org.jboss.cache.lock
Interface LockStrategy

All Known Implementing Classes:

BelasLockStrategy (src) , LockStrategyNone (src) , LockStrategyReadCommitted (src) , LockStrategyReadUncommitted (src) , LockStrategyRepeatableRead (src) , LockStrategySerializable (src)

public interface LockStrategy

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

readLock

public Sync readLock()

Return a read lock object.

Returns:

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

writeLock

public Sync writeLock()

Return a write lock object.

Returns:

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

upgradeLockAttempt

public Sync upgradeLockAttempt(long msecs)
                        throws UpgradeException (src) 

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 (src)