Package com.tangosol.io.journal

Class RamJournalRM.BufferPool

java.lang.Object

com.tangosol.io.journal.RamJournalRM.BufferPool

Enclosing class:

RamJournalRM

protected class RamJournalRM.BufferPool
extends Object

A pooling implementation for WriteBuffer objects.

Constructor Summary

Constructors

Constructor	Description
BufferPool()	Instantiate a buffer pool to provide buffers to the journal appending process.

Method Summary

Modifier and Type	Method	Description
WriteBuffer	allocate()	Allocate a WriteBuffer from the buffer pool.
int	getCapacity()	Determine the maximum number of buffers in the pool.
int	getSize()	Determine the current number of buffers in the pool.
void	release(WriteBuffer buf)	Return a buffer to the pool.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

BufferPool

public BufferPool()

Instantiate a buffer pool to provide buffers to the journal appending process.

Method Details

allocate

public WriteBuffer allocate()

Allocate a WriteBuffer from the buffer pool.

Returns:

a WriteBuffer instance

release

public void release(WriteBuffer buf)

Return a buffer to the pool.

Parameters:

buf - the WriteBuffer to return to the pool

getSize

public int getSize()

Determine the current number of buffers in the pool.

Returns:

the number of buffers in the pool

getCapacity

public int getCapacity()

Determine the maximum number of buffers in the pool.

Returns:

the maximum supported number of buffers in the pool

toString

public String toString()

Overrides:

toString in class Object