PooledDataBuffer (Spring Framework 5.2.12.RELEASE API)

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

All Methods Instance Methods Abstract Methods
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.

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 Detail
  - 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
  - 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