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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>
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-dynamic-calculator-operations.jar
Bundle id is 198
osgi> start 198
Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Starting calculator.dosgi.dynamic.operations_1.0.0 [198]
Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Registering calculator.dosgi.operations.AddService
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.node.impl.NodeImpl start
INFO: Starting node: urn:osgi.service.d3cadb93-e9b9-4486-87eb-07ece11888f6 domai
n: tuscany.apache.org
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe
rvice
INFO: RMI service registered: rmi://localhost:8085/AddService
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@8144744)Endpoint: URI = osgi.service.d3cadb93-e9b9-4486-
87eb-07ece11888f6#service-binding(AddService/Add)
Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Registering calculator.dosgi.operations.SubtractService
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.node.impl.NodeImpl start
INFO: Starting node: urn:osgi.service.b6259ccc-6ae4-41f0-b61b-c5a8c7f42b35 domai
n: tuscany.apache.org
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe
rvice
INFO: RMI service registered: rmi://localhost:8085/SubtractService
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@30229114)Endpoint: URI = osgi.service.b6259ccc-6ae4-41f0
-b61b-c5a8c7f42b35#service-binding(SubtractService/Subtract)
Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Registering calculator.dosgi.operations.MultiplyService
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.node.impl.NodeImpl start
INFO: Starting node: urn:osgi.service.8469c64c-9a28-47b3-bc4a-c5fa8d471057 domai
n: tuscany.apache.org
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe
rvice
INFO: RMI service registered: rmi://localhost:8085/MultiplyService
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@3312704)Endpoint: URI = osgi.service.8469c64c-9a28-47b3-
bc4a-c5fa8d471057#service-binding(MultiplyService/Multiply)
Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star
t
INFO: Registering calculator.dosgi.operations.DivideService
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.node.impl.NodeImpl start
INFO: Starting node: urn:osgi.service.b43555f0-9509-444e-b22a-06d347ab7e98 domai
n: tuscany.apache.org
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe
rvice
INFO: RMI service registered: rmi://localhost:8085/DivideService
Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl addEndpoint
INFO: Add endpoint - (@8010288)Endpoint: URI = osgi.service.b43555f0-9509-444e-
b22a-06d347ab7e98#service-binding(DivideService/Divide)
Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator getB
undle
INFO: calculator.dosgi.operations.AddService is loaded by bundle: calculator.dos
gi.dynamic.operations
osgi>
To stop the bundle:
osgi> stop 198
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: urn:osgi.service.b43555f0-9509-444e-b22a-06d347ab7e98
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@8010288)Endpoint: URI = osgi.service.b43555f0-9509-44
4e-b22a-06d347ab7e98#service-binding(DivideService/Divide)
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister
Service
INFO: RMI service unregistered: rmi://localhost:8085/DivideService
Nov 4, 2009 5:18:43 PM calculator.dosgi.operations.impl.OperationsActivator stop
INFO: Stopping calculator.dosgi.dynamic.operations_1.0.0 [198]
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: urn:osgi.service.d3cadb93-e9b9-4486-87eb-07ece11888f6
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@8144744)Endpoint: URI = osgi.service.d3cadb93-e9b9-44
86-87eb-07ece11888f6#service-binding(AddService/Add)
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister
Service
INFO: RMI service unregistered: rmi://localhost:8085/AddService
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: urn:osgi.service.b6259ccc-6ae4-41f0-b61b-c5a8c7f42b35
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@30229114)Endpoint: URI = osgi.service.b6259ccc-6ae4-4
1f0-b61b-c5a8c7f42b35#service-binding(SubtractService/Subtract)
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister
Service
INFO: RMI service unregistered: rmi://localhost:8085/SubtractService
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: urn:osgi.service.8469c64c-9a28-47b3-bc4a-c5fa8d471057
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr
yImpl endpointRemoved
INFO: Remove endpoint - (@3312704)Endpoint: URI = osgi.service.8469c64c-9a28-47
b3-bc4a-c5fa8d471057#service-binding(MultiplyService/Multiply)
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister
Service
INFO: RMI service unregistered: rmi://localhost:8085/MultiplyService
Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop
INFO: Stopping node: urn:osgi.service.b43555f0-9509-444e-b22a-06d347ab7e98
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-dynamic-calculator-operations)
dosgi-dynamic-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-config/
operations-config.xml - The SCA configuration file for OSGi remote services
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-dynamic-calculator-operations
mvn
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