Package org.apache.activemq.memory.buffer

Interface MessageBuffer

All Known Implementing Classes:
OrderBasedMessageBuffer, SizeBasedMessageBuffer
public interface MessageBuffer
Represents a collection of MessageQueue instances which are all bound by the same memory buffer to fix the amount of RAM used to some uppper bound.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    clear()
     
    MessageQueue
    createMessageQueue()
    Creates a new message queue instance
    int
    getSize()
     
    void
    onSizeChanged(MessageQueue queue, int delta, int queueSize)
    After a message queue has changed we may need to perform some evictions

  • Method Details

    • getSize

      int getSize()

    • createMessageQueue

      MessageQueue createMessageQueue()
      Creates a new message queue instance

    • onSizeChanged

      void onSizeChanged(MessageQueue queue, int delta, int queueSize)
      After a message queue has changed we may need to perform some evictions
      Parameters:
      delta -
      queueSize -

    • clear

      void clear()