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Message RouterThe Message Router from the EIP patterns allows you to consume from an input destination, evaluate some predicate then choose the right output destination.
The following example shows how to route a request from an input queue:a endpoint to either queue:b, queue:c or queue:d depending on the evaluation of various Predicate expressions Using the Fluent Builders Error formatting macro: snippet: java.lang.IndexOutOfBoundsException: Index: 20, Size: 20
Using the Spring XML Extensions Error rendering macro 'code': Invalid value specified for parameter 'java.lang.NullPointerException'
<camelContext errorHandlerRef="errorHandler" xmlns="http://camel.apache.org/schema/spring">
<route>
<from uri="direct:a"/>
<choice>
<when>
<xpath>$foo = 'bar'</xpath>
<to uri="direct:b"/>
</when>
<when>
<xpath>$foo = 'cheese'</xpath>
<to uri="direct:c"/>
</when>
<otherwise>
<to uri="direct:d"/>
</otherwise>
</choice>
</route>
</camelContext>
Choice without otherwiseIf you use a Using This PatternIf you would like to use this EIP Pattern then please read the Getting Started, you may also find the Architecture useful particularly the description of Endpoint and URIs. Then you could try out some of the Examples first before trying this pattern out. |
