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Posted to commits@tuscany.apache.org by sl...@apache.org on 2008/04/30 14:31:45 UTC

svn commit: r652367 [1/2] - in /incubator/tuscany/java/sca/demos/load-balancing-webapp: ./ src/ src/main/ src/main/java/ src/main/java/client/ src/main/java/domain/ src/main/java/helloworld/ src/main/java/org/ src/main/java/org/apache/ src/main/java/or...

Author: slaws
Date: Wed Apr 30 05:31:43 2008
New Revision: 652367

URL: http://svn.apache.org/viewvc?rev=652367&view=rev
Log:
Initial SCA webapp load balancing demo. Many manual steps involved here. In the process of moving over to the new node implementation, i.e. this doesn't yet use a domain for configuration. 

Added:
    incubator/tuscany/java/sca/demos/load-balancing-webapp/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/DISCLAIMER   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/LICENSE   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/NOTICE   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/README   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/build-tomcat.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/build.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/pom.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/client/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/client/LaunchClient.java   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/domain/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/domain/LaunchDomain.java   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldImpl.java   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldService.java   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldServiceClient.java   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/demos/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/demos/loadbalancer/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/demos/loadbalancer/rule/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/demos/loadbalancer/rule/RoundRobinRule.java   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/resources/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/resources/client-contribution/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/resources/client-contribution/helloworldwsclient.composite   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/sca-contribution.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/sca-deployables/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/sca-deployables/helloworldws.composite   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/WEB-INF/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/WEB-INF/web.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/httpd.conf
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/workers.properties   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8085/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8085/conf/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8085/conf/server.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8085/webapps/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8085/webapps/balancer/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8085/webapps/balancer/WEB-INF/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8085/webapps/balancer/WEB-INF/config/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8085/webapps/balancer/WEB-INF/config/rules.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8086/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8086/conf/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8086/conf/server.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8086/webapps/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8087/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8087/conf/
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8087/conf/server.xml   (with props)
    incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/tomcat-8087/webapps/

Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/DISCLAIMER
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/DISCLAIMER?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/DISCLAIMER (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/DISCLAIMER Wed Apr 30 05:31:43 2008
@@ -0,0 +1,8 @@
+Apache Tuscany is an effort undergoing incubation at The Apache Software
+Foundation (ASF), sponsored by the Apache Web Services PMC. Incubation is
+required of all newly accepted projects until a further review indicates that
+the infrastructure, communications, and decision making process have stabilized
+in a manner consistent with other successful ASF projects. While incubation
+status is not necessarily a reflection of the completeness or stability of the
+code, it does indicate that the project has yet to be fully endorsed by the ASF.
+

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URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/LICENSE?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/LICENSE (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/LICENSE Wed Apr 30 05:31:43 2008
@@ -0,0 +1,205 @@
+
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
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+      whether in tort (including negligence), contract, or otherwise,
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--- incubator/tuscany/java/sca/demos/load-balancing-webapp/NOTICE (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/NOTICE Wed Apr 30 05:31:43 2008
@@ -0,0 +1,6 @@
+${pom.name}
+Copyright (c) 2005 - 2008 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/README
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/README?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/README (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/README Wed Apr 30 05:31:43 2008
@@ -0,0 +1,76 @@
+WebApp Load Balancing Demo
+===========================
+
+Demonstrates balancing load acoss SCA services by deploying an SCA composite
+to two tomcat servers in a cluster. The tomcat servers sit behind an Apache
+server which directs load to one or other tomcat server based on a set of rules.
+
+The mvn pom distributed with this sample will download, install and configure
+two Tomcat servers automatically to act as workers. You need to install the 
+Apache web server and configure it manually.
+
+1 - Install and configure the Tomcat workers
+
+mvn
+
+This results in two tomcat servers at
+
+target/tomcat-8085
+target/tomcat-8086
+
+2 - Install and configure the Apache server to balance load
+
+In this case we've chosen to use the native JK connector. There are several 
+resources that tell you how to configure Apache for load balancing Tomcat with 
+the JK connector. For example, 
+
+http://tomcat.apache.org/connectors-doc/webserver_howto/apache.html
+http://www.crazysquirrel.com/computing/debian/servers/tomcat55.jspx
+
+Here is a high level summary 
+
+Download the latest version of Apache 2.2 (this demo was built with Apache 2.2.6)
+  http://httpd.apache.org/
+  Install in a local director called, say, apache
+  
+Download the mod_jk module (in binary form if you can)
+  http://tomcat.apache.org/download-connectors.cgi
+  Install it in apache/modules
+  
+Configure the mod_jk module
+  Copy src/test/resources/apache-80/conf/workers.properties to apache/conf
+  Append the contents of src/test/resources/apache-80/conf/httpd.conf to apache/conf/httpf.conf
+
+3 - Start the apache and tomcat servers
+
+In three command prompts
+
+cd target/tomcat-8085
+bin/catalina run
+
+cd target/tomcat-8086
+bin/catalina run
+
+cd apache
+bin/httpd
+
+4 - Run the client
+
+run the LanchClient program - TBD - need a script
+
+5 - Result
+
+The client will make 10 calls to the SCA service described in the helloworldws.composite that
+is part of the webapp deployed to the tomcat servers. You will see the result of this 
+service call reported at the client in the form 
+
+Called getGreetings
+Hello World 6
+
+If you look at the Tomcat consoles you will see that each server deals with half the requests 
+as the load is balanced equally between the two of them.
+
+
+
+
+

