Package org.apache.activemq.command

Class ReplayCommand

java.lang.Object

org.apache.activemq.command.BaseCommand

org.apache.activemq.command.ReplayCommand

All Implemented Interfaces:

Command, DataStructure

public class ReplayCommand
extends BaseCommand

A general purpose replay command for some kind of producer where ranges of messages are asked to be replayed. This command is typically used over a non-reliable transport such as UDP or multicast but could also be used on TCP/IP if a socket has been re-established.

Field Summary

Fields

Modifier and Type	Field	Description
static final byte	DATA_STRUCTURE_TYPE

Fields inherited from class org.apache.activemq.command.BaseCommand

commandId, responseRequired

Constructor Summary

Constructors

Constructor	Description
ReplayCommand()

Method Summary

Modifier and Type	Method	Description
byte	getDataStructureType()
int	getFirstAckNumber()
int	getFirstNakNumber()	Is used to specify the first sequence number to be replayed
int	getLastAckNumber()
int	getLastNakNumber()	Is used to specify the last sequence number to be replayed
String	getProducerId()
void	setFirstAckNumber(int firstSequenceNumber)	Is used to specify the first sequence number being acknowledged as delivered on the transport so that it can be removed from cache
void	setFirstNakNumber(int firstNakNumber)
void	setLastAckNumber(int lastSequenceNumber)	Is used to specify the last sequence number being acknowledged as delivered on the transport so that it can be removed from cache
void	setLastNakNumber(int lastNakNumber)
void	setProducerId(String producerId)	Is used to uniquely identify the producer of the sequence
String	toString()
Response	visit(CommandVisitor visitor)

Methods inherited from class org.apache.activemq.command.BaseCommand

copy, getCommandId, getFrom, getTo, isBrokerInfo, isConnectionControl, isConsumerControl, isMarshallAware, isMessage, isMessageAck, isMessageDispatch, isMessageDispatchNotification, isResponse, isResponseRequired, isShutdownInfo, isWireFormatInfo, setCommandId, setFrom, setResponseRequired, setTo, toString

Methods inherited from class java.lang.Object

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

Field Details

DATA_STRUCTURE_TYPE

public static final byte DATA_STRUCTURE_TYPE

See Also:

• Constant Field Values

Constructor Details

ReplayCommand

public ReplayCommand()

Method Details

getDataStructureType

public byte getDataStructureType()

Returns:

The type of the data structure

getProducerId

public String getProducerId()

setProducerId

public void setProducerId(String producerId)

Is used to uniquely identify the producer of the sequence

getFirstAckNumber

public int getFirstAckNumber()

setFirstAckNumber

public void setFirstAckNumber(int firstSequenceNumber)

Is used to specify the first sequence number being acknowledged as delivered on the transport so that it can be removed from cache

getLastAckNumber

public int getLastAckNumber()

setLastAckNumber

public void setLastAckNumber(int lastSequenceNumber)

Is used to specify the last sequence number being acknowledged as delivered on the transport so that it can be removed from cache

visit

public Response visit(CommandVisitor visitor)
               throws Exception

Throws:

Exception

getFirstNakNumber

public int getFirstNakNumber()

Is used to specify the first sequence number to be replayed

setFirstNakNumber

public void setFirstNakNumber(int firstNakNumber)

getLastNakNumber

public int getLastNakNumber()

Is used to specify the last sequence number to be replayed

setLastNakNumber

public void setLastNakNumber(int lastNakNumber)

toString

public String toString()

Overrides:

toString in class BaseCommand