ReadWriteCache.Lock (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.cache
Class ReadWriteCache.Lock

java.lang.Object
  org.hibernate.cache.ReadWriteCache.Lock

All Implemented Interfaces:: CacheConcurrencyStrategy.SoftLock, ReadWriteCache.Lockable, Serializable

Enclosing class:: ReadWriteCache

public static final class ReadWriteCache.Lock
extends Object
implements Serializable, ReadWriteCache.Lockable, CacheConcurrencyStrategy.SoftLock

A soft lock which supports concurrent locking, timestamped with the time it was released

Author:: Gavin King
See Also:: Serialized Form

Constructor Summary

ReadWriteCache.Lock(long timeout, int id, Object version)


Method Summary

int getId()


long getUnlockTimestamp()


boolean isGettable(long txTimestamp)
          locks are not returned to the client!

boolean isLock()
          Yes, this is a lock

boolean isPuttable(long txTimestamp, Object newVersion, Comparator comparator)
          Can the timestamped transaction re-cache this locked item now?

ReadWriteCache.Lock lock(long timeout, int id)
          Increment the lock, setting the new lock timeout

String toString()


void unlock(long currentTimestamp)
          Decrement the lock, setting the unlock timestamp if now unlocked

boolean wasLockedConcurrently()
          Was this lock held concurrently by multiple transactions?

Methods inherited from class java.lang.Object

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

Constructor Detail