Package org.springframework.core.io.buffer

Interface PooledDataBuffer

All Superinterfaces:

DataBuffer

All Known Implementing Classes:

NettyDataBuffer

public interface PooledDataBuffer
extends DataBuffer

Extension of DataBuffer that allows for buffer that share a memory pool. Introduces methods for reference counting.

Since:

5.0

Author:

Arjen Poutsma

Method Summary

Modifier and Type	Method	Description
boolean	isAllocated()	Return true if this buffer is allocated; false if it has been deallocated.
boolean	release()	Decrease the reference count for this buffer by one, and deallocate it once the count reaches zero.
PooledDataBuffer	retain()	Increase the reference count for this buffer by one.
PooledDataBuffer	touch(Object hint)	Associate the given hint with the data buffer for debugging purposes.

Methods inherited from interface org.springframework.core.io.buffer.DataBuffer

asByteBuffer, asByteBuffer, asInputStream, asInputStream, asOutputStream, capacity, capacity, ensureCapacity, factory, getByte, indexOf, lastIndexOf, read, read, read, readableByteCount, readPosition, readPosition, retainedSlice, slice, toString, toString, writableByteCount, write, write, write, write, write, write, writePosition, writePosition

Method Details

isAllocated

boolean isAllocated()

Return true if this buffer is allocated; false if it has been deallocated.

Since:

5.1

retain

PooledDataBuffer retain()

Increase the reference count for this buffer by one.

Returns:

this buffer

touch

PooledDataBuffer touch(Object hint)

Associate the given hint with the data buffer for debugging purposes.

Returns:

this buffer

Since:

5.3.2

release

boolean release()

Decrease the reference count for this buffer by one, and deallocate it once the count reaches zero.

Returns:

true if the buffer was deallocated; false otherwise