├── src ├── main │ └── java │ │ └── com │ │ └── mscharhag │ │ └── solr │ │ ├── document │ │ ├── Category.java │ │ └── Book.java │ │ ├── Application.java │ │ └── repository │ │ └── BookRepository.java └── test │ └── java │ └── com │ └── mscharhag │ └── solr │ └── repository │ └── BookRepositoryTests.java ├── README.md ├── pom.xml └── LICENSE /src/main/java/com/mscharhag/solr/document/Category.java: -------------------------------------------------------------------------------- 1 | package com.mscharhag.solr.document; 2 | 3 | public enum Category { 4 | EDUCATION, HISTORY, HUMOR, TECHNOLOGY, ROMANCE, ADVENTURE 5 | } 6 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Spring-data-solr-example 2 | ======================== 3 | 4 | This is an example project to show some of the features of Spring Data Solr. It's the source I used for writing the blog post [Getting started with Spring Data Solr][1] 5 | [1]: http://www.mscharhag.com/2013/11/getting-started-with-spring-data-solr.html 6 | 7 | Have a look at [BookRepositoryTest][2] to see how to access Solr features with Spring Data Solr. 8 | [2]: https://github.com/mscharhag/Spring-data-solr-example/blob/master/src/test/java/com/mscharhag/solr/repository/BookRepositoryTests.java -------------------------------------------------------------------------------- /src/main/java/com/mscharhag/solr/Application.java: -------------------------------------------------------------------------------- 1 | package com.mscharhag.solr; 2 | 3 | import org.apache.solr.client.solrj.SolrServer; 4 | import org.apache.solr.client.solrj.impl.HttpSolrServer; 5 | import org.springframework.context.annotation.Bean; 6 | import org.springframework.context.annotation.ComponentScan; 7 | import org.springframework.data.solr.core.SolrTemplate; 8 | import org.springframework.data.solr.repository.config.EnableSolrRepositories; 9 | 10 | @ComponentScan 11 | @EnableSolrRepositories("com.mscharhag.solr.repository") 12 | public class Application { 13 | 14 | @Bean 15 | public SolrServer solrServer() { 16 | return new HttpSolrServer("http://localhost:8983/solr"); 17 | } 18 | 19 | @Bean 20 | public SolrTemplate solrTemplate(SolrServer server) throws Exception { 21 | return new SolrTemplate(server); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /src/main/java/com/mscharhag/solr/document/Book.java: -------------------------------------------------------------------------------- 1 | package com.mscharhag.solr.document; 2 | 3 | import java.util.List; 4 | 5 | import org.apache.solr.client.solrj.beans.Field; 6 | 7 | public class Book { 8 | 9 | @Field 10 | private String id; 11 | 12 | @Field 13 | private String name; 14 | 15 | @Field 16 | private String description; 17 | 18 | @Field("categories_txt") 19 | private List categories; 20 | 21 | 22 | public String getId() { 23 | return id; 24 | } 25 | 26 | public void setId(String id) { 27 | this.id = id; 28 | } 29 | 30 | public String getDescription() { 31 | return description; 32 | } 33 | 34 | public void setDescription(String description) { 35 | this.description = description; 36 | } 37 | 38 | public String getName() { 39 | return name; 40 | } 41 | 42 | public void setName(String title) { 43 | this.name = title; 44 | } 45 | 46 | public List getCategories() { 47 | return categories; 48 | } 49 | 50 | public void setCategories(List categories) { 51 | this.categories = categories; 52 | } 53 | 54 | @Override 55 | public String toString() { 56 | return "Book [id=" + id + ", description=" + description + ", title=" + name + "]"; 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /src/main/java/com/mscharhag/solr/repository/BookRepository.java: -------------------------------------------------------------------------------- 1 | package com.mscharhag.solr.repository; 2 | 3 | import java.util.List; 4 | 5 | import org.springframework.data.domain.Page; 6 | import org.springframework.data.domain.Pageable; 7 | import org.springframework.data.solr.core.query.result.FacetPage; 8 | import org.springframework.data.solr.core.query.result.HighlightPage; 9 | import org.springframework.data.solr.repository.Boost; 10 | import org.springframework.data.solr.repository.Facet; 11 | import org.springframework.data.solr.repository.Highlight; 12 | import org.springframework.data.solr.repository.Query; 13 | import org.springframework.data.solr.repository.SolrCrudRepository; 14 | 15 | import com.mscharhag.solr.document.Book; 16 | 17 | public interface BookRepository extends SolrCrudRepository { 18 | 19 | List findByName(String name); 20 | 21 | Page findByNameOrDescription(@Boost(2) String name, String description, Pageable