THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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META-INF/sca-contribution.xml defines the deployable composites for the given SCA contribution (the WAR in the webapp case). Tuscany servlet filter will bootstrap the SCA domain and deploy these composites.
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. The sample scenario
3.1 SCA composites
3.1
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<?xml version="1.0" encoding="UTF-8"?>
<contribution xmlns="http://www.osoa.org/xmlns/sca/1.0"
targetNamespace="http://sample"
xmlns:sample="http://sample">
<deployable composite="sample:Calculator"/>
</contribution>
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2.4 SCA composites
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.1 binding.ws
The Calculator.composite is one such deployable sca composite and is defined as follows.
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<?xml version="1.0" encoding="UTF-8"?>
<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
targetNamespace="http://sample"
xmlns:sample="http://sample"
name="Calculator">
<component name="CalculatorServiceComponent">
<implementation.java class="calculator.CalculatorServiceImpl"/>
<reference name="addService" >
<interface.java interface="calculator.AddService" />
<binding.ws uri="http://localhost:8080/sample-calculator-ws-webapp/AddServiceComponent"/>
</reference>
<reference name="subtractService" target="SubtractServiceComponent"></reference>
<reference name="multiplyService" target="MultiplyServiceComponent"></reference>
<reference name="divideService" target="DivideServiceComponent"></reference>
</component>
<component name="AddServiceComponent">
<implementation.java class="calculator.AddServiceImpl"/>
<service name="AddService">
<interface.java interface="calculator.AddService" />
<binding.ws/>
</service>
</component>
<component name="SubtractServiceComponent">
<implementation.java class="calculator.SubtractServiceImpl"/>
</component>
<component name="MultiplyServiceComponent">
<implementation.java class="calculator.MultiplyServiceImpl"/>
</component>
<component name="DivideServiceComponent">
<implementation.java class="calculator.DivideServiceImpl"/>
</component>
</composite>
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3.2 sca-contribution.xml
META-INF/sca-contribution.xml defines the deployable composites for the given SCA contribution (the WAR in the webapp case). Tuscany servlet filter will bootstrap the SCA domain and deploy these composites.
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<?xml version="1.0" encoding="UTF-8"?>
<contribution xmlns="http://www.osoa.org/xmlns/sca/1.0"
targetNamespace="http://sample"
xmlns:sample="http://sample">
<deployable composite="sample:Calculator"/>
</contribution>
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4. Devloping a Tuscany web application for Geronimo using Maven and Eclipse
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4.1 Create an empty maven project for your web application
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mvn archetype:generate |
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mvn eclipse:eclipse |
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4.2 Import the project into Eclipse
In Eclipse, following the menu: File -> Import -> General --> Exising Projects into Workspace.
4.3. Configure the maven pom.xml to generate web.xml and geronimo-web.xml automatically
Tuscany provides a maven which can generate the WEB-INF/web.xml and WEB-IN/geronimo-web.xml automatically as part of the maven build. The following xml snippet shows
the usage.
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