├── _config.yml ├── .gitattributes ├── samples ├── visual.png ├── src │ ├── main │ │ ├── resources │ │ │ └── application.properties │ │ └── java │ │ │ └── com │ │ │ └── github │ │ │ └── ehe │ │ │ └── simpleorchestrator │ │ │ └── sample │ │ │ ├── context │ │ │ ├── ValidationContext.java │ │ │ ├── CreditScoreContext.java │ │ │ ├── AsyncCheckRiskContext.java │ │ │ ├── DebitCardContext.java │ │ │ ├── LoanContext.java │ │ │ └── CreditCardContext.java │ │ │ ├── SampleApplication.java │ │ │ ├── api │ │ │ ├── card │ │ │ │ ├── CardSelectorContext.java │ │ │ │ ├── CardOrchestratorContext.java │ │ │ │ └── CardService.java │ │ │ └── loan │ │ │ │ ├── LoanService.java │ │ │ │ └── LoanOrchestratorContext.java │ │ │ ├── selector │ │ │ └── CardSelector.java │ │ │ ├── task │ │ │ ├── CreditScoreTask.java │ │ │ ├── DebitCardTask.java │ │ │ ├── LoanTask.java │ │ │ ├── CreditCardTask.java │ │ │ ├── AsyncCheckRiskTask.java │ │ │ └── ValidationTask.java │ │ │ ├── exception │ │ │ └── ValidationException.java │ │ │ ├── JerseyConfig.java │ │ │ └── entity │ │ │ ├── Address.java │ │ │ ├── Person.java │ │ │ ├── CardApplication.java │ │ │ ├── LoanApplication.java │ │ │ └── ApplicationResult.java │ └── test │ │ └── java │ │ └── com │ │ └── github │ │ └── ehe │ │ └── simpleorchestrator │ │ └── SamplesApplicationTests.java ├── pom.xml ├── README.md └── samples.iml ├── meta ├── README.md ├── src │ └── main │ │ └── java │ │ └── com │ │ └── github │ │ └── ehe │ │ └── simpleorchestrator │ │ └── meta │ │ ├── NameProvider.java │ │ ├── TaskMeta.java │ │ ├── SelectorMeta.java │ │ ├── ChannelMeta.java │ │ ├── OrchestratorMeta.java │ │ ├── Meta.java │ │ └── MetaFactory.java └── pom.xml ├── core ├── src │ └── main │ │ ├── resources │ │ └── application.properties │ │ └── java │ │ └── com │ │ └── github │ │ └── ehe │ │ └── simpleorchestrator │ │ ├── context │ │ ├── ErrorContext.java │ │ ├── HistoryContext.java │ │ ├── EmptyContext.java │ │ └── Context.java │ │ ├── exception │ │ ├── OrchestratorExceptionHandler.java │ │ └── OrchestratorException.java │ │ ├── impl │ │ ├── DefaultExceptionHandler.java │ │ ├── Channel.java │ │ ├── OrchestratorImpl.java │ │ ├── Selector.java │ │ └── AbstractListTask.java │ │ ├── Task.java │ │ └── Orchestrator.java ├── core.iml └── pom.xml ├── visualization ├── src │ └── main │ │ ├── resources │ │ ├── application.properties │ │ └── static │ │ │ └── internal │ │ │ ├── orchestrators.html │ │ │ ├── orchestrators.js │ │ │ └── lib │ │ │ ├── mermaid.forest.css │ │ │ └── jquery.min.js │ │ └── java │ │ └── com │ │ └── github │ │ └── ehe │ │ └── simpleorchestrator │ │ ├── visual │ │ └── api │ │ │ └── meta │ │ │ └── MetaService.java │ │ └── meta │ │ └── MetaInfoFactory.java ├── README.md └── pom.xml ├── simpleorchestrator.iml ├── LICENSE.md ├── README.md └── pom.xml /_config.yml: -------------------------------------------------------------------------------- 1 | theme: jekyll-theme-slate -------------------------------------------------------------------------------- /.gitattributes: -------------------------------------------------------------------------------- 1 | visualization/src/main/resources/static/internal/lib/* linguist-vendored 2 | -------------------------------------------------------------------------------- /samples/visual.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eriche39/simple-orchestrator/HEAD/samples/visual.png -------------------------------------------------------------------------------- /meta/README.md: -------------------------------------------------------------------------------- 1 | # Meta 2 | 3 | Meta info for orchestrator's components 4 | 5 | Provide features to discover/visualize/inspect orchestrators components at runtime -------------------------------------------------------------------------------- /core/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | # 2 | # Copyright (c) 2017. Eric He (eriche39@gmail.com) 3 | # 4 | # This software is licensed under 5 | # 6 | # MIT license 7 | # 8 | # 9 | 10 | -------------------------------------------------------------------------------- /samples/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | # 2 | # /* 3 | # * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | # * 5 | # * This software is licensed under 6 | # * 7 | # * MIT license 8 | # * 9 | # */ 10 | # 11 | 12 | spring.jersey.type=filter -------------------------------------------------------------------------------- /visualization/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | # 2 | # /* 3 | # * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | # * 5 | # * This software is licensed under 6 | # * 7 | # * MIT license 8 | # * 9 | # */ 10 | # 11 | 12 | spring.jersey.type=filter -------------------------------------------------------------------------------- /meta/src/main/java/com/github/ehe/simpleorchestrator/meta/NameProvider.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.meta; 13 | 14 | /** 15 | * Provider for components name 16 | */ 17 | public interface NameProvider { 18 | String getName(Object obj); 19 | } 20 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/context/ErrorContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.context; 13 | 14 | /** 15 | * a context class that allow logging error 16 | */ 17 | public interface ErrorContext extends Context { 18 | void logError(E error); 19 | } 20 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/context/HistoryContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.context; 13 | 14 | /** 15 | * a context that allow logging history 16 | */ 17 | public interface HistoryContext extends Context { 18 | void logHistory(H history); 19 | } 20 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/context/ValidationContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.context; 13 | 14 | import com.github.ehe.simpleorchestrator.context.HistoryContext; 15 | 16 | public interface ValidationContext extends HistoryContext { 17 | A getApplication(); 18 | } 19 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/context/CreditScoreContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.context; 13 | 14 | import com.github.ehe.simpleorchestrator.context.HistoryContext; 15 | 16 | public interface CreditScoreContext extends HistoryContext { 17 | String getSsn(); 18 | void setCreditScore(int score); 19 | } 20 | -------------------------------------------------------------------------------- /visualization/README.md: -------------------------------------------------------------------------------- 1 | # Visualization 2 | 3 | Provides UI to visualize runtime orchestrator's structure 4 | 5 | ### Usage: 6 | #### 1. add dependency to pom: 7 | 8 | com.github.eriche39 9 | orchestrator-visualization 10 | 1.0 11 | 12 | 13 | #### 2. add to ResourceConfig: 14 | register(AdminService.class); 15 | property(ServletProperties.FILTER_FORWARD_ON_404, true); 16 | 17 | #### 3. browser to ../internal/orchestrators.html 18 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/exception/OrchestratorExceptionHandler.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.exception; 13 | 14 | /** 15 | * a OrchestratorExceptionHandler can be attached on a channel or orchestrator 16 | * the handler can stop the channel/orchestrator by rethrown an exception 17 | */ 18 | public interface OrchestratorExceptionHandler { 19 | void handle(OrchestratorException e); 20 | } 21 | -------------------------------------------------------------------------------- /meta/src/main/java/com/github/ehe/simpleorchestrator/meta/TaskMeta.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.meta; 13 | 14 | import java.util.List; 15 | 16 | /** 17 | * Meta data for Task 18 | */ 19 | public class TaskMeta extends Meta { 20 | 21 | public TaskMeta(String beanName, String className, String context, List parents) { 22 | super(Type.TASK, beanName, className, context, parents); 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/context/AsyncCheckRiskContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.context; 13 | 14 | import com.github.ehe.simpleorchestrator.context.HistoryContext; 15 | 16 | import java.util.concurrent.Future; 17 | 18 | public interface AsyncCheckRiskContext extends HistoryContext { 19 | String getSsn(); 20 | void setRiskScore(Future score); 21 | } 22 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/SampleApplication.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample; 13 | 14 | import org.springframework.boot.SpringApplication; 15 | import org.springframework.boot.autoconfigure.SpringBootApplication; 16 | 17 | @SpringBootApplication 18 | public class SampleApplication { 19 | 20 | public static void main(String[] args) { 21 | SpringApplication.run(SampleApplication.class, args); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/context/DebitCardContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.context; 13 | 14 | import com.github.ehe.simpleorchestrator.context.HistoryContext; 15 | import com.github.ehe.simpleorchestrator.sample.entity.CardApplication; 16 | 17 | public interface DebitCardContext extends HistoryContext { 18 | CardApplication getApplication(); 19 | void setCardApproveStatus(boolean isApproved); 20 | } 21 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/context/EmptyContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.context; 13 | 14 | /** 15 | * a context that has no input/output 16 | *

17 | * can be used for Task that don't need data for execution 18 | * and do not contribute data to other task or orchestrator 19 | * ie. a task that only delays for a fixed amount of time. 20 | *

21 | * create this for readability. 22 | */ 23 | public interface EmptyContext extends Context { 24 | } 25 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/context/LoanContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.context; 13 | 14 | import com.github.ehe.simpleorchestrator.context.HistoryContext; 15 | import com.github.ehe.simpleorchestrator.sample.entity.LoanApplication; 16 | 17 | public interface LoanContext extends HistoryContext { 18 | LoanApplication getApplication(); 19 | int getCreditScore(); 20 | int getRiskScore(); 21 | void setLoanApproveStatus(boolean isApproved); 22 | } 23 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/context/CreditCardContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.context; 13 | 14 | import com.github.ehe.simpleorchestrator.context.HistoryContext; 15 | import com.github.ehe.simpleorchestrator.sample.entity.CardApplication; 16 | 17 | public interface CreditCardContext extends HistoryContext { 18 | CardApplication getApplication(); 19 | int getCreditScore(); 20 | int getRiskScore(); 21 | void setCardApproveStatus(boolean isApproved); 22 | } 23 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/impl/DefaultExceptionHandler.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.impl; 13 | 14 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 15 | import com.github.ehe.simpleorchestrator.exception.OrchestratorExceptionHandler; 16 | 17 | /** 18 | * default exception handler which stop the channel or orchestrator that it attached to. 19 | */ 20 | public class DefaultExceptionHandler implements OrchestratorExceptionHandler { 21 | @Override 22 | public void handle(OrchestratorException e) { 23 | throw e; 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/api/card/CardSelectorContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.api.card; 13 | 14 | import com.github.ehe.simpleorchestrator.sample.context.AsyncCheckRiskContext; 15 | import com.github.ehe.simpleorchestrator.sample.context.CreditScoreContext; 16 | import com.github.ehe.simpleorchestrator.sample.context.CreditCardContext; 17 | import com.github.ehe.simpleorchestrator.sample.context.DebitCardContext; 18 | 19 | public interface CardSelectorContext extends CreditScoreContext, CreditCardContext, DebitCardContext, AsyncCheckRiskContext { 20 | } 21 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/context/Context.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.context; 13 | 14 | import com.github.ehe.simpleorchestrator.Orchestrator; 15 | import com.github.ehe.simpleorchestrator.Task; 16 | 17 | /** 18 | * The context interface defines data points that a Task or Orchestrator 19 | * can act upon. 20 | *