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--- incubator/tuscany/java/sca/demos/load-balancing-webapp/build-tomcat.xml (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/build-tomcat.xml Wed Apr 30 05:31:43 2008
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+-->
+<project name="TomcatZipInstaller">
+    
+	<!--property name="tomcat.series" value="6"/>
+    <property name="tomcat.version" value="6.0.16"/-->
+	<property name="tomcat.series" value="5"/>
+	<property name="tomcat.version" value="5.5.26"/>
+    <property name="unpack.location" value="${basedir}/target/tomcat"/>
+	<property name="repo.location" value="${basedir}/target/repo"/>
+    
+    <target name="check-tomcat-downloaded">
+        <condition property="already.downloaded" >
+            <available file="${repo.location}/apache-tomcat-${tomcat.version}.zip"/>
+        </condition>
+        <condition property="maven.suffix" value="">
+            <os family="unix"/>
+        </condition>
+        <condition property="maven.suffix" value=".bat">
+            <os family="windows"/>
+        </condition>
+    </target>
+    
+    <target name="download-tomcat" depends="check-tomcat-downloaded" unless="already.downloaded">
+        <mkdir dir="${repo.location}"/>
+        <get src="http://www.apache.org/dist/jakarta/tomcat-${tomcat.series}/v${tomcat.version}/bin/apache-tomcat-${tomcat.version}.zip"
+            dest="${repo.location}/apache-tomcat-${tomcat.version}.zip"
+            verbose="true"
+            usetimestamp="true"/>
+    </target>
+  
+    <target name="check-tomcat-unpacked">
+        <condition property="already.unpacked" >
+            <available file="${unpack.location}-${port}"/>
+        </condition>
+    </target>
+
+    <target name="unpack-tomcat" depends="check-tomcat-downloaded, check-tomcat-unpacked" unless="already.unpacked">
+        <fail message="tomcat zip file not downloaded" unless="already.downloaded"/>
+        <mkdir dir="${unpack.location}-${port}/"/>
+        <unzip src="${repo.location}/apache-tomcat-${tomcat.version}.zip"
+               dest="."
+               overwrite="false">
+        </unzip>
+    	<move file="apache-tomcat-${tomcat.version}"
+    	      tofile="${unpack.location}-${port}/"
+    	      overwrite="false"
+    	      verbose="false"/>
+    	<delete dir="apache-tomcat-${tomcat.version}"/>
+    </target>
+	
+	<target name="configure-tomcat" depends="check-tomcat-downloaded, check-tomcat-unpacked">
+        <fail message="tomcat zip file not downloaded" unless="already.downloaded"/>
+		<fail message="tomcat zip file not unpacked" unless="already.unpacked"/>
+        <copy todir="${unpack.location}-${port}/"
+        	  overwrite="true"
+              verbose="false">
+            <fileset dir="${basedir}/src/test/resources/tomcat-${port}"/>
+        </copy>
+		<mkdir dir="${unpack.location}-${port}/webapps/balancer/WEB-INF/classes/org"/>
+        <copy todir="${unpack.location}-${port}/webapps/balancer/WEB-INF/classes/org"
+              overwrite="true"
+              verbose="false">
+            <fileset dir="${basedir}/target/classes/org"/>
+        </copy>	
+		
+    </target>
+	
+    <target name="copy-webapp" depends="check-tomcat-downloaded, check-tomcat-unpacked">
+        <fail message="tomcat zip file not downloaded" unless="already.downloaded"/>
+        <fail message="tomcat zip file not unpacked" unless="already.unpacked"/>
+        <copy file="${basedir}/target/demo-load-balancing-webapp.war"
+              todir="${unpack.location}-${port}/webapps/"
+              overwrite="true"
+              verbose="false">
+        </copy>         
+    </target>	
+
+</project>

