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+Domain Webapp Sample
+====================
+
+Not actually a webapp just yet as webapp host need to use the new domain for it to work.
+If you run the DomainServer in a debugger you will get a server that provides a registry
+for servide URLs, listens for Nodes starting and stopping and provides a web page where
+you can see what nodes are registered and pull up their web pages.
+
+Use the nodes from the calculator-distributed to register with this domain
+
+
+==========================================
+Below copied from calculator sample as a template for when this gets done
+
+
+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 runDomainNode
+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.DomainNode
+java -cp src\main\resources;..\..\lib\tuscany-sca-manifest.jar;target\sample-calculator-distributed.jar node.CalculatorNode mydomain nodeB
+java -cp src\main\resources;..\..\lib\tuscany-sca-manifest.jar;target\sample-calculator-distributed.jar node.CalculatorNode mydomain nodeC
+java -cp src\main\resources;..\..\lib\tuscany-sca-manifest.jar;target\sample-calculator-distributed.jar node.CalculatorNode mydomain nodeA
+
+and on *nix do
+
+java -cp src/main/resources:../../lib/tuscany-sca-manifest.jar:target/sample-calculator-distributed.jar node.DomainNode
+java -cp src/main/resources:../../lib/tuscany-sca-manifest.jar:target/sample-calculator-distributed.jar node.CalculatorNode mydomain nodeB
+java -cp src/main/resources:../../lib/tuscany-sca-manifest.jar:target/sample-calculator-distributed.jar node.CalculatorNode mydomain nodeC
+java -cp src/main/resources:../../lib/tuscany-sca-manifest.jar:target/sample-calculator-distributed.jar node.CalculatorNode mydomain nodeA
+
+
+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 would see output of invoking the
+calculator functions distributed over NodeB and and NodeC. On the command prompts
+where you have started NodeB and NodeC, you would see log messages that indicate that
+the add and substract 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.
+
+
+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/
+ CalculatorNode.java - runs up an sca application based on
+ configuration given on the command
+ line in the form
+
+ CalculatorNode <domain name> <node name>
+
+ it looks for a directory name the same
+ as <node name> and loads the composites
+ there
+
+ if <node name> = nodeA it calls the
+ +-/* operations otherwise it behaves
+ like a server and waits for service
+ requests
+ DomainNode.java - the node that provides the service
+ discovery mechanism to the distributed
+ domain
+ resources/
+ domain - the SCA assembly for the service discovery
+ function
+ management/ - the SCA assembly for each nodes management
+ function
+ 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 nodeB's part of the
+ calculator application
+ test/
+ java/
+ calculator/
+ DomainInMemoryTestCase.java - JUnit test case which runs all of the
+ separate ndes 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 runDomainNode
+ant runNodeB
+ant runNodeC
+ant runNodeA
+
+You should see the following output from the four separate command prompt:
+
+runDomainNode:
+ [java] log4j:WARN No appenders could be found for logger (org.apache.axiom.
+om.util.StAXUtils).
+ [java] log4j:WARN Please initialize the log4j system properly.
+ [java] 23-Aug-2007 17:40:40 org.apache.tuscany.sca.http.jetty.JettyServer a
+ddServletMapping
+ [java] INFO: Added Servlet mapping: http://localhost:8080/ServiceDiscoveryC
+omponent/ServiceDiscovery
+ [java] Domain node started (press enter to shutdown)
+ [java] Registering service: [mydomain nodeB AddServiceComponent org.apache.
+tuscany.sca.assembly.SCABinding http://localhost:8085/AddServiceComponent]
+ [java] Registering service: [mydomain nodeC SubtractServiceComponent org.ap
+ache.tuscany.sca.assembly.SCABinding http://localhost:8086/SubtractServiceCompon
+ent]
+ [java] Finding service: [mydomain SubtractServiceComponent org.apache.tusca
+ny.sca.assembly.SCABinding]
+ [java] Matching service url: http://localhost:8086/SubtractServiceComponent
+
+ [java] Finding service: [mydomain AddServiceComponent org.apache.tuscany.sc
+a.assembly.SCABinding]
+ [java] Matching service url: http://localhost:8085/AddServiceComponent
+ [java] Java Result: 1
+Terminate batch job (Y/N)? y
+
+
+
+runNodeB:
+ [java] file:/C:/simon/tuscany/java-head/sca/samples/calculator-distributed/
+target/classes/management/
+ [java] log4j:WARN No appenders could be found for logger (org.apache.axiom.
+om.util.StAXUtils).
+ [java] log4j:WARN Please initialize the log4j system properly.
