Just one persistence unit

Test parameters programmatically supplied

Sda2/P/forum_1/src/main/java/de/hdm_stuttgart/mi/sda2/forum/MyLogin.java

@@ -69,7 +69,7 @@ public class MyLogin extends CustomComponent implements View {
 		// Entering a valid username should enable our login button
 		usernameField.setImmediate(true);
 		
-		usernameField.addValidator(new RegexpValidator("[a-zA-Z0-9]+",
+		usernameField.addValidator(new RegexpValidator("[@a-zA-Z0-9]+",
 				"Username must contain only letters and digits e.g. 'trustix'"));
 		
 		usernameField.addValueChangeListener((ValueChangeListener & Serializable) event -> 

Sda2/P/forum_1/src/main/java/de/hdm_stuttgart/mi/sda2/forum/domain/Forum.java

+package de.hdm_stuttgart.mi.sda2.forum.domain;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+
+@Entity
+public class Forum {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    
+    @NotNull
+	@Column(unique=true, nullable=false)
+	@Size(min=1)
+    String title;
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public String getTitle() {
+		return title;
+	}
+
+	public void setTitle(String title) {
+		this.title = title;
+	}
+
+	public Forum(){}
+
+	public Forum(String title){ setTitle(title);}
+	
+}

Sda2/P/forum_1/src/main/java/de/hdm_stuttgart/mi/sda2/forum/domain/Subscription.java

+package de.hdm_stuttgart.mi.sda2.forum.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.IdClass;
+import javax.persistence.ManyToOne;
+
+@Entity
+@IdClass(UserForumAssocId.class)
+public class Subscription {
+
+	@Id
+	private long userId;
+	
+	@Id
+	private long forumId;
+	
+	@ManyToOne
+	private User user;
+	
+	@ManyToOne
+	private Forum forum;
+	
+	
+}

Sda2/P/forum_1/src/main/java/de/hdm_stuttgart/mi/sda2/forum/domain/User.java

 package de.hdm_stuttgart.mi.sda2.forum.domain;
 
 import java.io.Serializable;
+import java.util.List;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
+import javax.persistence.OneToMany;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
 
@@ -34,6 +36,9 @@ public class User implements Serializable {
 	@Size(min=1)
 	String password;
 	
+	@OneToMany(mappedBy="user")
+	List<Subscription> subscriptions; 
+	
 	public User() {}
 	
 	public User(final String name, final String email, final String pasword) {

Sda2/P/forum_1/src/main/java/de/hdm_stuttgart/mi/sda2/forum/domain/UserForumAssocId.java

+package de.hdm_stuttgart.mi.sda2.forum.domain;
+
+import java.io.Serializable;
+
+public class UserForumAssocId implements Serializable {
+	private static final long serialVersionUID = 2524118415599737530L;
+
+	private long userId;
+	private long forumId;
+
+	public int hashCode() {
+		return (int) (userId + forumId);
+	}
+
+	public boolean equals(Object object) {
+		if (object instanceof UserForumAssocId) {
+			final UserForumAssocId otherId = (UserForumAssocId) object;
+			return (otherId.userId == this.userId)
+					&& (otherId.forumId == this.forumId);
+		}
+		return false;
+	}
+}

