com.hazelcast.spi.impl.eventservice.impl

Class EventServiceImpl

java.lang.Object

com.hazelcast.spi.impl.eventservice.impl.EventServiceImpl

All Implemented Interfaces:

MetricsProvider, EventService, InternalEventService, PacketHandler

public class EventServiceImpl
extends Object
implements InternalEventService, MetricsProvider

Field Summary

Fields

Modifier and Type	Field and Description
static String	EVENT_SYNC_FREQUENCY_PROP

Constructor Summary

Constructors

Constructor and Description
EventServiceImpl(NodeEngineImpl nodeEngine)

Method Summary

Methods

Modifier and Type	Method and Description
void	close(EventRegistration eventRegistration) Closes an EventRegistration.
void	deregisterAllListeners(String serviceName, String topic) Deregisters all listeners belonging to the given service and topic.
boolean	deregisterListener(String serviceName, String topic, Object id) Deregisters a listener with the given registration id.
void	executeEventCallback(Runnable callback) Executes an event callback on a random event thread.
int	getEventQueueCapacity() Returns the queue capacity per event thread.
int	getEventQueueSize() Returns the current total event queue size.
int	getEventThreadCount() Returns the event thread count.
PostJoinRegistrationOperation	getPostJoinOperation()
Collection<EventRegistration>	getRegistrations(String serviceName, String topic) Returns all registrations belonging to the given service and topic.
EventRegistration[]	getRegistrationsAsArray(String serviceName, String topic) Returns all registrations belonging to the given service and topic as an array.
EventServiceSegment	getSegment(String service, boolean forceCreate)
void	handle(Packet packet) Signals the PacketHandler that there is a packet to be handled.
boolean	handleRegistration(Registration reg)
boolean	hasEventRegistration(String serviceName, String topic) Returns true if a listener is registered with the specified service name and topic.
void	onMemberLeft(MemberImpl member)
void	provideMetrics(MetricsRegistry metricsRegistry)
void	publishEvent(String serviceName, Collection<EventRegistration> registrations, Object event, int orderKey) Publishes an event for multiple event registrations.
void	publishEvent(String serviceName, EventRegistration registration, Object event, int orderKey) Publishes an event for a specific event registration.
void	publishEvent(String serviceName, String topic, Object event, int orderKey) Publishes an event for all event registrations belonging to the specified service name and topic.
void	publishRemoteEvent(String serviceName, Collection<EventRegistration> registrations, Object event, int orderKey) Publishes an event for multiple event registrations, excluding local ones.
EventRegistration	registerListener(String serviceName, String topic, EventFilter filter, Object listener) Registers a listener on all cluster nodes with an event filter.
EventRegistration	registerListener(String serviceName, String topic, Object listener) Registers a listener on all cluster nodes.
EventRegistration	registerLocalListener(String serviceName, String topic, EventFilter filter, Object listener) Registers a local only listener with an event filter.
EventRegistration	registerLocalListener(String serviceName, String topic, Object listener) Registers a local only listener.
void	shutdown()

Methods inherited from class java.lang.Object

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

Field Detail

EVENT_SYNC_FREQUENCY_PROP

public static final String EVENT_SYNC_FREQUENCY_PROP

See Also:

Constant Field Values

Constructor Detail

EventServiceImpl

public EventServiceImpl(NodeEngineImpl nodeEngine)

Method Detail

provideMetrics

public void provideMetrics(MetricsRegistry metricsRegistry)

Specified by:

provideMetrics in interface MetricsProvider

close

public void close(EventRegistration eventRegistration)

Description copied from interface: InternalEventService

Closes an EventRegistration. If the EventRegistration has any closeable resource, e.g. a listener, than this listener is closed.

Specified by:

close in interface InternalEventService

Parameters:

eventRegistration - the EventRegistration to close.

getEventThreadCount

public int getEventThreadCount()

Description copied from interface: EventService

Returns the event thread count.

Specified by:

getEventThreadCount in interface EventService

Returns:

the event thread count

See Also:

GroupProperty.EVENT_THREAD_COUNT

getEventQueueCapacity

public int getEventQueueCapacity()

Description copied from interface: EventService

Returns the queue capacity per event thread.

Specified by:

getEventQueueCapacity in interface EventService

Returns:

the queue capacity per event thread

See Also:

GroupProperty.EVENT_QUEUE_CAPACITY

getEventQueueSize

public int getEventQueueSize()

Description copied from interface: EventService

Returns the current total event queue size.

Specified by:

getEventQueueSize in interface EventService

Returns:

the current total event queue size

registerLocalListener

public EventRegistration registerLocalListener(String serviceName,
                                      String topic,
                                      Object listener)

Description copied from interface: EventService

Registers a local only listener.

Specified by:

registerLocalListener in interface EventService

Parameters:

serviceName - service name

topic - topic name

listener - listener instance

Returns:

event registration

registerLocalListener

public EventRegistration registerLocalListener(String serviceName,
                                      String topic,
                                      EventFilter filter,
                                      Object listener)

Description copied from interface: EventService

Registers a local only listener with an event filter.

