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Before digging into implementation details, let's take a look at the relationship between the example scenario and the Service Activator EIP by comparing their core components.
| Figure 1: Service Activator EIP | Figure 2: Service Activator Example Scenario |
|---|---|
| Requestor | Simple Stock Quote Client |
| Service Activator | Proxy Service |
| Replier | Simple Stock Quote Service |
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Environment Set up
1. Download an install the WSO2 ESB from http://wso2.com/products/enterprise-service-bus. For a list of prerequisites and step-by-step installation instructions, refer to Getting Started in the WSO2 ESB documentation.
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| Code Block | ||
|---|---|---|
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<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://ws.apache.org/ns/synapse">
<proxy name="ServiceActivatorProxy" startOnLoad="true">
<target>
<endpoint>
<address uri="http://localhost:9000/services/SimpleStockQuoteService"/>
</endpoint>
<outSequence>
<send/>
</outSequence>
</target>
<publishWSDL uri="file:repository/samples/resources/proxy/sample_proxy_1.wsdl"/>
</proxy>
<sequence name="fault">
<log level="full">
<property name="MESSAGE" value="Executing default "fault" sequence"/>
<property name="ERROR_CODE" expression="get-property('ERROR_CODE')"/>
<property name="ERROR_MESSAGE" expression="get-property('ERROR_MESSAGE')"/>
</log>
<drop/>
</sequence>
<sequence name="main">
<in/>
<out>
<send/>
</out>
</sequence>
</definitions> |
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