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/stateless/HelloWorldBean.java     | 12 ++++
 .../examples/stateless/META-INF/application.xml    | 17 +++++
 .../src/examples/stateless/PricerBean.java         | 66 +++++++++++++++++
 .../src/examples/stateless/TaxRateBean.java        | 20 ++++++
 .../src/examples/stateless/WEB-INF/web.xml         | 25 +++++++
 .../src/examples/stateless/build.xml               | 26 +++++++
 .../examples/stateless/client/PricerClient.java    | 36 ++++++++++
 .../stateless/container/HelloWorldServlet.java     | 54 ++++++++++++++
 .../stateless/container/PricerClientServlet.java   | 84 ++++++++++++++++++++++
 .../stateless/interceptors/AuditorInterceptor.java | 18 +++++
 .../stateless/interceptors/LoggerInterceptor.java  | 16 +++++
 .../examples/stateless/interfaces/HelloWorld.java  |  8 +++
 .../src/examples/stateless/interfaces/Pricer.java  |  9 +++
 .../stateless/interfaces/PricerInjection.java      |  5 ++
 .../stateless/interfaces/PricerLookup.java         |  5 ++
 .../src/examples/stateless/interfaces/TaxRate.java |  8 +++
 16 files changed, 409 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/HelloWorldBean.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/META-INF/application.xml
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/PricerBean.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/TaxRateBean.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/WEB-INF/web.xml
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/build.xml
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/client/PricerClient.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/container/HelloWorldServlet.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/container/PricerClientServlet.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interceptors/AuditorInterceptor.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interceptors/LoggerInterceptor.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/HelloWorld.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/Pricer.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/PricerInjection.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/PricerLookup.java
 create mode 100644 Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/TaxRate.java

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

diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/HelloWorldBean.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/HelloWorldBean.java
new file mode 100644
index 0000000..289e962
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/HelloWorldBean.java	
@@ -0,0 +1,12 @@
+package examples.stateless;
+
+import javax.ejb.Stateless;
+
+import examples.stateless.interfaces.HelloWorld;
+
+@Stateless
+public class HelloWorldBean implements HelloWorld {
+	public String hi() {
+		return "hi!";
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/META-INF/application.xml b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/META-INF/application.xml
new file mode 100644
index 0000000..a7cc0e6
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/META-INF/application.xml	
@@ -0,0 +1,17 @@
+<?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>StatelessExamples</display-name>
+	<module>
+		<ejb>StatelessExamplesEjb.jar</ejb>
+	</module>
+	<module>
+		<web>
+			<web-uri>StatelessExamplesWeb.war</web-uri>
+			<context-root>/StatelessExamples</context-root>
+		</web>
+	</module>
+</application>
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/PricerBean.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/PricerBean.java
new file mode 100644
index 0000000..58697d6
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/PricerBean.java	
@@ -0,0 +1,66 @@
+package examples.stateless;
+
+import javax.ejb.EJB;
+import javax.ejb.Remote;
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.ejb.Stateless;
+import javax.interceptor.AroundInvoke;
+import javax.interceptor.Interceptors;
+import javax.interceptor.InvocationContext;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+import examples.stateless.interceptors.AuditorInterceptor;
+import examples.stateless.interceptors.LoggerInterceptor;
+import examples.stateless.interfaces.PricerInjection;
+import examples.stateless.interfaces.PricerLookup;
+import examples.stateless.interfaces.TaxRate;
+
+@Stateless
+@Interceptors({LoggerInterceptor.class,AuditorInterceptor.class})
+@Remote({PricerInjection.class,PricerLookup.class})
+public class PricerBean implements PricerInjection, PricerLookup {
