com.hazelcast.concurrent.semaphore

Class SemaphoreService

java.lang.Object

com.hazelcast.concurrent.semaphore.SemaphoreService

All Implemented Interfaces:

ClientAwareService, ManagedService, MembershipAwareService, MigrationAwareService, RemoteService

public class SemaphoreService
extends Object
implements ManagedService, MigrationAwareService, MembershipAwareService, RemoteService, ClientAwareService

Field Summary

Fields

Modifier and Type	Field and Description
static String	SERVICE_NAME

Constructor Summary

Constructors

Constructor and Description
SemaphoreService(NodeEngine nodeEngine)

Method Summary

Methods

Modifier and Type	Method and Description
void	beforeMigration(PartitionMigrationEvent partitionMigrationEvent)
void	clearPartitionReplica(int partitionId)
void	clientDisconnected(String clientUuid) Invoked when a client disconnects from a member.
void	commitMigration(PartitionMigrationEvent event)
boolean	containsSemaphore(String name)
SemaphoreProxy	createDistributedObject(String objectId) Creates a distributed object.
void	destroyDistributedObject(String objectId) Destroys a distributed object.
SemaphoreContainer	getSemaphoreContainer(String name)
void	init(NodeEngine nodeEngine, Properties properties) Initializes this ManagedService
void	insertMigrationData(Map<String,SemaphoreContainer> migrationData)
void	memberAdded(MembershipServiceEvent event) Invoked when a new member is added to the cluster.
void	memberAttributeChanged(MemberAttributeServiceEvent event) Invoked when a member attribute is changed.
void	memberRemoved(MembershipServiceEvent event) Invoked when an existing member leaves the cluster.
Operation	prepareReplicationOperation(PartitionReplicationEvent event)
void	reset() reset this ManagedService back to initial state.
void	rollbackMigration(PartitionMigrationEvent event)
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

See Also:

Constant Field Values

Constructor Detail

SemaphoreService

public SemaphoreService(NodeEngine nodeEngine)

Method Detail

getSemaphoreContainer

public SemaphoreContainer getSemaphoreContainer(String name)

containsSemaphore

public boolean containsSemaphore(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

memberAdded

public void memberAdded(MembershipServiceEvent event)

Description copied from interface: MembershipAwareService

Invoked when a new member is added to the cluster. Should be non-blocking.

Specified by:

memberAdded in interface MembershipAwareService

Parameters:

event - the event for a new member added to the cluster

memberRemoved

public void memberRemoved(MembershipServiceEvent event)

Description copied from interface: MembershipAwareService

Invoked when an existing member leaves the cluster. Should be non-blocking.

Specified by:

memberRemoved in interface MembershipAwareService

Parameters:

event - the event for an existing member leaving the cluster

memberAttributeChanged

public void memberAttributeChanged(MemberAttributeServiceEvent event)

Description copied from interface: MembershipAwareService

Invoked when a member attribute is changed.

Specified by:

memberAttributeChanged in interface MembershipAwareService

Parameters:

event - the event for a member attribute being changed

createDistributedObject

public SemaphoreProxy 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 objectId)

Description copied from interface: RemoteService

Destroys a distributed object.

Specified by:

destroyDistributedObject in interface RemoteService

Parameters:

objectId - the name of the distributed object to destroy

beforeMigration

public void beforeMigration(PartitionMigrationEvent partitionMigrationEvent)

Specified by:

beforeMigration in interface MigrationAwareService

prepareReplicationOperation

public Operation prepareReplicationOperation(PartitionReplicationEvent event)

Specified by:

prepareReplicationOperation in interface MigrationAwareService

insertMigrationData

public void insertMigrationData(Map<String,SemaphoreContainer> migrationData)

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

clientDisconnected

public void clientDisconnected(String clientUuid)

Description copied from interface: ClientAwareService

Invoked when a client disconnects from a member.

Specified by:

clientDisconnected in interface ClientAwareService

Parameters:

clientUuid - the Uuid of the client that disconnected from a member