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definitions.xml

Section 1.8 describes the definitions.xml file as holding all of the artifacts that are useful for configuring an SCA domain but that are not specific to a particular composite or component. It goes on to say that "All of these artifacts within and SCA Domain are defined in a global, SCA Domain-wide file named definitions.xml". To achieve our extensibility goals we, in Tuscany, consider the SCA Domain wide definitions.xml file to be a logical concept that is constructed at runtime from the contents of definitions.xml files provided in contributions and in Tuscany extensions.

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<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-secure-webapp/AddServiceComponent"
                    requires="authentication" />        
    </reference>
</component>

Where requires="authentication" refers to intent name="authentication" which is now available as an SCA Domain level definition.

TODO Features

Add Intents and Policy Sets with a Contribution

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