org.jboss.netty.handler.codec.protobuf

类 ProtobufVarint32LengthFieldPrepender

java.lang.Object

org.jboss.netty.handler.codec.oneone.OneToOneEncoder

org.jboss.netty.handler.codec.protobuf.ProtobufVarint32LengthFieldPrepender

所有已实现的接口:

ChannelDownstreamHandler, ChannelHandler

@ChannelHandler.Sharable
public class ProtobufVarint32LengthFieldPrepender
extends OneToOneEncoder

An encoder that prepends the the Google Protocol Buffers Base 128 Varints integer length field. For example:

 BEFORE DECODE (300 bytes)       AFTER DECODE (302 bytes)
 +---------------+               +--------+---------------+
 | Protobuf Data |-------------->| Length | Protobuf Data |
 |  (300 bytes)  |               | 0xAC02 |  (300 bytes)  |
 +---------------+               +--------+---------------+
 

*

另请参阅:

CodedOutputStream

嵌套类概要

从接口继承的嵌套类/接口 org.jboss.netty.channel.ChannelHandler

ChannelHandler.Sharable

构造器概要

构造器

构造器和说明
ProtobufVarint32LengthFieldPrepender()

方法概要

方法

限定符和类型	方法和说明
protected java.lang.Object	encode(ChannelHandlerContext ctx, Channel channel, java.lang.Object msg) Transforms the specified message into another message and return the transformed message.

从类继承的方法 org.jboss.netty.handler.codec.oneone.OneToOneEncoder

doEncode, handleDownstream

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ProtobufVarint32LengthFieldPrepender

public ProtobufVarint32LengthFieldPrepender()

方法详细资料

encode

protected java.lang.Object encode(ChannelHandlerContext ctx,
                      Channel channel,
                      java.lang.Object msg)
                           throws java.lang.Exception

从类复制的说明: OneToOneEncoder

Transforms the specified message into another message and return the transformed message. Note that you can not return null, unlike you can in OneToOneDecoder.decode(ChannelHandlerContext, Channel, Object); you must return something, at least ChannelBuffers.EMPTY_BUFFER.

指定者:

encode 在类中 OneToOneEncoder

抛出:

java.lang.Exception