QueueMessageReference (ActiveMQ 5.17.0 API)

All Superinterfaces:

MessageReference

All Known Implementing Classes:

IndirectMessageReference, NullMessageReference
```
public interface QueueMessageReference
extends MessageReference
```
Queue specific MessageReference.

Author:

fateev@amazon.com

Field Summary

Fields
Modifier and Type Field Description

static QueueMessageReference NULL_MESSAGE

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`drop()`
`boolean`	`dropIfLive()`
`LockOwner`	`getLockOwner()`
`boolean`	`isAcked()`
`boolean`	`isDropped()`	Returns true if this message is dropped.
`boolean`	`lock(LockOwner subscription)`
`void`	`setAcked(boolean b)`
`boolean`	`unlock()`

Methods inherited from interface org.apache.activemq.broker.region.MessageReference
canProcessAsExpired, decrementReferenceCount, getExpiration, getGroupID, getGroupSequence, getMessage, getMessageHardRef, getMessageId, getRedeliveryCounter, getReferenceCount, getRegionDestination, getSize, getTargetConsumerId, incrementRedeliveryCounter, incrementReferenceCount, isAdvisory, isExpired, isPersistent

Field Detail

NULL_MESSAGE

static final QueueMessageReference NULL_MESSAGE

Method Detail
- isAcked
```
boolean isAcked()
```
- setAcked
```
void setAcked(boolean b)
```
- drop
```
void drop()
```
- dropIfLive
```
boolean dropIfLive()
```
- isDropped
```
boolean isDropped()
```
  Description copied from interface: MessageReference
  
  Returns true if this message is dropped.
  
  Specified by:
  
  isDropped in interface MessageReference
- lock
```
boolean lock(LockOwner subscription)
```
- unlock
```
boolean unlock()
```
- getLockOwner
```
LockOwner getLockOwner()
```