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Distributed OSGi Calculator Sample
==================================
This sample implements a distributed calculator using Distributed OSGi (RFC 119) over SCA.

The README in the samples directory (the directory above this) provides
general instructions about building and running samples. Take a look there
first.

On Windows, run
java -jar ..\..\modules\osgi-3.5.0-v20090520.jar -configuration ..\..\features\configuration -clean -console

On *Unix, run
java -jar ../../modules/osgi-3.5.0-v20090520.jar -configuration ../../features/configuration -clean -console

You should see the osgi console:

osgi>

osgi> Jun 22, 2009 1:32:27 PM org.apache.tuscany.sca.extensibility.equinox.EquinoxServiceDiscoveryActivator start
INFO: Equinox-based service discoverer is now configured.

You can run "ss" command under the osgi> to see the status of the bundles.
osgi> ss

Then you can install and start the calculator.dosgi bundle:

osgi> install file:./target/sample-dosgi-calculator-operations.jar
Bundle id is 198

osgi> start 198
Nov 4, 2009 9:51:56 AM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Starting calculator.dosgi.operations_1.0.0 [198]
Nov 4, 2009 9:51:56 AM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Registering calculator.dosgi.operations.AddService
Nov 4, 2009 9:51:56 AM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Registering calculator.dosgi.operations.SubtractService
Nov 4, 2009 9:51:56 AM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Registering calculator.dosgi.operations.MultiplyService
Nov 4, 2009 9:51:56 AM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Registering calculator.dosgi.operations.DivideService
Nov 4, 2009 9:51:56 AM calculator.dosgi.operations.impl.OperationsActivator getB
undle
INFO: calculator.dosgi.operations.AddService is loaded by bundle: calculator.dos
gi.operations
Nov 4, 2009 9:51:56 AM org.apache.tuscany.sca.node.impl.NodeImpl start
INFO: Starting node: calculator.dosgi.operations domain: tuscany.apache.org
Nov 4, 2009 9:51:56 AM org.apache.tuscany.sca.node.impl.NodeFactoryImpl loadCont
ributions
INFO: Loading contribution: bundleentry://198.fwk8152936/
Nov 4, 2009 9:52:00 AM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe
rvice
INFO: RMI service registered: rmi://localhost:8085/AddService
Nov 4, 2009 9:52:00 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@27845948)Endpoint:  URI = OperationsComponent#service-bin
ding(AddService/AddService)
Nov 4, 2009 9:52:00 AM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe
rvice
INFO: RMI service registered: rmi://localhost:8085/SubtractService
Nov 4, 2009 9:52:00 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@10576215)Endpoint:  URI = OperationsComponent#service-bin
ding(SubtractService/SubtractService)
Nov 4, 2009 9:52:00 AM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe
rvice
INFO: RMI service registered: rmi://localhost:8085/MultiplyService
Nov 4, 2009 9:52:00 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@31713234)Endpoint:  URI = OperationsComponent#service-bin
ding(MultiplyService/MultiplyService)
Nov 4, 2009 9:52:00 AM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe
rvice
INFO: RMI service registered: rmi://localhost:8085/DivideService
Nov 4, 2009 9:52:00 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@10202447)Endpoint:  URI = OperationsComponent#service-bin
ding(DivideService/DivideService)

osgi>

To stop the bundle:

osgi> stop 198
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: calculator.dosgi.operations
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@27845948)Endpoint:  URI = OperationsComponent#service-
binding(AddService/AddService)
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister
Service
INFO: RMI service unregistered: rmi://localhost:8085/AddService
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@10576215)Endpoint:  URI = OperationsComponent#service-
binding(SubtractService/SubtractService)
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister
Service
INFO: RMI service unregistered: rmi://localhost:8085/SubtractService
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@31713234)Endpoint:  URI = OperationsComponent#service-
binding(MultiplyService/MultiplyService)
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister
Service
INFO: RMI service unregistered: rmi://localhost:8085/MultiplyService
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@10202447)Endpoint:  URI = OperationsComponent#service-
binding(DivideService/DivideService)
Nov 4, 2009 9:53:19 AM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister
Service
INFO: RMI service unregistered: rmi://localhost:8085/DivideService
Nov 4, 2009 9:53:19 AM calculator.dosgi.operations.impl.OperationsActivator stop

INFO: Stopping calculator.dosgi.operations_1.0.0 [198]

osgi>

To exit the console, run:
osgi> exit

Sample Overview
---------------
The application consists of two OSGi bundles:
 * The calculator bundle: It provides the calculator service. The service is implemented by a java class that
   consumes other services to perform the �add�, �subtract�, �multiply� and �divide� operations.
 * The operations bundle: It provides the add/subtract/multiply/divide services.
   (See ../samples/dosgi-calculator-operations)


dosgi-calculator-operations/
  src/
    main/
      java/
        calculator/
            dosgi/
                operations/
                    AddService.java - Interface for Add
                    SubtractService.java - Interface for Subtract
                    MultiplyService.java - Interface for Multiply
                    DivideService.java - Interface for Divide
                    impl/
                        OperationsActivator.java - OSGi bundle activator
                        AddServiceImpl.java - Implementation for Add
                        SubtractServiceImpl.java - Implementation for Subtract
                        MultiplyServiceImpl.java - Implementation for Multiply
                        DivideServiceImpl.java - Implementation for Divide
      resources/
            META-INF/
                sca-contribution.xml
            OSGI-INF/
                sca/
                    bundle.componentType - The component type for implementation.osgi of this bundle
                    bundle.composite - The composite file
  test/
    java/
        src/
            calculator/
                dosgi/
                    operations/
                        test/
                            OperationsOSGiNodeTestCase.java - The JUNIT test case that tests this bundle using a RMI client

  META-INF/
    MANIFEST.MF - The OSGi manifest for this bundle
  pom.xml                         - the Maven build file



Building And Running The Test Case Using Maven
-------------------------------------------
With either the binary or source distributions the sample can be built and run
using Maven as follows.

cd dosgi-calculator-operations
mvn