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/build.xml
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/build.xml?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/build.xml (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/build.xml Wed Apr 30 05:31:43 2008
@@ -0,0 +1,125 @@
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<project name="calculator" >
+	<property name="test.jar"   value="sample-calculator-distributed.jar" />
+	
+    <target name="init">
+        <mkdir dir="target/classes"/>
+    </target>
+	
+    <!--target name="compile" depends="init">
+        <javac srcdir="src/main/java"
+               destdir="target/classes"
+               debug="on"
+               source="1.5"
+               target="1.5">
+            <classpath>
+            	<pathelement location="../../modules/tuscany-sca-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-launcher-2.0-incubating-SNAPSHOT.jar"/>
+            </classpath>
+        </javac> 
+        <copy todir="target/classes">
+            <fileset dir="src/main/resources"/>
+        </copy>
+        <jar destfile="target/${test.jar}" basedir="target/classes">
+            <manifest>
+                <attribute name="Main-Class" value="${test.class}" /> 
+            </manifest>
+        </jar>    	
+    </target-->
+	
+    <!--target name="runDomain">
+        <java classname="node.LaunchDomain"
+              fork="true">
+            <classpath>
+            	<pathelement path="src/main/resources"/>
+                <pathelement path="target/classes"/>
+            	<pathelement path="target/${test.jar}"/>
+            	<pathelement location="../../modules/tuscany-sca-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-launcher-2.0-incubating-SNAPSHOT.jar"/>
+            </classpath>    	        	
+        </java>
+    </target-->
+	
+    <target name="runClient">
+        <java classname="node.LaunchCalculatorNodeA"
+              fork="true">
+            <classpath>
+                <pathelement path="src/main/resources"/>
+                <pathelement path="target/classes"/>
+                <pathelement path="target/${test.jar}"/>
+                <pathelement location="../../modules/tuscany-sca-api-2.0-incubating-SNAPSHOT.jar"/>
+                <pathelement location="../../modules/tuscany-node2-api-2.0-incubating-SNAPSHOT.jar"/>
+                <pathelement location="../../modules/tuscany-node2-launcher-2.0-incubating-SNAPSHOT.jar"/>
+            </classpath>                    
+        </java>
+    </target>
+	
+    <target name="run8085">
+        <java classname="node.LaunchCalculatorNodeA"
+              fork="true">
+            <classpath>
+            	<pathelement path="src/main/resources"/>
+                <pathelement path="target/classes"/>
+            	<pathelement path="target/${test.jar}"/>
+            	<pathelement location="../../modules/tuscany-sca-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-launcher-2.0-incubating-SNAPSHOT.jar"/>
+            </classpath>     	        	
+        </java>
+    </target>
+	
+    <target name="run8086">
+        <java classname="node.LaunchCalculatorNodeB"
+              fork="true">
+            <classpath>
+            	<pathelement path="src/main/resources"/>
+                <pathelement path="target/classes"/>
+            	<pathelement path="target/${test.jar}"/>
+            	<pathelement location="../../modules/tuscany-sca-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-launcher-2.0-incubating-SNAPSHOT.jar"/>
+            </classpath>      	
+        </java>
+    </target>	
+	
+    <target name="run8087">
+        <java classname="node.LaunchCalculatorNodeC"
+              fork="true">
+            <classpath>
+            	<pathelement path="src/main/resources"/>
+                <pathelement path="target/classes"/>
+            	<pathelement path="target/${test.jar}"/>
+            	<pathelement location="../../modules/tuscany-sca-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-api-2.0-incubating-SNAPSHOT.jar"/>
+            	<pathelement location="../../modules/tuscany-node2-launcher-2.0-incubating-SNAPSHOT.jar"/>
+            </classpath>      	
+        </java>
+    </target>	
+	
+    <target name="clean">
+        <delete quiet="true" includeemptydirs="true">
+            <fileset dir="target"/>
+        </delete>
+    </target>	
+	
+	
+</project>

