Package com.tangosol.io.journal

Class FlashJournalRM.BufferPool

java.lang.Object
com.tangosol.io.journal.FlashJournalRM.BufferPool
Enclosing class:
FlashJournalRM
protected static class FlashJournalRM.BufferPool extends Object
The BufferPool class recycles up to a maximum number of Buffer objects.

  • Constructor Details

    • BufferPool

      public BufferPool(int cbBuffer, int cMaxBuffers)
      Instantiate a buffer pool to provide buffers to the journal appending process.
      Parameters:
      cbBuffer - the size of each buffer
      cMaxBuffers - the maximum number of buffers to hold on to

  • Method Details

    • allocate

      public FlashJournalRM.Buffer allocate(byte[] abOv)
      Allocate a buffer from the buffer pool.
      Parameters:
      abOv - the overlay byte[]
      Returns:
      a Buffer instance

    • release

      public void release(FlashJournalRM.Buffer buf)
      Return a buffer to the pool. Note that this isn't a precisely limited pool; it's possible that it could hold slightly more than the maximum size due to the avoidance of synchronization.
      Parameters:
      buf - the Buffer to return to the pool

    • getSize

      public int getSize()
      Determine the current size of the pool.
      Returns:
      the number of buffers in the pool

    • toString

      public String toString()
      Overrides:
      toString in class Object