continuing three main inheritance strategies

Sda2/P/Jpa/Inherit/Tpch/src/main/java/de/hdm_stuttgart/mi/sda2/jpa/billing/Driver.java → Sda2/P/Jpa/Inherit/Tpch/src/main/java/de/hdm_stuttgart/mi/sda2/jpa/billing/CreateData.java

@@ -12,21 +12,21 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 import de.hdm_stuttgart.mi.sda2.jpa.billing.domain.CreditCard;
+import de.hdm_stuttgart.mi.sda2.jpa.billing.domain.Customer;
 
 /**
  * A simple http://logging.apache.org/log4j/2.x demo, see file log4j2.xml for
  * configuration options.
  * 
  */
-public class Driver {
-   private static Logger log = LogManager.getLogger(Driver.class);
+public class CreateData {
+   private static Logger log = LogManager.getLogger(CreateData.class);
 
    /**
     * @param args
     *           Unused
-    * @throws JAXBException
     */
-   public static void main(String[] args) throws JAXBException {
+   public static void main(String[] args)  {
 
       final EntityManagerFactory factory = Persistence
             .createEntityManagerFactory("persistenceUnit");
@@ -34,11 +34,14 @@ public class Driver {
 
       final EntityTransaction tx = manager.getTransaction();
 
-      final CreditCard myCard = new CreditCard("Joe Blix", "Visa", new Date()); 
-
       tx.begin();
       {
-         manager.persist(myCard);
+         final Customer customer = new Customer("Joe Blix");
+         
+         final CreditCard myCard = new CreditCard(customer, "Visa"); 
+         myCard.setExpiry(new Date());
+
+         manager.persist(customer);
       }
       tx.commit();
       log.info("done!");

Sda2/P/Jpa/Inherit/Tpch/src/main/java/de/hdm_stuttgart/mi/sda2/jpa/billing/ReadData.java

+package de.hdm_stuttgart.mi.sda2.jpa.billing;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+import javax.persistence.Query;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import de.hdm_stuttgart.mi.sda2.jpa.billing.domain.BillingDetail;
+import de.hdm_stuttgart.mi.sda2.jpa.billing.domain.Customer;
+
+/**
+ * A simple http://logging.apache.org/log4j/2.x demo, see file log4j2.xml for
+ * configuration options.
+ * 
+ */
+public class ReadData {
+   private static Logger log = LogManager.getLogger(ReadData.class);
+
+   /**
+    * @param args Unused
+    */
+   @SuppressWarnings("unchecked")
+   public static void main(String[] args) {
+
+      final EntityManagerFactory factory = Persistence
+            .createEntityManagerFactory("persistenceReadUnit");
+      final EntityManager manager = factory.createEntityManager();
+
+      final EntityTransaction tx = manager.getTransaction();
+
+      final Query searchCustomer = manager.createQuery("select c from Customer c");
+      tx.begin();
+      {
+         final List<Customer> customers = searchCustomer.getResultList();
+         
+         for (final Customer c: customers) {
+            System.out.println("---------------------\n" + c.getName());
+            for (final BillingDetail b : c.getBillings()) {
+               System.out.println(b);
+            }
+         }
+      }
+      tx.commit();
+      log.info("done!");
+
+   }
+
+}

Sda2/P/Jpa/Inherit/Tpch/src/main/java/de/hdm_stuttgart/mi/sda2/jpa/billing/domain/BankAccount.java

 package de.hdm_stuttgart.mi.sda2.jpa.billing.domain;
 
+
+
 import javax.persistence.Entity;
 
 /**
  * pay by wire transfer
  *
  */
-@Entity 
+@Entity
 public class BankAccount extends BillingDetail {
-  String iban;
-}
+   String iban;
+
+   protected BankAccount() {
+      super();
+   }
 
+   @SuppressWarnings("javadoc")
+   public BankAccount(final Customer customer, final String iban) {
+      super(customer);
+      setIban(iban);
+   }
 
+   public String getIban() {
+      return iban;
+   }
+
+   public void setIban(String iban) {
+      this.iban = iban;
+   }
+
+}

Sda2/P/Jpa/Inherit/Tpch/src/main/java/de/hdm_stuttgart/mi/sda2/jpa/billing/domain/BillingDetail.java

 package de.hdm_stuttgart.mi.sda2.jpa.billing.domain;
 
-import javax.persistence.Column;
+
+import javax.persistence.CascadeType;
 import javax.persistence.DiscriminatorColumn;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
@@ -8,6 +9,7 @@ import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.Inheritance;
 import javax.persistence.InheritanceType;
+import javax.persistence.ManyToOne;
 
 /**
  * Base class for payment related purposes
@@ -20,30 +22,36 @@ public abstract class BillingDetail {
    @Id
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    Long id;
-   
-   @Column(nullable=false)
-   String owner;
+
+   @ManyToOne(cascade= CascadeType.ALL)
+   Customer customer;
+
    
    protected BillingDetail() {}
    
-   @SuppressWarnings("javadoc")
-   public BillingDetail(final String owner) {
-      setOwner(owner);
+   public BillingDetail(Customer customer) {
+      customer.addBilling(this);
    }
+   
 