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/pom.xml
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/pom.xml?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/pom.xml (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/pom.xml Wed Apr 30 05:31:43 2008
@@ -0,0 +1,349 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * Licensed to the Apache Software Foundation (ASF) under one
+    * or more contributor license agreements.  See the NOTICE file
+    * distributed with this work for additional information
+    * regarding copyright ownership.  The ASF licenses this file
+    * to you under the Apache License, Version 2.0 (the
+    * "License"); you may not use this file except in compliance
+    * with the License.  You may obtain a copy of the License at
+    * 
+    *   http://www.apache.org/licenses/LICENSE-2.0
+    * 
+    * Unless required by applicable law or agreed to in writing,
+    * software distributed under the License is distributed on an
+    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    * KIND, either express or implied.  See the License for the
+    * specific language governing permissions and limitations
+    * under the License.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-demos</artifactId>
+        <version>2.0-incubating-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>demo-load-balancing-webapp</artifactId>
+    <packaging>war</packaging>
+    <name>Apache Tuscany SCA WebApp Load Balancing Demo</name>
+    <description>A sample SCA application that is deployed as a webapp to a cluster of tomcat servers</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-host-webapp</artifactId>
+            <version>2.0-incubating-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-implementation-java-runtime</artifactId>
+            <version>2.0-incubating-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-binding-ws-axis2</artifactId>
+            <version>2.0-incubating-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+        
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-monitor-logging</artifactId>
+            <version>2.0-incubating-SNAPSHOT</version>
+        </dependency>
+            
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-node2-impl</artifactId>
+            <version>2.0-incubating-SNAPSHOT</version>
+        </dependency>        
+
+        <dependency>
+            <groupId>tomcat</groupId>
+            <artifactId>catalina-balancer</artifactId>
+            <version>5.5.12</version>
+        </dependency>
+        
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <version>2.4</version> <!-- to keep compatible with older servlet containers --> 
+            <scope>provided</scope>
+        </dependency>        
+        
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.2</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+    
+    <properties>
+       <http.port>8085</http.port>
+       <http.base>http://127.0.0.1:${http.port}</http.base>
+       <tomcat.home>${env.CATALINA_HOME}</tomcat.home>
+    </properties>    
+    
+    <build>
+       <finalName>${artifactId}</finalName>
+       
+       <plugins>
+       
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-antrun-plugin</artifactId>
+                <version>1.1</version>
+
+                <dependencies>
+                    <dependency>
+                        <groupId>ant</groupId>
+                        <artifactId>ant-trax</artifactId>
+                        <version>1.6.5</version>
+                    </dependency>
+                </dependencies>
+
+                <executions>
+                    <execution>
+                        <id>download-tomcat</id>
+                        <phase>validate</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="download-tomcat">
+                                    
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution>
+                    <!--execution>
+                        <id>unpack-tomcat-8085</id>
+                        <phase>generate-resources</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="unpack-tomcat">
+                                  <property name="port" value="8085" />
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution-->
+                    <execution>
+                        <id>unpack-tomcat-8086</id>
+                        <phase>generate-resources</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="unpack-tomcat">
+                                  <property name="port" value="8086" />
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>unpack-tomcat-8087</id>
+                        <phase>generate-resources</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="unpack-tomcat">
+                                  <property name="port" value="8087" />
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution>
+                    <!--execution>
+                        <id>configure-tomcat-8085</id>
+                        <phase>pre-integration-test</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="configure-tomcat">
+                                  <property name="port" value="8085" />
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution-->   
+                    <execution>
+                        <id>configure-tomcat-8086</id>
+                        <phase>pre-integration-test</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="configure-tomcat">
+                                  <property name="port" value="8086" />
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution>  
+                    <execution>
+                        <id>configure-tomcat-8087</id>
+                        <phase>pre-integration-test</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="configure-tomcat">
+                                  <property name="port" value="8087" />
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution>  
+                    
+                    <execution>
+                        <id>copy-webapp-8086</id>
+                        <phase>pre-integration-test</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="copy-webapp">
+                                  <property name="port" value="8086" />
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution>  
+                    <execution>
+                        <id>copy-webapp-8087</id>
+                        <phase>pre-integration-test</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <ant antfile="./build-tomcat.xml" target="copy-webapp">
+                                  <property name="port" value="8087" />
+                                </ant>
+                            </tasks>
+                        </configuration>
+                    </execution>                     
+                </executions>
+            </plugin>             
+           <!--plugin>
+               <groupId>org.apache.tuscany.sca</groupId>
+               <artifactId>tuscany-maven-web-junit</artifactId>
+               <version>2.0-incubating-SNAPSHOT</version>
+               <executions>
+                   <execution>
+                       <id>generate-web-xml</id>
+                       <phase>process-resources</phase>
+                       <goals>
+                           <goal>generate</goal>
+                       </goals>
+                   </execution>
+                   <execution>
+                       <id>web-junit-test</id>
+                       <configuration>
+                           <url>${http.base}/${project.build.finalName}/junit?op=runAll</url>
+                       </configuration>
+                       <phase>integration-test</phase>
+                       <goals>
+                           <goal>test</goal>
+                       </goals>
+                   </execution>
+               </executions>
+           </plugin-->
+           <!--plugin>
+               <groupId>org.codehaus.cargo</groupId>
+               <artifactId>cargo-maven2-plugin</artifactId>
+               <executions>
+                   <execution>
+                       <id>start-container</id>
+                       <phase>pre-integration-test</phase>
+                       <goals>
+                           <goal>start</goal>
+                       </goals>
+                   </execution>
+                   <execution>
+                       <id>stop-container</id>
+                       <phase>post-integration-test</phase>
+                       <goals>
+                           <goal>stop</goal>
+                       </goals>
+                   </execution>
+               </executions>
+               <configuration>
+                   <container>
+                       <containerId>tomcat5x</containerId>
+                       <type>runtime</type>
+                       <home>${tomcat.home}</home>
+                       <systemProperties>
+                           <org.apache.commons.logging.Log>
+                               org.apache.commons.logging.impl.SimpleLog
+                           </org.apache.commons.logging.Log>
+                       </systemProperties>
+                   </container>
+                   <wait>false</wait>
+                   <configuration>
+                       <properties>
+                           <cargo.servlet.port>8085</cargo.servlet.port>
+                       </properties>
+                       <deployables>
+                           <deployable>
+                               <location>${project.build.directory}/${project.build.finalName}.war</location>
+                               <pingURL>${http.base}/${project.build.finalName}/junit?op=list</pingURL>
+                               <type>war</type>
+                           </deployable>
+                       </deployables>
+                       <home>${project.build.directory}/cargo-tomcat</home>
+                   </configuration>
+               </configuration>
+           </plugin-->
+
+     
+           
+          <!--plugin>
+            <groupId>org.codehaus.cargo</groupId>
+            <artifactId>cargo-maven2-plugin</artifactId>
+            <executions>
+              <execution>
+                <id>tomcat-execution</id>
+                <phase>integration-test</phase>
+                <goals>
+                  <goal>install</goal>
+                </goals>
+                <configuration>
+                  <wait>false</wait>
+                  <container>
+                    <containerId>tomcat5x</containerId>
+                    <log>${project.build.directory}/tomcat-8085/cargo.log</log>
+                    <zipUrlInstaller>
+                      <url>http://www.apache.org/dist/jakarta/tomcat-5/v5.5.26/bin/apache-tomcat-5.5.26.zip</url>
+                      <installDir>${project.build.directory}/tomcat-8085</installDir>
+                    </zipUrlInstaller>
+                  </container>
+                  <configuration>
+                    <home>${project.build.directory}/tomcat-8085/container</home>
+                    <properties>
+                      <cargo.servlet.port>8085</cargo.servlet.port>
+                      <cargo.logging>high</cargo.logging>
+                    </properties>
+                  </configuration>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin-->           
+       </plugins>
+   </build>
+
+</project>

