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-Calculator Distributed Sample
-=============================
-This sample implements a simple calculator using SCA components.  It uses 
-exactly the same calculator application classes as the calculator sample but 
-runs the application distributed across three nodes.
-
-A node in this sample means an instance of the Tuscany SCA java runtime running
-in a Java virtual machine. 
-
-The README in the samples directory (the directory above this) provides 
-general instructions about building and running samples. Take a look there 
-first. 
-
-If you just want to run it to see what happens open four command prompts and 
-navigate to this sample directory in each one. There is one command to be run 
-in each command prompt:
-
-ant runDomain
-ant runNodeB
-ant runNodeC
-ant runNodeA
-
-Please run the commands in this order. 
-
-OR if you don't have ant, on Windows use
-
-java -cp src\main\resources;..\..\lib\tuscany-sca-manifest.jar;target\sample-calculator-distributed.jar node.LaunchDomain
-java -cp src\main\resources;..\..\lib\tuscany-sca-manifest.jar;target\sample-calculator-distributed.jar node.LaunchCalculatorNodeB
-java -cp src\main\resources;..\..\lib\tuscany-sca-manifest.jar;target\sample-calculator-distributed.jar node.LaunchCalculatorNodeC
-java -cp src\main\resources;..\..\lib\tuscany-sca-manifest.jar;target\sample-calculator-distributed.jar node.LaunchCalculatorNodeA
-
-and on *nix do
-
-java -cp src/main/resources:../../lib/tuscany-sca-manifest.jar:target/sample-calculator-distributed.jar node.LaunchDomain
-java -cp src/main/resources:../../lib/tuscany-sca-manifest.jar:target/sample-calculator-distributed.jar node.LaunchCalculatorNodeB
-java -cp src/main/resources:../../lib/tuscany-sca-manifest.jar:target/sample-calculator-distributed.jar node.LaunchCalculatorNodeC
-java -cp src/main/resources:../../lib/tuscany-sca-manifest.jar:target/sample-calculator-distributed.jar node.LaunchCalculatorNodeA
-
-
-The processes started on each of these command prompts can be ended by pressing 
-the <Enter> key.
-
-
-Sample Overview
----------------
-The sample provides a single calculator service with a default SCA (java) 
-binding. NodeA exercises this interface by calling add, subtract, multiply and 
-divide operations. 
-
-In the case of add and subtract the runtime recognises that
-it can't find these services locally and, using the remote (web services) 
-version of the default SCA binding, contacts the add service running in NodeB 
-and the subtract service running in NodeC. 
-
-On the command prompt where you started NodeA, you see the output of invoking the 
-calculator functions distributed over NodeB and and NodeC.  On the command prompts 
-where you have started NodeB and NodeC, you see log messages that indicate that
-the add and subtract services where called on these nodes respectively.
-
-The sample demonstrates that the calculator application can be distributed
-across multiple nodes with no change to the application or to the SCA description
-files. 
-
-The domain node makes available a web application through which the contributions and 
-composites used in this sample can be navigated. One you have run "ant runDomain" you can 
-point you browser at:
-
-http://localhost:9990/ui/workspace/
-
-The contents of the sample are as follows:
-
-calculator/
-  src/
-    main/
-      java/
-        calculator/
-          CalculatorService.java  - the first component, calls +-/* as 
-                                    appropriate
-          AddService.java         - adds two numbers
-          AddServiceImpl.java
-          SubtractService.java    - subtracts one number from another
-          SubtractServiceImpl.java
-          MultiplyService.java    - multiplies two numbers
-          MultiplyServiceImpl.java
-          DivideService.java      - divides one number by another
-          DivideServiceImpl.java
-        node/
-          LaunchCalculatorNodeA.java - runs an sca node configured with the 
-                                    composite describing the main calculator
-                                    application. If you look inside this class
-                                    you will see that the node is configured
-                                    using a URL of the form:
-                                    
-                                    http://localhost:9990/node-config/NodeA
-                                    
-                                    This retrieves the information required
-                                    to configure NodeA from the domain.