Sda2/P/forum_1/src/main/resources/META-INF/persistence.xml

@@ -5,39 +5,24 @@
 	version="2.0">
 
 
-	<persistence-unit name="de.hdm_stuttgart.mi.sda2.forum" >
-		<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
-		<exclude-unlisted-classes>false</exclude-unlisted-classes>
-		<properties>
-			<property name="eclipselink.jdbc.platform"
-				value="org.eclipse.persistence.platform.database.MySQLPlatform" />
-			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
-			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm" />
-			<property name="javax.persistence.jdbc.user" value="hdmuser" />
-			<property name="javax.persistence.jdbc.password" value="XYZ" />
-			<property name="eclipselink.logging.level" value="FINE" />
-			<property name="eclipselink.connection-pool.default.initial" value="5" />
-			<property name="eclipselink.ddl-generation" value="drop-and-create-tables" />
-			<property name="eclipselink.ddl-generation.output-mode"
-				value="database" />
-		</properties>
-	</persistence-unit>
-	
-	<persistence-unit name="de.hdm_stuttgart.mi.sda2.forum.test" transaction-type="RESOURCE_LOCAL">
+<!--
+		transaction-type="RESOURCE_LOCAL"
+			<property name="eclipselink.canonicalmodel.subpackage" value="one"/>
+		-->
+
+	<persistence-unit name="de.hdm_stuttgart.mi.sda2.forum">
 		<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
 		<exclude-unlisted-classes>false</exclude-unlisted-classes>
 		<properties>
-			<property name="eclipselink.jdbc.platform"
-				value="org.eclipse.persistence.platform.database.MySQLPlatform" />
+			<property name="eclipselink.jdbc.platform" value="org.eclipse.persistence.platform.database.MySQLPlatform" />
 			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
 			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm" />
 			<property name="javax.persistence.jdbc.user" value="hdmuser" />
 			<property name="javax.persistence.jdbc.password" value="XYZ" />
 			<property name="eclipselink.logging.level" value="FINE" />
 			<property name="eclipselink.connection-pool.default.initial" value="5" />
-			<property name="eclipselink.ddl-generation" value="drop-and-create-tables" />
-			<property name="eclipselink.ddl-generation.output-mode"
-				value="database" />
+			<property name="eclipselink.ddl-generation" value="create-tables" />
+			<property name="eclipselink.ddl-generation.output-mode" value="database" />
 		</properties>
 	</persistence-unit>
 	

Sda2/P/forum_1/src/test/java/de/hdm_stuttgart/mi/sda2/forum/TestDomain.java

+package de.hdm_stuttgart.mi.sda2.forum;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.Persistence;
+import javax.validation.ConstraintViolation;
+import javax.validation.ConstraintViolationException;
+
+import org.junit.Test;
+
+import de.hdm_stuttgart.mi.sda2.forum.domain.Forum;
+import de.hdm_stuttgart.mi.sda2.forum.domain.User;
+import de.hdm_stuttgart.mi.sda2.forum.tools.HashProvider;
+
+public class TestDomain {
+
+	static final EntityManagerFactory emf;
+
+	static final EntityManager em;
+
+	static {
+		final Map<String, Object> overrideAndAddCfg = new HashMap<String, Object>();
+		overrideAndAddCfg.put("eclipselink.ddl-generation", "drop-and-create-tables");
+		emf = Persistence.createEntityManagerFactory("de.hdm_stuttgart.mi.sda2.forum", overrideAndAddCfg);
+		em = emf.createEntityManager(overrideAndAddCfg);
+	}
+	
+	@Test
+	public void test() {
+		
+		//em.setProperty("eclipselink.ddl-generation", "drop-and-create-tables");
+		
+		try {
+			
+			em.getTransaction().begin();
+			persistUser ("Joe Flix",    "joe@due.com",         "q");
+			persistUser("Tim Burns",    "burns@somefolks.org", "q");
+			persistUser("Sarah Beans",  "beans@myuni.edu",     "q");
+			persistUser("Peter Sounds", "q@q",                 "q");
+			persistUser("Sam Drews",    "sdew@bb.cc.org",      "q");
+			persistUser("Kim Banff",    "kb@banff.org",        "q");
+			
+			persistForum("Java delepopment problems");
+			em.getTransaction().commit();
+			
+		} catch (Exception e) {
+	        if (e instanceof ConstraintViolationException) {
+	            ConstraintViolationException cve = (ConstraintViolationException) e;
+	            for (Iterator<ConstraintViolation<?>> it = cve.getConstraintViolations().iterator(); it.hasNext();) {
+	                ConstraintViolation<? extends Object> v = it.next();
+	                System.err.println(v);
+	                System.err.println("==>>"+v.getMessage());
+	            }
+	        } else {
+				e.printStackTrace();
+	        }
+	        throw e;
+		}
+	}
+
+	private static User persistUser(final String name, final String email, final String clearTextPassword) {
+		System.out.print("Starting transaction (user = '" + name + "') ... ");
+		final User user = new User(name, email, HashProvider.getSaltedHash(clearTextPassword.toCharArray()));
+		em.persist(user);
+		System.out.println("done!");
+		return user;
+	}
+
+	private static Forum persistForum(final String title) {
+		System.out.print("Starting transaction (forum = '" + title + "') ... ");
+		final Forum forum = new Forum(title);
+		em.persist(forum);
+		System.out.println("done!");
+		return forum;
+	}
+}