LockStrategy (JBoss Cache API) - JBoss 3.2.7 Cache API Documentation 英文版文档

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org.jboss.cache.lock
Interface LockStrategy

All Known Implementing Classes:: LockStrategyNone, LockStrategyReadCommitted, LockStrategyReadUncommitted, LockStrategyRepeatableRead, LockStrategySerializable

public interface LockStrategy

Interface to specify lock strategy, e.g., for different isolation levels.

Author:: Ben Wang

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.

Method Detail

readLock

public EDU.oswego.cs.dl.util.concurrent.Sync readLock()

Return a read lock object.

Returns:: Sync (@see EDU.oswego.cs.dl.util.concurrent.Sync)

writeLock

public EDU.oswego.cs.dl.util.concurrent.Sync writeLock()

Return a write lock object.

Returns:: Sync (@see EDU.oswego.cs.dl.util.concurrent.Sync)

upgradeLockAttempt

public EDU.oswego.cs.dl.util.concurrent.Sync upgradeLockAttempt(long msecs)
                                                         throws UpgradeException

Attempt to upgrade the current read lock to write lock with msecs timeout.

Parameters:: msecs - Timeout in milliseconds.
Returns:: Sync object. Will return null if timeout or failed.
Throws:: UpgradeException