Package ubic.gemma.persistence.cache

Class StaticCacheKeyLock

java.lang.Object

ubic.gemma.persistence.cache.StaticCacheKeyLock

All Implemented Interfaces:

CacheKeyLock

public class StaticCacheKeyLock
extends Object
implements CacheKeyLock

Implementation of the CacheKeyLock interface that uses a static week map to store locks by key.

Locks are guaranteed to be kept around as long as there is a CacheKeyLock.LockAcquisition referring to it, otherwise they might be freed by the GC.

Author:

poirigui

See Also:

WeakHashMap

Nested Class Summary

Nested classes/interfaces inherited from interface ubic.gemma.persistence.cache.CacheKeyLock

CacheKeyLock.LockAcquisition

Constructor Summary

Constructors

Constructor	Description
StaticCacheKeyLock(org.springframework.cache.Cache cache, Object key, boolean readOnly)

Method Summary

Modifier and Type	Method	Description
boolean	isReadOnly()	Indicate if this lock is read-only.
CacheKeyLock.LockAcquisition	lock()	Acquire a lock on the cache key.
CacheKeyLock.LockAcquisition	lockInterruptibly()	Acquire a lock interruptibly on a cache key.

Methods inherited from class java.lang.Object

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

Constructor Detail

StaticCacheKeyLock

public StaticCacheKeyLock(org.springframework.cache.Cache cache,
                          Object key,
                          boolean readOnly)

Method Detail

isReadOnly

public boolean isReadOnly()

Description copied from interface: CacheKeyLock

Indicate if this lock is read-only.

Specified by:

isReadOnly in interface CacheKeyLock

lock

public CacheKeyLock.LockAcquisition lock()

Description copied from interface: CacheKeyLock

Acquire a lock on the cache key.

Specified by:

lock in interface CacheKeyLock

lockInterruptibly

public CacheKeyLock.LockAcquisition lockInterruptibly()
                                               throws InterruptedException

Description copied from interface: CacheKeyLock

Acquire a lock interruptibly on a cache key.

Specified by:

lockInterruptibly in interface CacheKeyLock

Throws:

InterruptedException - if the current thread was interrupted prior to or while waiting on the lock