com.atlassian.crowd.lock

Class ClusterLockWrapper

java.lang.Object

com.atlassian.crowd.lock.ClusterLockWrapper

public class ClusterLockWrapper
extends Object

Helper class supporting lambdas for ClusterLock

Constructor Summary

Constructors

Constructor and Description
ClusterLockWrapper(Supplier<com.atlassian.beehive.ClusterLock> lockSupplier)

Method Summary

Modifier and Type	Method and Description
void	run(Runnable runnable) Runs provided Runnable under the lock.
<T> T	run(Supplier<T> supplier) Runs provided Supplier under the lock.
boolean	tryRun(Runnable runnable) Tries to get the lock and runs provided Runnable under the lock.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClusterLockWrapper

public ClusterLockWrapper(Supplier<com.atlassian.beehive.ClusterLock> lockSupplier)

Parameters:

lockSupplier - supplier of the lock, under which all operations will be performed

Method Detail

run

public void run(Runnable runnable)

Runs provided Runnable under the lock. Blocks to get the lock.

Parameters:

runnable - Runnable to be run under the lock

run

public <T> T run(Supplier<T> supplier)

Runs provided Supplier under the lock. Blocks to get the lock.

Parameters:

supplier - Supplier to be run under the lock

Returns:

value returned by the supplier

tryRun

public boolean tryRun(Runnable runnable)

Tries to get the lock and runs provided Runnable under the lock. If the lock wasn't available immediately then does nothing and returns false.

Parameters:

runnable - Runnable to be run under the lock

Returns:

whether the lock was acquired and Runnable was run