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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 java.lang.Object

The BufferPool class recycles up to a maximum number of Buffer objects.

Constructor Summary

FlashJournalRM.BufferPool(int cbBuffer, int cMaxBuffers)
Instantiate a buffer pool to provide buffers to the journal appending process.

Method Summary

FlashJournalRM.Buffer	allocate(byte[] abOv) Allocate a buffer from the buffer pool.
int	getSize() Determine the current size of the pool.
void	release(FlashJournalRM.Buffer buf) Return a buffer to the pool.
java.lang.String	toString()

Constructor Detail

FlashJournalRM.BufferPool

public FlashJournalRM.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 Detail

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 java.lang.String toString()

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