├── settings.gradle ├── .gitignore ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── src └── main │ └── kotlin │ └── com │ └── hadihariri │ └── kotlin │ └── async │ ├── 1_LongRunningProcess.kt │ ├── 3_SuspendableComputationLoop.kt │ ├── 4_SuspendableComputationSleep.kt │ ├── 5_SuspendableComputationDelay.kt │ ├── 10_Timeout.kt │ ├── 6_SuspendableComputationJoin.kt │ ├── 2_SuspendableComputation.kt │ ├── 7_WorkingWithJobs.kt │ ├── 15_Channels.kt │ ├── 17_ProduceConsume.kt │ ├── 16_ClosingChannels.kt │ ├── 21_Exceptions.kt │ ├── 12_Concurrent.kt │ ├── 11_Sequential.kt │ ├── 13_Lazy.kt │ ├── 18_Pipeline.kt │ ├── 6A_Comparison.kt │ ├── 14_Dispatchers.kt │ ├── 8_NonCancellable.kt │ ├── 9_Cancellable.kt │ ├── 20_Actors.kt │ └── 19_SharedState.kt ├── gradlew.bat └── gradlew /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'kotlin-async' 2 | 3 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | 2 | .DS_Store 3 | .gradle/ 4 | .idea/ 5 | out/ 6 | build/ -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/hhariri/talk-kotlin-async/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Sat Jun 23 16:03:53 CEST 2018 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.8-all.zip 7 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/1_LongRunningProcess.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | 4 | fun main(args: Array) { 5 | println("Starting here") 6 | longRunningProcess() 7 | println("Ending here") 8 | 9 | } 10 | 11 | 12 | 13 | fun longRunningProcess() { 14 | Thread.sleep(5000) 15 | println("in process") 16 | } 17 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/3_SuspendableComputationLoop.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | fun main(args: Array) { 7 | println("Starting here") 8 | launch(CommonPool) { 9 | suspendableProcess() 10 | } 11 | println("Ending here") 12 | while (true) {} 13 | } 14 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/4_SuspendableComputationSleep.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | fun main(args: Array) { 7 | println("Starting here") 8 | launch(CommonPool) { 9 | suspendableProcess() 10 | } 11 | println("Ending here") 12 | Thread.sleep(4000) 13 | } 14 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/5_SuspendableComputationDelay.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | fun main(args: Array) = runBlocking { 6 | println("Starting here") 7 | launch(CommonPool) { 8 | suspendableProcess() 9 | } 10 | println("Ending here") 11 | delay(4000) 12 | } 13 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/10_Timeout.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | fun main(args: Array) = runBlocking { 7 | withTimeout(3000) { 8 | timeoutProcess() 9 | } 10 | } 11 | 12 | suspend fun timeoutProcess() { 13 | delay(5000) 14 | println("timeoutProcess called") 15 | } 16 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/6_SuspendableComputationJoin.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | fun main(args: Array) = runBlocking { 7 | 8 | println("Starting here") 9 | 10 | val job = launch(CommonPool) { 11 | suspendableProcess() 12 | } 13 | 14 | println("Ending here") 15 | 16 | job.join() 17 | } 18 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/2_SuspendableComputation.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | fun main(args: Array) { 7 | println("Starting here") 8 | launch(CommonPool) { 9 | suspendableProcess() 10 | } 11 | println("Ending here") 12 | 13 | } 14 | 15 | suspend fun suspendableProcess() { 16 | delay(2000) 17 | println("in process") 18 | } 19 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/7_WorkingWithJobs.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | // Notice explicit Unit 7 | fun main(args: Array) = runBlocking { 8 | val job = launch(CommonPool) { 9 | longRunning() 10 | } 11 | delay(4000) 12 | job.cancel() 13 | } 14 | 15 | suspend fun longRunning() { 16 | delay(10000) 17 | println("longRunning called") 18 | } 19 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/15_Channels.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlinx.coroutines.experimental.channels.