Package org.apache.qpid.server.queue

Class PriorityQueueImpl

java.lang.Object

org.apache.qpid.server.model.AbstractConfiguredObject<X>

org.apache.qpid.server.queue.AbstractQueue<X>

org.apache.qpid.server.queue.OutOfOrderQueue<PriorityQueueImpl>

org.apache.qpid.server.queue.PriorityQueueImpl

All Implemented Interfaces:

Comparable<PriorityQueueImpl>, DestinationReferrer, MessageDestination, MessageNode, MessageSource, ConfiguredObject<PriorityQueueImpl>, ContextProvider, PermissionedObject, Queue<PriorityQueueImpl>, TaskExecutorProvider, BaseQueue, MessageGroupManager.ConsumerResetHelper, PriorityQueue<PriorityQueueImpl>, TransactionLogResource, TransactionMonitor, Deletable<PriorityQueueImpl>

public class PriorityQueueImpl
extends OutOfOrderQueue<PriorityQueueImpl>
implements PriorityQueue<PriorityQueueImpl>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.qpid.server.queue.AbstractQueue

AbstractQueue.QueueEntryFilter

Nested classes/interfaces inherited from class org.apache.qpid.server.model.AbstractConfiguredObject

AbstractConfiguredObject.CallableWithArgument<V,A>, AbstractConfiguredObject.ChainedListenableFuture<V>, AbstractConfiguredObject.ChainedSettableFuture<V>, AbstractConfiguredObject.DuplicateIdException, AbstractConfiguredObject.DuplicateNameException

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

MessageSource.ConsumerAccessRefused, MessageSource.ExistingConsumerPreventsExclusive, MessageSource.ExistingExclusiveConsumer, MessageSource.MessageConversionExceptionHandlingPolicy, MessageSource.QueueDeleted

Nested classes/interfaces inherited from interface org.apache.qpid.server.model.Queue

Queue.BehaviourOnUnknownDeclareArgument, Queue.ExpiryPolicy

Field Summary

Fields inherited from class org.apache.qpid.server.model.AbstractConfiguredObject

SECURED_STRING_VALUE

Fields inherited from interface org.apache.qpid.server.model.ConfiguredObject

AWAIT_ATTAINMENT_TIMEOUT, CONTEXT, CREATED_BY, CREATED_TIME, DEFAULT_AWAIT_ATTAINMENT_TIMEOUT, DESCRIPTION, DESIRED_STATE, DURABLE, ID, LAST_UPDATED_BY, LAST_UPDATED_TIME, LIFETIME_POLICY, NAME, OVER_SIZED_ATTRIBUTE_ALTERNATIVE_TEXT, STATE, TYPE