21 | * when used for a Task, it defines the task's input and output. 22 | * when used for an Orchestrator, it defines inputs and outputs of all tasks 23 | * that the orchestrator needed to perform orchestration. 24 | * 25 | * @see Task 26 | * @see Orchestrator 27 | */ 28 | public interface Context { 29 | 30 | } 31 | -------------------------------------------------------------------------------- /meta/src/main/java/com/github/ehe/simpleorchestrator/meta/SelectorMeta.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.meta; 13 | 14 | import java.util.List; 15 | import java.util.Map; 16 | 17 | /** 18 | * Meta data for Selector 19 | */ 20 | public class SelectorMeta extends Meta { 21 | private Map map; 22 | 23 | public SelectorMeta(String beanName, String className, String context, List parents) { 24 | super(Type.SELECTOR, beanName, className, context, parents); 25 | } 26 | 27 | public Map getMap() { 28 | return map; 29 | } 30 | 31 | public void setMap(Map map) { 32 | this.map = map; 33 | } 34 | 35 | } 36 | -------------------------------------------------------------------------------- /meta/src/main/java/com/github/ehe/simpleorchestrator/meta/ChannelMeta.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.meta; 13 | 14 | import java.util.ArrayList; 15 | import java.util.List; 16 | 17 | /** 18 | * Meta data for Channel 19 | */ 20 | public class ChannelMeta extends Meta { 21 | private List taskList = new ArrayList<>(); 22 | 23 | public ChannelMeta(String beanName, String className, String context, List parents) { 24 | super(Type.CHANNEL, beanName, className, context, parents); 25 | } 26 | 27 | public List getTaskList() { 28 | return taskList; 29 | } 30 | 31 | public void setTaskList(List taskList) { 32 | this.taskList = taskList; 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /meta/src/main/java/com/github/ehe/simpleorchestrator/meta/OrchestratorMeta.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.meta; 13 | 14 | import java.util.ArrayList; 15 | import java.util.List; 16 | 17 | /** 18 | * Meta data for Orchestrator 19 | */ 20 | public class OrchestratorMeta extends Meta { 21 | private List taskList = new ArrayList<>(); 22 | 23 | public OrchestratorMeta(String beanName, String className, String context, List parents) { 24 | super(Type.ORCHESTRATOR, beanName, className, context, parents); 25 | } 26 | 27 | public List getTaskList() { 28 | return taskList; 29 | } 30 | 31 | public void setTaskList(List taskList) { 32 | this.taskList = taskList; 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/Task.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator; 13 | 14 | import com.github.ehe.simpleorchestrator.context.Context; 15 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 16 | 17 | /** 18 | * This interface represents one of many Steps in a 19 | * Orchestrator execution. 20 | * 21 | * @param

the context type which pass through all tasks in a Orchestrator 22 | * @see Orchestrator 23 | * @see Context 24 | */ 25 | public interface Task

{ 26 | /** 27 | * @param context context interface that this Task is working on 28 | * @throws OrchestratorException if there is an issue 29 | */ 30 | void execute(P context) throws OrchestratorException; 31 | } 32 | -------------------------------------------------------------------------------- /simpleorchestrator.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | -------------------------------------------------------------------------------- /meta/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4.0.0 4 | 5 | orchestrator-meta 6 | 1.1-SNAPSHOT 7 | 8 | 9 | com.github.eriche39 10 | orchestrator 11 | 1.1-SNAPSHOT 12 | 13 | 14 | 15 | 16 | com.github.eriche39 17 | orchestrator-core 18 | 1.1-SNAPSHOT 19 | 20 | 21 | 22 | 23 | 1.8 24 | 1.8 25 | 26 | 27 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/selector/CardSelector.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.selector; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.impl.Selector; 16 | import com.github.ehe.simpleorchestrator.sample.api.card.CardSelectorContext; 17 | import com.github.ehe.simpleorchestrator.sample.entity.CardApplication; 18 | 19 | import java.util.EnumMap; 20 | 21 | public class CardSelector extends Selector { 22 | public CardSelector(EnumMap> cardTypeTaskMap) { 23 | super(cardTypeTaskMap); 24 | } 25 | 26 | @Override 27 | public CardApplication.CardType getChannel(CardSelectorContext context) { 28 | return context.getApplication().getCardType(); 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/task/CreditScoreTask.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.task; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 16 | import com.github.ehe.simpleorchestrator.sample.context.CreditScoreContext; 17 | import org.springframework.stereotype.Component; 18 | 19 | @Component 20 | public class CreditScoreTask implements Task { 21 | @Override 22 | public void execute(CreditScoreContext context) throws OrchestratorException { 23 | context.logHistory(this.getClass().getName()); 24 | String ssn = context.getSsn(); 25 | if(ssn != null && ssn.length()>0){ 26 | context.setCreditScore((ssn.charAt(0)-'0')*100); 27 | } else 28 | context.setCreditScore(0); 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /visualization/src/main/resources/static/internal/orchestrators.html: -------------------------------------------------------------------------------- 1 | 11 | 12 | 13 | 14 | 15 | 16 | Orchestrators 17 | 18 | 19 | 20 | 21 | 22 | 34 | 35 | 36 |

Live Orchestrators

37 |
38 |
39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/exception/ValidationException.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.exception; 13 | 14 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 15 | import com.github.ehe.simpleorchestrator.sample.task.ValidationTask; 16 | 17 | import java.util.List; 18 | 19 | public class ValidationException extends OrchestratorException{ 20 | 21 | private List errors; 22 | 23 | public ValidationException(List errors) { 24 | super("Validation exception", null); 25 | this.errors = errors; 26 | } 27 | 28 | public List getErrors() { 29 | return errors; 30 | } 31 | 32 | public void setErrors(List errors) { 33 | this.errors = errors; 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /visualization/src/main/java/com/github/ehe/simpleorchestrator/visual/api/meta/MetaService.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.visual.api.meta; 13 | 14 | import com.github.ehe.simpleorchestrator.meta.Meta; 15 | import com.github.ehe.simpleorchestrator.meta.MetaInfoFactory; 16 | import org.springframework.beans.factory.annotation.Autowired; 17 | import org.springframework.stereotype.Component; 18 | 19 | import javax.ws.rs.*; 20 | import javax.ws.rs.core.MediaType; 21 | import java.util.List; 22 | 23 | /** 24 | * Rest service for discovery meta data of runtime {@link com.github.ehe.simpleorchestrator.Orchestrator}s 25 | */ 26 | 27 | @Component 28 | @Path("/internal/meta") 29 | public class MetaService { 30 | 31 | @Autowired 32 | private MetaInfoFactory metaFactory; 33 | 34 | @GET 35 | @Produces(MediaType.APPLICATION_JSON) 36 | public List getOrchestrators() { 37 | return metaFactory.getOrchestratorMetas(); 38 | } 39 | } -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/task/DebitCardTask.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.task; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 16 | import com.github.ehe.simpleorchestrator.sample.context.DebitCardContext; 17 | import com.github.ehe.simpleorchestrator.sample.entity.CardApplication; 18 | import org.springframework.stereotype.Component; 19 | 20 | @Component 21 | public class DebitCardTask implements Task { 22 | @Override 23 | public void execute(DebitCardContext context) throws OrchestratorException { 24 | context.logHistory(this.getClass().getName()); 25 | CardApplication app = context.getApplication(); 26 | if(app.getOccupation().length()>0) 27 | context.setCardApproveStatus(true); 28 | else 29 | context.setCardApproveStatus(false); 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2011-2017 Eric He (eriche39@gmail.com). 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining 6 | a copy of this software and associated documentation files (the 7 | "Software"), to deal in the Software without restriction, including 8 | without limitation the rights to use, copy, modify, merge, publish, 9 | distribute, sublicense, and/or sell copies of the Software, and to 10 | permit persons to whom the Software is furnished to do so, subject to 11 | the following conditions: 12 | 13 | The above copyright notice and this permission notice shall be 14 | included in all copies or substantial portions of the Software. 15 | 16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 | LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 | WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/JerseyConfig.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample; 13 | 14 | import com.github.ehe.simpleorchestrator.sample.api.card.CardService; 15 | import com.github.ehe.simpleorchestrator.visual.api.meta.MetaService; 16 | import com.github.ehe.simpleorchestrator.sample.api.loan.LoanService; 17 | import org.glassfish.jersey.server.ResourceConfig; 18 | import org.glassfish.jersey.servlet.ServletProperties; 19 | import org.springframework.context.annotation.ComponentScan; 20 | import org.springframework.context.annotation.Configuration; 21 | 22 | @Configuration 23 | @ComponentScan(basePackages = "com.github.ehe.simpleorchestrator.*") 24 | public class JerseyConfig extends ResourceConfig { 25 | public JerseyConfig() { 26 | register(CardService.class); 27 | register(LoanService.class); 28 | register(MetaService.class); 29 | property(ServletProperties.FILTER_FORWARD_ON_404, true); 30 | } 31 | } -------------------------------------------------------------------------------- /core/core.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/entity/Address.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.entity; 13 | 14 | public class Address { 15 | private String street; 16 | private String state; 17 | private String zip; 18 | 19 | public Address(String street, String state, String zip) { 20 | this.street = street; 21 | this.state = state; 22 | this.zip = zip; 23 | } 24 | 25 | public Address() { 26 | } 27 | 28 | public String getStreet() { 29 | return street; 30 | } 31 | 32 | public void setStreet(String street) { 33 | this.street = street; 34 | } 35 | 36 | public String getState() { 37 | return state; 38 | } 39 | 40 | public void setState(String state) { 41 | this.state = state; 42 | } 43 | 44 | public String getZip() { 45 | return zip; 46 | } 47 | 48 | public void setZip(String zip) { 49 | this.zip = zip; 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/impl/Channel.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.impl; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.context.Context; 16 | import com.github.ehe.simpleorchestrator.exception.OrchestratorExceptionHandler; 17 | 18 | /** 19 | * a Channel class is a sequence list of tasks act as a single task 20 | *

21 | * it groups a list of tasks to form a broader reusable functional task 22 | *

23 | * another usage is to provide a way for selector to choose a list of tasks 24 | *

