AbstractByteBufAllocator (Netty API Reference (4.0.56.Final))

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io.netty.buffer

Class AbstractByteBufAllocator

java.lang.Object
- io.netty.buffer.AbstractByteBufAllocator

All Implemented Interfaces:

ByteBufAllocator

Direct Known Subclasses:

PooledByteBufAllocator, UnpooledByteBufAllocator
```
public abstract class AbstractByteBufAllocator
extends java.lang.Object
implements ByteBufAllocator 
```
Skeletal ByteBufAllocator implementation to extend.

Field Summary
- Fields inherited from interface io.netty.buffer.ByteBufAllocator
  DEFAULT

Constructor Summary

Constructors
Modifier	Constructor and Description
`protected`	`AbstractByteBufAllocator ()` Instance use heap buffers by default
`protected`	`AbstractByteBufAllocator (boolean preferDirect)` Create new instance

Method Summary

All Methods
Modifier and Type	Method and Description
`ByteBuf`	`buffer ()` Allocate a `ByteBuf`.
`ByteBuf`	`buffer (int initialCapacity)` Allocate a `ByteBuf` with the given initial capacity.
`ByteBuf`	`buffer (int initialCapacity, int maxCapacity)` Allocate a `ByteBuf` with the given initial capacity and the given maximal capacity.
`CompositeByteBuf`	`compositeBuffer ()` Allocate a `CompositeByteBuf`.
`CompositeByteBuf`	`compositeBuffer (int maxNumComponents)` Allocate a `CompositeByteBuf` with the given maximum number of components that can be stored in it.
`CompositeByteBuf`	`compositeDirectBuffer ()` Allocate a direct `CompositeByteBuf`.
`CompositeByteBuf`	`compositeDirectBuffer (int maxNumComponents)` Allocate a direct `CompositeByteBuf` with the given maximum number of components that can be stored in it.
`CompositeByteBuf`	`compositeHeapBuffer ()` Allocate a heap `CompositeByteBuf`.
`CompositeByteBuf`	`compositeHeapBuffer (int maxNumComponents)` Allocate a heap `CompositeByteBuf` with the given maximum number of components that can be stored in it.
`ByteBuf`	`directBuffer ()` Allocate a direct `ByteBuf`.
`ByteBuf`	`directBuffer (int initialCapacity)` Allocate a direct `ByteBuf` with the given initial capacity.
`ByteBuf`	`directBuffer (int initialCapacity, int maxCapacity)` Allocate a direct `ByteBuf` with the given initial capacity and the given maximal capacity.
`ByteBuf`	`heapBuffer ()` Allocate a heap `ByteBuf`.
`ByteBuf`	`heapBuffer (int initialCapacity)` Allocate a heap `ByteBuf` with the given initial capacity.
`ByteBuf`	`heapBuffer (int initialCapacity, int maxCapacity)` Allocate a heap `ByteBuf` with the given initial capacity and the given maximal capacity.
`ByteBuf`	`ioBuffer ()` Allocate a `ByteBuf`, preferably a direct buffer which is suitable for I/O.
`ByteBuf`	`ioBuffer (int initialCapacity)` Allocate a `ByteBuf`, preferably a direct buffer which is suitable for I/O.
`ByteBuf`	`ioBuffer (int initialCapacity, int maxCapacity)` Allocate a `ByteBuf`, preferably a direct buffer which is suitable for I/O.
`protected abstract ByteBuf`	`newDirectBuffer (int initialCapacity, int maxCapacity)` Create a direct `ByteBuf` with the given initialCapacity and maxCapacity.
`protected abstract ByteBuf`	`newHeapBuffer (int initialCapacity, int maxCapacity)` Create a heap `ByteBuf` with the given initialCapacity and maxCapacity.
`protected static ByteBuf`	`toLeakAwareBuffer (ByteBuf buf)`
`protected static CompositeByteBuf`	`toLeakAwareBuffer (CompositeByteBuf buf)`
`java.lang.String`	`toString ()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.netty.buffer.ByteBufAllocator
isDirectBufferPooled

- Constructor Detail
  - AbstractByteBufAllocator
```
protected AbstractByteBufAllocator()
```
    Instance use heap buffers by default
  - AbstractByteBufAllocator
```
protected AbstractByteBufAllocator(boolean preferDirect)
```
    Create new instance
    
    Parameters:
    
    preferDirect - true if buffer(int) should try to allocate a direct buffer rather than a heap buffer
- Method Detail
  - toLeakAwareBuffer
```
protected static ByteBuf toLeakAwareBuffer(ByteBuf buf)
```
  - toLeakAwareBuffer
```
protected static CompositeByteBuf toLeakAwareBuffer(CompositeByteBuf buf)
```
  - buffer
```
public ByteBuf buffer()
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a ByteBuf. If it is a direct or heap buffer depends on the actual implementation.
    
    Specified by:
    
    buffer in interface ByteBufAllocator
  - buffer
```
public ByteBuf buffer(int initialCapacity)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a ByteBuf with the given initial capacity. If it is a direct or heap buffer depends on the actual implementation.
    