+	private TaxRate taxRate;
+	
+	@EJB
+	private TaxRate taxRate2;
+	
+	public double getTaxLookup(double cost, String state) {
+		double tax = -1;
+		tax = cost * taxRate.getTaxRate(state);
+		return tax;
+	}
+	
+	public double getTaxInjection(double cost, String state) {
+		double tax = -1;
+		tax = cost * taxRate2.getTaxRate(state);
+		return tax;
+	}
+	
+	@PostConstruct
+	public void postConstruct() {
+		try {
+			InitialContext ic = new InitialContext();
+			taxRate = (TaxRate)ic.lookup(TaxRate.class.getName());
+		} 
+		catch (NamingException e) {
+			// some kind of appropriate handling here
+		}
+	}
+	
+	@PreDestroy
+	public void preDestroy() {
+		taxRate = null;
+	}
+	
+	@AroundInvoke
+	public Object logger(InvocationContext inv) throws Exception {
+		System.out.println("Intercepted call via internal method to: "+inv.getMethod().getName());
+		Object[] params = inv.getParameters();
+		for (int i=0;i<params.length;i++) {
+			System.out.println("\tparam: "+params[i]);
+		}
+		return inv.proceed();
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/TaxRateBean.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/TaxRateBean.java
new file mode 100644
index 0000000..fb51d29
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/TaxRateBean.java	
@@ -0,0 +1,20 @@
+package examples.stateless;
+
+import javax.ejb.Stateless;
+
+import examples.stateless.interfaces.TaxRate;
+
+@Stateless
+public class TaxRateBean implements TaxRate {
+	public double getTaxRate(String state) {
+		if (state.equalsIgnoreCase("ny")) {
+			return 0.0875;
+		}
+		else if (state.equalsIgnoreCase("nj")) {
+			return 0.03;
+		}
+		else {
+			return 0.0;
+		}
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/WEB-INF/web.xml b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/WEB-INF/web.xml
new file mode 100644
index 0000000..0100696
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/WEB-INF/web.xml	
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
+   <distributable/>
+
+   <servlet>
+      <display-name>PricerClient</display-name>
+      <servlet-name>PricerClient</servlet-name>
+      <servlet-class>examples.stateless.container.PricerClientServlet</servlet-class>
+   </servlet>
+   <servlet>
+      <display-name>HelloWorld</display-name>
+      <servlet-name>HelloWorld</servlet-name>
+      <servlet-class>examples.stateless.container.HelloWorldServlet</servlet-class>
+   </servlet>
+
+   <servlet-mapping>
+      <servlet-name>PricerClient</servlet-name>
+      <url-pattern>/PricerClient</url-pattern>
+   </servlet-mapping>
+   <servlet-mapping>
+      <servlet-name>HelloWorld</servlet-name>
+      <url-pattern>/HelloWorld</url-pattern>
+   </servlet-mapping>
+</web-app>
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/build.xml b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/build.xml
new file mode 100644
index 0000000..389568b
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/build.xml	
@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!DOCTYPE project [ <!ENTITY include SYSTEM "../../../etc/common.xml"> ]>
+	
+<project name="ejb3-examples-stateless" default="main" basedir="../../..">
+	<!--		basic  settings          -->
+	<property name="app.pkg" value="examples/stateless"/>
+	<property name="app.name" value="StatelessExamples"/>
+	<property name="create.client" value="true"/>
+	<property name="create.ejb" value="true"/>
+	<property name="create.war" 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.stateless.client.PricerClient"/>
+		</antcall>
+	</target>
+</project>
+
+
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/client/PricerClient.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/client/PricerClient.java
new file mode 100644
index 0000000..5762ab0
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/client/PricerClient.java	
@@ -0,0 +1,36 @@
+package examples.stateless.client;
+
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+import examples.stateless.interfaces.PricerInjection;
+import examples.stateless.interfaces.PricerLookup;
+
+public class PricerClient {
+	public static void main(String[] args) {
+		try {
+			InitialContext ic = new InitialContext();
+
+			// Prefixing the name with the pound sign (#) is a convention of Glassfish
+			// when using multiple interfaces to make up the business interface. The 
+			// specification is unclear on how clients should lookup beans that implement
+			// more than one interface.