25 | * it should to be used directly without subclass 26 | */ 27 | 28 | public class Channel

extends AbstractListTask

implements Task

{ 29 | 30 | public Channel(Task... tasks) { 31 | super(tasks); 32 | } 33 | 34 | public Channel(OrchestratorExceptionHandler exceptionHandler, Task ts) { 35 | super(exceptionHandler, ts); 36 | } 37 | 38 | } 39 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/task/LoanTask.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.task; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 16 | import com.github.ehe.simpleorchestrator.sample.context.LoanContext; 17 | import com.github.ehe.simpleorchestrator.sample.entity.LoanApplication; 18 | import org.springframework.stereotype.Component; 19 | 20 | @Component 21 | public class LoanTask implements Task { 22 | @Override 23 | public void execute(LoanContext context) throws OrchestratorException { 24 | context.logHistory(this.getClass().getName()); 25 | LoanApplication app = context.getApplication(); 26 | int creditScore = context.getCreditScore(); 27 | if(creditScore>650 && app.getSalary()>0 && app.getLoanAmount()/app.getSalary()<5) 28 | context.setLoanApproveStatus(true); 29 | else 30 | context.setLoanApproveStatus(false); 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/exception/OrchestratorException.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.exception; 13 | 14 | /** 15 | * The OrchestratorException is used for exception while executing a task 16 | * when a exception case happened, it can wrap catched exception with or just create a 17 | * OrchestratorException 18 | */ 19 | public class OrchestratorException extends RuntimeException { 20 | 21 | private static final long serialVersionUID = 1L; 22 | 23 | private int errorCode = 0; 24 | 25 | public OrchestratorException(String msg, Throwable cause) { 26 | super(msg, cause); 27 | } 28 | 29 | public OrchestratorException(String msg, int errorCode) { 30 | super(msg); 31 | this.errorCode = errorCode; 32 | } 33 | 34 | public OrchestratorException(String msg, int errorCode, Throwable cause) { 35 | super(msg, cause); 36 | this.errorCode = errorCode; 37 | } 38 | 39 | public int getErrorCode() { 40 | return errorCode; 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/task/CreditCardTask.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.task; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 16 | import com.github.ehe.simpleorchestrator.sample.context.CreditCardContext; 17 | import com.github.ehe.simpleorchestrator.sample.entity.CardApplication; 18 | import org.springframework.stereotype.Component; 19 | 20 | @Component 21 | public class CreditCardTask implements Task { 22 | @Override 23 | public void execute(CreditCardContext context) throws OrchestratorException { 24 | context.logHistory(this.getClass().getName()); 25 | CardApplication app = context.getApplication(); 26 | int creditScore = context.getCreditScore(); 27 | if(creditScore>550 && app.getOccupation().length()>0 && context.getRiskScore()<50) 28 | context.setCardApproveStatus(true); 29 | else 30 | context.setCardApproveStatus(false); 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /core/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 12 | 4.0.0 13 | 14 | orchestrator-core 15 | 1.1-SNAPSHOT 16 | jar 17 | 18 | 19 | com.github.eriche39 20 | orchestrator 21 | 1.1-SNAPSHOT 22 | 23 | 24 | 25 | junit 26 | junit 27 | 4.11 28 | 29 | 30 | 31 | org.slf4j 32 | slf4j-api 33 | 1.7.24 34 | 35 | 36 | 37 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/entity/Person.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.entity; 13 | 14 | import javax.validation.constraints.NotNull; 15 | import javax.validation.constraints.Pattern; 16 | 17 | public class Person { 18 | @NotNull 19 | private String name; 20 | 21 | @NotNull 22 | @Pattern(regexp = "^\\d{9}$") 23 | private String ssn; 24 | 25 | private Address address; 26 | 27 | public Person(String name, String ssn, Address address) { 28 | this.name = name; 29 | this.ssn = ssn; 30 | this.address = address; 31 | } 32 | 33 | public Person() { 34 | } 35 | 36 | public String getName() { 37 | return name; 38 | } 39 | 40 | public void setName(String name) { 41 | this.name = name; 42 | } 43 | 44 | public String getSsn() { 45 | return ssn; 46 | } 47 | 48 | public void setSsn(String ssn) { 49 | this.ssn = ssn; 50 | } 51 | 52 | public Address getAddress() { 53 | return address; 54 | } 55 | 56 | public void setAddress(Address address) { 57 | this.address = address; 58 | } 59 | 60 | } 61 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/impl/OrchestratorImpl.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.impl; 13 | 14 | import com.github.ehe.simpleorchestrator.Orchestrator; 15 | import com.github.ehe.simpleorchestrator.Task; 16 | import com.github.ehe.simpleorchestrator.context.Context; 17 | import com.github.ehe.simpleorchestrator.exception.OrchestratorExceptionHandler; 18 | 19 | /** 20 | * This OrchestratorImpl class is the default Orchestrator 21 | * implementation. 22 | *

23 | * for details, see {@link Orchestrator} 24 | * 25 | * @param

the context that compatible with all it's tasks. 26 | * @see Orchestrator 27 | */ 28 | public class OrchestratorImpl

extends AbstractListTask

implements Orchestrator

{ 29 | /** 30 | * @param ts the list of tasks to be executed sequentially 31 | */ 32 | public OrchestratorImpl(Task... ts) { 33 | super(ts); 34 | } 35 | 36 | /** 37 | * @param ts the list of tasks to be executed sequentially 38 | * @param exceptionHandler the orchestrator exception handler, can rethrow exception or just log error 39 | */ 40 | public OrchestratorImpl(OrchestratorExceptionHandler exceptionHandler, Task... ts) { 41 | super(exceptionHandler, ts); 42 | } 43 | 44 | } 45 | -------------------------------------------------------------------------------- /meta/src/main/java/com/github/ehe/simpleorchestrator/meta/Meta.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.meta; 13 | 14 | import java.util.ArrayList; 15 | import java.util.List; 16 | 17 | /** 18 | * Meta data for Orchestrator's components 19 | */ 20 | public class Meta { 21 | private Type type; 22 | private String beanName; 23 | private String className; 24 | private String context; 25 | private List parents = new ArrayList<>(); 26 | 27 | public Meta(Type type, String beanName, String className, String context, List parents) { 28 | this.type = type; 29 | this.beanName = beanName; 30 | this.className = className; 31 | this.context = context; 32 | this.parents = parents; 33 | } 34 | 35 | public Meta(Type type) { 36 | this.type = type; 37 | } 38 | 39 | public Type getType() { 40 | return type; 41 | } 42 | 43 | public String getBeanName() { 44 | return beanName; 45 | } 46 | 47 | public String getClassName() { 48 | return className; 49 | } 50 | 51 | public String getContext() { 52 | return context; 53 | } 54 | 55 | public List getParents() { 56 | return parents; 57 | } 58 | 59 | public enum Type { 60 | TASK, SELECTOR, CHANNEL, ORCHESTRATOR 61 | } 62 | } 63 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/entity/CardApplication.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.entity; 13 | 14 | import javax.validation.constraints.NotNull; 15 | 16 | public class CardApplication { 17 | private Person person; 18 | private String occupation; 19 | private boolean employed; 20 | @NotNull 21 | private CardType cardType; 22 | 23 | public CardApplication(Person person, String occupation, boolean employed, CardType cardType) { 24 | this.person = person; 25 | this.occupation = occupation; 26 | this.employed = employed; 27 | this.cardType = cardType; 28 | } 29 | 30 | public CardApplication() { 31 | } 32 | 33 | public Person getPerson() { 34 | return person; 35 | } 36 | 37 | public void setPerson(Person person) { 38 | this.person = person; 39 | } 40 | 41 | public String getOccupation() { 42 | return occupation; 43 | } 44 | 45 | public void setOccupation(String occupation) { 46 | this.occupation = occupation; 47 | } 48 | 49 | public boolean isEmployed() { 50 | return employed; 51 | } 52 | 53 | public void setEmployed(boolean employed) { 54 | this.employed = employed; 55 | } 56 | 57 | public CardType getCardType() { 58 | return cardType; 59 | } 60 | 61 | public void setCardType(CardType cardType) { 62 | this.cardType = cardType; 63 | } 64 | 65 | public enum CardType{ 66 | Credit, Debit 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/impl/Selector.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.impl; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.context.Context; 16 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 17 | import org.slf4j.Logger; 18 | import org.slf4j.LoggerFactory; 19 | 20 | import java.util.EnumMap; 21 | 22 | /** 23 | * This Selector class is used to execute only one selected task(or channel) 24 | *

25 | * it provides parallel flow of a process 26 | *

27 | * concrete class usually implement getChannel base on data in context 28 | *

29 | * 30 | * @param

context that compatible with all tasks that it may select 31 | */ 32 | 33 | public abstract class Selector, P extends Context> implements Task

{ 34 | protected static final Logger logger = LoggerFactory.getLogger(Selector.class); 35 | private EnumMap> taskMap; 36 | 37 | public Selector(EnumMap> taskMap) { 38 | super(); 39 | this.taskMap = taskMap; 40 | } 41 | 42 | @Override 43 | public void execute(P context) throws OrchestratorException { 44 | K channelKey = this.getChannel(context); 45 | Task