pageable); 22 | 23 | @Query("name:?0") 24 | @Facet(fields = { "categories_txt" }, limit = 5) 25 | FacetPage findByNameAndFacetOnCategories(String name, Pageable page); 26 | 27 | @Highlight(prefix = "", postfix = "") 28 | HighlightPage findByDescription(String description, Pageable pageable); 29 | 30 | } 31 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | com.mscharhag 7 | demo 8 | 0.0.1-SNAPSHOT 9 | 10 | Spring-data-solr-example 11 | Spring data solr example 12 | 13 | 14 | org.springframework.boot 15 | spring-boot-starter-parent 16 | 0.5.0.BUILD-SNAPSHOT 17 | 18 | 19 | 20 | 21 | org.springframework.boot 22 | spring-boot-starter 23 | 24 | 25 | 26 | org.springframework.boot 27 | spring-boot-starter-test 28 | test 29 | 30 | 31 | org.springframework.data 32 | spring-data-solr 33 | 1.0.0.RELEASE 34 | 35 | 36 | 37 | 38 | com.mscharhag.Application 39 | 40 | 41 | 42 | 43 | 44 | org.springframework.boot 45 | spring-boot-maven-plugin 46 | 47 | 48 | maven-compiler-plugin 49 | 50 | 1.7 51 | 1.7 52 | 53 | 54 | 55 | 56 | 57 | src/main/resources 58 | 59 | 60 | 61 | 62 | 63 | 64 | spring-snapshots 65 | Spring Snapshots 66 | http://repo.springsource.org/snapshot 67 | 68 | true 69 | 70 | 71 | 72 | spring-milestones 73 | Spring Milestones 74 | http://repo.springsource.org/milestone 75 | 76 | false 77 | 78 | 79 | 80 | 81 | 82 | spring-snapshots 83 | Spring Snapshots 84 | http://repo.springsource.org/snapshot 85 | 86 | true 87 | 88 | 89 | 90 | spring-milestones 91 | Spring Milestones 92 | http://repo.springsource.org/milestone 93 | 94 | false 95 | 96 | 97 | 98 | 99 | -------------------------------------------------------------------------------- /src/test/java/com/mscharhag/solr/repository/BookRepositoryTests.java: -------------------------------------------------------------------------------- 1 | package com.mscharhag.solr.repository; 2 | 3 | import static com.mscharhag.solr.document.Category.ADVENTURE; 4 | import static com.mscharhag.solr.document.Category.EDUCATION; 5 | import static com.mscharhag.solr.document.Category.HISTORY; 6 | import static com.mscharhag.solr.document.Category.HUMOR; 7 | import static com.mscharhag.solr.document.Category.ROMANCE; 8 | import static com.mscharhag.solr.document.Category.TECHNOLOGY; 9 | 10 | import java.util.Arrays; 11 | import java.util.HashMap; 12 | import java.util.List; 13 | import java.util.Map; 14 | 15 | import static org.junit.Assert.*; 16 | 17 | import org.junit.Before; 18 | import org.junit.Test; 19 | import org.junit.runner.RunWith; 20 | import org.springframework.beans.factory.annotation.Autowired; 21 | import org.springframework.boot.test.SpringApplicationContextLoader; 22 | import org.springframework.data.domain.Page; 23 | import org.springframework.data.domain.PageRequest; 24 | import org.springframework.data.solr.core.query.result.FacetEntry; 25 | import org.springframework.data.solr.core.query.result.FacetPage; 26 | import org.springframework.data.solr.core.query.result.HighlightEntry; 27 | import org.springframework.data.solr.core.query.result.HighlightEntry.Highlight; 28 | import org.springframework.data.solr.core.query.result.HighlightPage; 29 | import org.springframework.test.context.ContextConfiguration; 30 | import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; 31 | 32 | import com.mscharhag.solr.Application; 33 | import com.mscharhag.solr.document.Book; 34 | import com.mscharhag.solr.document.Category; 35 | import com.mscharhag.solr.repository.BookRepository; 36 | 37 | @RunWith(SpringJUnit4ClassRunner.class) 38 | @ContextConfiguration(classes = Application.class, loader=SpringApplicationContextLoader.class) 39 | public class BookRepositoryTests { 40 | 41 | @Autowired 42 | private BookRepository bookRepository; 43 | 44 | 45 | @Before 46 | public void before() { 47 | createSampleData(); 48 | } 49 | 50 | 51 | @Test 52 | public void findByName() { 53 | List books = bookRepository.findByName("Island"); 54 | 55 | // Books with IDs 01, 02, 05, 08 contain "Island" in their name 56 | assertEquals(books.size(), 4); 57 | assertTrue(containsBooksWithIds(books, "01", "02", "05", "08")); 58 | } 59 | 60 | 61 | @Test 62 | public void findByNameOrDescription() { 63 | Page booksPage = bookRepository.findByNameOrDescription("Island", "Island", new PageRequest(0, 10)); 64 | 65 | // the following books contain the string "island" in their name or description: 01, 02, 05, 07, 08 66 | List books = booksPage.getContent(); 67 | assertEquals(5, books.size()); 68 | assertTrue(containsBooksWithIds(books, "01", "02", "05", "07", "08")); 69 | 70 | // If the book name contains the string "Island" within the name, the