Package org.apache.qpid.server.queue

Class QueueEntryImpl

java.lang.Object

org.apache.qpid.server.queue.QueueEntryImpl

All Implemented Interfaces:

java.lang.Comparable<QueueEntry>, MessageInstance, QueueEntry

Direct Known Subclasses:

OrderedQueueEntry, SortedQueueEntry

public abstract class QueueEntryImpl
extends java.lang.Object
implements QueueEntry

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.qpid.server.message.MessageInstance

MessageInstance.AvailableState, MessageInstance.ConsumerAcquiredState<C extends MessageInstanceConsumer>, MessageInstance.DeletedState, MessageInstance.DequeuedState, MessageInstance.EntryState, MessageInstance.NonConsumerAcquiredState, MessageInstance.State, MessageInstance.StealableConsumerAcquiredState<C extends MessageInstanceConsumer>, MessageInstance.UnstealableConsumerAcquiredState<C extends MessageInstanceConsumer>

Field Summary

Fields inherited from interface org.apache.qpid.server.message.MessageInstance

AVAILABLE_STATE, DELETED_STATE, DEQUEUED_STATE, NON_CONSUMER_ACQUIRED_STATE

Method Summary

Modifier and Type	Method	Description
boolean	acquire()
boolean	acquire(MessageInstanceConsumer<?> consumer)
boolean	acquiredByConsumer()
boolean	acquireOrSteal(java.lang.Runnable delayedAcquisitionTask)
void	addStateChangeListener(StateChangeListener<? super MessageInstance,MessageInstance.EntryState> listener)
Filterable	asFilterable()
boolean	checkHeld(long evaluationTime)
int	compareTo(QueueEntry o)
void	decrementDeliveryCount()
void	delete()
boolean	expired()
QueueConsumer<?,?>	getAcquiringConsumer()
boolean	getDeliveredToConsumer()
int	getDeliveryCount()	Number of times this queue entry has been delivered.
MessageEnqueueRecord	getEnqueueRecord()
InstanceProperties	getInstanceProperties()
int	getMaximumDeliveryCount()
ServerMessage	getMessage()
TransactionLogResource	getOwningResource()
Queue<?>	getQueue()
org.apache.qpid.server.queue.QueueEntryList	getQueueEntryList()
long	getSize()
long	getSizeWithHeader()
void	incrementDeliveryCount()
boolean	isAcquired()
boolean	isAcquiredBy(MessageInstanceConsumer<?> consumer)
boolean	isAvailable()
boolean	isDeleted()
boolean	isHeld()
boolean	isPersistent()
boolean	isQueueDeleted()
boolean	isRedelivered()
boolean	isRejectedBy(MessageInstanceConsumer<?> consumer)
boolean	makeAcquisitionStealable()
boolean	makeAcquisitionUnstealable(MessageInstanceConsumer<?> consumer)
MessageReference	newMessageReference()
protected void	onDelete()
void	reject(MessageInstanceConsumer<?> consumer)
void	release()
void	release(MessageInstanceConsumer<?> consumer)
boolean	removeAcquisitionFromConsumer(MessageInstanceConsumer<?> consumer)
boolean	removeStateChangeListener(StateChangeListener<? super MessageInstance,MessageInstance.EntryState> listener)
int	routeToAlternate(Action<? super MessageInstance> action, ServerTransaction txn, java.util.function.Predicate<BaseQueue> predicate)
void	setExpiration(long expiration)
void	setRedelivered()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.qpid.server.queue.QueueEntry

getNextNode, getNextValidEntry

Method Detail

setExpiration

public void setExpiration(long expiration)

Specified by:

setExpiration in interface QueueEntry

getInstanceProperties

public InstanceProperties getInstanceProperties()

Specified by:

getInstanceProperties in interface MessageInstance

getQueue

public Queue<?> getQueue()

Specified by:

getQueue in interface QueueEntry

getMessage

public ServerMessage getMessage()

Specified by:

getMessage in interface MessageInstance

getSize

public long getSize()

Specified by:

getSize in interface QueueEntry

getSizeWithHeader

public long getSizeWithHeader()

Specified by:

getSizeWithHeader in interface QueueEntry

getDeliveredToConsumer

public boolean getDeliveredToConsumer()

Specified by:

getDeliveredToConsumer in interface MessageInstance

expired

public boolean expired()

Specified by:

expired in interface MessageInstance

isAvailable

public boolean isAvailable()

Specified by:

isAvailable in interface MessageInstance

isAcquired

public boolean isAcquired()

Specified by:

isAcquired in interface MessageInstance

acquire

public boolean acquire()

