org.apache.ignite.internal.processors.datastructures

Interface GridCacheSemaphoreEx

All Superinterfaces:

AutoCloseable, Closeable, GridCacheRemovable, IgniteSemaphore

All Known Implementing Classes:

GridCacheSemaphoreImpl

public interface GridCacheSemaphoreEx
extends IgniteSemaphore, GridCacheRemovable

Grid cache semaphore ('Ex' stands for external).

Method Summary

Methods

Modifier and Type	Method and Description
GridCacheInternalKey	key() Get current semaphore key.
void	onNodeRemoved(UUID nodeId) Callback to notify semaphore on topology changes.
void	onUpdate(GridCacheSemaphoreState val) Callback to notify semaphore on changes.
void	stop() Callback to notify local semaphore instance on node stop.

Methods inherited from interface org.apache.ignite.IgniteSemaphore

acquire, acquire, acquireUninterruptibly, acquireUninterruptibly, availablePermits, close, drainPermits, getQueueLength, hasQueuedThreads, isBroken, isFailoverSafe, name, release, release, removed, tryAcquire, tryAcquire, tryAcquire, tryAcquire

Methods inherited from interface org.apache.ignite.internal.processors.datastructures.GridCacheRemovable

needCheckNotRemoved, onRemoved

Method Detail

key

GridCacheInternalKey key()

Get current semaphore key.

Returns:

Semaphore key.

onUpdate

void onUpdate(GridCacheSemaphoreState val)

Callback to notify semaphore on changes.

Parameters:

val - State containing the number of available permissions.

onNodeRemoved

void onNodeRemoved(UUID nodeId)

Callback to notify semaphore on topology changes.

Parameters:

nodeId - Id of the node that left the grid.

stop

void stop()

Callback to notify local semaphore instance on node stop.