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org.activemq.io.impl
Class AbstractPacketWriter  

java.lang.Object
  org.activemq.io.impl.AbstractPacketWriter

All Implemented Interfaces:

PacketWriter

Direct Known Subclasses:

ActiveMQMessageWriter, BrokerAdminCommandWriter, BrokerInfoWriter, CachedValueWriter, CapacityInfoRequestWriter, CapacityInfoWriter, CleanupConnectionInfoWriter, ConnectionInfoWriter, ConsumerInfoWriter, DurableUnsubscribeWriter, KeepAliveWriter, MessageAckWriter, ProducerInfoWriter, ReceiptWriter, SessionInfoWriter, TransactionInfoWriter, WireFormatInfoWriter, XATransactionInfoWriter

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public abstract class AbstractPacketWriter

extends java.lang.Object

implements PacketWriter

Allows instances implementing Packet interface to be serailized/deserailized

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Field Summary
protected  int	wireFormatVersion

 

Constructor Summary

AbstractPacketWriter()

 

Method Summary
boolean	canWrite(org.activemq.message.Packet packet)
int	getWireFormatVersion()
void	setWireFormatVersion(int version)           Set the wire format version
protected  void	writeObject(java.lang.Object object, java.io.DataOutput dataOut)           Simple (but inefficent) utility method to write an object on to a stream
void	writePacket(org.activemq.message.Packet p, java.io.DataOutput dataOut)           Write a Packet instance to data output stream
byte[]	writePacketToByteArray(org.activemq.message.Packet packet)           Serializes a Packet int a byte array
protected  void	writeUTF(java.lang.String str, java.io.DataOutput dataOut)           simple helper method to ensure null strings are catered for

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.activemq.io.impl.PacketWriter

getPacketType

 

Field Detail

wireFormatVersion

protected int wireFormatVersion

Constructor Detail

AbstractPacketWriter

public AbstractPacketWriter()

Method Detail

writeUTF

protected void writeUTF(java.lang.String str,
                        java.io.DataOutput dataOut)
                 throws java.io.IOException

simple helper method to ensure null strings are catered for

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canWrite

public boolean canWrite(org.activemq.message.Packet packet)

Specified by:

canWrite in interface PacketWriter

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writeObject

protected void writeObject(java.lang.Object object,
                           java.io.DataOutput dataOut)
                    throws java.io.IOException

Simple (but inefficent) utility method to write an object on to a stream

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writePacketToByteArray

public byte[] writePacketToByteArray(org.activemq.message.Packet packet)
                              throws java.io.IOException

Serializes a Packet int a byte array

Specified by:

writePacketToByteArray in interface PacketWriter

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writePacket

public void writePacket(org.activemq.message.Packet p,
                        java.io.DataOutput dataOut)
                 throws java.io.IOException

Write a Packet instance to data output stream

Specified by:

writePacket in interface PacketWriter

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setWireFormatVersion

public void setWireFormatVersion(int version)

Set the wire format version

Specified by:

setWireFormatVersion in interface PacketWriter

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getWireFormatVersion

public int getWireFormatVersion()

Specified by:

getWireFormatVersion in interface PacketWriter

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