book ranking is boosted by 2 (see @Boost in repository method) 71 | // Book with ID 07 is the only book which name does not contain "Island" so it should be ranked last 72 | assertEquals("07", books.get(4).getId()); 73 | } 74 | 75 | 76 | @Test 77 | public void findByNameAndFacetOnCategories() { 78 | FacetPage booksFacetPage = bookRepository.findByNameAndFacetOnCategories("Island", new PageRequest(0, 2)); 79 | 80 | // There are 4 books which contain "Island" in their name. However, only the first 2 books are returned because 81 | // a page with size 2 is requested. The next two books could be requested using "new PageRequest(1, 2)" 82 | 83 | assertEquals(2, booksFacetPage.getNumberOfElements()); 84 | 85 | // 3 of these 4 books are categorized as Adventure 86 | // 2 of these 4 books are categorized as Humor 87 | // 1 of these 4 books is categorized as Romance 88 | Map categoryFacetCounts = getCategoryFacetCounts(booksFacetPage); 89 | assertEquals(new Long(3), categoryFacetCounts.get(ADVENTURE)); 90 | assertEquals(new Long(2), categoryFacetCounts.get(HUMOR)); 91 | assertEquals(new Long(1), categoryFacetCounts.get(ROMANCE)); 92 | } 93 | 94 | 95 | @Test 96 | public void findByDescription() { 97 | HighlightPage booksHighlightPage = bookRepository.findByDescription("cookies", new PageRequest(0, 10)); 98 | booksHighlightPage.getContent(); 99 | assertTrue(containsSnipplet(booksHighlightPage, "How to handle cookies in web applications")); 100 | assertTrue(containsSnipplet(booksHighlightPage, "Bake your own cookies, on a secret island!")); 101 | } 102 | 103 | 104 | private boolean containsSnipplet(HighlightPage booksHighlightPage, String snippletToCheck) { 105 | for (HighlightEntry he : booksHighlightPage.getHighlighted()) { 106 | // A HighlightEntry belongs to an Entity (Book) and may have multiple highlighted fields (description) 107 | for (Highlight highlight : he.getHighlights()) { 108 | for (String snipplet : highlight.getSnipplets()) { 109 | 110 | if (snipplet.equals(snippletToCheck)) { 111 | return true; 112 | } 113 | } 114 | } 115 | } 116 | return false; 117 | } 118 | 119 | 120 | private void createSampleData() { 121 | if (bookRepository.findOne("01") != null) { 122 | System.out.println("Not adding test data to solr index. Data already exists"); 123 | return; 124 | } 125 | addBookToIndex("01", "Treasure Island", "Best seller by R.L.S.", ADVENTURE); 126 | addBookToIndex("02", "Treasure Island 2.0", "Humorous remake of the famous best seller", ADVENTURE, HUMOR); 127 | addBookToIndex("03", "Solr for dummies", "Get started with solr", EDUCATION, HUMOR, TECHNOLOGY); 128 | addBookToIndex("04", "Moon landing", "All facts about Apollo 11, a best seller", HISTORY, EDUCATION); 129 | addBookToIndex("05", "Spring Island", "The perfect island romance..", ROMANCE); 130 | addBookToIndex("06", "Refactoring", "It's about improving the design of existing code.", TECHNOLOGY); 131 | addBookToIndex("07", "Baking for dummies", "Bake your own cookies, on a secret island!", EDUCATION, HUMOR); 132 | addBookToIndex("08", "The Pirate Island", "Oh noes, the pirates are coming!", ADVENTURE, HUMOR); 133 | addBookToIndex("09", "Blackbeard", "It's the pirate Edward Teach!", ADVENTURE, HISTORY); 134 | addBookToIndex("10", "Handling Cookies", "How to handle cookies in web applications", TECHNOLOGY); 135 | } 136 | 137 | 138 | private void addBookToIndex(String id, String name, String description, Category... categories) { 139 | Book book = new Book(); 140 | book.setName(name); 141 | book.setDescription(description); 142 | book.setCategories(Arrays.asList(categories)); 143 | book.setId(id); 144 | bookRepository.save(book); 145 | System.out.println("Added book with id " + id + " to index"); 146 | } 147 | 148 | 149 | private Map getCategoryFacetCounts(FacetPage booksFacetPage) { 150 | Map facetCounts = new HashMap(); 151 | for (Page p : booksFacetPage.getAllFacets()) { 152 | for (FacetEntry facetEntry : p.getContent()) { 153 | Category category = Category.valueOf(facetEntry.getValue().toUpperCase()); 154 | facetCounts.put(category, facetEntry.getValueCount()); 155 | } 156 | } 157 | return facetCounts; 158 | } 159 | 160 | 161 | private boolean containsBooksWithIds(List books, String... idsToCheck) { 162 | String[] bookIds = new String[books.size()]; 163 | for (int i = 0; i < books.size(); i++) { 164 | bookIds[i] = books.get(i).getId(); 165 | } 166 | Arrays.sort(bookIds); 167 | Arrays.sort(idsToCheck); 168 | return Arrays.equals(bookIds, idsToCheck); 169 | } 170 | 171 | } 172 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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