com.hazelcast.core

Interface LifecycleService

public interface LifecycleService

LifecycleService allows you to shutdown, terminate, and listen to LifecycleEvents on HazelcastInstance.

Method Summary

Modifier and Type	Method and Description
UUID	addLifecycleListener(LifecycleListener lifecycleListener) Add a listener object to listen for lifecycle events.
boolean	isRunning() Checks whether or not the instance is running.
boolean	removeLifecycleListener(UUID registrationId) Removes a lifecycle listener.
void	shutdown() Gracefully shuts down HazelcastInstance.
void	terminate() Terminate HazelcastInstance ungracefully.

Method Detail

isRunning

boolean isRunning()

Checks whether or not the instance is running.

Returns:

true, if instance is active and running, false otherwise

shutdown

void shutdown()

Gracefully shuts down HazelcastInstance. It's different from terminate() in that it waits for partition operations to complete.

terminate

void terminate()

Terminate HazelcastInstance ungracefully. Does not wait for partition operations, forces immediate shutdown. Use shutdown() for graceful shutdown.

addLifecycleListener

@Nonnull
UUID addLifecycleListener(@Nonnull
                                   LifecycleListener lifecycleListener)

Add a listener object to listen for lifecycle events.

Parameters:

lifecycleListener - the listener object

Returns:

the listener ID

removeLifecycleListener

boolean removeLifecycleListener(@Nonnull
                                UUID registrationId)

Removes a lifecycle listener.

Parameters:

registrationId - the listener ID returned by addLifecycleListener(LifecycleListener)

Returns:

true if the listener is removed successfully, false otherwise