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/client/LaunchClient.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/client/LaunchClient.java?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/client/LaunchClient.java (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/client/LaunchClient.java Wed Apr 30 05:31:43 2008
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package client;
+
+import java.io.File;
+
+import helloworld.HelloWorldService;
+
+import org.apache.tuscany.sca.node.SCAClient;
+import org.apache.tuscany.sca.node.SCANode2;
+import org.apache.tuscany.sca.node.SCANode2Factory;
+import org.apache.tuscany.sca.node.SCANode2Factory.SCAContribution;
+import org.osoa.sca.ServiceRuntimeException;
+
+public class LaunchClient {
+    public static void main(String[] args) throws Exception {
+        
+        SCANode2 node = null;
+        try {
+            
+            SCANode2Factory nodeFactory = SCANode2Factory.newInstance();
+            node = nodeFactory.createSCANode(new File("src/main/resources/client-contribution/helloworldwsclient.composite").toURL().toString(),
+                                             new SCAContribution("TestContribution", 
+                                                                 new File("src/main/resources/client-contribution").toURL().toString()));
+
+            node.start();
+            HelloWorldService helloWorldService = ((SCAClient)node).getService(HelloWorldService.class, "HelloWorldClientComponent");
+
+            
+            for (int i=0; i < 10; i++){
+                System.out.println(helloWorldService.getGreetings("World "  + i));
+            } 
+            
+            node.stop();
+            
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        }        
+    }
+}