-
-                                    Once the node has been started this launcher
-                                    then finds the calculator service and 
-                                    calls the various methods.
-                                    
-          LaunchCalculatorNodeB&C.java -  These launchers start nodes B and C
-                                    which runs the add and subtract services.
-                                    
-                                    Unlike NodeA though these launchers just
-                                    wait once the node has been started. They
-                                    will service incomming web service requests
-                                    as they arrive.  
-
-           LaunchDomain.java      - the node that provides the domain 
-                                    configuration to the distributed
-                                    nodes
-      resources/
-        cloud                     - The SCA composite files that describe
-                                    the configuration of each node				
-        nodeA                     - the SCA assembly for nodeA's part of the 
-                                    calculator application
-        nodeB                     - the SCA assembly for nodeB's part of the 
-                                    calculator application
-        nodeC                     - the SCA assembly for nodeC's part of the 
-                                    calculator application
-    test/
-      java/
-        calculator/
-          CalculatorDistributedTestCase.java - JUnit test case which runs all 
-                                    of the separate nodes along with the domain
-                                    in a single VM for test purposes
-  calculator-distributed.png      - a pictorial representation of the sample 
-                                    .composite files
-  build.xml                       - the Ant build file
-  pom.xml                         - the Maven build file        
-
-
-Building And Running The Sample Using Ant
------------------------------------------
-With the binary distribution the sample can be built and run using Ant as 
-follows
-
-cd calculator-distributed
-ant compile
-ant runDomain
-ant runNodeB
-ant runNodeC
-ant runNodeA
-
-You should see the following output from the four separate command prompt:
-
-runDomain:
-ted>ant runDomain
-Buildfile: build.xml
-
-runDomain:
-     [java] 26-Mar-2008 12:55:12 org.apache.tuscany.sca.node.launcher.DomainMana
-gerLauncher main
-     [java] INFO: Apache Tuscany SCA Domain Manager starting...
-     [java] 26-Mar-2008 12:55:13 org.apache.tuscany.sca.node.launcher.NodeLaunch
-erUtil collectJARFiles
-     [java] INFO: Runtime classpath: 147 JARs from C:\simon\tuscany\sca-java-1.2
-\distribution\target\apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir\tuscany-sca-
-1.2-incubating-SNAPSHOT\lib
-     [java] 26-Mar-2008 12:55:13 org.apache.tuscany.sca.node.launcher.NodeLaunch
-erUtil collectJARFiles
-     [java] INFO: Runtime classpath: 89 JARs from C:\simon\tuscany\sca-java-1.2\
-distribution\target\apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir\tuscany-sca-1
-.2-incubating-SNAPSHOT\modules
-     [java] 26-Mar-2008 12:55:19 org.apache.catalina.core.StandardEngine start
-     [java] INFO: Starting Servlet Engine: Apache Tomcat/6.0.14
-     [java] 26-Mar-2008 12:55:20 org.apache.catalina.startup.ContextConfig defau
-ltWebConfig
-     [java] INFO: No default web.xml
-     [java] 26-Mar-2008 12:55:20 org.apache.catalina.startup.DigesterFactory reg
-ister
-     [java] WARNING: Could not get url for /javax/servlet/jsp/resources/jsp_2_0.
-xsd
-     [java] 26-Mar-2008 12:55:20 org.apache.catalina.startup.DigesterFactory reg
-ister
-     [java] WARNING: Could not get url for /javax/servlet/jsp/resources/jsp_2_1.
