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Camel supports implementing the Polling Consumer from the EIP patterns in the Component/Endpoint.

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using the PollingConsumer interface which can be created via the Endpoint.createPollingConsumer() method.

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So in your Java code you can do

Endpoint endpoint = context.getEndpoint("activemq:my.queue");
PollingConsumer consumer = endpoint.createPollingConsumer();
Exchange exchange = consumer.receive();

Scheduled Poll Components

Quite a few inbound Camel endpoints use a scheduled poll Most inbound Camel endpoints use this pattern to receive messages and push them through the Camel processing routes. Since this a such a common pattern, polling components can extend the PollingConsumer ScheduledPollConsumer base class which makes it simpler to implement this pattern.

There is also the Quartz Component which provides scheduled delivery of messages using the Quartz enterprise scheduler.

For more details see

• PollingConsumer
• Scheduled Polling Components
  • File
  • JPA
  • Mail
  • Quartz

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