+			
+			PricerLookup pricerLookup = (PricerLookup)ic.lookup("#"+PricerLookup.class.getName());
+			PricerInjection pricerInjection = (PricerInjection)ic.lookup("#"+PricerInjection.class.getName());
+			//PricerLookup pricerLookup = (PricerLookup)ic.lookup(PricerLookup.class.getName());
+			//PricerInjection pricerInjection = (PricerInjection)ic.lookup(PricerInjection.class.getName());
+			//Pricer pricerLookup = (Pricer)ic.lookup(Pricer.class.getName());
+			//Pricer pricerInjection = pricerLookup;
+
+			System.out.println("Tax (using lookup) on: 8.5 for State: ny is: "+
+					pricerLookup.getTaxLookup(8.5,"ny"));
+			
+			System.out.println("Tax (using injection) on: 8.5 for State: ny is: "+
+					pricerInjection.getTaxInjection(8.5,"ny"));
+		} 
+		catch (NamingException e) {
+			e.printStackTrace();
+		}
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/container/HelloWorldServlet.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/container/HelloWorldServlet.java
new file mode 100644
index 0000000..61c78a6
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/container/HelloWorldServlet.java	
@@ -0,0 +1,54 @@
+package examples.stateless.container;
+
+import javax.ejb.EJB;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+import javax.servlet.http.HttpServlet;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import examples.stateless.interfaces.HelloWorld;
+
+/**
+ * Servlet Class
+ *
+ * @web.servlet              name="HelloWorld"
+ *                           display-name="Name for HelloWorld"
+ *                           description="Description for HelloWorld"
+ * @web.servlet-mapping      url-pattern="/HelloWorld"
+ * @web.servlet-init-param   name="A parameter"
+ *                           value="A value"
+ */
+public class HelloWorldServlet extends HttpServlet {
+	@EJB HelloWorld hwInjected;
+	
+	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+		throws ServletException,
+		IOException {
+
+		doPost(req,resp);
+	}
+
+	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
+		throws ServletException,
+		IOException {
+
+		try {
+			InitialContext ic = new InitialContext();
+			HelloWorld hw = (HelloWorld)ic.lookup(HelloWorld.class.getName());
+			
+			PrintWriter pw = resp.getWriter();
+			resp.setContentType("text/html");
+			pw.println("<h4>Lookup output: "+hw.hi()+"</h4>");
+			pw.println("<h4>Injection output: "+hwInjected.hi()+"</h4>");
+		} 
+		catch (NamingException e) {
+			e.printStackTrace();
+		}
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/container/PricerClientServlet.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/container/PricerClientServlet.java
new file mode 100644
index 0000000..09b59d6
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/container/PricerClientServlet.java	
@@ -0,0 +1,84 @@
+package examples.stateless.container;
+
+import javax.ejb.EJB;
+import javax.naming.InitialContext;
+import javax.naming.NameClassPair;
+import javax.naming.NamingEnumeration;
+import javax.naming.NamingException;
+import javax.servlet.http.HttpServlet;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import examples.stateless.interfaces.PricerInjection;
+import examples.stateless.interfaces.PricerLookup;
+
+/**
+ * Servlet Class
+ * 
+ * @web.servlet name="PricerClient" display-name="Name for PricerClient"
+ *              description="Description for PricerClient"
+ * @web.servlet-mapping url-pattern="/PricerClient"
+ * @web.servlet-init-param name="A parameter" value="A value"
+ */
+public class PricerClientServlet extends HttpServlet {
+	@EJB PricerInjection pi2;
+	@EJB PricerLookup pl2;
+
+	
+	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
+
+		doPost(req, resp);
+	}
+
+	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
+		
+		double price = 85.0;
+		String state = "ny";
+
+		PrintWriter pw = resp.getWriter();
+		resp.setContentType("text/html");
+		pw.println("<HTML>\n\t<BODY>");
+		
+		try {
+			InitialContext ic = new InitialContext();
+			pw.println("<h3>Here are the JNDI names bound for beans in this example:</h3>");
+			pw.println("<ol>");
+			NamingEnumeration ne = ic.list("");
+			while (ne.hasMore()) {
+				NameClassPair ncp = (NameClassPair) ne.next();
+				pw.println("<li>" + ncp.getName());
+			}
+			pw.println("</ol>");
+
+			// Pricer pricer = (Pricer)ic.lookup(Pricer.class.getName());
+			PricerInjection pi = (PricerInjection)ic.lookup("#"+PricerInjection.class.getName());
+			PricerLookup pl = (PricerLookup)ic.lookup("#"+PricerLookup.class.getName());
+
