ProducerAck (ActiveMQ 5.17.0 API)

java.lang.Object
- org.apache.activemq.command.BaseCommand
- - org.apache.activemq.command.ProducerAck

All Implemented Interfaces:

Command, DataStructure
```
public class ProducerAck
extends BaseCommand
```
A ProducerAck command is sent by a broker to a producer to let it know it has received and processed messages that it has produced. The producer will be flow controlled if it does not receive ProducerAck commands back from the broker.

Field Summary

Fields
Modifier and Type Field Description

static byte DATA_STRUCTURE_TYPE

protected ProducerId producerId

protected int size
- Fields inherited from class org.apache.activemq.command.BaseCommand
  commandId, responseRequired

Constructor Summary

Constructors
Constructor Description

ProducerAck()

ProducerAck(ProducerId producerId, int size)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`copy(ProducerAck copy)`
`byte`	`getDataStructureType()`
`ProducerId`	`getProducerId()`	The producer id that this ack message is destined for.
`int`	`getSize()`	The number of bytes that are being acked.
`void`	`setProducerId(ProducerId producerId)`
`void`	`setSize(int size)`
`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, toString

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

Field Detail

DATA_STRUCTURE_TYPE
```
public static final byte DATA_STRUCTURE_TYPE
```
See Also:

Constant Field Values

producerId
```
protected ProducerId producerId
```

size
```
protected int size
```

Constructor Detail

ProducerAck
```
public ProducerAck()
```

ProducerAck

public ProducerAck(ProducerId producerId,
                   int size)

Method Detail

copy

public void copy(ProducerAck copy)

getDataStructureType
```
public byte getDataStructureType()
```
Returns:

The type of the data structure

visit

public Response visit(CommandVisitor visitor)
               throws Exception

Throws:: Exception

getProducerId
```
public ProducerId getProducerId()
```
The producer id that this ack message is destined for.

setProducerId

public void setProducerId(ProducerId producerId)

getSize
```
public int getSize()
```
The number of bytes that are being acked.

setSize
```
public void setSize(int size)
```