Package org.apache.camel

Interface PollingConsumerPollingStrategy

public interface PollingConsumerPollingStrategy
Strategy that allows Consumers to influence the PollingConsumer.

For example this is used by schedule based consumers to be able to suspend/resume upon polling using a PollingConsumer.

See Also:
  • org.apache.camel.support.EventDrivenPollingConsumer

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    afterPoll()
    Callback invoked after the poll.
    long
    beforePoll(long timeout)
    Callback invoked before the poll.
    void
    onInit()
    Callback invoked when the consumer is initialized such as when the PollingConsumer starts.

  • Method Details

    • onInit

      void onInit() throws Exception
      Callback invoked when the consumer is initialized such as when the PollingConsumer starts.
      Throws:
      Exception - can be thrown if error initializing.

    • beforePoll

      long beforePoll(long timeout) throws Exception
      Callback invoked before the poll.
      Parameters:
      timeout - the timeout
      Returns:
      timeout to be used, this allows returning a higher timeout value to ensure at least one poll is being performed
      Throws:
      Exception - can be thrown if error occurred

    • afterPoll

      void afterPoll() throws Exception
      Callback invoked after the poll.
      Throws:
      Exception - can be thrown if error occurred