com.hazelcast.collection.impl.queue

Class QueueService

java.lang.Object

com.hazelcast.collection.impl.queue.QueueService

All Implemented Interfaces:

EventPublishingService<QueueEvent,ItemListener>, ManagedService, MigrationAwareService, RemoteService, StatisticsAwareService, TransactionalService

public class QueueService
extends Object
implements ManagedService, MigrationAwareService, TransactionalService, RemoteService, EventPublishingService<QueueEvent,ItemListener>, StatisticsAwareService

Provides important services via methods for the the Queue such as QueueEvictionProcessor

Field Summary

Fields

Modifier and Type	Field and Description
static String	SERVICE_NAME Service name.

Constructor Summary

Constructors

Constructor and Description
QueueService(NodeEngine nodeEngine)

Method Summary

Methods

Modifier and Type	Method and Description
void	addContainer(String name, QueueContainer container)
String	addItemListener(String name, ItemListener listener, boolean includeValue)
void	beforeMigration(PartitionMigrationEvent partitionMigrationEvent)
void	cancelEviction(String name)
void	clearPartitionReplica(int partitionId)
void	commitMigration(PartitionMigrationEvent event)
boolean	containsQueue(String name)
QueueProxyImpl	createDistributedObject(String objectId) Creates a distributed object.
LocalQueueStats	createLocalQueueStats(String name)
LocalQueueStats	createLocalQueueStats(String name, int partitionId)
TransactionalQueueProxy	createTransactionalObject(String name, TransactionSupport transaction)
void	destroyDistributedObject(String name) Destroys a distributed object.
void	dispatchEvent(QueueEvent event, ItemListener listener)
LocalQueueStatsImpl	getLocalQueueStatsImpl(String name)
NodeEngine	getNodeEngine()
QueueContainer	getOrCreateContainer(String name, boolean fromBackup)
Map<String,LocalQueueStats>	getStats()
void	init(NodeEngine nodeEngine, Properties properties) Initializes this ManagedService
Operation	prepareReplicationOperation(PartitionReplicationEvent event)
boolean	removeItemListener(String name, String registrationId)
void	reset() reset this ManagedService back to initial state.
void	rollbackMigration(PartitionMigrationEvent event)
void	rollbackTransaction(String transactionId)
void	scheduleEviction(String name, long delay)
void	shutdown(boolean terminate) Shuts down this ManagedService.

Methods inherited from class java.lang.Object

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

Field Detail

SERVICE_NAME

public static final String SERVICE_NAME

Service name.

See Also:

Constant Field Values

Constructor Detail

QueueService

public QueueService(NodeEngine nodeEngine)

Method Detail

scheduleEviction

public void scheduleEviction(String name,
                    long delay)

cancelEviction

public void cancelEviction(String name)

init

public void init(NodeEngine nodeEngine,
        Properties properties)

Description copied from interface: ManagedService

Initializes this ManagedService

Specified by:

init in interface ManagedService

Parameters:

nodeEngine - the NodeEngine that this ManagedService belongs to.

properties - the Properties. Can be used to pass settings to the service.

reset

public void reset()

Description copied from interface: ManagedService

reset this ManagedService back to initial state. todo: what is the purpose of reset

Specified by:

reset in interface ManagedService

shutdown

public void shutdown(boolean terminate)

Description copied from interface: ManagedService

Shuts down this ManagedService. todo: what is the purpose of the terminate variable.

Specified by:

shutdown in interface ManagedService

Parameters:

terminate - true to shut down the ManagedService

getOrCreateContainer

public QueueContainer getOrCreateContainer(String name,
                                  boolean fromBackup)
                                    throws Exception

Throws:

Exception

addContainer

public void addContainer(String name,
                QueueContainer container)

containsQueue

public boolean containsQueue(String name)

beforeMigration

public void beforeMigration(PartitionMigrationEvent partitionMigrationEvent)

Specified by:

beforeMigration in interface MigrationAwareService

prepareReplicationOperation

public Operation prepareReplicationOperation(PartitionReplicationEvent event)

Specified by:

prepareReplicationOperation in interface MigrationAwareService

commitMigration

public void commitMigration(PartitionMigrationEvent event)

Specified by:

commitMigration in interface MigrationAwareService

rollbackMigration

public void rollbackMigration(PartitionMigrationEvent event)

Specified by:

rollbackMigration in interface MigrationAwareService

clearPartitionReplica

public void clearPartitionReplica(int partitionId)

Specified by:

clearPartitionReplica in interface MigrationAwareService

dispatchEvent

public void dispatchEvent(QueueEvent event,
                 ItemListener listener)

Specified by:

dispatchEvent in interface EventPublishingService<QueueEvent,ItemListener>

createDistributedObject

public QueueProxyImpl createDistributedObject(String objectId)

Description copied from interface: RemoteService

Creates a distributed object.

Specified by:

createDistributedObject in interface RemoteService

Parameters:

objectId - the name for the created distributed object

Returns:

the created distributed object

destroyDistributedObject

public void destroyDistributedObject(String name)

Description copied from interface: RemoteService

Destroys a distributed object.

Specified by:

destroyDistributedObject in interface RemoteService

Parameters:

name - the name of the distributed object to destroy

addItemListener

public String addItemListener(String name,
                     ItemListener listener,
                     boolean includeValue)

removeItemListener

public boolean removeItemListener(String name,
                         String registrationId)

getNodeEngine

public NodeEngine getNodeEngine()

createLocalQueueStats

public LocalQueueStats createLocalQueueStats(String name,
                                    int partitionId)

createLocalQueueStats

public LocalQueueStats createLocalQueueStats(String name)

getLocalQueueStatsImpl

public LocalQueueStatsImpl getLocalQueueStatsImpl(String name)

createTransactionalObject

public TransactionalQueueProxy createTransactionalObject(String name,
                                                TransactionSupport transaction)

Specified by:

createTransactionalObject in interface TransactionalService

rollbackTransaction

public void rollbackTransaction(String transactionId)

Specified by:

rollbackTransaction in interface TransactionalService

getStats

public Map<String,LocalQueueStats> getStats()

Specified by:

getStats in interface StatisticsAwareService