channel = taskMap.get(channelKey); 46 | if (null != channel) 47 | channel.execute(context); 48 | else 49 | logger.warn("Selector: the selected " + channelKey + " is not configured."); 50 | } 51 | 52 | public abstract K getChannel(P context); 53 | } 54 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/task/AsyncCheckRiskTask.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.task; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 16 | import com.github.ehe.simpleorchestrator.sample.context.AsyncCheckRiskContext; 17 | import jersey.repackaged.com.google.common.collect.Lists; 18 | import org.springframework.scheduling.annotation.Async; 19 | import org.springframework.scheduling.annotation.AsyncResult; 20 | import org.springframework.stereotype.Component; 21 | 22 | import java.util.List; 23 | import java.util.concurrent.Future; 24 | 25 | @Component 26 | public class AsyncCheckRiskTask implements Task { 27 | private static List blackList = Lists.newArrayList("111222333", "999999999"); 28 | @Override 29 | public void execute(AsyncCheckRiskContext context) throws OrchestratorException { 30 | context.logHistory(this.getClass().getName()); 31 | String ssn = context.getSsn(); 32 | context.setRiskScore(check(context,ssn)); 33 | } 34 | 35 | @Async 36 | private Future check(AsyncCheckRiskContext context, String ssn){ 37 | try { 38 | Thread.sleep(500); 39 | } catch (InterruptedException e) { 40 | e.printStackTrace(); 41 | } 42 | if(blackList.contains(ssn)){ 43 | context.logHistory("riskCheck: blacklisted"); 44 | return new AsyncResult<>(100); 45 | } 46 | return new AsyncResult<>(0); 47 | 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /visualization/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 12 | 13 | 14 | 4.0.0 15 | 16 | orchestrator-visualization 17 | 1.1-SNAPSHOT 18 | 19 | 20 | 1.8 21 | 22 | 23 | 24 | com.github.eriche39 25 | orchestrator 26 | 1.1-SNAPSHOT 27 | 28 | 29 | 30 | 31 | org.springframework.boot 32 | spring-boot-starter-jersey 33 | 34 | 35 | 36 | 37 | org.springframework.boot 38 | spring-boot-starter-web 39 | 40 | 41 | 42 | com.github.eriche39 43 | orchestrator-core 44 | 1.1-SNAPSHOT 45 | 46 | 47 | com.github.eriche39 48 | orchestrator-meta 49 | 1.1-SNAPSHOT 50 | 51 | 52 | 53 | 54 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/entity/LoanApplication.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.entity; 13 | 14 | import javax.validation.Valid; 15 | import javax.validation.constraints.NotNull; 16 | 17 | public class LoanApplication { 18 | 19 | @NotNull 20 | @Valid 21 | private Person person; 22 | 23 | @Valid 24 | private Address address; 25 | 26 | private String occupation; 27 | 28 | private int salary; 29 | 30 | private int loanAmount; 31 | 32 | public LoanApplication(Person person, Address address, String occupation, int salary, int loadAmount) { 33 | this.person = person; 34 | this.address = address; 35 | this.occupation = occupation; 36 | this.salary = salary; 37 | this.loanAmount = loadAmount; 38 | } 39 | 40 | public LoanApplication() { 41 | } 42 | 43 | public Person getPerson() { 44 | return person; 45 | } 46 | 47 | public void setPerson(Person person) { 48 | this.person = person; 49 | } 50 | 51 | public Address getAddress() { 52 | return address; 53 | } 54 | 55 | public void setAddress(Address address) { 56 | this.address = address; 57 | } 58 | 59 | public String getOccupation() { 60 | return occupation; 61 | } 62 | 63 | public void setOccupation(String occupation) { 64 | this.occupation = occupation; 65 | } 66 | 67 | public int getSalary() { 68 | return salary; 69 | } 70 | 71 | public void setSalary(int salary) { 72 | this.salary = salary; 73 | } 74 | 75 | public int getLoanAmount() { 76 | return loanAmount; 77 | } 78 | 79 | public void setLoanAmount(int loanAmount) { 80 | this.loanAmount = loanAmount; 81 | } 82 | 83 | } 84 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Simple Orchestrator 2 | 3 | Simple Orchestrator is a java library that can simplify your application development. 4 | 5 | ## Features that just done that: 6 | 7 | ### 1. Promote modularization and isolation: 8 | Create your functional blocks and services as Tasks. 9 | Task can only sees it's context, such isolated from everything else. 10 | 11 | ### 2. Productivity: 12 | Task creation is extreamly simple, just implement an execute method. 13 | No data packaging/unpackage required. 14 | No need to create your own processes, just use the default OrchestratorImpl. 15 | 16 | ### 3. Code reusability: 17 | Task can be added into any orchestrator as long as the orchestrator's context is compatible. 18 | Create an orchestrator context is simple and like an entity class. 19 | 20 | ### 4. Capable of selectively execute/skip tasks. a selector is simple to implement. 21 | 22 | ### 5. Support uniform ways to handle errors and events. 23 | 24 | ### 6. Support asynchronous tasks. 25 | the orchestrator execute needs to wait for an async task to finish only when another task 26 | requres it's output, such provides high efficiency, and data availability are guaranteed. 27 | 28 | ### 7. Flexible: 29 | Easy swap in a replacement task, even dynamically select a version by using selector. 30 | Add gadget task for monitoring, logging, delaying etc. 31 | 32 | ### 8. Type safe: 33 | Task, Context, Selector, Channel and Orchestrator are all static typed. 34 | any mismatch will cause compile time error. 35 | 36 | ### 9. Visualization: 37 | Build-in support for meta data and visualization 38 | refer to "visualization" sub project. 39 | 40 | sample orchestrator visulization result: 41 | 42 | 43 | ## The sample project shows most of the features. 44 | 45 | ## License 46 | 47 | See the [LICENSE](LICENSE.md) file for license rights and limitations (MIT). -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/entity/ApplicationResult.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.entity; 13 | 14 | import com.fasterxml.jackson.annotation.JsonInclude; 15 | import com.fasterxml.jackson.annotation.JsonPropertyOrder; 16 | import com.github.ehe.simpleorchestrator.sample.task.ValidationTask; 17 | 18 | import java.util.List; 19 | 20 | @JsonPropertyOrder({"name", "approved", "history", "errors"}) 21 | @JsonInclude(JsonInclude.Include.NON_NULL) 22 | public class ApplicationResult { 23 | private String name; 24 | private boolean isApproved; 25 | private List history; 26 | 27 | private List errors; 28 | 29 | public ApplicationResult(String name, boolean isApproved, List history) { 30 | this.name = name; 31 | this.isApproved = isApproved; 32 | this.history = history; 33 | } 34 | 35 | public ApplicationResult(List errors) { 36 | this.errors = errors; 37 | } 38 | 39 | public ApplicationResult() { 40 | } 41 | 42 | public String getName() { 43 | return name; 44 | } 45 | 46 | public void setName(String name) { 47 | this.name = name; 48 | } 49 | 50 | public boolean isApproved() { 51 | return isApproved; 52 | } 53 | 54 | public void setApproved(boolean approved) { 55 | isApproved = approved; 56 | } 57 | 58 | public List getHistory() { 59 | return history; 60 | } 61 | 62 | public void setHistory(List history) { 63 | this.history = history; 64 | } 65 | 66 | public List getErrors() { 67 | return errors; 68 | } 69 | 70 | public void setErrors(List errors) { 71 | this.errors = errors; 72 | } 73 | 74 | } 75 | -------------------------------------------------------------------------------- /visualization/src/main/java/com/github/ehe/simpleorchestrator/meta/MetaInfoFactory.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.meta; 13 | 14 | import com.github.ehe.simpleorchestrator.impl.OrchestratorImpl; 15 | import org.springframework.context.ApplicationContext; 16 | import org.springframework.context.ApplicationListener; 17 | import org.springframework.context.event.ContextRefreshedEvent; 18 | import org.springframework.stereotype.Component; 19 | 20 | import javax.inject.Inject; 21 | import java.util.Arrays; 22 | import java.util.HashMap; 23 | import java.util.List; 24 | import java.util.Map; 25 | import java.util.stream.Collectors; 26 | 27 | /** 28 | * Provide capabilities to create meta data for orchestration components at run time. 29 | * for orchestrator design visualization and inspection purpose. 30 | */ 31 | @Component 32 | public class MetaInfoFactory implements NameProvider, ApplicationListener { 33 | @Inject 34 | private ApplicationContext ctx; 35 | 36 | //Object to bean name map 37 | private Map beanMap = new HashMap(); 38 | 39 | private MetaFactory factory = new MetaFactory(this); 40 | private List orchestratorMetas; 41 | 42 | private void init() { 43 | String[] beanNames = ctx.getBeanDefinitionNames(); 44 | Arrays.sort(beanNames); 45 | for (String beanName : beanNames) { 46 | beanMap.put(ctx.getBean(beanName), beanName); 47 | } 48 | orchestratorMetas = createOrchestratorMetas(); 49 | } 50 | 51 | public List getOrchestratorMetas() { 52 | return orchestratorMetas; 53 | } 54 | 55 | private List createOrchestratorMetas() { 56 | String[] orchestratorNames = ctx.getBeanNamesForType(OrchestratorImpl.class); 57 | return Arrays.stream(orchestratorNames) 58 | .map(ctx::getBean) 59 | .map(factory::createMeta) 60 | .collect(Collectors.toList()); 61 | } 62 | 63 | @Override 64 | public String getName(Object obj) { 65 | return beanMap.get(obj); 66 | } 67 | 68 | @Override 69 | public void onApplicationEvent(ContextRefreshedEvent contextRefreshedEvent) { 70 | init(); 71 | } 72 | } 73 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/task/ValidationTask.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.task; 13 | 14 | import com.github.ehe.simpleorchestrator.Task; 15 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 16 | import com.github.ehe.simpleorchestrator.sample.context.ValidationContext; 17 | import com.github.ehe.simpleorchestrator.sample.exception.ValidationException; 18 | import org.springframework.stereotype.Component; 19 | 20 | import javax.validation.ConstraintViolation; 21 | import javax.validation.Validation; 22 | import javax.validation.Validator; 23 | import javax.validation.groups.Default; 24 | import java.util.List; 25 | import java.util.Set; 26 | import java.util.stream.Collectors; 27 | 28 | @Component 29 | public class ValidationTask implements Task> { 30 | 31 | private static Validator validator = Validation.buildDefaultValidatorFactory().getValidator(); 32 | @Override 33 | public void execute(ValidationContext context) throws OrchestratorException { 34 | A application = context.getApplication(); 35 | 36 | Set> constraintViolations 37 | =validator.validate(application, Default.class); 38 | 39 | if(constraintViolations.size()>0){ 40 | List errors = 41 | constraintViolations.stream().map(v -> new ValidationError(v.getMessage(), v.getPropertyPath().toString())) 42 | .collect(Collectors.toList()); 43 | throw new ValidationException(errors); 44 | } 45 | } 46 | 47 | public static class ValidationError{ 48 | private String message; 49 | private String path; 50 | 51 | public ValidationError(String message, String path) { 52 | this.message = message; 53 | this.path = path; 54 | } 55 | 56 | public ValidationError() { 57 | } 58 | 59 | public String getMessage() { 60 | return message; 61 | } 62 | 63 | public void setMessage(String message) { 64 | this.message = message; 65 | } 66 | 67 | public String getPath() { 68 | return path; 69 | } 70 | 71 | public void setPath(String path) { 72 | this.path = path; 73 | } 74 | } 75 | } 76 | -------------------------------------------------------------------------------- /samples/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 4.0.0 5 | 6 | orchestrator-samples 7 | 1.1-SNAPSHOT 8 | jar 9 | Sample Project for Simple Orchestrator 10 | 11 | 12 | com.github.eriche39 13 | orchestrator 14 | 1.1-SNAPSHOT 15 | 16 | 17 | 18 | 1.8 19 | 20 | 21 | 22 | 23 | 24 | org.springframework.boot 25 | spring-boot-starter-jersey 26 | 27 | 28 | org.springframework.boot 29 | spring-boot-starter-tomcat 30 | 31 | 32 | 33 | 34 | org.springframework.boot 35 | spring-boot-starter-test 36 | test 37 | 38 | 39 | 40 | com.github.eriche39 41 | orchestrator-core 42 | 1.1-SNAPSHOT 43 | 44 | 45 | com.github.eriche39 46 | orchestrator-visualization 47 | 1.1-SNAPSHOT 48 | 49 | 50 | 51 | 52 | 53 | 54 | org.springframework.boot 55 | spring-boot-maven-plugin 56 | 57 | 58 | 59 | 60 | 61 | 62 | spring-releases 63 | https://repo.spring.io/libs-release 64 | 65 | 66 | 67 | 68 | spring-releases 69 | https://repo.spring.io/libs-release 70 | 71 | 72 | 73 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/impl/AbstractListTask.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.impl; 13 | 14 | import com.github.ehe.simpleorchestrator.Orchestrator; 15 | import com.github.ehe.simpleorchestrator.Task; 16 | import com.github.ehe.simpleorchestrator.context.Context; 17 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 18 | import com.github.ehe.simpleorchestrator.exception.OrchestratorExceptionHandler; 19 | import org.slf4j.Logger; 20 | import org.slf4j.LoggerFactory; 21 | 22 | import java.util.ArrayList; 23 | import java.util.Collections; 24 | import java.util.List; 25 | 26 | /** 27 | * This AbstractListTask class is the base for orchestratorImpl and Channel 28 | *

