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com.tangosol.io.nio
Class DirectBufferManager

java.lang.Object
com.tangosol.util.Base
com.tangosol.io.nio.AbstractBufferManager
com.tangosol.io.nio.DirectBufferManager

All Implemented Interfaces:

ByteBufferManager

public class DirectBufferManager

extends AbstractBufferManager

Manages a growable direct ByteBuffer.

Since:

Coherence 2.2

Author:

cp 2002.09.16

See Also:

ByteBuffer

Field Summary

protected static boolean

MODE_DEBUG Set to true to use on-heap storage, false to use off-heap.

Constructor Summary

DirectBufferManager(int cbInitial, int cbMaximum)
Construct a DirectBufferManager that supports a buffer of a certain initial and maximum size.

Method Summary

protected void

allocateBuffer() Allocate a new buffer, copying old data if there is any.

Methods inherited from class com.tangosol.io.nio.AbstractBufferManager

calibrate, getBuffer, getCapacity, getGrowthThreshold, getMaxCapacity, getMaxIncrement, getMinCapacity, getShrinkageThreshold, grow, setBuffer, setCapacity, setGrowthThreshold, setMaxCapacity, setMinCapacity, setShrinkageThreshold, shrink

Field Detail

MODE_DEBUG

protected static final boolean MODE_DEBUG

Set to true to use on-heap storage, false to use off-heap.

See Also:

Constant Field Values

Constructor Detail

DirectBufferManager

public DirectBufferManager(int cbInitial,
                           int cbMaximum)

Construct a DirectBufferManager that supports a buffer of a certain initial and maximum size.

Parameters:

cbInitial - the initial size

cbMaximum - the maximum size

Method Detail

allocateBuffer

protected void allocateBuffer()

Allocate a new buffer, copying old data if there is any.

Specified by:

allocateBuffer in class AbstractBufferManager

See Also:

ByteBuffer.allocateDirect()

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