diff --git a/apache-geode/src/test/java/com/baeldung/geode/GeodeSamplesIntegrationTest.java b/apache-geode/src/test/java/com/baeldung/geode/GeodeSamplesLiveTest.java similarity index 98% rename from apache-geode/src/test/java/com/baeldung/geode/GeodeSamplesIntegrationTest.java rename to apache-geode/src/test/java/com/baeldung/geode/GeodeSamplesLiveTest.java index b96d2c9b6a..359568db98 100644 --- a/apache-geode/src/test/java/com/baeldung/geode/GeodeSamplesIntegrationTest.java +++ b/apache-geode/src/test/java/com/baeldung/geode/GeodeSamplesLiveTest.java @@ -21,7 +21,7 @@ import java.util.stream.Stream; import static org.junit.Assert.assertEquals; -public class GeodeSamplesIntegrationTest { +public class GeodeSamplesLiveTest { ClientCache cache = null; Region region = null; diff --git a/apache-olingo/README.md b/apache-olingo/README.md new file mode 100644 index 0000000000..bfbdc97700 --- /dev/null +++ b/apache-olingo/README.md @@ -0,0 +1,3 @@ +## Relevant articles: + +- [OData Protocol Guide](https://www.baeldung.com/odata) diff --git a/core-java-modules/core-java-9/README.md b/core-java-modules/core-java-9/README.md index 5715520bae..8b52ce79b4 100644 --- a/core-java-modules/core-java-9/README.md +++ b/core-java-modules/core-java-9/README.md @@ -28,6 +28,6 @@ - [Java 9 Convenience Factory Methods for Collections](https://www.baeldung.com/java-9-collections-factory-methods) - [Java 9 Stream API Improvements](https://www.baeldung.com/java-9-stream-api) - [A Guide to Java 9 Modularity](https://www.baeldung.com/java-9-modularity) -- [Java 9 Platform Module API](https://www.baeldung.com/java-9-module-api) +- [Java 9 java.lang.Module API](https://www.baeldung.com/java-9-module-api) - [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api) - [Filtering a Stream of Optionals in Java](https://www.baeldung.com/java-filter-stream-of-optional) diff --git a/core-java-modules/core-java-lambdas/README.md b/core-java-modules/core-java-lambdas/README.md new file mode 100644 index 0000000000..10b876735e --- /dev/null +++ b/core-java-modules/core-java-lambdas/README.md @@ -0,0 +1,3 @@ +## Relevant articles: + +- [Why Do Local Variables Used in Lambdas Have to Be Final or Effectively Final?](https://www.baeldung.com/java-lambda-effectively-final-local-variables) diff --git a/core-java-modules/core-java/src/main/java/com/baeldung/README.md b/core-java-modules/core-java/src/main/java/com/baeldung/README.md deleted file mode 100644 index 7d843af9ea..0000000000 --- a/core-java-modules/core-java/src/main/java/com/baeldung/README.md +++ /dev/null @@ -1 +0,0 @@ -### Relevant Articles: diff --git a/core-java-modules/core-java/src/main/java/com/baeldung/graph/Graph.java b/core-java-modules/core-java/src/main/java/com/baeldung/graph/Graph.java index 3f2e17c43c..58713b1b3f 100644 --- a/core-java-modules/core-java/src/main/java/com/baeldung/graph/Graph.java +++ b/core-java-modules/core-java/src/main/java/com/baeldung/graph/Graph.java @@ -19,7 +19,7 @@ public class Graph { void removeVertex(String label) { Vertex v = new Vertex(label); - adjVertices.values().stream().map(e -> e.remove(v)).collect(Collectors.toList()); + adjVertices.values().stream().forEach(e -> e.remove(v)); adjVertices.remove(new Vertex(label)); } diff --git a/core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphTraversalUnitTest.java b/core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphUnitTest.java similarity index 61% rename from core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphTraversalUnitTest.java rename to core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphUnitTest.java index d955d56d95..68611e508b 100644 --- a/core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphTraversalUnitTest.java +++ b/core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphUnitTest.java @@ -1,20 +1,31 @@ package com.baeldung.graph; -import org.junit.Assert; +import static org.junit.Assert.assertEquals; import org.junit.Test; -public class GraphTraversalUnitTest { +public class GraphUnitTest { @Test public void