29 | * for details, see {@link Orchestrator} 30 | * 31 | * @param

the context that compatible with all it's tasks. 32 | * @see Orchestrator 33 | */ 34 | public abstract class AbstractListTask

{ 35 | protected static final Logger logger = LoggerFactory.getLogger(AbstractListTask.class); 36 | 37 | private List> tasks; 38 | private OrchestratorExceptionHandler exceptionHandler = new DefaultExceptionHandler(); 39 | 40 | /** 41 | * @param ts the list of tasks to be executed sequentially 42 | */ 43 | public AbstractListTask(Task... ts) { 44 | List> list = new ArrayList(); 45 | Collections.addAll(list, ts); 46 | tasks = list; 47 | } 48 | 49 | /** 50 | * @param ts the list of tasks to be executed sequentially 51 | * @param exceptionHandler the orchestrator exception handler, can rethrow exception or just log error 52 | */ 53 | public AbstractListTask(OrchestratorExceptionHandler exceptionHandler, Task... ts) { 54 | this(ts); 55 | this.exceptionHandler = exceptionHandler; 56 | } 57 | 58 | public void execute(final P context) throws OrchestratorException { 59 | if (logger.isDebugEnabled()) { 60 | logger.debug("orchestrator " + this.getClass().getName() + " started"); 61 | } 62 | 63 | for (Task task : tasks) { 64 | try { 65 | task.execute(context); 66 | } catch (OrchestratorException e) { 67 | logger.error(e.getMessage()); 68 | exceptionHandler.handle(e); 69 | } 70 | } 71 | } 72 | 73 | } 74 | -------------------------------------------------------------------------------- /samples/README.md: -------------------------------------------------------------------------------- 1 | # Samples 2 | Two sample RESTful services are provided. 3 | 1. Card application service simulates credit/debit card application service. 4 | 2. Loan application service. 5 | 6 | ## Start the application: 7 | run SampleApplication 8 | 9 | Note: for simplicity, validation are not complete. 10 | 11 | ## Services: 12 | 13 | #### 1. Calling card application service with credit card application: 14 | 15 | curl -X POST -H "Content-Type: application/json" -H "Cache-Control: no-cache" -H "Postman-Token: 1afc1cad-5ea3-c618-2ef1-3ee4f38c7b0c" -d '{ 16 | "person" : { 17 | "name" : "lawrence", 18 | "ssn": "424222444", 19 | "address":{ 20 | "zip" : "92131" 21 | } 22 | }, 23 | "occupation" : "engineer", 24 | "employed": true, 25 | "cardType": "Credit" 26 | }' "http://localhost:8080/application/card" 27 | 28 | #### 2. Calling card application service with debit card application: 29 | 30 | curl -X POST -H "Content-Type: application/json" -H "Cache-Control: no-cache" -H "Postman-Token: cd7f6813-38b6-12e2-6daf-9f358fc475b2" -d '{ 31 | "person" : { 32 | "name" : "lawrence", 33 | "ssn": "424222444", 34 | "address":{ 35 | "zip" : "92131" 36 | } 37 | }, 38 | "occupation" : "engineer", 39 | "employed": true, 40 | "cardType": "Debit" 41 | }' "http://localhost:8080/application/card" 42 | 43 | #### 3. Calling card application service with black listed ssn: 44 | 45 | curl -X POST -H "Content-Type: application/json" -H "Cache-Control: no-cache" -H "Postman-Token: 5be4db59-d07f-feb4-2463-9564506675c2" -d '{ 46 | "person" : { 47 | "name" : "lawrence", 48 | "ssn": "999999999", 49 | "address":{ 50 | "zip" : "92131" 51 | } 52 | }, 53 | "occupation" : "engineer", 54 | "employed": true, 55 | "cardType": "Credit" 56 | }' "http://localhost:8080/application/card" 57 | 58 | #### 4. Calling loan application service: 59 | 60 | curl -X POST -H "Content-Type: application/json" -H "Cache-Control: no-cache" -H "Postman-Token: 985c3487-5cb1-820f-f599-ade20204d154" -d '{ 61 | "person" : { 62 | "name" : "lawrence", 63 | "SSN": "424222444", 64 | "address":{ 65 | "zip" : "92131" 66 | } 67 | }, 68 | "occupation" : "engineer", 69 | "salary": 90000, 70 | "loanAmount": 200000 71 | }' "http://localhost:8080/application/loan" 72 | 73 | #### 5. Browse to: http://localhost:8080/internal/meta 74 | all runtime orchestrators' components will show in a json format 75 | 76 | ## Visualization 77 | #### Browse to: http://localhost:8080/internal/orchestrators.html 78 | UI powered with Mermaid.js will retrieve run time orchestrators meta data and render their structure in a flow chart style. 79 | 80 | 81 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/api/loan/LoanService.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.api.loan; 13 | 14 | import com.github.ehe.simpleorchestrator.Orchestrator; 15 | import com.github.ehe.simpleorchestrator.impl.OrchestratorImpl; 16 | import com.github.ehe.simpleorchestrator.sample.entity.ApplicationResult; 17 | import com.github.ehe.simpleorchestrator.sample.entity.LoanApplication; 18 | import com.github.ehe.simpleorchestrator.sample.exception.ValidationException; 19 | import com.github.ehe.simpleorchestrator.sample.task.AsyncCheckRiskTask; 20 | import com.github.ehe.simpleorchestrator.sample.task.CreditScoreTask; 21 | import com.github.ehe.simpleorchestrator.sample.task.LoanTask; 22 | import com.github.ehe.simpleorchestrator.sample.task.ValidationTask; 23 | import org.springframework.beans.factory.annotation.Autowired; 24 | import org.springframework.context.annotation.Bean; 25 | import org.springframework.stereotype.Component; 26 | 27 | import javax.ws.rs.Consumes; 28 | import javax.ws.rs.POST; 29 | import javax.ws.rs.Path; 30 | import javax.ws.rs.Produces; 31 | import javax.ws.rs.core.MediaType; 32 | 33 | /** 34 | * Card (Credit/Debit) application service 35 | * 36 | * Orchestration: 37 | * 38 | * application --> CreditScoreTask --> AsyncCheckRiskTask --> LoanTask --> O ApplicationResult 39 | * 40 | */ 41 | 42 | @Component 43 | @Path("/application/loan") 44 | public class LoanService { 45 | 46 | @Autowired 47 | private ValidationTask validationTask; 48 | 49 | @Autowired 50 | private CreditScoreTask creditScoreTask; 51 | 52 | @Autowired 53 | private AsyncCheckRiskTask asyncCheckRiskTask; 54 | 55 | @Autowired 56 | private LoanTask loanTask; 57 | 58 | @Autowired 59 | private Orchestrator orchestrator; 60 | 61 | @Bean 62 | private Orchestrator loanOrchestrator(){ 63 | return new OrchestratorImpl<>( 64 | validationTask,creditScoreTask, asyncCheckRiskTask, loanTask); 65 | } 66 | 67 | @POST 68 | @Produces(MediaType.APPLICATION_JSON) 69 | @Consumes(MediaType.APPLICATION_JSON) 70 | public ApplicationResult applyloan(LoanApplication app) { 71 | LoanOrchestratorContext context = new LoanOrchestratorContext() ; 72 | context.init(app); 73 | try { 74 | orchestrator.execute(context); 75 | } catch (ValidationException e){ 76 | return new ApplicationResult(e.getErrors()); 77 | } 78 | return new ApplicationResult(context.getApplication().getPerson().getName(), context.isApproved(), context.getHistory()); 79 | } 80 | 81 | } -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/api/loan/LoanOrchestratorContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.api.loan; 13 | 14 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 15 | import com.github.ehe.simpleorchestrator.sample.context.AsyncCheckRiskContext; 16 | import com.github.ehe.simpleorchestrator.sample.context.CreditScoreContext; 17 | import com.github.ehe.simpleorchestrator.sample.context.LoanContext; 18 | import com.github.ehe.simpleorchestrator.sample.context.ValidationContext; 19 | import com.github.ehe.simpleorchestrator.sample.entity.LoanApplication; 20 | 21 | import java.util.List; 22 | import java.util.concurrent.ConcurrentLinkedQueue; 23 | import java.util.concurrent.ExecutionException; 24 | import java.util.concurrent.Future; 25 | import java.util.stream.Collectors; 26 | 27 | public class LoanOrchestratorContext implements CreditScoreContext, AsyncCheckRiskContext, LoanContext, ValidationContext { 28 | private LoanApplication application; 29 | private int creditScore; 30 | private boolean isApproved; 31 | private ConcurrentLinkedQueue history = new ConcurrentLinkedQueue<>(); 32 | private Future riskScore; 33 | 34 | public void init(LoanApplication application){ 35 | this.application = application; 36 | } 37 | 38 | @Override 39 | public String getSsn() { 40 | return application.getPerson().getSsn(); 41 | } 42 | 43 | @Override 44 | public void setRiskScore(Future score) { 45 | this.riskScore = score; 46 | } 47 | 48 | @Override 49 | public void setCreditScore(int score) { 50 | this.creditScore = score; 51 | } 52 | 53 | @Override 54 | public LoanApplication getApplication() { 55 | return this.application; 56 | } 57 | 58 | @Override 59 | public int getCreditScore() { 60 | return this.creditScore; 61 | } 62 | 63 | @Override 64 | public int getRiskScore() { 65 | try { 66 | return this.riskScore.get(); 67 | } catch (InterruptedException | ExecutionException e) { 68 | e.printStackTrace(); 69 | throw new OrchestratorException("asyncRiskTask Failed", e); 70 | } 71 | } 72 | 73 | @Override 74 | public void setLoanApproveStatus(boolean isApproved) { 75 | this.isApproved = isApproved; 76 | } 77 | 78 | public boolean isApproved() { 79 | return isApproved; 80 | } 81 | 82 | public List getHistory() { 83 | return history.stream().collect(Collectors.toList()); 84 | } 85 | 86 | @Override 87 | public void logHistory(String history) { 88 | this.history.add(history); 89 | } 90 | } 91 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/api/card/CardOrchestratorContext.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.api.card; 13 | 14 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 15 | import com.github.ehe.simpleorchestrator.sample.context.CreditCardContext; 16 | import com.github.ehe.simpleorchestrator.sample.context.CreditScoreContext; 17 | import com.github.ehe.simpleorchestrator.sample.context.DebitCardContext; 18 | import com.github.ehe.simpleorchestrator.sample.context.ValidationContext; 19 | import com.github.ehe.simpleorchestrator.sample.entity.CardApplication; 20 | 21 | import java.util.List; 22 | import java.util.concurrent.ConcurrentLinkedQueue; 23 | import java.util.concurrent.ExecutionException; 24 | import java.util.concurrent.Future; 25 | import java.util.stream.Collectors; 26 | 27 | public class CardOrchestratorContext implements CreditScoreContext, CreditCardContext, DebitCardContext, CardSelectorContext, ValidationContext { 28 | private CardApplication cardApplication; 29 | private int creditScore; 30 | private boolean isApproved; 31 | private ConcurrentLinkedQueue history = new ConcurrentLinkedQueue<>(); 32 | private Future riskScore; 33 | 34 | public void init(CardApplication cardApplication){ 35 | this.cardApplication = cardApplication; 36 | } 37 | 38 | @Override 39 | public String getSsn() { 40 | return cardApplication.getPerson().getSsn(); 41 | } 42 | 43 | @Override 44 | public void setRiskScore(Future score) { 45 | this.riskScore = score; 46 | } 47 | 48 | @Override 49 | public void setCreditScore(int score) { 50 | this.creditScore = score; 51 | } 52 | 53 | @Override 54 | public CardApplication getApplication() { 55 | return this.cardApplication; 56 | } 57 | 58 | @Override 59 | public int getCreditScore() { 60 | return this.creditScore; 61 | } 62 | 63 | @Override 64 | public int getRiskScore() { 65 | try { 66 | return this.riskScore.get(); 67 | } catch (InterruptedException | ExecutionException e) { 68 | e.printStackTrace(); 69 | throw new OrchestratorException("asyncRiskTask Failed", e); 70 | } 71 | } 72 | 73 | @Override 74 | public void setCardApproveStatus(boolean isApproved) { 75 | this.isApproved = isApproved; 76 | } 77 | 78 | public boolean isApproved() { 79 | return isApproved; 80 | } 81 | 82 | public List getHistory() { 83 | return history.stream().collect(Collectors.toList()); 84 | } 85 | 86 | @Override 87 | public void logHistory(String history) { 88 | this.history.add(history); 89 | } 90 | } 91 | -------------------------------------------------------------------------------- /core/src/main/java/com/github/ehe/simpleorchestrator/Orchestrator.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator; 13 | 14 | 15 | import com.github.ehe.simpleorchestrator.context.Context; 16 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 17 | import com.github.ehe.simpleorchestrator.impl.OrchestratorImpl; 18 | 19 | /** 20 | * Concept: 21 | *