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/domain/LaunchDomain.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/domain/LaunchDomain.java?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/domain/LaunchDomain.java (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/domain/LaunchDomain.java Wed Apr 30 05:31:43 2008
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package domain;
+
+//import org.apache.tuscany.sca.node.launcher.DomainManagerLauncher;
+
+/**
+ * This server program that loads a composite to provide simple registry function.
+ * This server can be replaced with any registry that is appropriate but the components
+ * in each node that talk to the registry should be replaced also. 
+ */
+public class LaunchDomain {
+    public static void main(String[] args) throws Exception {
+ //       DomainManagerLauncher.main(args);
+    }
+
+}

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldImpl.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldImpl.java?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldImpl.java (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldImpl.java Wed Apr 30 05:31:43 2008
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package helloworld;
+
+import org.osoa.sca.annotations.Service;
+
+/**
+ * This class implements the HelloWorld service.
+ */
+@Service(HelloWorldService.class)
+public class HelloWorldImpl implements HelloWorldService {
+
+    public String getGreetings(String name) {
+        String message = "Hello " + name;
+        System.err.println(message);
+        return message;
+    }
+
+}

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldService.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldService.java?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldService.java (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldService.java Wed Apr 30 05:31:43 2008
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package helloworld;
+
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * This is the business interface of the HelloWorld greetings service.
+ */
+@Remotable
+public interface HelloWorldService {
+
+    public String getGreetings(String name);
+}
+

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldServiceClient.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldServiceClient.java?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldServiceClient.java (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/helloworld/HelloWorldServiceClient.java Wed Apr 30 05:31:43 2008
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package helloworld;
+
+/**
+ * The HelloWorld service implementation
+ */
+public class HelloWorldServiceClient implements HelloWorldService {
+   
+    HelloWorldService helloWorldService;
+
+    public String getGreetings(String name) {
+        System.out.println("Called getGreetings");
+        return helloWorldService.getGreetings(name);
+    }
+
+    public HelloWorldService getHelloWorldService() {
+        System.out.println("Got Injected helloWorldService");
+        return helloWorldService;
+    }
+
+    public void setHelloWorldService(HelloWorldService helloWorldService) {
+        System.out.println("Injected helloWorldService");        
+        this.helloWorldService = helloWorldService;
+    }
+}
\ No newline at end of file

