Command (ActiveMQ :: Client 5.18.0 API)

All Superinterfaces:

DataStructure

All Known Implementing Classes:

ActiveMQBlobMessage, ActiveMQBytesMessage, ActiveMQMapMessage, ActiveMQMessage, ActiveMQObjectMessage, ActiveMQStreamMessage, ActiveMQTextMessage, BaseCommand, BrokerInfo, BrokerSubscriptionInfo, ConnectionControl, ConnectionError, ConnectionInfo, ConsumerControl, ConsumerInfo, ControlCommand, DataArrayResponse, DataResponse, DestinationInfo, ExceptionResponse, FlushCommand, IntegerResponse, KeepAliveInfo, LastPartialCommand, Message, MessageAck, MessageDispatch, MessageDispatchNotification, MessagePull, PartialCommand, ProducerAck, ProducerInfo, RemoveInfo, RemoveSubscriptionInfo, ReplayCommand, Response, SessionInfo, ShutdownInfo, Tracked, TransactionInfo, WireFormatInfo
```
public interface Command
extends DataStructure
```
The Command Pattern so that we can send and receive commands on the different transports

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getCommandId()`
`Endpoint`	`getFrom()`	The endpoint within the transport where this message came from which could be null if the transport only supports a single endpoint.
`Endpoint`	`getTo()`	The endpoint within the transport where this message is going to - null means all endpoints.
`boolean`	`isBrokerInfo()`
`boolean`	`isConnectionControl()`
`boolean`	`isConsumerControl()`
`boolean`	`isMessage()`
`boolean`	`isMessageAck()`
`boolean`	`isMessageDispatch()`
`boolean`	`isMessageDispatchNotification()`
`boolean`	`isResponse()`
`boolean`	`isResponseRequired()`
`boolean`	`isShutdownInfo()`
`boolean`	`isWireFormatInfo()`
`void`	`setCommandId(int value)`
`void`	`setFrom(Endpoint from)`
`void`	`setResponseRequired(boolean responseRequired)`
`void`	`setTo(Endpoint to)`
`Response`	`visit(CommandVisitor visitor)`

Methods inherited from interface org.apache.activemq.command.DataStructure
getDataStructureType, isMarshallAware

Method Detail

setCommandId
```
void setCommandId(int value)
```

getCommandId
```
int getCommandId()
```
Returns:

the unique ID of this request used to map responses to requests

setResponseRequired

void setResponseRequired(boolean responseRequired)

isResponseRequired
```
boolean isResponseRequired()
```

isResponse
```
boolean isResponse()
```

isMessageDispatch
```
boolean isMessageDispatch()
```

isBrokerInfo
```
boolean isBrokerInfo()
```

isWireFormatInfo
```
boolean isWireFormatInfo()
```

isMessage
```
boolean isMessage()
```

isMessageAck
```
boolean isMessageAck()
```

isMessageDispatchNotification

boolean isMessageDispatchNotification()

isShutdownInfo
```
boolean isShutdownInfo()
```

isConnectionControl
```
boolean isConnectionControl()
```

isConsumerControl
```
boolean isConsumerControl()
```

visit

Response visit(CommandVisitor visitor)
        throws Exception

Throws:: Exception

getFrom
```
Endpoint getFrom()
```
The endpoint within the transport where this message came from which could be null if the transport only supports a single endpoint.

setFrom
```
void setFrom(Endpoint from)
```

getTo
```
Endpoint getTo()
```
The endpoint within the transport where this message is going to - null means all endpoints.

setTo
```
void setTo(Endpoint to)
```