givenAGraph_whenTraversingDepthFirst_thenExpectedResult() { Graph graph = createGraph(); - Assert.assertEquals("[Bob, Rob, Maria, Alice, Mark]", + assertEquals("[Bob, Rob, Maria, Alice, Mark]", GraphTraversal.depthFirstTraversal(graph, "Bob").toString()); } @Test public void givenAGraph_whenTraversingBreadthFirst_thenExpectedResult() { Graph graph = createGraph(); - Assert.assertEquals("[Bob, Alice, Rob, Mark, Maria]", + assertEquals("[Bob, Alice, Rob, Mark, Maria]", + GraphTraversal.breadthFirstTraversal(graph, "Bob").toString()); + } + + @Test + public void givenAGraph_whenRemoveVertex_thenVertedNotFound() { + Graph graph = createGraph(); + assertEquals("[Bob, Alice, Rob, Mark, Maria]", + GraphTraversal.breadthFirstTraversal(graph, "Bob").toString()); + + graph.removeVertex("Maria"); + assertEquals("[Bob, Alice, Rob, Mark]", GraphTraversal.breadthFirstTraversal(graph, "Bob").toString()); } diff --git a/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/Document.kt b/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/Document.kt index f66f8fbae0..55f60bfa81 100644 --- a/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/Document.kt +++ b/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/Document.kt @@ -9,19 +9,3 @@ interface Document { fun getType() = "document" } - -class TextDocument : Document { - override fun getType() = "text" - - fun transformList(list : List) : List { - return list.filter { n -> n.toInt() > 1 } - } - - fun transformListInverseWildcards(list : List<@JvmSuppressWildcards Number>) : List<@JvmWildcard Number> { - return list.filter { n -> n.toInt() > 1 } - } - - var list : List<@JvmWildcard Any> = ArrayList() -} - -class XmlDocument(d : Document) : Document by d diff --git a/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/TextDocument.kt b/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/TextDocument.kt new file mode 100644 index 0000000000..41cb0df939 --- /dev/null +++ b/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/TextDocument.kt @@ -0,0 +1,16 @@ +package com.baeldung.jvmannotations + +import java.util.* +class TextDocument : Document { + override fun getType() = "text" + + fun transformList(list : List) : List { + return list.filter { n -> n.toInt() > 1 } + } + + fun transformListInverseWildcards(list : List<@JvmSuppressWildcards Number>) : List<@JvmWildcard Number> { + return list.filter { n -> n.toInt() > 1 } + } + + var list : List<@JvmWildcard Any> = ArrayList() +} diff --git a/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/XmlDocument.kt b/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/XmlDocument.kt new file mode 100644 index 0000000000..00f2582d5f --- /dev/null +++ b/core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/XmlDocument.kt @@ -0,0 +1,5 @@ +package com.baeldung.jvmannotations + +import java.util.* + +class XmlDocument(d : Document) : Document by d diff --git a/core-kotlin-2/src/test/kotlin/com/baeldung/range/DocumentTest.kt b/core-kotlin-2/src/test/kotlin/com/baeldung/range/DocumentTest.kt index 449e009104..2ec5402e5a 100644 --- a/core-kotlin-2/src/test/kotlin/com/baeldung/range/DocumentTest.kt +++ b/core-kotlin-2/src/test/kotlin/com/baeldung/range/DocumentTest.kt @@ -3,6 +3,8 @@ package com.baeldung.range import org.junit.Test import kotlin.test.assertEquals +import com.baeldung.jvmannotations.*; + class DocumentTest { @Test diff --git a/java-collections-conversions/src/main/java/com/baeldung/convertToMap/Book.java b/java-collections-conversions/src/main/java/com/baeldung/convertToMap/Book.java new file mode 100644 index 0000000000..847e0bd8cd --- /dev/null +++ b/java-collections-conversions/src/main/java/com/baeldung/convertToMap/Book.java @@ -0,0 +1,48 @@ +package com.baeldung.convertToMap; + +public class Book { + private String name; + private int releaseYear; + private String isbn; + + + @Override + public String toString() { + return "Book{" + + "name='" + name + '\'' + + ", releaseYear=" + releaseYear + + ", isbn='" + isbn + '\'' + + '}'; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public int