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Mastering Apache Camel by Jean-Baptiste Onofré

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Messaging channels EIPs

Messaging Channel EIPs gather all the patterns moving data from one point to another, using a communication channel.

Point To Point Channel

The Point To Point Channel EIP ensures that only one receiver consumes a message.

In Camel, the support of this EIP is dedicated to the components.

Some components are designed to implement and support this EIP.

For instance, this is the case for:

  • The SEDA and VM components, for communication between routes
  • The JMS component, when working with JMS queues

To illustrate the Point To Point Channel EIP, we create three routes using the Camel Blueprint DSL:

  • The first route starts with a timer and produces a message in a JMS queue
  • The second and third routes consume messages from the JMS queue

We will ...

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