org.apache.ignite.internal.processors.cache.distributed.dht.preloader.latch

Interface Latch

public interface Latch

Simple distributed count down latch interface. Latch supports count down and await logic. Latch functionality is not relied on caches and has own state management ExchangeLatchManager.

Method Summary

Modifier and Type	Method and Description
void	await() Awaits current latch completion.
void	await(long timeout, TimeUnit timeUnit) Awaits current latch completion with specified timeout.
void	countDown() Decrements count on current latch.

Method Detail

countDown

void countDown()

Decrements count on current latch. Release all latch waiters on all nodes if count reaches zero. This is idempotent operation. Invoking this method twice or more on the same node doesn't have any effect.

await

void await()
    throws IgniteCheckedException

Awaits current latch completion.

Throws:

IgniteCheckedException - If await is failed.

await

void await(long timeout,
           TimeUnit timeUnit)
    throws IgniteCheckedException

Awaits current latch completion with specified timeout.

Parameters:

timeout - Timeout value.

timeUnit - Timeout time unit.

Throws:

IgniteCheckedException - If await is failed.