Specified by:

registerLocalListener in interface EventService

Parameters:

serviceName - service name

topic - topic name

filter - event filter

listener - listener instance

Returns:

event registration

registerListener

public EventRegistration registerListener(String serviceName,
                                 String topic,
                                 Object listener)

Description copied from interface: EventService

Registers a listener on all cluster nodes.

Specified by:

registerListener in interface EventService

Parameters:

serviceName - service name

topic - topic name

listener - listener instance

Returns:

event registration

registerListener

public EventRegistration registerListener(String serviceName,
                                 String topic,
                                 EventFilter filter,
                                 Object listener)

Description copied from interface: EventService

Registers a listener on all cluster nodes with an event filter.

Specified by:

registerListener in interface EventService

Parameters:

serviceName - service name

topic - topic name

filter - event filter

listener - listener instance

Returns:

event registration

handleRegistration

public boolean handleRegistration(Registration reg)

deregisterListener

public boolean deregisterListener(String serviceName,
                         String topic,
                         Object id)

Description copied from interface: EventService

Deregisters a listener with the given registration id.

Specified by:

deregisterListener in interface EventService

Parameters:

serviceName - service name

topic - topic name

id - registration id

Returns:

true if listener is deregistered successfully, false otherwise

See Also:

EventRegistration.getId(), EventService.registerListener(String, String, Object), EventService.registerLocalListener(String, String, Object)

deregisterAllListeners

public void deregisterAllListeners(String serviceName,
                          String topic)

Description copied from interface: EventService

Deregisters all listeners belonging to the given service and topic.

Specified by:

deregisterAllListeners in interface EventService

Parameters:

serviceName - service name

topic - topic name

getRegistrationsAsArray

public EventRegistration[] getRegistrationsAsArray(String serviceName,
                                          String topic)

Description copied from interface: EventService

Returns all registrations belonging to the given service and topic as an array.

Specified by:

getRegistrationsAsArray in interface EventService

Parameters:

serviceName - service name

topic - topic name

Returns:

registrations array

getRegistrations

public Collection<EventRegistration> getRegistrations(String serviceName,
                                             String topic)

Description copied from interface: EventService

Returns all registrations belonging to the given service and topic.

Specified by:

getRegistrations in interface EventService

Parameters:

serviceName - service name

topic - topic name

Returns:

registrations

hasEventRegistration

public boolean hasEventRegistration(String serviceName,
                           String topic)

Description copied from interface: EventService

Returns true if a listener is registered with the specified service name and topic.

Specified by:

hasEventRegistration in interface EventService

Parameters:

serviceName - service name

topic - topic name

Returns:

true if a listener is registered with specified service name and topic, false otherwise.

publishEvent

public void publishEvent(String serviceName,
                String topic,
                Object event,
                int orderKey)

Description copied from interface: EventService

Publishes an event for all event registrations belonging to the specified service name and topic.

Specified by:

publishEvent in interface EventService

Parameters:

serviceName - service name

topic - topic name

event - event object

orderKey - order key

publishEvent

public void publishEvent(String serviceName,
                EventRegistration registration,
                Object event,
                int orderKey)

Description copied from interface: EventService

Publishes an event for a specific event registration.

Specified by:

publishEvent in interface EventService

Parameters:

serviceName - service name

registration - event registration

event - event object

orderKey - order key

publishEvent

public void publishEvent(String serviceName,
                Collection<EventRegistration> registrations,
                Object event,
                int orderKey)

Description copied from interface: EventService

Publishes an event for multiple event registrations.

Specified by:

publishEvent in interface EventService

Parameters:

serviceName - service name

registrations - multiple event registrations

event - event object

orderKey - order key

publishRemoteEvent

public void publishRemoteEvent(String serviceName,
                      Collection<EventRegistration> registrations,
                      Object event,
                      int orderKey)

Description copied from interface: EventService

Publishes an event for multiple event registrations, excluding local ones.

Specified by:

publishRemoteEvent in interface EventService

Parameters:

serviceName - service name

registrations - multiple event registrations

event - event object

orderKey - order key

getSegment

public EventServiceSegment getSegment(String service,
                             boolean forceCreate)

executeEventCallback

public void executeEventCallback(Runnable callback)

Description copied from interface: EventService

Executes an event callback on a random event thread.

If callback is an instance of StripedRunnable, then StripedRunnable.getKey() will be used as order key to pick event thread.

Specified by:

executeEventCallback in interface EventService

Parameters:

callback - the callback to execute on a random event thread

See Also:

StripedRunnable

handle

public void handle(Packet packet)

Description copied from interface: PacketHandler

Signals the PacketHandler that there is a packet to be handled.

Specified by:

handle in interface PacketHandler

Parameters:

packet - the response packet to handle

getPostJoinOperation

public PostJoinRegistrationOperation getPostJoinOperation()

shutdown

public void shutdown()

onMemberLeft

public void onMemberLeft(MemberImpl member)