32 | *

33 | * Usage: 34 | * 

35 |  * step1:
36 |  * Design tasks for your application that are reusable function blocks:
37 |  *      1.1 Create a task context interface for each task with the inputs/outputs of the task.
38 |  *      1.2 Create Task classes and implement execute(theContext) method.
39 |  *
40 |  * step2: (optional)
41 |  * Design your channel that contains group of tasks.
42 |  *
43 |  * Step3: (optional)
44 |  * Design your selector when you have cases that base on condition, some task need to be skipped.
45 |  *
46 |  * step4:
47 |  * For each process, decide what Tasks it needed to run in sequence.
48 |  *      4.1 Create orchestrator context that implements all it's task's contexts.
49 |  *          (this is only place that you actually implement a context)
50 |  *          a context implementation is mostly like implement an entity class, with getters and setters.
51 |  *          a context usually have a initialization method that put initial data that some earlier tasks
52 |  *              needed, later task will naturally use earlier task's output as input.
53 |  *          a context usually have methods for orchestration client to get the result of orchestration.
54 |  *      4.2 Create orchestrator instance by using OrchestratorImpl class and add task instances.
55 |  *
56 | * 57 | * @param

: orchestrator context type 58 | * @see Context 59 | * @see Task 60 | * @see OrchestratorImpl 61 | */ 62 | public interface Orchestrator

