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Advanced Features

JMSPool

  • JMSPool is an advanced JMS instance that allow multiple threading messaging for incoming and outgoing messages. It is built on Java 5 concurrency library and also utilize the ActiveMQ Pooled Connection Factory.
  • For simple JMS usage,
    • a new connection and session are created on every JMS execution block. Resources are closed after usage.
    • user has to manage threads and concurrency. Without special coding, messages are sent and received in a single connection and session. 
  • The currently JMSPool is fairly simple. It does not support features like transaction, connection recovery etc. If you need a full feature JMS Pooling product, you are highly recommended to use Spring JMS or Jencks.
  • With JMSPool
    • You could use a JMSPool intance with multiple threads for incoming and outgoing messaging
    • The threads are managed by Java 5 ThreadExecutor
    • Each thread uses a JMS instance
  • Diagrams
    • JMSPool works differently in different scenarios
    • For outgoing messages to Queue or Topic, it works like the following diagram

Internal Design

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