+			pw.println("Tax (using lookup) on: " + price + " for State: "
+					+ state + " is: " + pl.getTaxLookup(price, state) + "<br>");
+
+			pw.println("Tax (using injection) on: " + price + " for State: "
+					+ state + " is: " + pi.getTaxInjection(price, state)
+					+ "<br>");
+			
+			pw.println("Tax (using lookup from @EJB) on: " + price + " for State: "
+					+ state + " is: " + pl2.getTaxLookup(price, state) + "<br>");
+
+			pw.println("Tax (using injection @EJB) on: " + price + " for State: "
+					+ state + " is: " + pi2.getTaxInjection(price, state)
+					+ "<br>");
+		} 
+		catch (NamingException e) {
+			e.printStackTrace();
+		}
+
+		pw.println("\t</BODY>\n</HTML>");
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interceptors/AuditorInterceptor.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interceptors/AuditorInterceptor.java
new file mode 100644
index 0000000..853a891
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interceptors/AuditorInterceptor.java	
@@ -0,0 +1,18 @@
+package examples.stateless.interceptors;
+
+import javax.interceptor.AroundInvoke;
+import javax.interceptor.InvocationContext;
+
+public class AuditorInterceptor {
+	@AroundInvoke
+	public Object checkCost(InvocationContext inv) throws Exception {
+		if (inv.getMethod().getName().startsWith("getTax")) {
+			Object[] o = inv.getParameters();
+			double cost = ((Double)o[0]).doubleValue();
+			if (cost > 50) {
+				System.out.println("Cost is > 50!");
+			}
+		}
+		return inv.proceed();
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interceptors/LoggerInterceptor.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interceptors/LoggerInterceptor.java
new file mode 100644
index 0000000..ee37d23
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interceptors/LoggerInterceptor.java	
@@ -0,0 +1,16 @@
+package examples.stateless.interceptors;
+
+import javax.interceptor.AroundInvoke;
+import javax.interceptor.InvocationContext;
+
+public class LoggerInterceptor {
+	@AroundInvoke
+	public Object logger(InvocationContext inv) throws Exception {
+		System.out.println("Intercepted call via external class to: "+inv.getMethod().getName());
+		Object[] params = inv.getParameters();
+		for (int i=0;i<params.length;i++) {
+			System.out.println("\tparam: "+params[i]);
+		}
+		return inv.proceed();
+	}
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/HelloWorld.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/HelloWorld.java
new file mode 100644
index 0000000..5d99f5b
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/HelloWorld.java	
@@ -0,0 +1,8 @@
+package examples.stateless.interfaces;
+
+import javax.ejb.Remote;
+
+@Remote
+public interface HelloWorld {
+	public String hi();
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/Pricer.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/Pricer.java
new file mode 100644
index 0000000..9f74419
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/Pricer.java	
@@ -0,0 +1,9 @@
+package examples.stateless.interfaces;
+
+import javax.ejb.Remote;
+
+@Remote
+public interface Pricer {
+	public double getTaxLookup(double cost, String state);
+	public double getTaxInjection(double cost, String state);
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/PricerInjection.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/PricerInjection.java
new file mode 100644
index 0000000..4fcecb5
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/PricerInjection.java	
@@ -0,0 +1,5 @@
+package examples.stateless.interfaces;
+
+public interface PricerInjection {
+	public double getTaxInjection(double cost, String state);
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/PricerLookup.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/PricerLookup.java
new file mode 100644
index 0000000..76996c6
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/PricerLookup.java	
@@ -0,0 +1,5 @@
+package examples.stateless.interfaces;
+
+public interface PricerLookup {
+	public double getTaxLookup(double cost, String state);
+}
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/TaxRate.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/TaxRate.java
new file mode 100644
index 0000000..9ab2b8f
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/stateless/interfaces/TaxRate.java	
@@ -0,0 +1,8 @@
+package examples.stateless.interfaces;
+
+import javax.ejb.Remote;
+
+@Remote
+public interface TaxRate {
+	public double getTaxRate(String state);
+}
-- 
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