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/demos/loadbalancer/rule/RoundRobinRule.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/demos/loadbalancer/rule/RoundRobinRule.java?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/demos/loadbalancer/rule/RoundRobinRule.java (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/java/org/apache/tuscany/sca/demos/loadbalancer/rule/RoundRobinRule.java Wed Apr 30 05:31:43 2008
@@ -0,0 +1,96 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.tuscany.sca.demos.loadbalancer.rule;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.webapp.balancer.rules.BaseRule;
+
+
+public class RoundRobinRule extends BaseRule {
+    /**
+     * The number of worker nodes that load will  
+     * be balanced across
+     */
+    private int workerCount;
+    
+    private int currentCount = 1;
+
+
+    /**
+     * Sets the worker count.
+     *
+     * @param workerCount The worker count
+     */
+    public void setWorkerCount(int workerCount) {
+        if (workerCount == 0) {
+            throw new IllegalArgumentException(
+                "worker count cannot be 0.");
+        } else {
+            this.workerCount = workerCount;
+        }
+    }
+
+    /**
+     * Returns the worker count.
+     *
+     * @return int The worker count
+     */
+    protected int getWorkerCount() {
+        return workerCount;
+    }
+
+
+
+    /**
+     * @see org.apache.webapp.balancer.Rule#matches(HttpServletRequest)
+     */
+    public boolean matches(HttpServletRequest request) {
+
+        if (currentCount == workerCount){
+            currentCount = 1;
+            return true;
+        } else {
+            currentCount++;
+            return false;
+        }
+    }
+
+    /**
+     * Returns a String representation of this object.
+     *
+     * @return String
+     */
+    public String toString() {
+        StringBuffer buffer = new StringBuffer();
+
+        buffer.append("[");
+        buffer.append(getClass().getName());
+        buffer.append(": ");
+
+        buffer.append("Worker count: ");
+        buffer.append(getWorkerCount());
+        buffer.append(" / ");
+
+        buffer.append("Redirect URL: ");
+        buffer.append(getRedirectUrl());
+
+        buffer.append("]");
+
+        return buffer.toString();
+    }
+}

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Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/resources/client-contribution/helloworldwsclient.composite
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/resources/client-contribution/helloworldwsclient.composite?rev=652367&view=auto
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--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/resources/client-contribution/helloworldwsclient.composite (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/resources/client-contribution/helloworldwsclient.composite Wed Apr 30 05:31:43 2008
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://helloworld"
+	xmlns:hw="http://helloworld"
+	name="helloworldwsclient">
+    
+    <component name="HelloWorldClientComponent">
+      <implementation.java class="helloworld.HelloWorldServiceClient"/>
+      <reference name="helloWorldService">
+        <binding.ws uri="http://localhost/demo-load-balancing-webapp/HelloWorldServiceComponent"/>
+      </reference>
+    </component>
+    
+
+</composite>

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URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/sca-contribution.xml?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/sca-contribution.xml (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/sca-contribution.xml Wed Apr 30 05:31:43 2008
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * Licensed to the Apache Software Foundation (ASF) under one
+    * or more contributor license agreements.  See the NOTICE file
+    * distributed with this work for additional information
+    * regarding copyright ownership.  The ASF licenses this file
+    * to you under the Apache License, Version 2.0 (the
+    * "License"); you may not use this file except in compliance
+    * with the License.  You may obtain a copy of the License at
+    * 
+    *   http://www.apache.org/licenses/LICENSE-2.0
+    * 
+    * Unless required by applicable law or agreed to in writing,
+    * software distributed under the License is distributed on an
+    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    * KIND, either express or implied.  See the License for the
+    * specific language governing permissions and limitations
+    * under the License.    
+-->
+<contribution xmlns="http://www.osoa.org/xmlns/sca/1.0"
+              targetNamespace="http://helloworld"
+              xmlns:credit="http://helloworld">
+   <deployable composite="tns:helloworldws"/>
+</contribution>
\ No newline at end of file