-xsd
-     [java] 26-Mar-2008 12:55:20 org.apache.catalina.startup.DigesterFactory reg
-ister
-     [java] WARNING: Could not get url for /javax/servlet/jsp/resources/web-jspt
-aglibrary_1_1.dtd
-     [java] 26-Mar-2008 12:55:20 org.apache.catalina.startup.DigesterFactory reg
-ister
-     [java] WARNING: Could not get url for /javax/servlet/jsp/resources/web-jspt
-aglibrary_1_2.dtd
-     [java] 26-Mar-2008 12:55:20 org.apache.catalina.startup.DigesterFactory reg
-ister
-     [java] WARNING: Could not get url for /javax/servlet/jsp/resources/web-jspt
-aglibrary_2_0.xsd
-     [java] 26-Mar-2008 12:55:20 org.apache.catalina.startup.DigesterFactory reg
-ister
-     [java] WARNING: Could not get url for /javax/servlet/jsp/resources/web-jspt
-aglibrary_2_1.xsd
-     [java] 26-Mar-2008 12:55:20 org.apache.catalina.startup.DigesterFactory reg
-ister
-     [java] WARNING: Could not get url for /javax/servlet/resources/j2ee_web_ser
-vices_1_1.xsd
-     [java] 26-Mar-2008 12:55:20 org.apache.coyote.http11.Http11Protocol init
-     [java] INFO: Initializing Coyote HTTP/1.1 on http-9990
-     [java] 26-Mar-2008 12:55:20 org.apache.coyote.http11.Http11Protocol start
-     [java] INFO: Starting Coyote HTTP/1.1 on http-9990
-     [java] 26-Mar-2008 12:55:20 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/ui/home/*
-     [java] 26-Mar-2008 12:55:20 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/ui/workspace/*
-     [java] 26-Mar-2008 12:55:20 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/ui/files/*
-     [java] 26-Mar-2008 12:55:20 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/ui/composite/*
-     [java] 26-Mar-2008 12:55:20 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/ui/cloud/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/workspace/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/contribution/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/feed/files/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/files/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/composite/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/composite-source/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/deployable/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/composite-resolved/
-*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/cloud/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/cloud-source/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/composite-config/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/node-config/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/quickstart/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/processes/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/node/processes/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.http.tomcat.TomcatServer
- addServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:9990/ping/*
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.node.launcher.DomainMana
-gerLauncher main
-     [java] INFO: SCA Domain Manager started.
-     [java] 26-Mar-2008 12:55:21 org.apache.tuscany.sca.node.launcher.DomainMana
-gerLauncher main
-     [java] INFO: Press enter to shutdown.
-
-
-runNodeB:
-     [java] 26-Mar-2008 12:55:42 org.apache.tuscany.sca.node.launcher.NodeLaunch
-er main
-     [java] INFO: Apache Tuscany SCA Node starting...
-     [java] 26-Mar-2008 12:55:42 org.apache.tuscany.sca.node.launcher.NodeLaunch
-er main
-     [java] INFO: SCA Node configuration: http://localhost:9990/node-config/NodeB
-
-     [java] 26-Mar-2008 12:55:42 org.apache.tuscany.sca.node.launcher.NodeLaunch
-erUtil collectJARFiles
-     [java] INFO: Runtime classpath: 147 JARs from C:\simon\tuscany\sca-java-1.2
-\distribution\target\apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir\tuscany-sca-
-1.2-incubating-SNAPSHOT\lib
-     [java] 26-Mar-2008 12:55:42 org.apache.tuscany.sca.node.launcher.NodeLaunch
-erUtil collectJARFiles
-     [java] INFO: Runtime classpath: 89 JARs from C:\simon\tuscany\sca-java-1.2\
-distribution\target\apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir\tuscany-sca-1
-.2-incubating-SNAPSHOT\modules
-     [java] 26-Mar-2008 12:55:42 org.apache.tuscany.sca.node.impl.NodeImpl <init
->
-     [java] INFO: Creating node: http://localhost:9990/node-config/NodeB
-     [java] 26-Mar-2008 12:55:45 org.apache.tuscany.sca.node.impl.NodeImpl confi
-gureNode
-     [java] INFO: Loading contribution: file:/C:/simon/tuscany/sca-java-1.2/dist
-ribution/target/apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir/tuscany-sca-1.2-i
-ncubating-SNAPSHOT/samples/calculator-distributed/./src/main/resources/nodeB/
-     [java] 26-Mar-2008 12:55:46 org.apache.tuscany.sca.node.impl.NodeImpl confi
-gureNode
-     [java] INFO: Loading composite: http://localhost:9990/composite-resolved/co
-mposite:nodeB;http://sample;CalculatorB
-     [java] 26-Mar-2008 12:55:47 org.apache.tuscany.sca.node.impl.NodeImpl start
-
-     [java] INFO: Starting node: http://localhost:9990/node-config/NodeB
-     [java] Warning: Running an XSLT 1.0 stylesheet with an XSLT 2.0 processor
-     [java] 26-Mar-2008 12:55:53 org.apache.tuscany.sca.http.jetty.JettyServer a
-ddServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:8200/AddServiceComponent
-B
-     [java] 26-Mar-2008 12:55:53 org.apache.tuscany.sca.node.launcher.NodeLaunch
-er main
-     [java] INFO: SCA Node started.