getReleaseYear() { + return releaseYear; + } + + public void setReleaseYear(int releaseYear) { + this.releaseYear = releaseYear; + } + + public String getIsbn() { + return isbn; + } + + public void setIsbn(String isbn) { + this.isbn = isbn; + } + + public Book(String name, int releaseYear, String isbn) { + this.name = name; + this.releaseYear = releaseYear; + this.isbn = isbn; + } +} + diff --git a/java-collections-conversions/src/main/java/com/baeldung/convertToMap/ConvertToMap.java b/java-collections-conversions/src/main/java/com/baeldung/convertToMap/ConvertToMap.java new file mode 100644 index 0000000000..3c14dfdba6 --- /dev/null +++ b/java-collections-conversions/src/main/java/com/baeldung/convertToMap/ConvertToMap.java @@ -0,0 +1,34 @@ +package com.baeldung.convertToMap; + +import java.util.*; +import java.util.concurrent.ConcurrentHashMap; +import java.util.function.Function; +import java.util.stream.Collectors; + +public class ConvertToMap { + public Map listToMap(List books) { + return books.stream().collect(Collectors.toMap(Book::getIsbn, Book::getName)); + } + + public Map listToMapWithDupKeyError(List books) { + return books.stream().collect(Collectors.toMap(Book::getReleaseYear, Function.identity())); + } + + public Map listToMapWithDupKey(List books) { + return books.stream().collect(Collectors.toMap(Book::getReleaseYear, Function.identity(), + (o1, o2) -> o1)); + } + + public Map listToConcurrentMap(List books) { + return books.stream().collect(Collectors.toMap(Book::getReleaseYear, Function.identity(), (o1, o2) -> o1, ConcurrentHashMap::new)); + } + + public TreeMap listToSortedMap(List books) { + return books.stream() + .sorted(Comparator.comparing(Book::getName)) + .collect(Collectors.toMap(Book::getName, Function.identity(), (o1, o2) -> o1, TreeMap::new)); + } + + +} + diff --git a/java-collections-conversions/src/test/java/com/baeldung/convertToMap/ConvertToMapUnitTest.java b/java-collections-conversions/src/test/java/com/baeldung/convertToMap/ConvertToMapUnitTest.java new file mode 100644 index 0000000000..d11221bbf7 --- /dev/null +++ b/java-collections-conversions/src/test/java/com/baeldung/convertToMap/ConvertToMapUnitTest.java @@ -0,0 +1,50 @@ +package com.baeldung.convertToMap; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.ConcurrentHashMap; + +import static org.junit.Assert.*; + +import org.junit.Before; +import org.junit.Test; + + +public class ConvertToMapUnitTest { + + private List bookList; + private ConvertToMap convertToMap = new ConvertToMap(); + + @Before + public void init() { + bookList = new ArrayList<>(); + bookList.add(new Book("The Fellowship of the Ring", 1954, "0395489318")); + bookList.add(new Book("The Two Towers", 1954, "0345339711")); + bookList.add(new Book("The Return of the King", 1955, "0618129111")); + } + + @Test + public void whenConvertFromListToMap() { + assertTrue(convertToMap.listToMap(bookList).size() == 3); + } + + @Test(expected = IllegalStateException.class) + public void whenMapHasDuplicateKey_without_merge_function_then_runtime_exception() { + convertToMap.listToMapWithDupKeyError(bookList); + } + + @Test + public void whenMapHasDuplicateKey_with_merge_function() { + assertTrue(convertToMap.listToMapWithDupKey(bookList).size() == 2); + } + + @Test + public void whenCreateConcurrentHashMap() { + assertTrue(convertToMap.listToConcurrentMap(bookList) instanceof ConcurrentHashMap); + } + + @Test + public void whenMapisSorted() { + assertTrue(convertToMap.listToSortedMap(bookList).firstKey().equals("The Fellowship of the Ring")); + } +} diff --git a/maven/README.md b/maven/README.md index ca648ec203..6d1a7081b7 100644 --- a/maven/README.md +++ b/maven/README.md @@ -16,3 +16,4 @@ - [Multi-Module Project with Maven](https://www.baeldung.com/maven-multi-module) - [Maven Enforcer Plugin](https://www.baeldung.com/maven-enforcer-plugin) - [Eclipse Error: web.xml is missing and failOnMissingWebXml is set to true](https://www.baeldung.com/eclipse-error-web-xml-missing) +- [Guide to Maven Profiles](https://www.baeldung.com/maven-profiles) diff --git a/persistence-modules/java-jpa/README.md b/persistence-modules/java-jpa/README.md index 34d03b3259..ca9ec0d74d 100644 --- a/persistence-modules/java-jpa/README.md +++ b/persistence-modules/java-jpa/README.md @@ -8,3 +8,6 @@ - [Converting Between LocalDate and SQL Date](https://www.baeldung.com/java-convert-localdate-sql-date) - [Combining JPA And/Or Criteria Predicates](https://www.baeldung.com/jpa-and-or-criteria-predicates) - [Types of JPA Queries](https://www.baeldung.com/jpa-queries) +- [Defining JPA Entities](https://www.baeldung.com/jpa-entities) +- [JPA @Basic Annotation](https://www.baeldung.com/jpa-basic-annotation) +- [Default Column Values in JPA](https://www.baeldung.com/jpa-default-column-values) diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/Account.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/Account.java new file mode 100644 index 0000000000..48a98512fa --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/Account.java @@ -0,0 +1,43 @@ +package com.baeldung.jpa.entity; + +import javax.persistence.Entity; +import javax.persistence.Id; +import javax.persistence.IdClass; + +@Entity +@IdClass(AccountId.class) +public class Account { + + @Id + private String accountNumber; + + @Id + private String accountType; + + private String description; + + public String getAccountNumber() { + return accountNumber; + } + + public void setAccountNumber(String accountNumber) { + this.accountNumber = accountNumber; + } + + public String getAccountType() { + return accountType; + } + + public void setAccountType(String accountType) { + this.accountType = accountType; + } + + public String getDescription() { + return description; + } + + public void setDescription(String description) { + this.description = description; + } + +} diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/AccountId.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/AccountId.java new file mode 100644 index 0000000000..091c326367 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/AccountId.java @@ -0,0 +1,52 @@ +package com.baeldung.jpa.entity; + +import java.io.Serializable; + +public class AccountId implements Serializable { + + private static final long serialVersionUID = 1L; + + private String accountNumber; + private String accountType; + + public AccountId() { + + } + + public AccountId(String accountNumber, String accountType) { + this.accountNumber = accountNumber; + this.accountType = accountType; + } + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + ((accountNumber == null) ? 0 : accountNumber.hashCode()); + result = prime * result + ((accountType == null) ? 0 : accountType.hashCode()); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) + return true; + if (obj == null) + return false; + if (getClass() != obj.getClass()) + return false; + AccountId other = (AccountId) obj; + if (accountNumber == null) { + if (other.accountNumber != null) + return false; + } else if (!accountNumber.equals(other.accountNumber)) + return false; + if (accountType == null) { + if (other.accountType != null) + return false; + } else if (!accountType.equals(other.accountType)) + return false; + return true; + } + +} diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/Book.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/Book.java new file mode 100644 index 0000000000..460f302e28 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/Book.java @@ -0,0 +1,34 @@ +package com.baeldung.jpa.entity; + +import javax.persistence.EmbeddedId; +import javax.persistence.Entity; + +@Entity +public class Book { + + @EmbeddedId + private BookId bookId; + + private String description; + + public Book() { + + } + + public Book(BookId bookId) { + this.bookId = bookId; + } + + public BookId getBookId() { + return bookId; + } + + public String getDescription() { + return description; + } + + public void setDescription(String description) { + this.description = description; + } + +} diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/BookId.