    @SuppressWarnings("javadoc")
-   public String getOwner() {
-      return owner;
+   public Long getId() {
+      return id;
+   }
+   
+   public Customer getCustomer() {
+      return customer;
    }
 
-   @SuppressWarnings("javadoc")
-   public void setOwner(String owner) {
-      this.owner = owner;
+   public void setCustomer(Customer customer) {
+      this.customer = customer;
    }
 
-   @SuppressWarnings("javadoc")
-   public Long getId() {
-      return id;
+   @Override
+   public String toString() {
+      return "Account of " + customer.getName();
    }
    
+   
+   
 }

Sda2/P/Jpa/Inherit/Tpch/src/main/java/de/hdm_stuttgart/mi/sda2/jpa/billing/domain/CreditCard.java

@@ -2,6 +2,7 @@ package de.hdm_stuttgart.mi.sda2.jpa.billing.domain;
 
 import java.util.Date;
 
+import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
@@ -16,6 +17,7 @@ import javax.persistence.TemporalType;
 public class CreditCard extends BillingDetail {
    String cardCompany;
    
+   @Column(nullable=false)
    @Temporal(TemporalType.DATE)
    Date expiry;
    
@@ -25,10 +27,9 @@ public class CreditCard extends BillingDetail {
    }
    
    @SuppressWarnings("javadoc")
-   public CreditCard(final String owner, final String company, final Date expiry) {
-      super(owner);
+   public CreditCard(final Customer customer, final String company) {
+      super(customer);
       setCardCompany(company);
-      setExpiry(expiry);
    }
 
    @SuppressWarnings("javadoc")
@@ -49,5 +50,13 @@ public class CreditCard extends BillingDetail {
    @SuppressWarnings("javadoc")
    public void setExpiry(Date expiry) {
       this.expiry = expiry;
+   }
+
+   @Override
+   public String toString() {
+     
+      return getCardCompany() + " credit card, expiry =" + getExpiry() + ", " + super.toString();
    } 
+   
+   
 }

Sda2/P/Jpa/Inherit/Tpch/src/main/java/de/hdm_stuttgart/mi/sda2/jpa/billing/domain/Customer.java

+package de.hdm_stuttgart.mi.sda2.jpa.billing.domain;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+
+@Entity
+public class Customer {
+
+   @Id @GeneratedValue(strategy=GenerationType.IDENTITY)
+   Long id;
+   
+   @Column(nullable=false)
+   String name;
+   
+   @OneToMany(mappedBy="customer", cascade= CascadeType.ALL)
+   List<BillingDetail> billings = new ArrayList<BillingDetail>();
+   
+   protected Customer() {}
+   
+   public Customer(final String name) {
+      setName(name);
+   }
+
+   public String getName() {
+      return name;
+   }
+
+   public void setName(String name) {
+      this.name = name;
+   }
+
+   public Long getId() {
+      return id;
+   }
+   
+   public void addBilling(final BillingDetail billing) {
+      billings.add(billing);
+      billing.setCustomer(this);
+   }
+
+   public List<BillingDetail> getBillings() {
+      return billings;
+   }
+   
+}

Sda2/P/Jpa/Inherit/Tpch/src/main/resources/META-INF/persistence.xml

@@ -6,21 +6,44 @@
 		<!-- shouldn't be valid for java SE per specification, but it works for EclipseLink ... -->
 		<exclude-unlisted-classes>false</exclude-unlisted-classes>
 		<properties>
-		
+			
 			<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" />
-
+			
 			<!-- EclipseLink should create the database schema automatically -->
 			<property name="eclipselink.ddl-generation" value="drop-and-create-tables" />
 			<property name="eclipselink.ddl-generation.output-mode" value="database" />
 			<property name="eclipselink.logging.level" value="SEVERE"/>	
-
+			
 			<!-- Logging SQL operations -->
 			<property name="eclipselink.logging.level.sql" value="FINE"/>
 			<property name="eclipselink.logging.parameters" value="true"/>
 		</properties>
+		
+	</persistence-unit>
+
 
+	<persistence-unit name="persistenceReadUnit" transaction-type="RESOURCE_LOCAL">
+		<!-- shouldn't be valid for java SE per specification, but it works for EclipseLink ... -->
+		<exclude-unlisted-classes>false</exclude-unlisted-classes>
+		<properties>
+			
+			<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" />
+			
+			<!-- EclipseLink should create the database schema automatically -->
+			<property name="eclipselink.ddl-generation" value="none" />
+			<property name="eclipselink.ddl-generation.output-mode" value="database" />
+			<property name="eclipselink.logging.level" value="SEVERE"/>	
+			
+			<!-- Logging SQL operations -->
+			<property name="eclipselink.logging.level.sql" value="FINE"/>
+			<property name="eclipselink.logging.parameters" value="true"/>
+		</properties>
+		
 	</persistence-unit>
 </persistence>
\ No newline at end of file