* 5 | 6 | 7 | fun main(args: Array) = runBlocking { 8 | val channel = Channel() 9 | 10 | launch(CommonPool) { 11 | for (x in 1..5) { 12 | channel.send(x * x) 13 | } 14 | } 15 | repeat(5) { 16 | println(channel.receive()) 17 | } 18 | } 19 | 20 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/17_ProduceConsume.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlinx.coroutines.experimental.channels.* 5 | 6 | 7 | fun main(args: Array) = runBlocking { 8 | val squares = produceSquares() 9 | squares.consumeEach { 10 | println(it) 11 | } 12 | } 13 | 14 | 15 | fun produceSquares() = produce(CommonPool) { 16 | for (x in 1..5) { 17 | send (x * x) 18 | } 19 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/16_ClosingChannels.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlinx.coroutines.experimental.channels.* 5 | 6 | 7 | fun main(args: Array) = runBlocking { 8 | val channel = Channel() 9 | 10 | launch(CommonPool) { 11 | for (x in 1..7) { 12 | channel.send(x * x) 13 | } 14 | channel.close() 15 | } 16 | for (y in channel) { 17 | println(channel.receive()) 18 | } 19 | } 20 | 21 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/21_Exceptions.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | fun main(args: Array) = runBlocking { 7 | val handler = CoroutineExceptionHandler { _, exception -> 8 | println("Caught $exception") 9 | } 10 | val job = launch(handler) { 11 | throw AssertionError() 12 | } 13 | val deferred = async(handler) { 14 | throw ArithmeticException() 15 | } 16 | deferred.await() 17 | joinAll(job, deferred) 18 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/12_Concurrent.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlin.system.* 5 | 6 | fun main(args: Array) = runBlocking { 7 | 8 | val time = measureTimeMillis { 9 | val one = async(CommonPool) { 10 | 11 | function1() 12 | } 13 | 14 | val two = async(CommonPool) { 15 | 16 | function2() 17 | 18 | } 19 | println("Result is ${one.await() + two.await()}") 20 | } 21 | println("Total time: $time") 22 | 23 | } 24 | 25 | 26 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/11_Sequential.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlin.system.* 5 | 6 | 7 | fun main(args: Array) = runBlocking { 8 | 9 | val time = measureTimeMillis { 10 | val one = function1() 11 | val two = function2() 12 | println("Result is ${one + two}") 13 | } 14 | println("Total time: $time") 15 | 16 | } 17 | 18 | suspend fun function1(): Int { 19 | delay(1000) 20 | return 15 21 | } 22 | 23 | suspend fun function2(): Int { 24 | delay(1000) 25 | return 27 26 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/13_Lazy.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlin.system.* 5 | 6 | 7 | fun main(args: Array) = runBlocking { 8 | 9 | val time = measureTimeMillis { 10 | val one = async(CommonPool, CoroutineStart.LAZY) { 11 | function1() 12 | } 13 | val two = async(CommonPool, CoroutineStart.LAZY) { 14 | function2() 15 | } 16 | println("Result is ${one.await() + two.await()}") 17 | } 18 | println("Total time: $time") 19 | 20 | } 21 | 22 | 23 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/18_Pipeline.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlinx.coroutines.experimental.channels.* 5 | 6 | 7 | fun producerPipeline() = produce(CommonPool) { 8 | var x = 1 9 | while (true) send(x++) 10 | } 11 | 12 | fun consumerPipeline(numbers: ReceiveChannel) = produce(CommonPool) { 13 | for (x in numbers) { 14 | send(x * x) 15 | } 16 | } 17 | 18 | fun main(args: Array) = runBlocking { 19 | val numbers = producerPipeline() 20 | val squares = consumerPipeline(numbers) 21 | for (i in 1..5) { 22 | println(squares.receive()) 23 | } 24 | squares.cancel() 25 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/6A_Comparison.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlin.concurrent.* 5 | 6 | fun threads() { 7 | val jobs = 1..100000 8 | jobs.forEach { 9 | thread { 10 | Thread.sleep(1000L) 11 | println(".") 12 | } 13 | } 14 | } 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | fun coroutines() = runBlocking { 30 | val jobs = List(1000000) { 31 | launch(CommonPool) { 32 | delay(1000L) 33 | println(".") 34 | } 35 | } 36 | jobs.forEach { 37 | it.join() 38 | } 39 | } 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | fun main(args: Array) { 50 | 51 | coroutines() 52 | 53 | //threads() 54 | 55 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/14_Dispatchers.