{ 63 | 64 | /** 65 | * Execute the Tasks, by the order of their position in 66 | * task list, 67 | * (Note: the tasks are executed in the same thread as the caller) 68 | * 69 | * @param context the context object 70 | * @throws OrchestratorException if there is an issue 71 | */ 72 | void execute(P context) throws OrchestratorException; 73 | 74 | } 75 | -------------------------------------------------------------------------------- /samples/src/main/java/com/github/ehe/simpleorchestrator/sample/api/card/CardService.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.sample.api.card; 13 | 14 | import com.github.ehe.simpleorchestrator.Orchestrator; 15 | import com.github.ehe.simpleorchestrator.impl.Channel; 16 | import com.github.ehe.simpleorchestrator.impl.OrchestratorImpl; 17 | import com.github.ehe.simpleorchestrator.impl.Selector; 18 | import com.github.ehe.simpleorchestrator.sample.context.AsyncCheckRiskContext; 19 | import com.github.ehe.simpleorchestrator.sample.context.CreditCardContext; 20 | import com.github.ehe.simpleorchestrator.sample.entity.ApplicationResult; 21 | import com.github.ehe.simpleorchestrator.sample.entity.CardApplication; 22 | import com.github.ehe.simpleorchestrator.sample.selector.CardSelector; 23 | import com.github.ehe.simpleorchestrator.sample.task.*; 24 | import org.springframework.beans.factory.annotation.Autowired; 25 | import org.springframework.context.annotation.Bean; 26 | import org.springframework.stereotype.Component; 27 | 28 | import javax.annotation.PostConstruct; 29 | import javax.ws.rs.Consumes; 30 | import javax.ws.rs.POST; 31 | import javax.ws.rs.Path; 32 | import javax.ws.rs.Produces; 33 | import javax.ws.rs.core.MediaType; 34 | import java.util.EnumMap; 35 | 36 | /** 37 | * Card (Credit/Debit) application service 38 | * 39 | * Orchestration: 40 | * 41 | * DebitCardTask -------------------------------------- 42 | * / \ 43 | * application --> CheckCreditTask --> cardSelector x O ApplicationResult 44 | * \ / 45 | * riskCreditChannel[AsyncCheckRiskTask, CreditCardTask] 46 | * 47 | */ 48 | @Component 49 | @Path("/application/card") 50 | public class CardService { 51 | 52 | @Autowired 53 | private ValidationTask validationTask; 54 | 55 | @Autowired 56 | private CreditScoreTask creditScoreTask; 57 | 58 | @Autowired 59 | private DebitCardTask debitCardTask; 60 | 61 | @Autowired 62 | private CreditCardTask creditCardTask; 63 | 64 | @Autowired 65 | private AsyncCheckRiskTask asyncCheckRiskTask; 66 | 67 | @Autowired 68 | private Channel riskCreditChannel; 69 | 70 | @Autowired 71 | private Selector cardSelector; 72 | 73 | @Autowired 74 | private Orchestrator orchestrator; 75 | 76 | @Bean 77 | private ValidationTask cardValidationTask(){ 78 | return new ValidationTask<>(); 79 | } 80 | 81 | @Bean 82 | private Channel riskCreditChannel(){ 83 | return new Channel<>(asyncCheckRiskTask, creditCardTask); 84 | } 85 | 86 | @Bean 87 | private Selector cardSelector(){ 88 | return new CardSelector(new EnumMap(CardApplication.CardType.class){{ 89 | put(CardApplication.CardType.Credit, riskCreditChannel); 90 | put(CardApplication.CardType.Debit, debitCardTask); 91 | }}); 92 | } 93 | 94 | @Bean 95 | private Orchestrator cardOrchestrator(){ 96 | return new OrchestratorImpl<>(creditScoreTask, cardSelector); 97 | } 98 | 99 | @PostConstruct 100 | public void init(){ 101 | System.out.println("aaa"); 102 | } 103 | 104 | private interface RiskCreditContext extends AsyncCheckRiskContext, CreditCardContext {} 105 | 106 | @POST 107 | @Produces(MediaType.APPLICATION_JSON) 108 | @Consumes(MediaType.APPLICATION_JSON) 109 | public ApplicationResult applyCard(CardApplication app) { 110 | CardOrchestratorContext context = new CardOrchestratorContext() ; 111 | context.init(app); 112 | orchestrator.execute(context); 113 | return new ApplicationResult(context.getApplication().getPerson().getName(), context.isApproved(), context.getHistory()); 114 | } 115 | } -------------------------------------------------------------------------------- /meta/src/main/java/com/github/ehe/simpleorchestrator/meta/MetaFactory.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator.meta; 13 | 14 | import com.github.ehe.simpleorchestrator.Orchestrator; 15 | import com.github.ehe.simpleorchestrator.Task; 16 | import com.github.ehe.simpleorchestrator.context.Context; 17 | import com.github.ehe.simpleorchestrator.exception.OrchestratorException; 18 | import com.github.ehe.simpleorchestrator.impl.AbstractListTask; 19 | import com.github.ehe.simpleorchestrator.impl.Channel; 20 | import com.github.ehe.simpleorchestrator.impl.Selector; 21 | 22 | import java.lang.reflect.Field; 23 | import java.lang.reflect.Method; 24 | import java.util.ArrayList; 25 | import java.util.HashMap; 26 | import java.util.List; 27 | import java.util.Map; 28 | import java.util.stream.Collectors; 29 | 30 | /** 31 | * Provide capabilities to create meta data for orchestration components at run time. 32 | * for orchestrator design visualization and inspection purpose. 33 | */ 34 | public class MetaFactory { 35 | 36 | private NameProvider nameProvider; 37 | private Map map = new HashMap<>(); 38 | 39 | public MetaFactory(NameProvider nameProvider) { 40 | this.nameProvider = nameProvider; 41 | } 42 | 43 | public Meta createMeta(Object obj) { 44 | return createMeta(obj, new ArrayList<>()); 45 | } 46 | 47 | public Meta createMeta(Object obj, List parents) { 48 | Meta newMeta = map.get(obj); 49 | if (null != newMeta) { 50 | return newMeta; 51 | } 52 | 53 | String beanName = nameProvider.getName(obj); 54 | String className = obj.getClass().getSimpleName(); 55 | String context = Context.class.getName(); 56 | List nextParents = new ArrayList<>(parents); 57 | String label = (beanName!=null?beanName:className); 58 | 59 | if (obj instanceof Selector) { 60 | nextParents.add("S#"+label); 61 | context = getContextClass(obj, "getChannel"); 62 | SelectorMeta meta = new SelectorMeta(beanName, className, context, parents); 63 | meta.setMap(this.getSelectorTaskMetaMap((Selector) obj, nextParents)); 64 | newMeta = meta; 65 | } else if (obj instanceof Channel) { 66 | nextParents.add("C#"+label); 67 | context = getContextClass(obj, "execute"); 68 | ChannelMeta meta = new ChannelMeta(beanName, className, context, parents); 69 | meta.setTaskList(this.getTaskMetaList((AbstractListTask) obj, nextParents)); 70 | newMeta = meta; 71 | } else if (obj instanceof Orchestrator) { 72 | nextParents.add("O#"+label); 73 | context = getContextClass(obj, "execute"); 74 | OrchestratorMeta meta = new OrchestratorMeta(beanName, className, context, parents); 75 | meta.setTaskList(this.getTaskMetaList((AbstractListTask) obj, nextParents)); 76 | newMeta = meta; 77 | } else if (obj instanceof Task) { 78 | context = getContextClass(obj, "execute"); 79 | newMeta = new TaskMeta(beanName, className, context, parents); 80 | } 81 | 82 | if (null != newMeta) { 83 | map.put(obj, newMeta); 84 | } 85 | 86 | return newMeta; 87 | } 88 | 89 | private String getContextClass(Object obj, String methodName) { 90 | String context = Context.class.getName(); 91 | Method[] methods = obj.getClass().getDeclaredMethods(); 92 | for (Method m: methods ) { 93 | if(methodName.equals(m.getName()) && m.getParameterTypes().length==1 && !m.getParameterTypes()[0].equals(Context.class)){ 94 | context = m.getParameterTypes()[0].getSimpleName(); 95 | } 96 | } 97 | return context; 98 | } 99 | 100 | public List getTaskMetaList(AbstractListTask obj, List nextParents) { 101 | try { 102 | Field f = AbstractListTask.class.getDeclaredField("tasks"); 103 | f.setAccessible(true); 104 | return ((List) f.get(obj)).stream() 105 | .map(task -> this.createMeta(task, nextParents)) 106 | .collect(Collectors.toList()); 107 | } catch (NoSuchFieldException | IllegalAccessException e) { 108 | throw new OrchestratorException("getTaskMetaList", e); 109 | } 110 | } 111 | 112 | public Map getSelectorTaskMetaMap(Selector obj, List nextParents) { 113 | try { 114 | Field f = Selector.class.getDeclaredField("taskMap"); 115 | f.setAccessible(true); 116 | Map map = (Map) f.get(obj); 117 | return map.keySet().stream() 118 | .collect(Collectors.toMap(Enum::name, 119 | key -> this.createMeta(map.get(key), nextParents))); 120 | } catch (NoSuchFieldException | IllegalAccessException e) { 121 | throw new OrchestratorException("getSelectorTaskMetaMap", e); 122 | } 123 | } 124 | } 125 | -------------------------------------------------------------------------------- /samples/src/test/java/com/github/ehe/simpleorchestrator/SamplesApplicationTests.java: -------------------------------------------------------------------------------- 1 | /* 2 | * 3 | * * Copyright (c) 2017. Eric He (eriche39@gmail.com) 4 | * * 5 | * * This software is licensed under 6 | * * 7 | * * MIT license 8 | * * 9 | * 10 | */ 11 | 12 | package com.github.ehe.simpleorchestrator; 13 | 14 | import com.fasterxml.jackson.core.JsonProcessingException; 15 | import com.fasterxml.jackson.databind.ObjectMapper; 16 | import com.github.ehe.simpleorchestrator.meta.Meta; 17 | import com.github.ehe.simpleorchestrator.sample.SampleApplication; 18 | import com.github.ehe.simpleorchestrator.sample.entity.*; 19 | import org.junit.BeforeClass; 20 | import org.junit.Test; 21 | import org.junit.runner.RunWith; 22 | import org.springframework.beans.factory.annotation.Autowired; 23 | import org.springframework.boot.test.context.SpringBootTest; 24 | import org.springframework.boot.test.web.client.TestRestTemplate; 25 | import org.springframework.http.HttpStatus; 26 | import org.springframework.http.ResponseEntity; 27 | import org.springframework.test.context.junit4.SpringRunner; 28 | 29 | import java.util.List; 30 | 31 | import static org.assertj.core.api.Assertions.assertThat; 32 | import static org.junit.Assert.assertEquals; 33 | import static org.junit.Assert.assertNotNull; 34 | 35 | @RunWith(SpringRunner.class) 36 | @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = {SampleApplication.class}) 37 | public class SamplesApplicationTests { 38 | @Autowired 39 | private TestRestTemplate restTemplate; 40 | 41 | private static CardApplication blackListCardApplication; 42 | private static CardApplication ssn4CardApplication; 43 | private static CardApplication debitCardApplication; 44 | private static LoanApplication loanApplication; 45 | private static LoanApplication invalidLoanApplication; 46 | 47 | @BeforeClass 48 | public static void setup(){ 49 | Person backListedPerson = new Person("lawrence", "999999999", new Address(null,null, "92131")); 50 | Person ssn4Person = new Person("lawrence4", "424222444", new Address(null,null, "92131")); 51 | Person ssnInvalidPerson = new Person("lawrence", "abc", new Address(null,null, "92131")); 52 | 53 | blackListCardApplication = 54 | new CardApplication(backListedPerson,"engineer", true, CardApplication.CardType.Credit); 55 | ssn4CardApplication = 56 | new CardApplication(ssn4Person,"engineer", true, CardApplication.CardType.Credit); 57 | debitCardApplication = 58 | new CardApplication(ssn4Person,"engineer", true, CardApplication.CardType.Debit); 59 | loanApplication = 60 | new LoanApplication(ssn4Person, null, "engineer", 90000, 200000); 61 | invalidLoanApplication = 62 | new LoanApplication(ssnInvalidPerson, null, "engineer", 90000, 200000); 63 | 64 | } 65 | 66 | //test blacklisted ssn has checked and logged 67 | @Test 68 | public void blackListed() { 69 | ResponseEntity entity = this.restTemplate.postForEntity("/application/card", 70 | blackListCardApplication, ApplicationResult.class); 71 | assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK); 72 | assertThat(entity.getBody().getHistory().contains("riskCheck: blacklisted")).isTrue(); 73 | } 74 | 75 | 76 | //test ssn is not blacklisted and application status is false 77 | @Test 78 | public void notBlackListed() { 79 | ResponseEntity entity = this.restTemplate.postForEntity("/application/card", 80 | ssn4CardApplication, ApplicationResult.class); 81 | assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK); 82 | assertThat(!entity.getBody().getHistory().contains("riskCheck: blacklisted")).isTrue(); 83 | assertThat(entity.getBody().isApproved()).isFalse(); 84 | } 85 | 86 | //test debit application approved and debitTask is logged 87 | @Test 88 | public void debitCardApplication() { 89 | ResponseEntity entity = this.restTemplate.postForEntity("/application/card", 90 | debitCardApplication, ApplicationResult.class); 91 | assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK); 92 | assertThat(entity.getBody().getHistory().contains("com.github.ehe.simpleorchestrator.sample.task.DebitCardTask")).isTrue(); 93 | assertThat(entity.getBody().isApproved()).isTrue(); 94 | } 95 | 96 | //test loan application not approved 97 | @Test 98 | public void loanApplication() { 99 | ResponseEntity entity = this.restTemplate.postForEntity("/application/loan", 100 | loanApplication, ApplicationResult.class); 101 | assertThat(entity.getBody().isApproved()).isFalse(); 102 | } 103 | 104 | //test invalid application return errors 105 | @Test 106 | public void invalidApplication() { 107 | ResponseEntity entity = this.restTemplate.postForEntity("/application/loan", 108 | invalidLoanApplication, ApplicationResult.class); 109 | assertThat(entity.getBody().getErrors().size()>0).isTrue(); 110 | } 111 | 112 | //test dev admin to get meta info 113 | @Test 114 | public void metaApplication() throws JsonProcessingException { 115 | ResponseEntity entity = this.restTemplate.getForEntity("/internal/meta", 116 | List.class); 117 | List list = entity.getBody(); 118 | System.out.println(new ObjectMapper().writerWithDefaultPrettyPrinter().writeValueAsString(list)); 119 | assertNotNull(list); 120 | //two orchestrators: loan and card 121 | assertEquals(list.size(),2); 122 | } 123 | } 124 | -------------------------------------------------------------------------------- /visualization/src/main/resources/static/internal/orchestrators.js: -------------------------------------------------------------------------------- 1 | 2 | 3 | mermaidAPI.initialize({ 4 | startOnLoad:false 5 | }); 6 | $(function(){ 7 | $.get( "../internal/meta", function( data ) { 8 | var element = document.querySelector("div.mermaid"); 9 | 10 | var insertSvg = function(svgCode, bindFunctions){ 11 | element.innerHTML = svgCode; 12 | 13 | if(typeof callback !== 'undefined'){ 14 | callback('svgGraph'); 15 | } 16 | bindFunctions(element); 17 | }; 18 | 19 | 20 | var graphDefinition = getGraphs(data); 21 | var graph = mermaidAPI.render('svgGraph', graphDefinition, insertSvg, element); 22 | }); 23 | 24 | function getGraphs(data){ 25 | var counter = {id:0}; 26 | var graphs = data.map(function(orch){ 27 | return getGraph(orch, counter).join("; "); 28 | }); 29 | var str = "graph TB;\n "+graphs.join("; "); 30 | return str; 31 | } 32 | 33 | function getGraph(orch, counter){ 34 | var lines = []; 35 | lines.push("subgraph "+orch.beanName); 36 | var prevNodes = new Array(addStartEnd("Start", lines, counter)); 37 | orch.taskList.forEach(function(task){ 38 | prevNodes = addTask(task, prevNodes, lines, counter); 39 | }); 40 | var endId = addStartEnd("End", lines, counter); 41 | prevNodes.forEach(function(node){ 42 | lines.push(node+"-->"+endId); 43 | }); 44 | //end of subgraph 45 | lines.push("end"); 46 | return lines; 47 | } 48 | 49 | function addStartEnd(nodeName, lines, counter){ 50 | return addNode(nodeName, "(("+nodeName+"))", lines, counter); 51 | } 52 | 53 | function addNode(nodeName, label, lines, counter){ 54 | counter.id = counter.id+1; 55 | var nodeId = nodeName+counter.id; 56 | var node = nodeId + label; 57 | lines.push(node); 58 | return nodeId; 59 | } 60 | 61 | //task: next node 62 | //prevNodes: previous nodes from 63 | //lines: output lines 64 | //key: key to this task 65 | //return array of new nodes ids 66 | function addTask(task, prevNodes, lines, counter, key){ 67 | switch(task.type){ 68 | case "CHANNEL": 69 | task.taskList.forEach(function(subTask){ 70 | prevNodes = addTask(subTask, prevNodes, lines, counter, key); 71 | key = ""; 72 | }); 73 | break; 74 | case "SELECTOR": 75 | prevNodes = new Array(addTaskNode(task, prevNodes, lines, counter, key)); 76 | var newNodes = []; 77 | for(var subKey in task.map) { 78 | var subTask = task.map[subKey]; 79 | newNodes = newNodes.concat(addTask(subTask, prevNodes, lines, counter, subKey)) 80 | } 81 | prevNodes = newNodes; 82 | break; 83 | case "TASK": 84 | prevNodes = new Array(addTaskNode(task, prevNodes, lines, counter, key)); 85 | break; 86 | default: 87 | alert("supported addTask for type: "+task.type); 88 | break; 89 | } 90 | return prevNodes; 91 | } 92 | 93 | //add node and link to lines for the task 94 | //task: task 95 | //prevNodes: previous nodes from 96 | //lines: output lines 97 | //key: key to this task 98 | //return new node id 99 | function addTaskNode(task, prevNodes, lines, counter, key){ 100 | var label = ""; 101 | var id = ""; 102 | switch(task.type){ 103 | case "CHANNEL": 104 | alert("CHANNEL should not be visible"); 105 | break; 106 | case "SELECTOR": 107 | label = "{"+task.beanName+"}"; 108 | break; 109 | case "TASK": 110 | label = "("+task.beanName+")"; 111 | break; 112 | default: 113 | alert("label is not supported for type: "+task.type); 114 | break; 115 | } 116 | var id = addNode(task.type, label, lines, counter); 117 | prevNodes.forEach(function(prevNode){ 118 | if(typeof key != 'undefined' && key.length>0){ 119 | lines.push(prevNode+"-->|"+key+"|"+id); 120 | } else { 121 | lines.push(prevNode+"-->"+id); 122 | } 123 | var tooltip = getTooltip(task); 124 | lines.push('click '+id+' callback "

