DynamicChannelBuffer (Apache Dubbo 3.1.2 API)

java.lang.Object
- org.apache.dubbo.remoting.buffer.AbstractChannelBuffer
- - org.apache.dubbo.remoting.buffer.DynamicChannelBuffer

所有已实现的接口:: Comparable<ChannelBuffer>, ChannelBuffer

public class DynamicChannelBuffer
extends AbstractChannelBuffer

构造器概要

构造器
构造器和说明

DynamicChannelBuffer(int estimatedLength)

DynamicChannelBuffer(int estimatedLength, ChannelBufferFactory factory)

构造器
构造器和说明
`DynamicChannelBuffer(int estimatedLength)`
`DynamicChannelBuffer(int estimatedLength, ChannelBufferFactory factory)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`byte[]`	`array()` Returns the backing byte array of this buffer.
`int`	`arrayOffset()` Returns the offset of the first byte within the backing byte array of this buffer.
`int`	`capacity()` Returns the number of bytes (octets) this buffer can contain.
`ChannelBuffer`	`copy(int index, int length)` Returns a copy of this buffer's sub-region.
`void`	`ensureWritableBytes(int minWritableBytes)` Makes sure the number of the writable bytes is equal to or greater than the specified value.
`ChannelBufferFactory`	`factory()` Returns the factory which creates a `ChannelBuffer` whose type and default `ByteOrder` are same with this buffer.
`byte`	`getByte(int index)` Gets a byte at the specified absolute `index` in this buffer.
`void`	`getBytes(int index, byte[] dst, int dstIndex, int length)` Transfers this buffer's data to the specified destination starting at the specified absolute `index`.
`void`	`getBytes(int index, ByteBuffer dst)` Transfers this buffer's data to the specified destination starting at the specified absolute `index` until the destination's position reaches its limit.
`void`	`getBytes(int index, ChannelBuffer dst, int dstIndex, int length)` Transfers this buffer's data to the specified destination starting at the specified absolute `index`.
`void`	`getBytes(int index, OutputStream dst, int length)` Transfers this buffer's data to the specified stream starting at the specified absolute `index`.
`boolean`	`hasArray()` Returns `true` if and only if this buffer has a backing byte array.
`boolean`	`isDirect()` Returns `true` if and only if this buffer is backed by an NIO direct buffer.
`void`	`setByte(int index, int value)` Sets the specified byte at the specified absolute `index` in this buffer.
`void`	`setBytes(int index, byte[] src, int srcIndex, int length)` Transfers the specified source array's data to this buffer starting at the specified absolute `index`.
`void`	`setBytes(int index, ByteBuffer src)` Transfers the specified source buffer's data to this buffer starting at the specified absolute `index` until the source buffer's position reaches its limit.
`void`	`setBytes(int index, ChannelBuffer src, int srcIndex, int length)` Transfers the specified source buffer's data to this buffer starting at the specified absolute `index`.
`int`	`setBytes(int index, InputStream src, int length)` Transfers the content of the specified source stream to this buffer starting at the specified absolute `index`.
`ByteBuffer`	`toByteBuffer(int index, int length)` Converts this buffer's sub-region into a NIO buffer.
`void`	`writeByte(int value)` Sets the specified byte at the current `writerIndex` and increases the `writerIndex` by `1` in this buffer.
`void`	`writeBytes(byte[] src, int srcIndex, int length)` Transfers the specified source array's data to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes (= `length`).
`void`	`writeBytes(ByteBuffer src)` Transfers the specified source buffer's data to this buffer starting at the current `writerIndex` until the source buffer's position reaches its limit, and increases the `writerIndex` by the number of the transferred bytes.
`void`	`writeBytes(ChannelBuffer src, int srcIndex, int length)` Transfers the specified source buffer's data to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes (= `length`).
`int`	`writeBytes(InputStream in, int length)` Transfers the content of the specified stream to this buffer starting at the current `writerIndex` and increases the `writerIndex` by the number of the transferred bytes.

