LockStrategyRepeatableRead (JBossCache API) - JBoss 4.0.1 sp1 Cache API Documentation 英文版文档

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org.jboss.cache.lock
Class LockStrategyRepeatableRead

java.lang.Object
  org.jboss.cache.lock.LockStrategyRepeatableRead

All Implemented Interfaces:: LockStrategy

public class LockStrategyRepeatableRead
extends Object
implements LockStrategy

Transaction isolation level of Repeatable_Read. It prevents dirty read and non-repeatable read.

Dirty read allows (t1) write and then (t2) read within two separate threads, all without transaction commit.

Non-repeatable allows read allows (t1) read, (t2) write, and then (t1) read, all without transaction commit.

Version:: $Revision: 1.5 $
Author:: Ben Wang

Constructor Summary

LockStrategyRepeatableRead()


Method Summary

EDU.oswego.cs.dl.util.concurrent.Sync readLock()
          Return a read lock object.

EDU.oswego.cs.dl.util.concurrent.Sync upgradeLockAttempt(long msecs)
          Attempt to upgrade the current read lock to write lock with msecs timeout.

EDU.oswego.cs.dl.util.concurrent.Sync writeLock()
          Return a write lock object.

Methods inherited from class java.lang.Object

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

Constructor Detail