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{snippet:id=example|lang=java|url=activemq/camel/trunk/camel-core/src/test/java/org/apache/camel/processor/AggregatorAggregatorTest.java}

If you were using JMS then you may wish to use the JMSDestination header as the correlation key; or some custom header for the stock symbol (using the above stock market example).

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For further examples of this pattern in use you could look at the junit test case

Using the Spring XML Extensions

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