从类继承的方法 org.apache.dubbo.remoting.buffer.AbstractChannelBuffer
clear, compareTo, copy, discardReadBytes, equals, getBytes, getBytes, getBytes, hashCode, markReaderIndex, markWriterIndex, readable, readableBytes, readByte, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readBytes, readerIndex, readerIndex, resetReaderIndex, resetWriterIndex, setBytes, setBytes, setBytes, setIndex, skipBytes, toByteBuffer, toString, writable, writableBytes, writeBytes, writeBytes, writeBytes, writerIndex, writerIndex

从类继承的方法 java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- 构造器详细资料
  - DynamicChannelBuffer
```
public DynamicChannelBuffer(int estimatedLength)
```
  - DynamicChannelBuffer
```
public DynamicChannelBuffer(int estimatedLength,
                            ChannelBufferFactory factory)
```
- 方法详细资料
  - ensureWritableBytes
```
public void ensureWritableBytes(int minWritableBytes)
```
    从接口复制的说明: ChannelBuffer
    Makes sure the number of the writable bytes is equal to or greater than the specified value. If there is enough writable bytes in this buffer, this method returns with no side effect. Otherwise:
    - a non-dynamic buffer will throw an IndexOutOfBoundsException.
    - a dynamic buffer will expand its capacity so that the number of the writable bytes becomes equal to or greater than the specified value. The expansion involves the reallocation of the internal buffer and consequently memory copy.
    指定者:
    
    ensureWritableBytes 在接口中 ChannelBuffer
    
    覆盖:
    
    ensureWritableBytes 在类中 AbstractChannelBuffer
    
    参数:
    
    minWritableBytes - the expected minimum number of writable bytes
  - capacity
```
public int capacity()
```
    从接口复制的说明: ChannelBuffer
    
    Returns the number of bytes (octets) this buffer can contain.
  - copy
```
public ChannelBuffer copy(int index,
                          int length)
```
    从接口复制的说明: ChannelBuffer
    
    Returns a copy of this buffer's sub-region. Modifying the content of the returned buffer or this buffer does not affect each other at all. This method does not modify readerIndex or writerIndex of this buffer.
  - factory
```
public ChannelBufferFactory factory()
```
    从接口复制的说明: ChannelBuffer
    
    Returns the factory which creates a ChannelBuffer whose type and default ByteOrder are same with this buffer.
  - getByte
```
public byte getByte(int index)
```
    从接口复制的说明: ChannelBuffer
    
    Gets a byte at the specified absolute index in this buffer. This method does not modify readerIndex or writerIndex of this buffer.
  - getBytes
```
public void getBytes(int index,
                     byte[] dst,
                     int dstIndex,
                     int length)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers this buffer's data to the specified destination starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.
    
    dstIndex - the first index of the destination
    
    length - the number of bytes to transfer
  - getBytes
```
public void getBytes(int index,
                     ByteBuffer dst)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers this buffer's data to the specified destination starting at the specified absolute index until the destination's position reaches its limit. This method does not modify readerIndex or writerIndex of this buffer while the destination's position will be increased.
  - getBytes
```
public void getBytes(int index,
                     ChannelBuffer dst,
                     int dstIndex,
                     int length)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers this buffer's data to the specified destination starting at the specified absolute index. This method does not modify readerIndex or writerIndex of both the source (i.e. this) and the destination.
    
    dstIndex - the first index of the destination
    
    length - the number of bytes to transfer
  - getBytes
```
public void getBytes(int index,
                     OutputStream dst,
                     int length)
              throws IOException
```
    从接口复制的说明: ChannelBuffer
    
    Transfers this buffer's data to the specified stream starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.
    
    length - the number of bytes to transfer
    
    抛出:
    
    IOException - if the specified stream threw an exception during I/O
  - isDirect
```
public boolean isDirect()
```
    从接口复制的说明: ChannelBuffer
    
    Returns true if and only if this buffer is backed by an NIO direct buffer.
  - setByte
```
public void setByte(int index,
                    int value)
```
    从接口复制的说明: ChannelBuffer
    
    Sets the specified byte at the specified absolute index in this buffer. The 24 high-order bits of the specified value are ignored. This method does not modify readerIndex or writerIndex of this buffer.
  - setBytes
```
public void setBytes(int index,
                     byte[] src,
                     int srcIndex,
                     int length)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers the specified source array's data to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.
  - setBytes
```
public void setBytes(int index,
                     ByteBuffer src)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers the specified source buffer's data to this buffer starting at the specified absolute index until the source buffer's position reaches its limit. This method does not modify readerIndex or writerIndex of this buffer.
  - setBytes
```
public void setBytes(int index,
                     ChannelBuffer src,
                     int srcIndex,
                     int length)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers the specified source buffer's data to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of both the source (i.e. this) and the destination.
    
    srcIndex - the first index of the source
    
    length - the number of bytes to transfer
  - setBytes
```
public int setBytes(int index,
                    InputStream src,
                    int length)
             throws IOException
```
    从接口复制的说明: ChannelBuffer
    
    Transfers the content of the specified source stream to this buffer starting at the specified absolute index. This method does not modify readerIndex or writerIndex of this buffer.
    
    length - the number of bytes to transfer
    
    返回:
    
    the actual number of bytes read in from the specified channel. -1 if the specified channel is closed.
    