-     [java] 26-Mar-2008 12:55:53 org.apache.tuscany.sca.node.launcher.NodeLaunch
-er main
-     [java] INFO: Press enter to shutdown.
-     [java] AddService - add 3.0 and 2.0
-     
-runNodeC:
-     [java] 26-Mar-2008 12:56:01 org.apache.tuscany.sca.node.launcher.NodeLaunch
-er main
-     [java] INFO: Apache Tuscany SCA Node starting...
-     [java] 26-Mar-2008 12:56:01 org.apache.tuscany.sca.node.launcher.NodeLaunch
-er main
-     [java] INFO: SCA Node configuration: http://localhost:9990/node-config/NodeC
-
-     [java] 26-Mar-2008 12:56:01 org.apache.tuscany.sca.node.launcher.NodeLaunch
-erUtil collectJARFiles
-     [java] INFO: Runtime classpath: 147 JARs from C:\simon\tuscany\sca-java-1.2
-\distribution\target\apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir\tuscany-sca-
-1.2-incubating-SNAPSHOT\lib
-     [java] 26-Mar-2008 12:56:01 org.apache.tuscany.sca.node.launcher.NodeLaunch
-erUtil collectJARFiles
-     [java] INFO: Runtime classpath: 89 JARs from C:\simon\tuscany\sca-java-1.2\
-distribution\target\apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir\tuscany-sca-1
-.2-incubating-SNAPSHOT\modules
-     [java] 26-Mar-2008 12:56:01 org.apache.tuscany.sca.node.impl.NodeImpl <init
->
-     [java] INFO: Creating node: http://localhost:9990/node-config/NodeC
-     [java] 26-Mar-2008 12:56:03 org.apache.tuscany.sca.node.impl.NodeImpl confi
-gureNode
-     [java] INFO: Loading contribution: file:/C:/simon/tuscany/sca-java-1.2/dist
-ribution/target/apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir/tuscany-sca-1.2-i
-ncubating-SNAPSHOT/samples/calculator-distributed/./src/main/resources/nodeC/
-     [java] 26-Mar-2008 12:56:04 org.apache.tuscany.sca.node.impl.NodeImpl confi
-gureNode
-     [java] INFO: Loading composite: http://localhost:9990/composite-resolved/co
-mposite:nodeC;http://sample;CalculatorC
-     [java] 26-Mar-2008 12:56:04 org.apache.tuscany.sca.node.impl.NodeImpl start
-
-     [java] INFO: Starting node: http://localhost:9990/node-config/NodeC
-     [java] Warning: Running an XSLT 1.0 stylesheet with an XSLT 2.0 processor
-     [java] 26-Mar-2008 12:56:10 org.apache.tuscany.sca.http.jetty.JettyServer a
-ddServletMapping
-     [java] INFO: Added Servlet mapping: http://L3AW203:8300/SubtractServiceComp
-onentC
-     [java] 26-Mar-2008 12:56:10 org.apache.tuscany.sca.node.launcher.NodeLaunch
-er main
-     [java] INFO: SCA Node started.
-     [java] 26-Mar-2008 12:56:10 org.apache.tuscany.sca.node.launcher.NodeLaunch
-er main
-     [java] INFO: Press enter to shutdown.
