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ServiceMix Camel

The servicemix-camel component provides support for using Apache Camel to provide a full set of Enterprise Integration Patterns and flexible routing and transformation in both Java code or Spring XML to route services on the Normalized Message Router.

For more background you might wanna see the comparison of ServiceMix EIP and Camel or how Camel works with JBI endpoints.You can get started using the Maven Archetypes, in particular the servicemix-camel-service-unit archetype.

Maven Archetype

You can create a Camel service unit using servicemix-camel-service-unit maven archetype:

mvn archetype:create \
  -DarchetypeGroupId=org.apache.servicemix.tooling \
  -DarchetypeArtifactId=servicemix-camel-service-unit \
  -DarchetypeVersion=2010.01 \
  -DgroupId=your.group.id \
  -DartifactId=your.artifact.id \
  -Dversion=your-version

Endpoint Configuration

The Camel configuration is defined in a camel-context.xml file:

<beans>
  <camelContext id="camel" xmlns="http://activemq.apache.org/camel/schema/spring">
    <route>
      <from uri="jbi:A" />
      <to uri="jbi:B" />
    </route>
  </camelContext>
</beans>

Example

There is an example in the samples area which creates a Camel Service Unit and puts it into a Service Assembly for deploying a some Camel routes and EIP patterns in JBI.

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For more details see the Camel Example.

Cookbook recipes

See Also

• Apache Camel
• Camel Example
• Enterprise Integration Patterns
• Using JBI in Camel
• Comparison of ServiceMix EIP and Camel

Using servicemix-camel in embedded mode

This component is both a JBI component and a camel component, which means that when embedding servicemix-camel in a non JBI compliant way (in an embedded ServiceMix configuration for example), the component must be configured in a specific way:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://xbean.org/schemas/spring/1.0" 
       xmlns:sm="http://servicemix.apache.org/config/1.0" 
       xmlns:bean="http://servicemix.apache.org/bean/1.0" 
       xmlns:camel="http://activemq.apache.org/camel/schema/spring" 
       xmlns:myproject="http://my.namespace.com/"> 

  <!-- the JBI container --> 
  <sm:container id="jbiContainer" embedded="true">
    <sm:components>
      <ref id="jbi" />
    </sm:components>
    <sm:endpoints>
      <bean:endpoint service="myproject:tracker" endpoint="tracker" bean="#tracker" />
    </sm:endpoints>
  </sm:container>

  <bean id="jbi" class="org.apache.servicemix.camel.CamelJbiComponent" /> 

  <camelContext id="camelContext" useJmx="true" xmlns="http://activemq.apache.org/camel/schema/spring">
    <package>my.project.routeBuilders</package> 
  </camelContext> 

</beans>

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