Fields inherited from interface org.apache.qpid.server.queue.PriorityQueue

DEFAULT_PRIORITY_LEVELS, PRIORITIES

Fields inherited from interface org.apache.qpid.server.model.Queue

ALERT_REPEAT_GAP, ALERT_THRESHOLD_MESSAGE_AGE, ALERT_THRESHOLD_MESSAGE_SIZE, ALERT_THRESHOLD_QUEUE_DEPTH_BYTES, ALERT_THRESHOLD_QUEUE_DEPTH_MESSAGES, ALTERNATE_BINDING, CLASS_DESCRIPTION, CREATING_LINK_INFO, DEFAULT_ALERT_REPEAT_GAP, DEFAULT_ALERT_THRESHOLD_MESSAGE_AGE, DEFAULT_ALERT_THRESHOLD_MESSAGE_COUNT, DEFAULT_ALERT_THRESHOLD_MESSAGE_SIZE, DEFAULT_ALERT_THRESHOLD_QUEUE_DEPTH, DEFAULT_ALTERNATE_BINDING, DEFAULT_ENSURE_NON_DESTRUCTIVE_CONSUMERS, DEFAULT_EXCLUSIVITY, DEFAULT_EXPIRY_POLICY, DEFAULT_FILTERS, DEFAULT_FLOW_CONTROL_RESUME_LIMIT, DEFAULT_HOLD_ON_PUBLISH_ENABLED, DEFAULT_MAXIMUM_DELIVERY_ATTEMPTS, DEFAULT_MAXIMUM_DISTINCT_GROUPS, DEFAULT_MAXIMUM_LIVE_CONSUMERS, DEFAULT_MAXIMUM_MESSAGE_TTL, DEFAULT_MAXIMUM_QUEUE_DEPTH_BYTES, DEFAULT_MAXIMUM_QUEUE_DEPTH_MESSAGES, DEFAULT_MESSAGE_CONVERSION_EXCEPTION_HANDLING_POLICY, DEFAULT_MESSAGE_DURABILTY, DEFAULT_MESSAGE_GROUP_TYPE, DEFAULT_MIME_TYPE_TO_FILE_EXTENSION, DEFAULT_MINIMUM_MESSAGE_TTL, DEFAULT_OVERFLOW_POLICY, DEFAULT_QUEUE_SCAVANGE_COUNT, DEFAULT_SHARED_MESSAGE_GROUP, ENSURE_NONDESTRUCTIVE_CONSUMERS, EXCLUSIVE, EXPIRY_POLICY, HOLD_ON_PUBLISH_ENABLED, MAXIMUM_DELIVERY_ATTEMPTS, MAXIMUM_LIVE_CONSUMERS, MAXIMUM_MESSAGE_TTL, MAXIMUM_QUEUE_DEPTH_BYTES, MAXIMUM_QUEUE_DEPTH_MESSAGES, MESSAGE_CONVERSION_EXCEPTION_HANDLING_POLICY, MESSAGE_DURABILITY, MESSAGE_GROUP_DEFAULT_GROUP, MESSAGE_GROUP_KEY_OVERRIDE, MESSAGE_GROUP_TYPE, MIME_TYPE_TO_FILE_EXTENSION, MINIMUM_MESSAGE_TTL, NO_LOCAL, ON_UNKNOWN_QUEUE_DECLARE_OPTION, OVERFLOW_POLICY, OWNER, QUEUE_DEFAULT_ALTERNATE_BINDING, QUEUE_DEFAULT_EXCLUSIVITY_POLICY, QUEUE_FLOW_RESUME_LIMIT, QUEUE_FLOW_STOPPED, QUEUE_SCAVANGE_COUNT, UNKNOWN_QUEUE_DECLARE_ARGUMENT_BEHAVIOUR_NAME

Constructor Summary

Constructors

Constructor	Description
PriorityQueueImpl(Map<String,Object> attributes, QueueManagingVirtualHost<?> virtualHost)

Method Summary

Modifier and Type	Method	Description
int	getPriorities()
protected void	onOpen()
long	reenqueueMessageForPriorityChange(long messageId, int newPriority)	Re-enqueue the message with given id as a new message with priority changed to specified one.
List<Long>	reenqueueMessagesForPriorityChange(String selector, int newPriority)	Re-enqueue the messages matching given selector expression as a new messages having priority changed to specified one.

Methods inherited from class org.apache.qpid.server.queue.OutOfOrderQueue

checkConsumersNotAheadOfDelivery

Methods inherited from class org.apache.qpid.server.queue.AbstractQueue

addConsumer, addDeleteTask, addReference, authorisePublish, beforeClose, changeAttributes, checkCapacity, checkMessageStatus, checkValid, clearQueue, close, compareTo, completeRecovery, copyMessages, deleteAndReturnCount, deleteAndReturnCountAsync, deleteEntry, deleteMessages, doEnqueue, enqueue, getAddressSpace, getAlertRepeatGap, getAlertThresholdMessageAge, getAlertThresholdMessageSize, getAlertThresholdQueueDepthBytes, getAlertThresholdQueueDepthMessages, getAlternateBinding, getAlternateBindingDestination, getAvailableAttributes, getAvailableBytes, getAvailableBytesHighWatermark, getAvailableMessages, getAvailableMessagesHighWatermark, getBindingCount, getChildren, getConsumerCount, getConsumerCountWithCredit, getConsumers, getCreatingLinkInfo, getDefaultFilters, getEventLogger, getExclusive, getExpiryPolicy, getLeastSignificantOldestEntry, getLogSubject, getMaximumDeliveryAttempts, getMaximumDistinctGroups, getMaximumLiveConsumers, getMaximumMessageTtl, getMaximumQueueDepthBytes, getMaximumQueueDepthMessages, getMessageContent, getMessageConversionExceptionHandlingPolicy, getMessageDurability, getMessageGroupDefaultGroup, getMessageGroupKeyOverride, getMessageGroupType, getMessageInfo, getMessageInfoById, getMessageOnTheQueue, getMessagesOnTheQueue, getMinimumMessageTtl, getNotificationChecks, getOldestMessageAge, getOldestMessageArrivalTime, getOverflowPolicy, getOwner, getPersistentDequeuedBytes, getPersistentDequeuedMessages, getPersistentEnqueuedBytes, getPersistentEnqueuedMessages, getProducerCount, getPublishingLinks, getQueueConsumerManager, getQueueDepthBytes, getQueueDepthBytesHighWatermark, getQueueDepthMessages, getQueueDepthMessagesHighWatermark, getTotalDequeuedBytes, getTotalDequeuedMessages, getTotalEnqueuedBytes, getTotalEnqueuedMessages, getTotalExpiredBytes, getTotalExpiredMessages, getTotalMalformedBytes, getTotalMalformedMessages, getUnacknowledgedBytes, getUnacknowledgedMessages, getVirtualHost, isDeleted, isEmpty, isEnsureNondestructiveConsumers, isEntryAheadOfConsumer, isExclusive, isHeld, isHoldOnPublishEnabled, isNoLocal, isQueueFlowStopped, isUnused, linkAdded, linkRemoved, logCreated, logDeleted, logOperation, logRecovered, logUpdated, moveMessages, onClose, onCreate, onDelete, onValidate, queueEntryIterator, reallocateMessages, recover, registerTransaction, removeDeleteTask, removeReference, requeue, resetStatistics, resetSubPointersForGroups, resetSubPointersForGroups, route, setAlternateBinding, setNotificationListener, toString, unregisterTransaction, validateChange, validateOnCreate, verifySessionAccess, visit

