Aggiunto l'esempio capitolo su Enterprise JavaBean

ejbdemo/ejbdemo.iml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="jpa" name="JPA">
+      <configuration>
+        <setting name="validation-enabled" value="true" />
+        <datasource-mapping />
+        <naming-strategy-map />
+        <deploymentDescriptor name="persistence.xml" url="file://$MODULE_DIR$/src/main/resources/META-INF/persistence.xml" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Maven: org.eclipse.persistence:org.eclipse.persistence.jpa:2.5.0" level="project" />
+    <orderEntry type="library" name="Maven: org.eclipse.persistence:javax.persistence:2.1.0" level="project" />
+    <orderEntry type="library" name="Maven: org.eclipse.persistence:org.eclipse.persistence.asm:2.5.0" level="project" />
+    <orderEntry type="library" name="Maven: org.eclipse.persistence:org.eclipse.persistence.antlr:2.5.0" level="project" />
+    <orderEntry type="library" name="Maven: org.eclipse.persistence:org.eclipse.persistence.jpa.jpql:2.5.0" level="project" />
+    <orderEntry type="library" name="Maven: org.eclipse.persistence:org.eclipse.persistence.core:2.5.0" level="project" />
+    <orderEntry type="library" name="Maven: org.hibernate.validator:hibernate-validator:6.0.16.Final" level="project" />
+    <orderEntry type="library" name="Maven: javax.validation:validation-api:2.0.1.Final" level="project" />
+    <orderEntry type="library" name="Maven: org.jboss.logging:jboss-logging:3.3.2.Final" level="project" />
+    <orderEntry type="library" name="Maven: com.fasterxml:classmate:1.3.4" level="project" />
+    <orderEntry type="library" name="Maven: org.glassfish:javax.el:3.0.1-b09" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.derby:derbyclient:10.9.1.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.apache.derby:derby:10.9.1.0" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.projectlombok:lombok:1.18.6" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.glassfish.main.extras:glassfish-embedded-all:4.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+  </component>
+</module>

ejbdemo/pom.xml

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>ejbdemo</artifactId>
+  <name>ejbdemo</name>
+
+  <parent>
+    <artifactId>jeedemo</artifactId>
+    <groupId>it.plague.jeedemo</groupId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>1.7</maven.compiler.source>
+    <maven.compiler.target>1.7</maven.compiler.target>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.eclipse.persistence</groupId>
+      <artifactId>org.eclipse.persistence.jpa</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.hibernate</groupId>
+      <artifactId>hibernate-validator</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.glassfish</groupId>
+      <artifactId>javax.el</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.derby</groupId>
+      <artifactId>derbyclient</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.derby</groupId>
+      <artifactId>derby</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.glassfish.main.extras</groupId>
+      <artifactId>glassfish-embedded-all</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.8.0</version>
+        <configuration>
+          <source>1.7</source>
+          <target>1.7</target>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-failsafe-plugin</artifactId>
+        <version>2.12.4</version>
+        <executions>
+          <execution>
+            <id>integration-test</id>
+            <goals>
+              <goal>integration-test</goal>
+              <goal>verify</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

ejbdemo/src/main/java/it/plague/jeedemo/Book.java

@@ -0,0 +1,35 @@
+package it.plague.jeedemo;
+
+import java.io.Serializable;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.NamedQuery;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Data
+@NoArgsConstructor
+@Builder
+@NamedQuery(name = "Book.findAll", query = "select b from Book b")
+public class Book implements Serializable {
+
+  @Id
+  @GeneratedValue
+  private Long id;
+  @NotNull
+  @Column(nullable = false)
+  private String title;
+  private Float price;
+  @Size(max = 2000)
+  @Column(length = 2000)
+  private String description;
+  private String isbn;
+  private Integer nbOfPage;
+  private Boolean illustrations;
+}

ejbdemo/src/main/java/it/plague/jeedemo/BookEJB.java

@@ -0,0 +1,39 @@
+package it.plague.jeedemo;
+
+import java.util.List;
+import javax.ejb.LocalBean;
+import javax.ejb.Stateless;
+import javax.inject.Inject;
+import javax.persistence.EntityManager;
+import javax.persistence.TypedQuery;
+import javax.validation.constraints.NotNull;
+
+@Stateless
+@LocalBean
+public class BookEJB implements BookEJBRemote {
+
+  @Inject
+  private EntityManager em;
+
+  @Override
+  public List<Book> findBooks() {
+    TypedQuery<Book> query = em.createNamedQuery("Book.findAll", Book.class);
+    return query.getResultList();
+  }
+
+  @Override
+  public @NotNull Book createBook(@NotNull Book book) {
+    em.persist(book);
+    return book;
+  }
+
+  @Override
+  public @NotNull Book updateBook(@NotNull Book book) {
+    return em.merge(book);
+  }
+
+  @Override
+  public void deleteBook(@NotNull Book book) {
+    em.remove(em.merge(book));
+  }
+}

ejbdemo/src/main/java/it/plague/jeedemo/BookEJBRemote.java

@@ -0,0 +1,16 @@
+package it.plague.jeedemo;
+
+import java.util.List;
+import javax.ejb.Remote;
+
+@Remote
+public interface BookEJBRemote {
+
+  List<Book> findBooks();
+
+  Book createBook(Book book);
+
+  void deleteBook(Book book);
+
+  Book updateBook(Book book);
+}