    抛出:
    
    IOException - if the specified stream threw an exception during I/O
  - toByteBuffer
```
public ByteBuffer toByteBuffer(int index,
                               int length)
```
    从接口复制的说明: ChannelBuffer
    
    Converts this buffer's sub-region into a NIO buffer. The returned buffer might or might not share the content with this buffer, while they have separate indexes and marks. This method does not modify readerIndex or writerIndex of this buffer.
  - writeByte
```
public void writeByte(int value)
```
    从接口复制的说明: ChannelBuffer
    
    Sets the specified byte at the current writerIndex and increases the writerIndex by 1 in this buffer. The 24 high-order bits of the specified value are ignored.
    
    指定者:
    
    writeByte 在接口中 ChannelBuffer
    
    覆盖:
    
    writeByte 在类中 AbstractChannelBuffer
  - writeBytes
```
public void writeBytes(byte[] src,
                       int srcIndex,
                       int length)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers the specified source array's data to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes (= length).
    
    指定者:
    
    writeBytes 在接口中 ChannelBuffer
    
    覆盖:
    
    writeBytes 在类中 AbstractChannelBuffer
    
    srcIndex - the first index of the source
    
    length - the number of bytes to transfer
  - writeBytes
```
public void writeBytes(ChannelBuffer src,
                       int srcIndex,
                       int length)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers the specified source buffer's data to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes (= length).
    
    指定者:
    
    writeBytes 在接口中 ChannelBuffer
    
    覆盖:
    
    writeBytes 在类中 AbstractChannelBuffer
    
    srcIndex - the first index of the source
    
    length - the number of bytes to transfer
  - writeBytes
```
public void writeBytes(ByteBuffer src)
```
    从接口复制的说明: ChannelBuffer
    
    Transfers the specified source buffer's data to this buffer starting at the current writerIndex until the source buffer's position reaches its limit, and increases the writerIndex by the number of the transferred bytes.
    
    指定者:
    
    writeBytes 在接口中 ChannelBuffer
    
    覆盖:
    
    writeBytes 在类中 AbstractChannelBuffer
  - writeBytes
```
public int writeBytes(InputStream in,
                      int length)
               throws IOException
```
    从接口复制的说明: ChannelBuffer
    
    Transfers the content of the specified stream to this buffer starting at the current writerIndex and increases the writerIndex by the number of the transferred bytes.
    
    指定者:
    
    writeBytes 在接口中 ChannelBuffer
    
    覆盖:
    
    writeBytes 在类中 AbstractChannelBuffer
    
    length - the number of bytes to transfer
    
    返回:
    
    the actual number of bytes read in from the specified stream
    
    抛出:
    
    IOException - if the specified stream threw an exception during I/O
  - array
```
public byte[] array()
```
    从接口复制的说明: ChannelBuffer
    
    Returns the backing byte array of this buffer.
  - hasArray
```
public boolean hasArray()
```
    从接口复制的说明: ChannelBuffer
    
    Returns true if and only if this buffer has a backing byte array. If this method returns true, you can safely call ChannelBuffer.array() and ChannelBuffer.arrayOffset().
  - arrayOffset
```
public int arrayOffset()
```
    从接口复制的说明: ChannelBuffer
    
    Returns the offset of the first byte within the backing byte array of this buffer.

类 DynamicChannelBuffer

构造器概要

方法概要

从类继承的方法 org.apache.dubbo.remoting.buffer.AbstractChannelBuffer

从类继承的方法 java.lang.Object

构造器详细资料

DynamicChannelBuffer

DynamicChannelBuffer

方法详细资料

ensureWritableBytes

capacity

copy

factory

getByte

getBytes

getBytes

getBytes

getBytes

isDirect

setByte

setBytes

setBytes

setBytes

setBytes

toByteBuffer

writeByte

writeBytes

writeBytes

writeBytes

writeBytes

array

hasArray

arrayOffset