Specified by:

acquire in interface MessageInstance

acquireOrSteal

public boolean acquireOrSteal(java.lang.Runnable delayedAcquisitionTask)

Specified by:

acquireOrSteal in interface QueueEntry

acquire

public boolean acquire(MessageInstanceConsumer<?> consumer)

Specified by:

acquire in interface MessageInstance

makeAcquisitionUnstealable

public boolean makeAcquisitionUnstealable(MessageInstanceConsumer<?> consumer)

Specified by:

makeAcquisitionUnstealable in interface MessageInstance

makeAcquisitionStealable

public boolean makeAcquisitionStealable()

Specified by:

makeAcquisitionStealable in interface MessageInstance

acquiredByConsumer

public boolean acquiredByConsumer()

Specified by:

acquiredByConsumer in interface MessageInstance

getAcquiringConsumer

public QueueConsumer<?,?> getAcquiringConsumer()

Specified by:

getAcquiringConsumer in interface MessageInstance

isAcquiredBy

public boolean isAcquiredBy(MessageInstanceConsumer<?> consumer)

Specified by:

isAcquiredBy in interface MessageInstance

removeAcquisitionFromConsumer

public boolean removeAcquisitionFromConsumer(MessageInstanceConsumer<?> consumer)

Specified by:

removeAcquisitionFromConsumer in interface MessageInstance

release

public void release()

Specified by:

release in interface MessageInstance

release

public void release(MessageInstanceConsumer<?> consumer)

Specified by:

release in interface MessageInstance

checkHeld

public boolean checkHeld(long evaluationTime)

Specified by:

checkHeld in interface QueueEntry

reject

public void reject(MessageInstanceConsumer<?> consumer)

Specified by:

reject in interface MessageInstance

isRejectedBy

public boolean isRejectedBy(MessageInstanceConsumer<?> consumer)

Specified by:

isRejectedBy in interface MessageInstance

delete

public void delete()

Specified by:

delete in interface MessageInstance

routeToAlternate

public int routeToAlternate(Action<? super MessageInstance> action,
                            ServerTransaction txn,
                            java.util.function.Predicate<BaseQueue> predicate)

Specified by:

routeToAlternate in interface MessageInstance

isQueueDeleted

public boolean isQueueDeleted()

Specified by:

isQueueDeleted in interface QueueEntry

addStateChangeListener

public void addStateChangeListener(StateChangeListener<? super MessageInstance,MessageInstance.EntryState> listener)

Specified by:

addStateChangeListener in interface MessageInstance

removeStateChangeListener

public boolean removeStateChangeListener(StateChangeListener<? super MessageInstance,MessageInstance.EntryState> listener)

Specified by:

removeStateChangeListener in interface MessageInstance

compareTo

public int compareTo(QueueEntry o)

Specified by:

compareTo in interface java.lang.Comparable<QueueEntry>

onDelete

protected void onDelete()

getQueueEntryList

public org.apache.qpid.server.queue.QueueEntryList getQueueEntryList()

isDeleted

public boolean isDeleted()

Specified by:

isDeleted in interface MessageInstance

isHeld

public boolean isHeld()

Specified by:

isHeld in interface MessageInstance

getDeliveryCount

public int getDeliveryCount()

Description copied from interface: MessageInstance

Number of times this queue entry has been delivered.

Specified by:

getDeliveryCount in interface MessageInstance

Returns:

delivery count

getMaximumDeliveryCount

public int getMaximumDeliveryCount()

Specified by:

getMaximumDeliveryCount in interface MessageInstance

incrementDeliveryCount

public void incrementDeliveryCount()

Specified by:

incrementDeliveryCount in interface MessageInstance

decrementDeliveryCount

public void decrementDeliveryCount()

Specified by:

decrementDeliveryCount in interface MessageInstance

asFilterable

public Filterable asFilterable()

Specified by:

asFilterable in interface MessageInstance

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getOwningResource

public TransactionLogResource getOwningResource()

Specified by:

getOwningResource in interface MessageInstance

setRedelivered

public void setRedelivered()

Specified by:

setRedelivered in interface MessageInstance

isRedelivered

public boolean isRedelivered()

Specified by:

isRedelivered in interface MessageInstance

isPersistent

public boolean isPersistent()

Specified by:

isPersistent in interface MessageInstance

newMessageReference

public MessageReference newMessageReference()

Specified by:

newMessageReference in interface QueueEntry

getEnqueueRecord

public MessageEnqueueRecord getEnqueueRecord()

Specified by:

getEnqueueRecord in interface MessageInstance