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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.jar
Bundle id is 181
osgi> start 181
Jun 22, 2009 1:37:21 PM calculator.dosgi.impl.CalculatorActivator start
INFO: Starting file:./target/sample-dosgi-calculator.jar [181]
Jun 22, 2009 1:37:21 PM calculator.dosgi.impl.CalculatorActivator start
INFO: Registering calculator.dosgi.CalculatorService
Jun 22, 2009 1:37:21 PM calculator.dosgi.impl.CalculatorActivator getBundle
INFO: calculator.dosgi.operations.AddService is loaded by bundle: calculator.dos
gi
Jun 22, 2009 1:37:21 PM org.apache.tuscany.sca.node.impl.NodeImpl start
INFO: Starting node: calculator.dosgi
Jun 22, 2009 1:37:21 PM org.apache.tuscany.sca.node.impl.NodeFactoryImpl configu
reNode
INFO: Loading contribution: bundleentry://181/
Jun 22, 2009 1:37:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpoint
INFO: EndpointRegistry: Add endpoint - Endpoint: URI = CalculatorComponent#serv
ice-binding(CalculatorService/CalculatorService)
2009-06-22 13:37:21.953::INFO: jetty-6.1.x
2009-06-22 13:37:21.953::INFO: Started SelectChannelConnector@0.0.0.0:8086
Jun 22, 2009 1:37:21 PM org.apache.tuscany.sca.http.jetty.JettyServer addServlet
Mapping
INFO: Added Servlet mapping: http://rfengt61p:8086/CalculatorService
Jun 22, 2009 1:37:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpointReference
INFO: EndpointRegistry: Add endpoint reference - Endpoint Reference: URI = Calc
ulatorComponent#reference-binding(addService/addService) Target = Endpoint:
Jun 22, 2009 1:37:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpointReference
INFO: EndpointRegistry: Add endpoint reference - Endpoint Reference: URI = Calc
ulatorComponent#reference-binding(subtractService/subtractService) Target = Endp
oint:
Jun 22, 2009 1:37:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpointReference
INFO: EndpointRegistry: Add endpoint reference - Endpoint Reference: URI = Calc
ulatorComponent#reference-binding(multiplyService/multiplyService) Target = Endp
oint:
Jun 22, 2009 1:37:21 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry addEndpointReference
INFO: EndpointRegistry: Add endpoint reference - Endpoint Reference: URI = Calc
ulatorComponent#reference-binding(divideService/divideService) Target = Endpoint
:
osgi>
You can point your browser to http://localhost:8086/CalculatorService?wsdl to see
the WSDL.
You can also use the WebService Explorer from Eclipse WTP to test the Web Service.
To stop the bundle:
osgi> stop 181
Jun 22, 2009 1:39:09 PM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: calculator.dosgi
Jun 22, 2009 1:39:09 PM org.apache.tuscany.sca.endpoint.tribes.ReplicatedEndpoin
tRegistry removeEndpoint
INFO: EndpointRegistry: Remove endpoint - Endpoint: URI = CalculatorComponent#s
ervice-binding(CalculatorService/CalculatorService)
Jun 22, 2009 1:39:09 PM org.apache.tuscany.sca.http.jetty.JettyServer removeServ
letMapping
INFO: Removed Servlet mapping: /CalculatorService
Jun 22, 2009 1:39:09 PM calculator.dosgi.impl.CalculatorActivator stop
INFO: Stopping file:./target/sample-dosgi-calculator.jar [181]
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/
src/
main/
java/
calculator/
dosgi/
CalculatorService.java - The interface for Calculator service
impl/
CalculatorActivator.java - OSGi bundle activator for Calculator bundle
CalculatorServiceDSImpl.java - OSGi declarative service based implementation
CalculatorServiceImpl.java - Basic OSGi implementation
operations/
AddService.java - Interface for Add
SubtractService.java - Interface for Subtract
MultiplyService.java - Interface for Multiply
DivideService.java - Interface for Divide
rmi/
OperationsRemote.java - RMI remote interface for operations
OperationsRMIServer_Stub.java - RMI stub
OperationsRMIServer.java - RMI server implementation of the operations
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/
test/
CalculatorOSGiNodeTestCase.java - The JUNIT test case that tests this bundle against a RMI service
META-INF/
MANIFEST.MF - The OSGi manifest for this bundle
dosig-calculator.png - a pictorial representation of the sample
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
mvn
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