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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-3.4.0-v20080605-1900.jar -configuration ..\..\features\configuration -clean -console

On *Unix, run
java -jar ../../modules/osgi-3.4.0-v20080605-1900.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 181

osgi> start 181
Jun 22, 2009 2:09:21 PM calculator.dosgi.operations.impl.OperationsActivator sta
rt
INFO: Starting file:./target/sample-dosgi-calculator-operations.jar [181]
Jun 22, 2009 2:09:21 PM calculator.dosgi.operations.impl.OperationsActivator sta
rt
INFO: Registering calculator.dosgi.operations.AddService
Jun 22, 2009 2:09:21 PM calculator.dosgi.operations.impl.OperationsActivator sta
rt
INFO: Registering calculator.dosgi.operations.SubtractService
Jun 22, 2009 2:09:21 PM calculator.dosgi.operations.impl.OperationsActivator sta
rt
INFO: Registering calculator.dosgi.operations.MultiplyService
Jun 22, 2009 2:09:21 PM calculator.dosgi.operations.impl.OperationsActivator sta
rt
INFO: Registering calculator.dosgi.operations.DivideService
Jun 22, 2009 2:09:21 PM calculator.dosgi.operations.impl.OperationsActivator get
Bundle
INFO: calculator.dosgi.operations.AddService is loaded by bundle: calculator.dos
gi.operations
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.node.impl.NodeImpl start
INFO: Starting node: calculator.dosgi.operations
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.node.impl.NodeFactoryImpl configu
reNode
INFO: Loading contribution: bundleentry://181/
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpoint
INFO: EndpointRegistry: Add endpoint - Endpoint:  URI = OperationsComponent#serv
ice-binding(AddService/AddService)
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerS
ervice
INFO: RMI service registered: rmi://localhost:8085/AddService
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpoint
INFO: EndpointRegistry: Add endpoint - Endpoint:  URI = OperationsComponent#serv
ice-binding(SubtractService/SubtractService)
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerS
ervice
INFO: RMI service registered: rmi://localhost:8085/SubtractService
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpoint
INFO: EndpointRegistry: Add endpoint - Endpoint:  URI = OperationsComponent#serv
ice-binding(MultiplyService/MultiplyService)
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerS
ervice
INFO: RMI service registered: rmi://localhost:8085/MultiplyService
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpoint
INFO: EndpointRegistry: Add endpoint - Endpoint:  URI = OperationsComponent#serv
ice-binding(DivideService/DivideService)
Jun 22, 2009 2:09:21 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerS
ervice
INFO: RMI service registered: rmi://localhost:8085/DivideService

osgi>

To stop the bundle:

osgi> stop 181
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: calculator.dosgi.operations
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry removeEndpoint
INFO: EndpointRegistry: Remove endpoint - Endpoint:  URI = OperationsComponent#s
ervice-binding(AddService/AddService)
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregiste
rService
INFO: RMI service unregistered: rmi://localhost:8085/AddService
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry removeEndpoint
INFO: EndpointRegistry: Remove endpoint - Endpoint:  URI = OperationsComponent#s
ervice-binding(SubtractService/SubtractService)
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregiste
rService
INFO: RMI service unregistered: rmi://localhost:8085/SubtractService
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry removeEndpoint
INFO: EndpointRegistry: Remove endpoint - Endpoint:  URI = OperationsComponent#s
ervice-binding(MultiplyService/MultiplyService)
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregiste
rService
INFO: RMI service unregistered: rmi://localhost:8085/MultiplyService
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry removeEndpoint
INFO: EndpointRegistry: Remove endpoint - Endpoint:  URI = OperationsComponent#s
ervice-binding(DivideService/DivideService)
Jun 22, 2009 2:09:48 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregiste
rService
INFO: RMI service unregistered: rmi://localhost:8085/DivideService
Jun 22, 2009 2:09:48 PM calculator.dosgi.operations.impl.OperationsActivator sto
p
INFO: Stopping file:./target/sample-dosgi-calculator-operations.jar [181]

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