com.atlassian.confluence.plugins.createcontent.concurrent

Class ClusterConcurrentLazyInsertExecutor

java.lang.Object

com.atlassian.confluence.plugins.createcontent.concurrent.ClusterConcurrentLazyInsertExecutor

All Implemented Interfaces:

LazyInsertExecutor

public class ClusterConcurrentLazyInsertExecutor
extends Object
implements LazyInsertExecutor

Constructor Summary

Constructors

Constructor and Description
ClusterConcurrentLazyInsertExecutor(com.atlassian.beehive.ClusterLockService lockService)

Method Summary

Modifier and Type	Method and Description
<T> T	lazyInsertAndRead(LazyInserter<T> inserter, String lockKey) Try read existing data or insert new data if read returns null, in a way that is concurrent-safe in cluster

Methods inherited from class java.lang.Object

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

Constructor Detail

ClusterConcurrentLazyInsertExecutor

public ClusterConcurrentLazyInsertExecutor(com.atlassian.beehive.ClusterLockService lockService)

Method Detail

lazyInsertAndRead

public <T> T lazyInsertAndRead(LazyInserter<T> inserter,
                               String lockKey)

Try read existing data or insert new data if read returns null, in a way that is concurrent-safe in cluster

Specified by:

lazyInsertAndRead in interface LazyInsertExecutor

Parameters:

lockKey - the key for acquiring lock. Different keys result in different locks (no contention).

Returns:

either value returned by inserter#read() or value returned by inserter#insert()