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/stateful/CartBean.java            | 39 ++++++++++++++++++
 .../src/examples/stateful/META-INF/application.xml | 11 +++++
 .../Micah Examples/src/examples/stateful/build.xml | 25 ++++++++++++
 .../src/examples/stateful/client/CartClient.java   | 47 ++++++++++++++++++++++
 .../src/examples/stateful/interfaces/Cart.java     | 11 +++++
 5 files changed, 133 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/CartBean.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/META-INF/application.xml
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/build.xml
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/client/CartClient.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/interfaces/Cart.java

(limited to 'Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful')

diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/CartBean.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/CartBean.java
new file mode 100644
index 0000000..48688c0
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/CartBean.java	
@@ -0,0 +1,39 @@
+package examples.stateful;
+
+import javax.annotation.Resource;
+import javax.ejb.Remove;
+import javax.ejb.SessionContext;
+import javax.ejb.Stateful;
+
+import examples.stateful.interfaces.Cart;
+
+@Stateful
+public class CartBean implements Cart {
+	@Resource SessionContext context;
+	private int numItems;
+	
+	public void addItem() {
+		numItems++;
+	}
+	
+	public int getItems() {
+		return numItems;
+	}
+	
+	@Remove(retainIfException=false)
+	public void remove1() throws Exception {
+		doRemove();
+	}
+	
+	@Remove(retainIfException=true)
+	public void remove2() throws Exception {
+		doRemove();
+	}
+	
+	private void doRemove() throws Exception {
+		if (numItems > 1 && numItems < 4) {
+			throw new Exception("blah");
+		}
+		System.out.println("Removing cart with: "+numItems+" items.");
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/META-INF/application.xml b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/META-INF/application.xml
new file mode 100644
index 0000000..eb9ae84
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/META-INF/application.xml	
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<application version="1.4"
+	xmlns="http://java.sun.com/xml/ns/j2ee"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
+	http://java.sun.com/xml/ns/j2ee/application_1_4.xsd">
+	<display-name>StatefulExamples</display-name>
+	<module>
+		<ejb>StatefulExamplesEjb.jar</ejb>
+	</module>
+</application>
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/build.xml b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/build.xml
new file mode 100644
index 0000000..51b1f71
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/build.xml	
@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<!DOCTYPE project [ <!ENTITY include SYSTEM "../../../etc/common.xml"> ]>
+	
+<project name="ejb3-examples-stateful" default="main" basedir="../../..">
+	<!--		basic  settings          -->
+	<property name="app.pkg" value="examples/stateful"/>
+	<property name="app.name" value="StatefulExamples"/>
+	<property name="create.client" value="true"/>
+	<property name="create.ejb" value="true"/>
+	<property name="create.ear" value="true"/>
+	<property name="deploy" value="true"/>
+	
+	<!--	Include common.xml	       -->
+	&include;
+	
+	<target name="main" depends="compile.common,package.common,deploy.common"/>
+	
+	<target name="run">
+		<antcall target="execClient">
+			<param name="client.class" value="examples.stateful.client.CartClient"/>
+		</antcall>
+	</target>
+</project>
+
+
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/client/CartClient.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/client/CartClient.java
new file mode 100644
index 0000000..abc2da2
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/client/CartClient.java	
@@ -0,0 +1,47 @@
+package examples.stateful.client;
+
+import javax.ejb.NoSuchEJBException;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+import examples.stateful.interfaces.Cart;
+
+public class CartClient {
+	public static void main(String[] args) {
+		try {
+			InitialContext ic = new InitialContext();
+			System.out.println("Adding items to cart, then removing...");
+			for (int i=0;i<2;i++) {
+				Cart cart = (Cart)ic.lookup(Cart.class.getName());
+				cart.addItem();
+				cart.addItem();
+				System.out.println("Number of items in the cart: "+cart.getItems());
+				try {
+					try {
+						if (i==0) {
+							cart.remove1();
+						}
+						else {
+							cart.remove2();						
+						}
+					}
+					catch (Exception e) {
+						;
+					}
+
+					cart.addItem();
+					cart.addItem();
+					cart.addItem();
+					
+					System.out.println("Number of items in the cart: "+cart.getItems());
+				}
+				catch (NoSuchEJBException nsee) {
+					System.out.println("Cart was already removed during iteration "+i);
+				}
+			}
+		} 
+		catch (NamingException e) {
+			e.printStackTrace();
+		}
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/interfaces/Cart.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/interfaces/Cart.java
new file mode 100644
index 0000000..a55ebbe
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateful/interfaces/Cart.java	
@@ -0,0 +1,11 @@
+package examples.stateful.interfaces;
+
+import javax.ejb.Remote;
+
+@Remote
+public interface Cart {
+	public void addItem();
+	public int getItems();
+	public void remove1() throws Exception;
+	public void remove2() throws Exception;
+}
-- 
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