-     [java] SubtractService - subtract 3.0 and 2.0
-     
-runNodeA:
-     [java] 26-Mar-2008 12:56:10 org.apache.tuscany.sca.node.impl.NodeImpl <init
->
-     [java] INFO: Creating node: http://localhost:9990/node-config/NodeA
-     [java] 26-Mar-2008 12:56:12 org.apache.tuscany.sca.node.impl.NodeImpl confi
-gureNode
-     [java] INFO: Loading contribution: file:/C:/simon/tuscany/sca-java-1.2/dist
-ribution/target/apache-tuscany-sca-1.2-incubating-SNAPSHOT.dir/tuscany-sca-1.2-i
-ncubating-SNAPSHOT/samples/calculator-distributed/./src/main/resources/nodeA/
-     [java] 26-Mar-2008 12:56:13 org.apache.tuscany.sca.node.impl.NodeImpl confi
-gureNode
-     [java] INFO: Loading composite: http://localhost:9990/composite-resolved/co
-mposite:nodeA;http://sample;CalculatorA
-     [java] 26-Mar-2008 12:56:14 org.apache.tuscany.sca.assembly.builder.impl.Co
-mpositeBuilderImpl$1 problem
-     [java] WARNING: Component reference target not found, it might be a remote
-service: SubtractServiceComponentC
-     [java] 26-Mar-2008 12:56:14 org.apache.tuscany.sca.assembly.builder.impl.Co
-mpositeBuilderImpl$1 problem
-     [java] WARNING: Component reference target not found, it might be a remote
-service: AddServiceComponentB
-     [java] 26-Mar-2008 12:56:14 org.apache.tuscany.sca.node.impl.NodeImpl start
-
-     [java] INFO: Starting node: http://localhost:9990/node-config/NodeA
-     [java] Warning: Running an XSLT 1.0 stylesheet with an XSLT 2.0 processor
-     [java] Warning: Running an XSLT 1.0 stylesheet with an XSLT 2.0 processor
-     [java] CalculatorService - add 3.0 and 2.0
-     [java] 3 + 2=5.0
-     [java] CalculatorService - subtract 3.0 and 2.0
-     [java] 3 - 2=1.0
-     [java] CalculatorService - multiply 3.0 and 2.0
-     [java] 3 * 2=6.0
-     [java] CalculatorService - divide 3.0 and 2.0
-     [java] 3 / 2=1.5
-     [java] 26-Mar-2008 12:56:20 org.apache.tuscany.sca.node.impl.NodeImpl stop
-     [java] INFO: Stopping node: http://localhost:9990/node-config/NodeA
-
-Building And Running The Sample Using Maven 
--------------------------------------------
-With either the binary or source distributions the sample can be built and run 
-using Maven as follows. When running from Maven the four nodes all run within 
-Java virtual machine. 
-
-cd calculator-distributed
-mvn
-
-You should see the following output at the end of the test phase.
-
-INFO: Starting node: http://localhost:9990/node-config/NodeA
-CalculatorService - add 3.0 and 2.0
-AddService - add 3.0 and 2.0
-CalculatorService - subtract 3.0 and 2.0
-SubtractService - subtract 3.0 and 2.0
-CalculatorService - multiply 3.0 and 2.0
-CalculatorService - divide 3.0 and 2.0
-26-Mar-2008 13:00:52 org.apache.tuscany.sca.node.impl.NodeImpl stop
-INFO: Stopping node: http://localhost:9990/node-config/NodeC
-26-Mar-2008 13:00:52 org.apache.tuscany.sca.node.impl.NodeImpl stop
-INFO: Stopping node: http://localhost:9990/node-config/NodeB
-26-Mar-2008 13:00:52 org.apache.tuscany.sca.node.impl.NodeImpl stop
-INFO: Stopping node: http://localhost:9990/node-config/NodeA
-Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 13.328 sec
-
-Results :
-
-Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
-
-This shows that the Junit test cases have run successfully. 
-
-
-