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Spring / Spring Integration

Different classification of Message Channels.

Broadly there are 2 classifications.

  • Pollable channel,
    • point-to-point channel (only one receiver of a message in the channel),
    • requires a quieue to hold the message and queue will have designated capacity,
    • buffer its messsage.

  • and Subscribable channel.
    • does not buffer messages,
    • allows multiple subscribers (consumers) to regisiter for its messages,
    • Usually used for "event" based messaging.

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