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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 <distribution-unpack-dir>/samples directory provides
general instructions about building and running samples. (where
distribution-unpack-dir is the directory in which you unpacked the tuscany
binary distribution archive). Take a look there first (noting at you read it that this sample
is not a new style sample).
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>
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 198
osgi> start 198
Nov 4, 2009 9:40:00 AM calculator.dosgi.impl.CalculatorActivator start
INFO: Starting calculator.dosgi_1.0.0 [198]
Nov 4, 2009 9:40:01 AM calculator.dosgi.impl.CalculatorActivator start
INFO: Registering calculator.dosgi.CalculatorService
Nov 4, 2009 9:40:01 AM calculator.dosgi.impl.CalculatorActivator getBundle
INFO: calculator.dosgi.operations.AddService is loaded by bundle: calculator.dos
gi
Nov 4, 2009 9:40:01 AM org.apache.tuscany.sca.node.impl.NodeImpl start
INFO: Starting node: calculator.dosgi domain: tuscany.apache.org
Nov 4, 2009 9:40:01 AM org.apache.tuscany.sca.node.impl.NodeFactoryImpl loadCont
ributions
INFO: Loading contribution: bundleentry://198.fwk15020296/
log4j:WARN No appenders could be found for logger (org.apache.axiom.om.util.StAX
Utils).
log4j:WARN Please initialize the log4j system properly.
Nov 4, 2009 9:40:47 AM org.mortbay.log.Slf4jLog info
INFO: Logging to org.slf4j.impl.JDK14LoggerAdapter(org.mortbay.log) via org.mort
bay.log.Slf4jLog
Nov 4, 2009 9:40:48 AM org.apache.tuscany.sca.http.jetty.JettyLogger info
INFO: jetty-6.1.x
Nov 4, 2009 9:40:48 AM org.apache.tuscany.sca.http.jetty.JettyLogger info
INFO: Started SelectChannelConnector@0.0.0.0:8086
Nov 4, 2009 9:40:48 AM org.apache.tuscany.sca.http.jetty.JettyServer addServletM
apping
INFO: Added Servlet mapping: http://rfengt61p:8086/CalculatorService
Nov 4, 2009 9:40:48 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@1277930)Endpoint: URI = CalculatorComponent#service-bind
ing(CalculatorService/CalculatorService)
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 198
Nov 4, 2009 9:41:22 AM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: calculator.dosgi
Nov 4, 2009 9:41:22 AM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@1277930)Endpoint: URI = CalculatorComponent#service-b
inding(CalculatorService/CalculatorService)
Nov 4, 2009 9:41:22 AM org.apache.tuscany.sca.http.jetty.JettyServer removeServl
etMapping
INFO: Removed Servlet mapping: /CalculatorService
Nov 4, 2009 9:41:22 AM calculator.dosgi.impl.CalculatorActivator stop
INFO: Stopping calculator.dosgi_1.0.0 [198]
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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