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==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/sca-deployables/helloworldws.composite (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/META-INF/sca-deployables/helloworldws.composite Wed Apr 30 05:31:43 2008
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * Licensed to the Apache Software Foundation (ASF) under one
+    * or more contributor license agreements.  See the NOTICE file
+    * distributed with this work for additional information
+    * regarding copyright ownership.  The ASF licenses this file
+    * to you under the Apache License, Version 2.0 (the
+    * "License"); you may not use this file except in compliance
+    * with the License.  You may obtain a copy of the License at
+    * 
+    *   http://www.apache.org/licenses/LICENSE-2.0
+    * 
+    * Unless required by applicable law or agreed to in writing,
+    * software distributed under the License is distributed on an
+    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    * KIND, either express or implied.  See the License for the
+    * specific language governing permissions and limitations
+    * under the License.    
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+	targetNamespace="http://helloworld"
+	xmlns:hw="http://helloworld"
+    name="helloworldws">
+
+    <component name="HelloWorldServiceComponent">
+        <implementation.java class="helloworld.HelloWorldImpl" />
+	    <service name="HelloWorldService">
+	        <binding.ws/>
+	    </service>
+    </component>
+
+</composite>

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--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/WEB-INF/web.xml (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/main/webapp/WEB-INF/web.xml Wed Apr 30 05:31:43 2008
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!--
+    * Licensed to the Apache Software Foundation (ASF) under one
+    * or more contributor license agreements.  See the NOTICE file
+    * distributed with this work for additional information
+    * regarding copyright ownership.  The ASF licenses this file
+    * to you under the Apache License, Version 2.0 (the
+    * "License"); you may not use this file except in compliance
+    * with the License.  You may obtain a copy of the License at
+    * 
+    *   http://www.apache.org/licenses/LICENSE-2.0
+    * 
+    * Unless required by applicable law or agreed to in writing,
+    * software distributed under the License is distributed on an
+    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    * KIND, either express or implied.  See the License for the
+    * specific language governing permissions and limitations
+    * under the License.    
+-->
+
+<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web
+Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
+<web-app>
+
+  <display-name>Apache Tuscany Load Balancing Demo</display-name>
+   
+  <filter>
+    <filter-name>tuscany</filter-name> 
+    <filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class> 
+  </filter>
+
+  <filter-mapping>
+    <filter-name>tuscany</filter-name> 
+    <url-pattern>/*</url-pattern> 
+  </filter-mapping>    
+
+</web-app>

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--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/httpd.conf (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/httpd.conf Wed Apr 30 05:31:43 2008
@@ -0,0 +1,28 @@
+# Load mod_jk module
+# Update this path to match your modules location
+LoadModule    jk_module  modules/mod_jk.so
+
+# Declare the module for <IfModule directive> (remove this line on Apache 2.x)
+# AddModule     mod_jk.c
+# Where to find workers.properties
+# Update this path to match your conf directory location (put workers.properties next to httpd.conf)
+JkWorkersFile conf/workers.properties
+
+# Where to put jk shared memory
+# Update this path to match your local state directory or logs directory
+JkShmFile     logs/mod_jk.shm
+
+# Where to put jk logs
+# Update this path to match your logs directory location (put mod_jk.log next to access_log)
+JkLogFile     logs/mod_jk.log
+
+# Set the jk log level [debug/error/info]
+JkLogLevel    info
+
+# Select the timestamp log format
+JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "
+
+# Send everything for context /examples to worker named worker1 (ajp13)
+# JkMount  /examples/* worker1
+# Send everything for context /* to the router
+JkMount  /* router

Added: incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/workers.properties
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/workers.properties?rev=652367&view=auto
==============================================================================
--- incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/workers.properties (added)
+++ incubator/tuscany/java/sca/demos/load-balancing-webapp/src/test/resources/apache-80/conf/workers.properties Wed Apr 30 05:31:43 2008
@@ -0,0 +1,18 @@
+  # Load balancer looks after the workers
+  worker.list=router
+  
+  # The load balacer
+  worker.router.type=lb
+  worker.router.balance_workers=worker1,worker2
+
+  # Set properties for worker1 (ajp13)
+  worker.worker1.type=ajp13
+  worker.worker1.host=localhost
+  worker.worker1.port=8010
+  worker.worker1.lbfactor=1
+
+  # Set properties for worker1 (ajp13)
+  worker.worker2.type=ajp13
+  worker.worker2.host=localhost
+  worker.worker2.port=8011
+  worker.worker2.lbfactor=1

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