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlin.coroutines.experimental.* 5 | 6 | 7 | fun main(args: Array) = runBlocking { 8 | 9 | val jobs = arrayListOf() 10 | 11 | jobs += launch(Unconfined) { 12 | println("Unconfined: ${threadName()}") 13 | } 14 | 15 | jobs += launch(CommonPool) { 16 | isActive 17 | println("CommonPool: ${threadName()}") 18 | } 19 | 20 | jobs += launch(newSingleThreadContext("CustomThread")) { 21 | println("CustomThread: ${threadName()}") 22 | } 23 | 24 | 25 | jobs += launch(coroutineContext) { 26 | println("Corutine Context: ${threadName()}") 27 | } 28 | 29 | 30 | } 31 | 32 | 33 | 34 | 35 | fun threadName(): String = Thread.currentThread().name -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/8_NonCancellable.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | // Notice explicit Unit 7 | fun main(args: Array) = runBlocking { 8 | val job = launch(CommonPool) { 9 | var nextPrintTime = System.currentTimeMillis() 10 | var i = 0 11 | while (true) { // computation loop 12 | val currentTime = System.currentTimeMillis() 13 | if (currentTime >= nextPrintTime) { 14 | println("I'm sleeping ${i++} ...") 15 | nextPrintTime += 500L 16 | } 17 | } } 18 | delay(1300L) // delay a bit 19 | println("main: I'm tired of waiting!") 20 | job.cancel() // cancels the job 21 | delay(1300L) // delay a bit to see if it was cancelled.... 22 | println("main: Now I can quit.") 23 | } 24 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/9_Cancellable.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | 5 | 6 | // Notice explicit Unit 7 | fun main(args: Array) = runBlocking { 8 | val job = launch(CommonPool) { 9 | var nextPrintTime = System.currentTimeMillis() 10 | var i = 0 11 | while (isActive) { // computation loop 12 | val currentTime = System.currentTimeMillis() 13 | if (currentTime >= nextPrintTime) { 14 | println("I'm sleeping ${i++} ...") 15 | nextPrintTime += 500L 16 | } 17 | } } 18 | delay(1300L) // delay a bit 19 | println("main: I'm tired of waiting!") 20 | job.cancel() // cancels the job 21 | delay(1300L) // delay a bit to see if it was cancelled.... 22 | println("main: Now I can quit.") 23 | } 24 | -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/20_Actors.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlinx.coroutines.experimental.channels.* 5 | 6 | 7 | sealed class CounterMessage 8 | object IncCounter: CounterMessage() 9 | class GetCounter(val response: CompletableDeferred): CounterMessage() 10 | 11 | fun counterActor() = actor(CommonPool) { 12 | var counter = 0 13 | for (msg in channel) { 14 | when (msg) { 15 | is IncCounter -> counter++ 16 | is GetCounter -> msg.response.complete(counter) 17 | } 18 | } 19 | } 20 | 21 | fun main(args: Array) = runBlocking { 22 | val counter = counterActor() 23 | massiveRun(CommonPool) { 24 | counter.send(IncCounter) 25 | } 26 | val response = CompletableDeferred() 27 | counter.send(GetCounter(response)) 28 | println("Counter = ${response.await()}") 29 | counter.close() 30 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/hadihariri/kotlin/async/19_SharedState.kt: -------------------------------------------------------------------------------- 1 | package com.hadihariri.kotlin.async 2 | 3 | import kotlinx.coroutines.experimental.* 4 | import kotlin.coroutines.experimental.* 5 | import kotlin.system.* 6 | 7 | 8 | val counterContext = newSingleThreadContext("CounterContext") 9 | var counter = 0 10 | 11 | fun main(args: Array) = runBlocking { 12 | // Switch to counterContext for faster execution 13 | massiveRun(CommonPool) { 14 | withContext(counterContext, CoroutineStart.DEFAULT, { // remove run when switching to counterContext 15 | counter++ 16 | }) 17 | } 18 | println("Counter = $counter") 19 | } 20 | 21 | suspend fun massiveRun(context: CoroutineContext, action: suspend () -> Unit) { 22 | val n = 1000 23 | val k = 1000 24 | val time = measureTimeMillis { 25 | val jobs = List(n) { 26 | launch(context) { 27 | repeat(k) { action() } 28 | } 29 | } 30 | jobs.forEach { it.join() } 31 | } 32 | println("Completed ${ n * k} actions in $time ms") 33 | 34 | } -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | --------------------------------------------------------------------------------