com.hazelcast.spi

Interface GracefulShutdownAwareService

All Known Subinterfaces:

InternalPartitionService

All Known Implementing Classes:

CRDTReplicationMigrationService, InternalPartitionServiceImpl, ProxySessionManagerService, RaftService

public interface GracefulShutdownAwareService

An interface that can be implemented by SPI services to participate in graceful shutdown process, such as moving their internal data to another node or releasing their allocated resources gracefully.

Method Summary

Modifier and Type	Method and Description
boolean	onShutdown(long timeout, TimeUnit unit) A hook method that's called during graceful shutdown to provide safety for data managed by this service.

Method Detail

onShutdown

boolean onShutdown(long timeout,
                   TimeUnit unit)

A hook method that's called during graceful shutdown to provide safety for data managed by this service. Shutdown process is blocked until this method returns or shutdown timeouts. If this method does not return in time, then it's considered as failed to gracefully shutdown.

Parameters:

timeout - timeout for graceful shutdown

unit - time unit

Returns:

true if graceful shutdown is successful, false otherwise