    Specified by:
    
    buffer in interface ByteBufAllocator
  - buffer
```
public ByteBuf buffer(int initialCapacity,
 int maxCapacity)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a ByteBuf with the given initial capacity and the given maximal capacity. If it is a direct or heap buffer depends on the actual implementation.
    
    Specified by:
    
    buffer in interface ByteBufAllocator
  - ioBuffer
```
public ByteBuf ioBuffer()
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a ByteBuf, preferably a direct buffer which is suitable for I/O.
    
    Specified by:
    
    ioBuffer in interface ByteBufAllocator
  - ioBuffer
```
public ByteBuf ioBuffer(int initialCapacity)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a ByteBuf, preferably a direct buffer which is suitable for I/O.
    
    Specified by:
    
    ioBuffer in interface ByteBufAllocator
  - ioBuffer
```
public ByteBuf ioBuffer(int initialCapacity,
 int maxCapacity)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a ByteBuf, preferably a direct buffer which is suitable for I/O.
    
    Specified by:
    
    ioBuffer in interface ByteBufAllocator
  - heapBuffer
```
public ByteBuf heapBuffer()
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a heap ByteBuf.
    
    Specified by:
    
    heapBuffer in interface ByteBufAllocator
  - heapBuffer
```
public ByteBuf heapBuffer(int initialCapacity)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a heap ByteBuf with the given initial capacity.
    
    Specified by:
    
    heapBuffer in interface ByteBufAllocator
  - heapBuffer
```
public ByteBuf heapBuffer(int initialCapacity,
 int maxCapacity)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a heap ByteBuf with the given initial capacity and the given maximal capacity.
    
    Specified by:
    
    heapBuffer in interface ByteBufAllocator
  - directBuffer
```
public ByteBuf directBuffer()
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a direct ByteBuf.
    
    Specified by:
    
    directBuffer in interface ByteBufAllocator
  - directBuffer
```
public ByteBuf directBuffer(int initialCapacity)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a direct ByteBuf with the given initial capacity.
    
    Specified by:
    
    directBuffer in interface ByteBufAllocator
  - directBuffer
```
public ByteBuf directBuffer(int initialCapacity,
 int maxCapacity)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a direct ByteBuf with the given initial capacity and the given maximal capacity.
    
    Specified by:
    
    directBuffer in interface ByteBufAllocator
  - compositeBuffer
```
public CompositeByteBuf compositeBuffer()
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a CompositeByteBuf. If it is a direct or heap buffer depends on the actual implementation.
    
    Specified by:
    
    compositeBuffer in interface ByteBufAllocator
  - compositeBuffer
```
public CompositeByteBuf compositeBuffer(int maxNumComponents)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a CompositeByteBuf with the given maximum number of components that can be stored in it. If it is a direct or heap buffer depends on the actual implementation.
    
    Specified by:
    
    compositeBuffer in interface ByteBufAllocator
  - compositeHeapBuffer
```
public CompositeByteBuf compositeHeapBuffer()
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a heap CompositeByteBuf.
    
    Specified by:
    
    compositeHeapBuffer in interface ByteBufAllocator
  - compositeHeapBuffer
```
public CompositeByteBuf compositeHeapBuffer(int maxNumComponents)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a heap CompositeByteBuf with the given maximum number of components that can be stored in it.
    
    Specified by:
    
    compositeHeapBuffer in interface ByteBufAllocator
  - compositeDirectBuffer
```
public CompositeByteBuf compositeDirectBuffer()
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a direct CompositeByteBuf.
    
    Specified by:
    
    compositeDirectBuffer in interface ByteBufAllocator
  - compositeDirectBuffer
```
public CompositeByteBuf compositeDirectBuffer(int maxNumComponents)
```
    Description copied from interface: ByteBufAllocator
    
    Allocate a direct CompositeByteBuf with the given maximum number of components that can be stored in it.
    
    Specified by:
    
    compositeDirectBuffer in interface ByteBufAllocator
  - newHeapBuffer
```
protected abstract ByteBuf newHeapBuffer(int initialCapacity,
 int maxCapacity)
```
    Create a heap ByteBuf with the given initialCapacity and maxCapacity.
  - newDirectBuffer
```
protected abstract ByteBuf newDirectBuffer(int initialCapacity,
 int maxCapacity)
```
    Create a direct ByteBuf with the given initialCapacity and maxCapacity.
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object

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Class AbstractByteBufAllocator

Field Summary

Fields inherited from interface io.netty.buffer.ByteBufAllocator

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface io.netty.buffer.ByteBufAllocator

Constructor Detail

AbstractByteBufAllocator

AbstractByteBufAllocator

Method Detail

toLeakAwareBuffer

toLeakAwareBuffer

buffer

buffer

buffer

ioBuffer

ioBuffer

ioBuffer

heapBuffer

heapBuffer

heapBuffer

directBuffer

directBuffer

directBuffer

compositeBuffer

compositeBuffer

compositeHeapBuffer

compositeHeapBuffer

compositeDirectBuffer

compositeDirectBuffer

newHeapBuffer

newDirectBuffer

toString