+ [java] Registering service: [mydomain nodeB AddServiceComponent/ org.apache
+.tuscany.sca.assembly.SCABinding http://localhost:8085/AddServiceComponent]
+ [java] 23-Aug-2007 17:41:25 org.apache.tuscany.sca.http.jetty.JettyServer a
+ddServletMapping
+ [java] INFO: Added Servlet mapping: http://localhost:8085/AddServiceCompone
+nt
+ [java] Node started (press enter to shutdown)
+ [java] AddService - add 3.0 and 2.0
+
+
+runNodeC:
+ [java] file:/C:/simon/tuscany/java-head/sca/samples/calculator-distributed/
+target/classes/management/
+ [java] log4j:WARN No appenders could be found for logger (org.apache.axiom.
+om.util.StAXUtils).
+ [java] log4j:WARN Please initialize the log4j system properly.
+ [java] Registering service: [mydomain nodeC SubtractServiceComponent org.ap
+ache.tuscany.sca.assembly.SCABinding http://localhost:8086/SubtractServiceCompon
+ent]
+ [java] 23-Aug-2007 17:41:51 org.apache.tuscany.sca.http.jetty.JettyServer a
+ddServletMapping
+ [java] Node started (press enter to shutdown)
+ [java] INFO: Added Servlet mapping: http://localhost:8086/SubtractServiceCo
+mponent
+ [java] SubtractService - subtract 3.0 and 2.0
+Terminate batch job (Y/N)? y
+
+
+runNodeA:
+ [java] file:/C:/simon/tuscany/java-head/sca/samples/calculator-distributed/
+target/classes/management/
+ [java] log4j:WARN No appenders could be found for logger (org.apache.axiom.
+om.util.StAXUtils).
+ [java] log4j:WARN Please initialize the log4j system properly.
+ [java] 23-Aug-2007 17:42:12 org.apache.tuscany.sca.assembly.builder.impl.Co
+mpositeBuilderImpl$1 problem
+ [java] WARNING: [WARNING] Component reference target not found, it might be
+ a remote service: AddServiceComponent null
+ [java]
+ [java] 23-Aug-2007 17:42:12 org.apache.tuscany.sca.assembly.builder.impl.Co
+mpositeBuilderImpl$1 problem
+ [java] WARNING: [WARNING] Component reference target not found, it might be
+ a remote service: SubtractServiceComponent null
+ [java]
+ [java] Finding service: [mydomain SubtractServiceComponent org.apache.tusca
+ny.sca.assembly.SCABinding]
+ [java] Finding service: [mydomain AddServiceComponent org.apache.tuscany.sc
+a.assembly.SCABinding]
+ [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
+
+
+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 from the test phase.
+
+-------------------------------------------------------
+ T E S T S
+-------------------------------------------------------
+Running calculator.DomainInMemoryTestCase
+Setting up distributed nodes
+file:/C:/simon/tuscany/java-head/sca/samples/calculator-distributed/target/class
+es/management/
+log4j:WARN No appenders could be found for logger (org.apache.axiom.om.util.StAX
+Utils).
+log4j:WARN Please initialize the log4j system properly.
+23-Aug-2007 18:18:41 org.apache.tuscany.sca.assembly.builder.impl.CompositeBuild
+erImpl$1 problem
+WARNING: [WARNING] Component reference target not found, it might be a remote se
+rvice: AddServiceComponent null
+
+23-Aug-2007 18:18:41 org.apache.tuscany.sca.assembly.builder.impl.CompositeBuild
+erImpl$1 problem
+WARNING: [WARNING] Component reference target not found, it might be a remote se
+rvice: SubtractServiceComponent null
+
+file:/C:/simon/tuscany/java-head/sca/samples/calculator-distributed/target/class
+es/management/
+Registering service: [mydomain nodeB AddServiceComponent org.apache.tuscany.sca.
+assembly.SCABinding http://localhost:8085/AddServiceComponent]
+file:/C:/simon/tuscany/java-head/sca/samples/calculator-distributed/target/class
+es/management/
+Registering service: [mydomain nodeC SubtractServiceComponent org.apache.tuscany
+.sca.assembly.SCABinding http://localhost:8086/SubtractServiceComponent]
+Finding service: [mydomain SubtractServiceComponent org.apache.tuscany.sca.assem
+bly.SCABinding]
+Matching service url: http://localhost:8086/SubtractServiceComponent
+Finding service: [mydomain AddServiceComponent org.apache.tuscany.sca.assembly.S
+CABinding]
+Matching service url: http://localhost:8085/AddServiceComponent
+23-Aug-2007 18:18:45 org.apache.tuscany.sca.http.jetty.JettyServer addServletMap
+ping
+INFO: Added Servlet mapping: http://localhost:8085/AddServiceComponent
+23-Aug-2007 18:18:47 org.apache.tuscany.sca.http.jetty.JettyServer addServletMap
+ping
+INFO: Added Servlet mapping: http://localhost:8086/SubtractServiceComponent
+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
+Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.14 sec
+
+Results :
+
+Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
+
+
+This shows that the Junit test cases have run successfully.
+
+Known Bug :
+---------
+The processes that are running NodeB and NodeC do not seem to end on pressing the
+<Enter>. This will be fixed for the next release. For this release you should use
+^C (Control C) to exit these processes.
+
+