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/BookId.java new file mode 100644 index 0000000000..ff587beaf2 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/entity/BookId.java @@ -0,0 +1,62 @@ +package com.baeldung.jpa.entity; + +import java.io.Serializable; + +import javax.persistence.Embeddable; + +@Embeddable +public class BookId implements Serializable { + + private static final long serialVersionUID = 1L; + private String title; + private String language; + + public BookId() { + + } + + public BookId(String title, String language) { + this.title = title; + this.language = language; + } + + public String getTitle() { + return title; + } + + public String getLanguage() { + return language; + } + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + ((language == null) ? 0 : language.hashCode()); + result = prime * result + ((title == null) ? 0 : title.hashCode()); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) + return true; + if (obj == null) + return false; + if (getClass() != obj.getClass()) + return false; + BookId other = (BookId) obj; + if (language == null) { + if (other.language != null) + return false; + } else if (!language.equals(other.language)) + return false; + if (title == null) { + if (other.title != null) + return false; + } else if (!title.equals(other.title)) + return false; + return true; + } + +} diff --git a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml index 298397e39d..fc3ff05255 100644 --- a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml +++ b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml @@ -1,183 +1,226 @@ + version="2.2"> - - org.hibernate.jpa.HibernatePersistenceProvider - com.baeldung.sqlresultsetmapping.ScheduledDay - com.baeldung.sqlresultsetmapping.Employee - true - - - - - - - - - - - + + org.hibernate.jpa.HibernatePersistenceProvider + com.baeldung.sqlresultsetmapping.ScheduledDay + com.baeldung.sqlresultsetmapping.Employee + true + + + + + + + + + + + - - org.hibernate.jpa.HibernatePersistenceProvider - com.baeldung.jpa.stringcast.Message - com.baeldung.jpa.enums.Article - com.baeldung.jpa.enums.CategoryConverter - true - - - - - - - - - - - + + org.hibernate.jpa.HibernatePersistenceProvider + com.baeldung.jpa.stringcast.Message + com.baeldung.jpa.enums.Article + com.baeldung.jpa.enums.CategoryConverter + true + + + + + + + + + + + - - org.hibernate.jpa.HibernatePersistenceProvider - com.baeldung.jpa.model.Car - true - - - - - - - - - + + org.hibernate.jpa.HibernatePersistenceProvider + com.baeldung.jpa.model.Car + true + + + + + + + + + - - com.baeldung.jpa.entitygraph.model.Post - com.baeldung.jpa.entitygraph.model.User - com.baeldung.jpa.entitygraph.model.Comment - true - + + com.baeldung.jpa.entitygraph.model.Post + com.baeldung.jpa.entitygraph.model.User + com.baeldung.jpa.entitygraph.model.Comment + true + - - - + + + - - - - + + + + - - org.eclipse.persistence.jpa.PersistenceProvider - com.baeldung.jpa.datetime.JPA22DateTimeEntity - true - - - - - - + + org.eclipse.persistence.jpa.PersistenceProvider + com.baeldung.jpa.datetime.JPA22DateTimeEntity + true + + + + + + - - - - - - + + + + + + - - org.hibernate.jpa.HibernatePersistenceProvider - com.baeldung.jpa.criteria.entity.Item - true - - - - - - - - - - - - + + org.hibernate.jpa.HibernatePersistenceProvider + com.baeldung.jpa.criteria.entity.Item + true + + + + + + + + + + + + - - org.hibernate.jpa.HibernatePersistenceProvider - com.baeldung.jpa.querytypes.UserEntity - true - - - - - - - - - - - - + + org.hibernate.jpa.HibernatePersistenceProvider + com.baeldung.jpa.querytypes.UserEntity + true + + + + + + + + + + + + - - org.hibernate.jpa.HibernatePersistenceProvider - com.baeldung.jpa.defaultvalues.User - true - - - - - - - - - - - - - - org.hibernate.jpa.HibernatePersistenceProvider - com.baeldung.jpa.entity.Student - true - - - - - - - - - - - + + org.hibernate.jpa.HibernatePersistenceProvider + com.baeldung.jpa.defaultvalues.User + true + + + + + + + + + + + - - org.hibernate.jpa.HibernatePersistenceProvider - com.baeldung.jpa.projections.Product - true - - - - - - - - - - - - + + org.hibernate.jpa.HibernatePersistenceProvider + com.baeldung.jpa.entity.Student + com.baeldung.jpa.entity.Book + com.baeldung.jpa.entity.BookId + com.baeldung.jpa.entity.Account + com.baeldung.jpa.entity.AccountId + true + + + + + + + + + + + + + + org.hibernate.jpa.HibernatePersistenceProvider + com.baeldung.jpa.projections.Product + true + + + + + + + + + + + + \ No newline at end of file diff --git a/persistence-modules/java-jpa/src/test/java/com/baeldung/jpa/entity/CompositeKeysIntegrationTest.java b/persistence-modules/java-jpa/src/test/java/com/baeldung/jpa/entity/CompositeKeysIntegrationTest.java new file mode 100644 index 0000000000..2d30ebab5e --- /dev/null +++ b/persistence-modules/java-jpa/src/test/java/com/baeldung/jpa/entity/CompositeKeysIntegrationTest.java @@ -0,0 +1,114 @@ +package com.baeldung.jpa.entity; + +import static org.junit.Assert.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertEquals; + +import javax.persistence.EntityManager; +import javax.persistence.EntityManagerFactory; +import javax.persistence.Persistence; + +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.Test; + +public class CompositeKeysIntegrationTest { + + private static final String SAVINGS_ACCOUNT = "Savings"; + private static final String ACCOUNT_NUMBER = "JXSDF324234"; + private static final String ENGLISH = "English"; + private static final String WAR_AND_PEACE = "War and Peace"; + + private static EntityManagerFactory emf; + private static EntityManager em; + + @BeforeClass + public static void setup() { + emf = Persistence.createEntityManagerFactory("jpa-entity-definition"); + em = emf.createEntityManager(); + } + + @Test + public void persistBookWithCompositeKeyThenRetrieveDetails() { + Book warAndPeace = createBook(); + persist(warAndPeace); + clearThePersistenceContext(); + Book book = findBookByBookId(); + verifyAssertionsWith(book); + } + + @Test + public void persistAccountWithCompositeKeyThenRetrieveDetails() { + Account savingsAccount = createAccount(); + persist(savingsAccount); + clearThePersistenceContext(); + Account account = findAccountByAccountId(); + verifyAssertionsWith(account); + } + + @AfterClass + public static void destroy() { + if (em != null) { + em.close(); + } + if (emf != null) { + emf.close(); + } + } + + private Account createAccount() { + Account savingsAccount = new Account(); + savingsAccount.setAccountNumber(ACCOUNT_NUMBER); + savingsAccount.setAccountType(SAVINGS_ACCOUNT); + savingsAccount.setDescription("Savings account"); + return savingsAccount; + } + + private void verifyAssertionsWith(Account account) { + assertEquals(ACCOUNT_NUMBER, account.getAccountNumber()); + assertEquals(SAVINGS_ACCOUNT, account.getAccountType()); + } + + private Account findAccountByAccountId() { + return em.find(Account.class, new AccountId(ACCOUNT_NUMBER, SAVINGS_ACCOUNT)); + } + + private void persist(Account account) { + em.getTransaction() + .begin(); + em.persist(account); + em.getTransaction() + .commit(); + } + + private Book findBookByBookId() { + return em.find(Book.class, new BookId(WAR_AND_PEACE, ENGLISH)); + } + + private Book createBook() { + BookId bookId = new BookId(WAR_AND_PEACE, ENGLISH); + Book warAndPeace = new Book(bookId); + warAndPeace.setDescription("Novel and Historical Fiction"); + return warAndPeace; + } + + private void verifyAssertionsWith(Book book) { + assertNotNull(book); + assertNotNull(book.getBookId()); + assertEquals(WAR_AND_PEACE, book.getBookId() + .getTitle()); + assertEquals(ENGLISH, book.getBookId() + .getLanguage()); + } + + private void persist(Book book) { + em.getTransaction() + .begin(); + em.persist(book); + em.getTransaction() + .commit(); + } + + private void clearThePersistenceContext() { + em.clear(); + } +} diff --git a/persistence-modules/java-mongodb/src/test/java/com/baeldung/AppIntegrationTest.java b/persistence-modules/java-mongodb/src/test/java/com/baeldung/AppLiveTest.java similarity index 98% rename from persistence-modules/java-mongodb/src/test/java/com/baeldung/AppIntegrationTest.java rename to