ejbdemo/src/main/java/it/plague/jeedemo/DatabasePopulator.java

@@ -0,0 +1,56 @@
+package it.plague.jeedemo;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.annotation.sql.DataSourceDefinition;
+import javax.ejb.Singleton;
+import javax.ejb.Startup;
+import javax.inject.Inject;
+
+
+@Startup
+@Singleton
+@DataSourceDefinition(
+    className = "org.apache.derby.jdbc.EmbeddedDataSource",
+    name = "java:global/jdbc/ejbdemoDS",
+    user = "app",
+    password = "app",
+    databaseName = "ejbdemo",
+    properties = {"connectionAttributes=;create=true"})
+public class DatabasePopulator {
+
+  @Inject
+  private BookEJB bookEJB;
+
+  private Book h2g2;
+  private Book lord;
+
+  @PostConstruct
+  private void populateDB() {
+    h2g2 = Book.builder()
+        .title("Beginning Java EE 7")
+        .price(35f)
+        .description("Great book")
+        .isbn("1-8763-9125-7")
+        .nbOfPage(605)
+        .illustrations(true)
+        .build();
+    lord = Book.builder()
+        .title("The Lord of the Rings")
+        .price(50.4f)
+        .description("SciFi")
+        .isbn("1-84023-742-2")
+        .nbOfPage(1216)
+        .illustrations(true)
+        .build();
+
+    bookEJB.createBook(h2g2);
+    bookEJB.createBook(lord);
+  }
+
+  @PreDestroy
+  private void clearDB() {
+    bookEJB.deleteBook(h2g2);
+    bookEJB.deleteBook(lord);
+  }
+}

ejbdemo/src/main/java/it/plague/jeedemo/DatabaseProducer.java

@@ -0,0 +1,12 @@
+package it.plague.jeedemo;
+
+import javax.enterprise.inject.Produces;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+public class DatabaseProducer {
+
+  @Produces
+  @PersistenceContext(unitName = "ejbdemoPU")
+  private EntityManager em;
+}

ejbdemo/src/main/resources/META-INF/beans.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans
+  xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
+                      http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd"
+  bean-discovery-mode="all">
+</beans>

ejbdemo/src/main/resources/META-INF/persistence.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<persistence version="2.1"
+  xmlns="http://xmlns.jcp.org/xml/ns/persistence"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
+
+  <persistence-unit name="ejbdemoPU" transaction-type="JTA">
+    <jta-data-source>java:global/jdbc/ejbdemoDS</jta-data-source>
+    <properties>
+      <property name="eclipselink.target-database" value="DERBY"/>
+      <property name="eclipselink.ddl-generation" value="drop-and-create-tables"/>
+      <property name="eclipselink.logging.level" value="ALL"/>
+    </properties>
+  </persistence-unit>
+
+</persistence>

ejbdemo/src/test/java/it/plague/jeedemo/BookEJBIT.java

@@ -0,0 +1,54 @@
+package it.plague.jeedemo;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
+import javax.ejb.embeddable.EJBContainer;
+import javax.naming.Context;
+import org.junit.Test;
+
+public class BookEJBIT {
+
+  @Test
+  public void shouldCreateABook() throws Exception {
+    Map<String, Object> properties = new HashMap<>();
+    properties.put(EJBContainer.MODULES, new File("target/classes"));
+    try (EJBContainer ec = EJBContainer.createEJBContainer(properties)) {
+      Context ctx = ec.getContext();
+
+      // Check JNDI dependencies (Datasource and EJBs)
+      assertNotNull(ctx.lookup("java:global/jdbc/ejbdemoDS"));
+      assertNotNull(ctx.lookup("java:global/classes/BookEJB!it.plague.jeedemo.BookEJBRemote"));
+      assertNotNull(ctx.lookup("java:global/classes/BookEJB!it.plague.jeedemo.BookEJB"));
+
+      // Looks up the EJB
+      BookEJB bookEJB = (BookEJB) ctx.lookup("java:global/classes/BookEJB!it.plague.jeedemo.BookEJB");
+
+      // Find all the books and makes sure there are two (inserted by the DBPopulator)
+      assertEquals(2, bookEJB.findBooks().size());
+
+      // Creates an instance of book;
+      Book book = Book.builder()
+          .title("H2G2")
+          .price(12.5f)
+          .description("Scifi book")
+          .isbn("1-24561-799-0")
+          .nbOfPage(354)
+          .illustrations(false)
+          .build();
+      book = bookEJB.createBook(book);
+      assertNotNull("ID should not be null", book.getId());
+
+      // Find all the books and makes sure is an extra one
+      assertEquals(3, bookEJB.findBooks().size());
+
+      // Removes the created book
+      bookEJB.deleteBook(book);
+
+      // Finds all the books and makes sure there is one less
+      assertEquals(2, bookEJB.findBooks().size());
+    }
+  }
+}

pom.xml

@@ -12,6 +12,7 @@
     <module>cdidemo</module>
     <module>beanvalidationdemo</module>
     <module>jpademo</module>
+    <module>ejbdemo</module>
   </modules>
 
   <dependencyManagement>
@@ -47,6 +48,12 @@
         <artifactId>derbyclient</artifactId>
         <version>10.9.1.0</version>
       </dependency>
+      <dependency>
+        <groupId>org.glassfish.main.extras</groupId>
+        <artifactId>glassfish-embedded-all</artifactId>
+        <version>4.0</version>
+        <scope>provided</scope>
+      </dependency>
       <dependency>
         <groupId>org.apache.derby</groupId>
         <artifactId>derby</artifactId>