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Components can provide one or more services to clients. Clients may be remote or local. For remote clients, a component service can be exposed as an endpoint using a binding such as WS-*, JAX-RS or JMS.

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The following demonstrates how to expose an endpoint to a JMS queue:

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A component can act as a client to a service by wiring a reference.

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The following shows how to wire a reference in a composite:

<composite ...>

    <component name='CalculatorService'>
        <implementation.java class="org.sample.CalculatorServiceImpl"/>
	    <reference name="addService" target="AddService"/>
        ....
    </component>


    <component name='AddService'>
        <f3:implementation.java class="org.sample.AddServiceImpl"/>    
    </component>

</composite>

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