persistence-modules/java-mongodb/src/test/java/com/baeldung/AppLiveTest.java index 94d1a01492..7692a37d03 100644 --- a/persistence-modules/java-mongodb/src/test/java/com/baeldung/AppIntegrationTest.java +++ b/persistence-modules/java-mongodb/src/test/java/com/baeldung/AppLiveTest.java @@ -19,7 +19,7 @@ import de.flapdoodle.embedmongo.config.MongodConfig; import de.flapdoodle.embedmongo.distribution.Version; import de.flapdoodle.embedmongo.runtime.Network; -public class AppIntegrationTest { +public class AppLiveTest { private static final String DB_NAME = "myMongoDb"; private MongodExecutable mongodExe; diff --git a/persistence-modules/java-mongodb/src/test/java/com/baeldung/geo/MongoGeospatialLiveTest.java b/persistence-modules/java-mongodb/src/test/java/com/baeldung/geo/MongoGeospatialLiveTest.java new file mode 100644 index 0000000000..6e5a56491b --- /dev/null +++ b/persistence-modules/java-mongodb/src/test/java/com/baeldung/geo/MongoGeospatialLiveTest.java @@ -0,0 +1,110 @@ +package com.baeldung.geo; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +import org.bson.Document; +import org.junit.Before; +import org.junit.Test; + +import com.mongodb.MongoClient; +import com.mongodb.client.FindIterable; +import com.mongodb.client.MongoCollection; +import com.mongodb.client.MongoDatabase; +import com.mongodb.client.model.Filters; +import com.mongodb.client.model.Indexes; +import com.mongodb.client.model.geojson.Point; +import com.mongodb.client.model.geojson.Polygon; +import com.mongodb.client.model.geojson.Position; + +public class MongoGeospatialLiveTest { + + private MongoClient mongoClient; + private MongoDatabase db; + private MongoCollection collection; + + @Before + public void setup() { + if (mongoClient == null) { + mongoClient = new MongoClient(); + db = mongoClient.getDatabase("myMongoDb"); + collection = db.getCollection("places"); + collection.deleteMany(new Document()); + collection.createIndex(Indexes.geo2dsphere("location")); + collection.insertOne(Document.parse("{'name':'Big Ben','location': {'coordinates':[-0.1268194,51.5007292],'type':'Point'}}")); + collection.insertOne(Document.parse("{'name':'Hyde Park','location': {'coordinates': [[[-0.159381,51.513126],[-0.189615,51.509928],[-0.187373,51.502442], [-0.153019,51.503464],[-0.159381,51.513126]]],'type':'Polygon'}}")); + } + } + + @Test + public void givenNearbyLocation_whenSearchNearby_thenFound() { + Point currentLoc = new Point(new Position(-0.126821, 51.495885)); + FindIterable result = collection.find(Filters.near("location", currentLoc, 1000.0, 10.0)); + + assertNotNull(result.first()); + assertEquals("Big Ben", result.first().get("name")); + } + + @Test + public void givenFarLocation_whenSearchNearby_thenNotFound() { + Point currentLoc = new Point(new Position(-0.5243333, 51.4700223)); + FindIterable result = collection.find(Filters.near("location", currentLoc, 5000.0, 10.0)); + + assertNull(result.first()); + } + + @Test + public void givenNearbyLocation_whenSearchWithinCircleSphere_thenFound() { + double distanceInRad = 5.0 / 6371; + FindIterable result = collection.find(Filters.geoWithinCenterSphere("location", -0.1435083, 51.4990956, distanceInRad)); + + assertNotNull(result.first()); + assertEquals("Big Ben", result.first().get("name")); + } + + @Test + public void givenNearbyLocation_whenSearchWithinBox_thenFound() { + double lowerLeftX = -0.1427638; + double lowerLeftY = 51.4991288; + double upperRightX = -0.1256209; + double upperRightY = 51.5030272; + + FindIterable result = collection.find(Filters.geoWithinBox("location", lowerLeftX, lowerLeftY, upperRightX, upperRightY)); + + assertNotNull(result.first()); + assertEquals("Big Ben", result.first().get("name")); + } + + @Test + public void givenNearbyLocation_whenSearchWithinPolygon_thenFound() { + ArrayList> points = new ArrayList>(); + points.add(Arrays.asList(-0.1439, 51.4952)); // victoria station + points.add(Arrays.asList(-0.1121, 51.4989));// Lambeth North + points.add(Arrays.asList(-0.13, 51.5163));// Tottenham Court Road + points.add(Arrays.asList(-0.1439, 