org.jboss.cache.lock (JBossCache API) - JBoss 4.0.1 sp1 Cache API Documentation 英文版文档

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Package org.jboss.cache.lock

Interface Summary
LockManager	Interface for acquising and releasing locks on nodes of the cache.
LockStrategy	Interface to specify lock strategy, e.g., for different isolation levels.

Class Summary

IdentityLock Lock object which grants and releases locks, and associates locks with owners.

IsolationLevel

LockManagerImpl

LockMap Provide lock ownership mapping.

LockStrategyFactory Factory to create LockStragtegy instance.

LockStrategyNone Transaction isolation level of None.

LockStrategyReadCommitted Transaction isolation level of READ_COMMITTED.

LockStrategyReadUncommitted Transaction isolation level of READ-UNCOMMITTED.

LockStrategyRepeatableRead Transaction isolation level of Repeatable_Read.

LockStrategySerializable Lock strategy of Serializable that prevents dirty read, non-repeatable read, and phantom read.

NonBlockingWriterLock NonBlockingWriterLock is a read/write lock (with upgrade) that has non-blocking write lock acquisition on existing read lock(s).

ReadWriteLockWithUpgrade

SimpleLock Simple lock that does not differentiate read and write lock.

Exception Summary

DeadlockException Used when a lock acquisition would cause a deadlock.

LockingException Used for all locking-related exceptions, e.g.

OwnerNotExistedException

TimeoutException Thrown when a timeout occurred.

UpgradeException Used when a read-lock cannot be upgraded to a write-lock