Methods inherited from class org.apache.qpid.server.model.AbstractConfiguredObject

addChangeListener, addChildAsync, addFutureCallback, applyToChildren, asObjectRecord, attainState, attributesAsString, attributeSet, authorise, authorise, authorise, authoriseCreateChild, awaitChildClassToAttainState, awaitChildClassToAttainState, beforeDelete, childAdded, childRemoved, closeAsync, closeChildren, create, createAsync, createChild, createChildAsync, decryptSecrets, delete, deleteAsync, deleteChildren, deleteNoChecks, doAfter, doAfter, doAfter, doAfter, doAfter, doAfter, doAfterAlways, doAfterAlways, doCreation, doOnConfigThread, doOpening, doResolution, doSync, doSync, doValidation, findConfiguredObject, forceUpdateAllSecureAttributes, getAccessControl, getActualAttributes, getAncestor, getAttainedChildById, getAttainedChildByName, getAttribute, getAttributeNames, getCategoryClass, getChildById, getChildByName, getChildExecutor, getContext, getContextKeys, getContextValue, getContextValue, getCreatedBy, getCreatedTime, getDescription, getDesiredState, getId, getLastOpenedTime, getLastUpdatedBy, getLastUpdatedTime, getLifetimePolicy, getModel, getName, getObjectFactory, getParent, getState, getStatistics, getStatistics, getSubjectWithAddedSystemRights, getSystemPrincipal, getSystemTaskControllerContext, getSystemTaskSubject, getSystemTaskSubject, getTaskExecutor, getType, getTypeClass, getUserPreferences, handleExceptionOnOpen, hasEncrypter, isDurable, isSystemProcess, isSystemSubject, managesChildStorage, newToken, notifyStateChanged, onExceptionInOpen, onResolve, open, openAsync, postResolve, postResolveChildren, postSetAttributes, registerWithParents, removeChangeListener, removeContextVariable, rethrowRuntimeExceptionsOnOpen, runTask, setAttributes, setAttributesAsync, setContextVariable, setEncrypter, setState, setUserPreferences, start, startAsync, stop, updateModel, validateChildDelete

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.BaseQueue

enqueue, isDeleted

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface org.apache.qpid.server.model.ConfiguredObject

addChangeListener, asObjectRecord, authorise, authorise, authorise, close, closeAsync, createChild, createChildAsync, decryptSecrets, delete, deleteAsync, findConfiguredObject, getActualAttributes, getAttainedChildById, getAttainedChildByName, getAttribute, getAttributeNames, getCategoryClass, getChildById, getChildByName, getChildExecutor, getChildren, getContext, getCreatedBy, getCreatedTime, getDescription, getDesiredState, getId, getLastOpenedTime, getLastUpdatedBy, getLastUpdatedTime, getLifetimePolicy, getModel, getName, getObjectFactory, getParent, getState, getStatistics, getStatistics, getType, getTypeClass, getUserPreferences, hasEncrypter, isDurable, managesChildStorage, newToken, open, openAsync, removeChangeListener, removeContextVariable, setAttributes, setAttributesAsync, setContextVariable, setUserPreferences

Methods inherited from interface org.apache.qpid.server.model.ContextProvider

getContextKeys, getContextValue, getContextValue

Methods inherited from interface org.apache.qpid.server.util.Deletable

addDeleteTask, removeDeleteTask

Methods inherited from interface org.apache.qpid.server.message.MessageDestination

addReference, authorisePublish, getAddressSpace, getAlternateBindingDestination, getName, isDurable, linkAdded, linkRemoved, removeReference, route