51.4952)); // victoria station + FindIterable result = collection.find(Filters.geoWithinPolygon("location", points)); + + assertNotNull(result.first()); + assertEquals("Big Ben", result.first().get("name")); + } + + @Test + public void givenNearbyLocation_whenSearchUsingIntersect_thenFound() { + ArrayList positions = new ArrayList(); + positions.add(new Position(-0.1439, 51.4952)); + positions.add(new Position(-0.1346, 51.4978)); + positions.add(new Position(-0.2177, 51.5135)); + positions.add(new Position(-0.1439, 51.4952)); + Polygon geometry = new Polygon(positions); + FindIterable result = collection.find(Filters.geoIntersects("location", geometry)); + + assertNotNull(result.first()); + assertEquals("Hyde Park", result.first().get("name")); + } + +} diff --git a/persistence-modules/java-mongodb/src/test/java/com/baeldung/tagging/TaggingIntegrationTest.java b/persistence-modules/java-mongodb/src/test/java/com/baeldung/tagging/TaggingLiveTest.java similarity index 99% rename from persistence-modules/java-mongodb/src/test/java/com/baeldung/tagging/TaggingIntegrationTest.java rename to persistence-modules/java-mongodb/src/test/java/com/baeldung/tagging/TaggingLiveTest.java index ffb945e6d4..edd8e22775 100644 --- a/persistence-modules/java-mongodb/src/test/java/com/baeldung/tagging/TaggingIntegrationTest.java +++ b/persistence-modules/java-mongodb/src/test/java/com/baeldung/tagging/TaggingLiveTest.java @@ -16,7 +16,7 @@ import org.junit.Test; * @author Donato Rimenti * */ -public class TaggingIntegrationTest { +public class TaggingLiveTest { /** * Object to test. diff --git a/persistence-modules/spring-data-jpa-2/README.md b/persistence-modules/spring-data-jpa-2/README.md index e4381be0a9..6b73729f9a 100644 --- a/persistence-modules/spring-data-jpa-2/README.md +++ b/persistence-modules/spring-data-jpa-2/README.md @@ -12,4 +12,6 @@ - [Spring Data JPA Projections](https://www.baeldung.com/spring-data-jpa-projections) - [JPA @Embedded And @Embeddable](https://www.baeldung.com/jpa-embedded-embeddable) - [Spring Data JPA Delete and Relationships](https://www.baeldung.com/spring-data-jpa-delete) +- [Spring Data JPA and Named Entity Graphs](https://www.baeldung.com/spring-data-jpa-named-entity-graphs) +- [Batch Insert/Update with Hibernate/JPA](https://www.baeldung.com/jpa-hibernate-batch-insert-update) - [Difference Between save() and saveAndFlush() in Spring Data JPA](https://www.baeldung.com/spring-data-jpa-save-saveandflush) diff --git a/persistence-modules/spring-persistence-simple/README.md b/persistence-modules/spring-persistence-simple/README.md index c408ff3c96..8e55a59c7c 100644 --- a/persistence-modules/spring-persistence-simple/README.md +++ b/persistence-modules/spring-persistence-simple/README.md @@ -7,13 +7,12 @@ - [A Guide to JPA with Spring](https://www.baeldung.com/the-persistence-layer-with-spring-and-jpa) - [Bootstrapping Hibernate 5 with Spring](http://www.baeldung.com/hibernate-5-spring) - [The DAO with Spring and Hibernate](http://www.baeldung.com/persistence-layer-with-spring-and-hibernate) -- [DAO with Spring and Generics](https://www.baeldung.com/simplifying-the-data-access-layer-with-spring-and-java-generics) +- [Simplify the DAO with Spring and Java Generics](https://www.baeldung.com/simplifying-the-data-access-layer-with-spring-and-java-generics) - [Transactions with Spring and JPA](https://www.baeldung.com/transaction-configuration-with-jpa-and-spring) - [Introduction to Spring Data JPA](http://www.baeldung.com/the-persistence-layer-with-spring-data-jpa) - [Spring Data JPA @Query](http://www.baeldung.com/spring-data-jpa-query) - [Spring JDBC](https://www.baeldung.com/spring-jdbc-jdbctemplate) - ### Eclipse Config After importing the project into Eclipse, you may see the following error: "No persistence xml file found in project" diff --git a/quarkus/README.md b/quarkus/README.md new file mode 100644 index 0000000000..01009eab3e --- /dev/null +++ b/quarkus/README.md @@ -0,0 +1,3 @@ +## Relevant articles: + +- [Guide to QuarkusIO](hhttps://www.baeldung.com/quarkus-io)