From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 .../src/examples/session/stateful/CountClient.java | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/session/stateful/CountClient.java

(limited to 'Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/session/stateful/CountClient.java')

diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/session/stateful/CountClient.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/session/stateful/CountClient.java
new file mode 100644
index 0000000..3536705
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/session/stateful/CountClient.java	
@@ -0,0 +1,63 @@
+package examples.session.stateful;
+
+import javax.naming.*;
+
+/**
+ * This class is a simple client for a stateful session bean.
+ *
+ * To illustrate how passivation works, configure your EJB server
+ * to allow only 2 stateful session beans in memory. (Consult your 
+ * vendor documentation for details on how to do this.) We create 
+ * 3 beans in this example to see how and when beans are passivated.
+ */
+public class CountClient {
+
+    public static final int noOfClients = 3;
+
+    public static void main(String[] args) {
+        try {
+            /* Get a reference to the bean */
+            Context ctx = new InitialContext(System.getProperties());
+
+            /* An array to hold the Count beans */
+            Count count[] = new Count[noOfClients];
+            int countVal = 0;
+
+            /* Create and count() on each member of array */
+            System.out.println("Instantiating beans...");
+            for (int i = 0; i < noOfClients; i++) {
+                count[i] = (Count) ctx.lookup(Count.class.getName());
+
+                /* initialize each bean to the current count value */
+                count[i].set(countVal);
+
+                /* Add 1 and print */
+                countVal = count[i].count();
+                System.out.println(countVal);
+
+                /*  Sleep for 1/2 second */
+                Thread.sleep(100);
+            }
+
+            /*
+             * Let's call count() on each bean to  make sure the 
+             * beans were passivated and activated properly.
+             */
+            System.out.println("Calling count() on beans...");
+            for (int i = 0; i < noOfClients; i++) {
+
+                /* Add 1 and print */
+                countVal = count[i].count();
+                System.out.println(countVal);
+
+                /* call remove to let the container dispose of the bean */
+                count[i].remove();
+
+                /*  Sleep for 1/2 second */
+                Thread.sleep(50);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}
-- 
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