Methods inherited from interface org.apache.qpid.server.message.MessageSource

addConsumer, close, verifySessionAccess

Methods inherited from interface org.apache.qpid.server.model.Queue

checkCapacity, checkMessageStatus, checkValid, clearQueue, completeRecovery, copyMessages, deleteAndReturnCount, deleteAndReturnCountAsync, deleteEntry, deleteMessages, getAlertRepeatGap, getAlertThresholdMessageAge, getAlertThresholdMessageSize, getAlertThresholdQueueDepthBytes, getAlertThresholdQueueDepthMessages, getAlternateBinding, getAvailableAttributes, getAvailableBytes, getAvailableBytesHighWatermark, getAvailableMessages, getAvailableMessagesHighWatermark, getBindingCount, getConsumerCount, getConsumerCountWithCredit, getConsumers, getCreatingLinkInfo, getDefaultFilters, getExclusive, getExpiryPolicy, getLeastSignificantOldestEntry, getLogSubject, getMaximumDeliveryAttempts, getMaximumDistinctGroups, getMaximumLiveConsumers, getMaximumMessageTtl, getMaximumQueueDepthBytes, getMaximumQueueDepthMessages, getMessageContent, getMessageConversionExceptionHandlingPolicy, getMessageDurability, getMessageGroupDefaultGroup, getMessageGroupKeyOverride, getMessageGroupType, getMessageInfo, getMessageInfoById, getMessageOnTheQueue, getMessagesOnTheQueue, getMinimumMessageTtl, getNotificationChecks, getOldestMessageAge, getOldestMessageArrivalTime, getOverflowPolicy, getOwner, getPersistentDequeuedBytes, getPersistentDequeuedMessages, getPersistentEnqueuedBytes, getPersistentEnqueuedMessages, getProducerCount, getPublishingLinks, getQueueDepthBytes, getQueueDepthBytesHighWatermark, getQueueDepthMessages, getQueueDepthMessagesHighWatermark, getTotalDequeuedBytes, getTotalDequeuedMessages, getTotalEnqueuedBytes, getTotalEnqueuedMessages, getTotalExpiredBytes, getTotalExpiredMessages, getTotalMalformedBytes, getTotalMalformedMessages, getUnacknowledgedBytes, getUnacknowledgedMessages, getVirtualHost, isEmpty, isEnsureNondestructiveConsumers, isExclusive, isHeld, isHoldOnPublishEnabled, isNoLocal, isQueueFlowStopped, isUnused, moveMessages, queueEntryIterator, reallocateMessages, recover, requeue, resetStatistics, setNotificationListener, visit

Methods inherited from interface org.apache.qpid.server.model.TaskExecutorProvider

getTaskExecutor

Methods inherited from interface org.apache.qpid.server.store.TransactionLogResource

getId, getName

Constructor Detail

PriorityQueueImpl

public PriorityQueueImpl(Map<String,Object> attributes,
                         QueueManagingVirtualHost<?> virtualHost)

Method Detail

onOpen

protected void onOpen()

Overrides:

onOpen in class AbstractQueue<PriorityQueueImpl>

getPriorities

public int getPriorities()

Specified by:

getPriorities in interface PriorityQueue<PriorityQueueImpl>

reenqueueMessageForPriorityChange

public long reenqueueMessageForPriorityChange(long messageId,
                                              int newPriority)

Description copied from interface: PriorityQueue

Re-enqueue the message with given id as a new message with priority changed to specified one.
The operation results in a deletion of original message and creation of new message which is a copy of original one except for different message id and priority.

Specified by:

reenqueueMessageForPriorityChange in interface PriorityQueue<PriorityQueueImpl>

Parameters:

messageId - message id

newPriority - new priority

Returns:

new message id, or -1 if message is not found or priority is not changed

reenqueueMessagesForPriorityChange

public List<Long> reenqueueMessagesForPriorityChange(String selector,
                                                     int newPriority)

Description copied from interface: PriorityQueue

Re-enqueue the messages matching given selector expression as a new messages having priority changed to specified one.
Using null or an empty filter will change all messages from this queue.
The operation results in a deletion of original messages and creation of new messages having the same properties and content as original ones except for different message id and priority.

Specified by:

reenqueueMessagesForPriorityChange in interface PriorityQueue<PriorityQueueImpl>

Parameters:

selector - selector expression

newPriority - new priority

Returns:

the list containing ids of re-enqueed message s