1 files changed, 29 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/jndi/PrimaryKeyGeneratorImpl.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/jndi/PrimaryKeyGeneratorImpl.java
new file mode 100644
index 0000000..eeb08cb
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/jndi/PrimaryKeyGeneratorImpl.java
@@ -0,0 +1,29 @@
+package examples.jndi;
+
+import java.rmi.RemoteException;
+import javax.rmi.PortableRemoteObject;
+
+/**
+ * The implementation of a remote object which generates primary keys
+ */
+public class PrimaryKeyGeneratorImpl 
+	extends PortableRemoteObject 
+	implements PrimaryKeyGenerator {
+	
+	private static long i = System.currentTimeMillis();
+	
+	public PrimaryKeyGeneratorImpl() throws Exception, RemoteException {
+		/*
+		 * Since we extend PortableRemoteObject, the super
+		 * class will export our remote object here.
+		 */
+		super();
+	}
+
+	/**
+	 * Generates a unique primary key
+	 */
+	public synchronized long generate() throws RemoteException {
+		return i++;
+	}
+}
+\ No newline at end of file