'+ tooltip+'

"'); 125 | }); 126 | return id; 127 | } 128 | 129 | function getTooltip(task){ 130 | if(task.type === 'SELECTOR'){ 131 | task = $.extend(true, {}, task); 132 | var map = task.map; 133 | for(var key in map){ 134 | //stop the tree 135 | map[key] = map[key].beanName || className; 136 | } 137 | task.map = JSON.stringify(map).replace(/[\"|\{|\}]/g, "").replace(/,/g,"
  "); 138 | } 139 | return JSON.stringify(task).replace(/[\"|\{|\}]/g, "").replace(/,/g,"
"); 140 | } 141 | 142 | var callback = function(task){ 143 | console.log(task); 144 | } 145 | }); 146 | -------------------------------------------------------------------------------- /visualization/src/main/resources/static/internal/lib/mermaid.forest.css: -------------------------------------------------------------------------------- 1 | /* Flowchart variables */ 2 | /* Sequence Diagram variables */ 3 | /* Gantt chart variables */ 4 | .mermaid .label { 5 | font-family: 'trebuchet ms', verdana, arial; 6 | color: #333; 7 | } 8 | .node rect, 9 | .node circle, 10 | .node ellipse, 11 | .node polygon { 12 | fill: #cde498; 13 | stroke: #13540c; 14 | stroke-width: 1px; 15 | } 16 | .edgePath .path { 17 | stroke: green; 18 | stroke-width: 1.5px; 19 | } 20 | .edgeLabel { 21 | background-color: #e8e8e8; 22 | } 23 | .cluster rect { 24 | fill: #cdffb2 !important; 25 | rx: 4 !important; 26 | stroke: #6eaa49 !important; 27 | stroke-width: 1px !important; 28 | } 29 | .cluster text { 30 | fill: #333; 31 | } 32 | .actor { 33 | stroke: #13540c; 34 | fill: #cde498; 35 | } 36 | text.actor { 37 | fill: black; 38 | stroke: none; 39 | } 40 | .actor-line { 41 | stroke: grey; 42 | } 43 | .messageLine0 { 44 | stroke-width: 1.5; 45 | stroke-dasharray: "2 2"; 46 | marker-end: "url(#arrowhead)"; 47 | stroke: #333; 48 | } 49 | .messageLine1 { 50 | stroke-width: 1.5; 51 | stroke-dasharray: "2 2"; 52 | stroke: #333; 53 | } 54 | #arrowhead { 55 | fill: #333; 56 | } 57 | #crosshead path { 58 | fill: #333 !important; 59 | stroke: #333 !important; 60 | } 61 | .messageText { 62 | fill: #333; 63 | stroke: none; 64 | } 65 | .labelBox { 66 | stroke: #326932; 67 | fill: #cde498; 68 | } 69 | .labelText { 70 | fill: black; 71 | stroke: none; 72 | } 73 | .loopText { 74 | fill: black; 75 | stroke: none; 76 | } 77 | .loopLine { 78 | stroke-width: 2; 79 | stroke-dasharray: "2 2"; 80 | marker-end: "url(#arrowhead)"; 81 | stroke: #326932; 82 | } 83 | .note { 84 | stroke: #6eaa49; 85 | fill: #fff5ad; 86 | } 87 | .noteText { 88 | fill: black; 89 | stroke: none; 90 | font-family: 'trebuchet ms', verdana, arial; 91 | font-size: 14px; 92 | } 93 | /** Section styling */ 94 | .section { 95 | stroke: none; 96 | opacity: 0.2; 97 | } 98 | .section0 { 99 | fill: #6eaa49; 100 | } 101 | .section2 { 102 | fill: #6eaa49; 103 | } 104 | .section1, 105 | .section3 { 106 | fill: white; 107 | opacity: 0.2; 108 | } 109 | .sectionTitle0 { 110 | fill: #333; 111 | } 112 | .sectionTitle1 { 113 | fill: #333; 114 | } 115 | .sectionTitle2 { 116 | fill: #333; 117 | } 118 | .sectionTitle3 { 119 | fill: #333; 120 | } 121 | .sectionTitle { 122 | text-anchor: start; 123 | font-size: 11px; 124 | text-height: 14px; 125 | } 126 | /* Grid and axis */ 127 | .grid .tick { 128 | stroke: lightgrey; 129 | opacity: 0.3; 130 | shape-rendering: crispEdges; 131 | } 132 | .grid path { 133 | stroke-width: 0; 134 | } 135 | /* Today line */ 136 | .today { 137 | fill: none; 138 | stroke: red; 139 | stroke-width: 2px; 140 | } 141 | /* Task styling */ 142 | /* Default task */ 143 | .task { 144 | stroke-width: 2; 145 | } 146 | .taskText { 147 | text-anchor: middle; 148 | font-size: 11px; 149 | } 150 | .taskTextOutsideRight { 151 | fill: black; 152 | text-anchor: start; 153 | font-size: 11px; 154 | } 155 | .taskTextOutsideLeft { 156 | fill: black; 157 | text-anchor: end; 158 | font-size: 11px; 159 | } 160 | /* Specific task settings for the sections*/ 161 | .taskText0, 162 | .taskText1, 163 | .taskText2, 164 | .taskText3 { 165 | fill: white; 166 | } 167 | .task0, 168 | .task1, 169 | .task2, 170 | .task3 { 171 | fill: #487e3a; 172 | stroke: #13540c; 173 | } 174 | .taskTextOutside0, 175 | .taskTextOutside2 { 176 | fill: black; 177 | } 178 | .taskTextOutside1, 179 | .taskTextOutside3 { 180 | fill: black; 181 | } 182 | /* Active task */ 183 | .active0, 184 | .active1, 185 | .active2, 186 | .active3 { 187 | fill: #cde498; 188 | stroke: #13540c; 189 | } 190 | .activeText0, 191 | .activeText1, 192 | .activeText2, 193 | .activeText3 { 194 | fill: black !important; 195 | } 196 | /* Completed task */ 197 | .done0, 198 | .done1, 199 | .done2, 200 | .done3 { 201 | stroke: grey; 202 | fill: lightgrey; 203 | stroke-width: 2; 204 | } 205 | .doneText0, 206 | .doneText1, 207 | .doneText2, 208 | .doneText3 { 209 | fill: black !important; 210 | } 211 | /* Tasks on the critical line */ 212 | .crit0, 213 | .crit1, 214 | .crit2, 215 | .crit3 { 216 | stroke: #ff8888; 217 | fill: red; 218 | stroke-width: 2; 219 | } 220 | .activeCrit0, 221 | .activeCrit1, 222 | .activeCrit2, 223 | .activeCrit3 { 224 | stroke: #ff8888; 225 | fill: #cde498; 226 | stroke-width: 2; 227 | } 228 | .doneCrit0, 229 | .doneCrit1, 230 | .doneCrit2, 231 | .doneCrit3 { 232 | stroke: #ff8888; 233 | fill: lightgrey; 234 | stroke-width: 2; 235 | cursor: pointer; 236 | shape-rendering: crispEdges; 237 | } 238 | .doneCritText0, 239 | .doneCritText1, 240 | .doneCritText2, 241 | .doneCritText3 { 242 | fill: black !important; 243 | } 244 | .activeCritText0, 245 | .activeCritText1, 246 | .activeCritText2, 247 | .activeCritText3 { 248 | fill: black !important; 249 | } 250 | .titleText { 251 | text-anchor: middle; 252 | font-size: 18px; 253 | fill: black; 254 | } 255 | /* 256 | 257 | 258 | */ 259 | g.classGroup text { 260 | fill: #13540c; 261 | stroke: none; 262 | font-family: 'trebuchet ms', verdana, arial; 263 | font-size: 14px; 264 | } 265 | g.classGroup rect { 266 | fill: #cde498; 267 | stroke: #13540c; 268 | } 269 | g.classGroup line { 270 | stroke: #13540c; 271 | stroke-width: 1; 272 | } 273 | svg .classLabel .box { 274 | stroke: none; 275 | stroke-width: 0; 276 | fill: #cde498; 277 | opacity: 0.5; 278 | } 279 | svg .classLabel .label { 280 | fill: #13540c; 281 | } 282 | .relation { 283 | stroke: #13540c; 284 | stroke-width: 1; 285 | fill: none; 286 | } 287 | .composition { 288 | fill: #13540c; 289 | stroke: #13540c; 290 | stroke-width: 1; 291 | } 292 | #compositionStart { 293 | fill: #13540c; 294 | stroke: #13540c; 295 | stroke-width: 1; 296 | } 297 | #compositionEnd { 298 | fill: #13540c; 299 | stroke: #13540c; 300 | stroke-width: 1; 301 | } 302 | .aggregation { 303 | fill: #cde498; 304 | stroke: #13540c; 305 | stroke-width: 1; 306 | } 307 | #aggregationStart { 308 | fill: #cde498; 309 | stroke: #13540c; 310 | stroke-width: 1; 311 | } 312 | #aggregationEnd { 313 | fill: #cde498; 314 | stroke: #13540c; 315 | stroke-width: 1; 316 | } 317 | #dependencyStart { 318 | fill: #13540c; 319 | stroke: #13540c; 320 | stroke-width: 1; 321 | } 322 | #dependencyEnd { 323 | fill: #13540c; 324 | stroke: #13540c; 325 | stroke-width: 1; 326 | } 327 | #extensionStart { 328 | fill: #13540c; 329 | stroke: #13540c; 330 | stroke-width: 1; 331 | } 332 | #extensionEnd { 333 | fill: #13540c; 334 | stroke: #13540c; 335 | stroke-width: 1; 336 | } 337 | .node text { 338 | font-family: 'trebuchet ms', verdana, arial; 339 | font-size: 14px; 340 | } 341 | div.mermaidTooltip { 342 | position: absolute; 343 | text-align: center; 344 | max-width: 200px; 345 | padding: 2px; 346 | font-family: 'trebuchet ms', verdana, arial; 347 | font-size: 12px; 348 | background: #cdffb2; 349 | border: 1px solid #6eaa49; 350 | border-radius: 2px; 351 | pointer-events: none; 352 | z-index: 100; 353 | } 354 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4.0.0 4 | 5 | com.github.eriche39 6 | orchestrator 7 | 1.1-SNAPSHOT 8 | simpleorchestrator 9 | Simple Java Orchestrator 10 | https://github.com/eriche39/simple-orchestrator 11 | pom 12 | 13 | 14 | org.springframework.boot 15 | spring-boot-starter-parent 16 | 1.5.2.RELEASE 17 | 18 | 19 | 20 | core 21 | meta 22 | visualization 23 | samples 24 | 25 | 26 | 27 | UTF-8 28 | 29 | 30 | 31 | 32 | MIT License 33 | https://opensource.org/licenses/MIT 34 | 35 | 36 | 37 | 38 | 39 | Eric He 40 | 41 | Initial developer 42 | 43 | 44 | 45 | 46 | 47 | 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