org.apache.tapestry5.ioc.internal.util
Class OneShotLock

java.lang.Object
  org.apache.tapestry5.ioc.internal.util.LockSupport
      org.apache.tapestry5.ioc.internal.util.OneShotLock

public class OneShotLock
extends LockSupport

Logic for handling one shot semantics for classes; classes that include a method (or methods) that "locks down" the instance, to prevent it from being used again in the future.

Constructor Summary

OneShotLock()

Method Summary

void	check() Checks to see if the lock has been set (via lock()).
void	lock() Checks the lock, then sets it.

Methods inherited from class org.apache.tapestry5.ioc.internal.util.LockSupport

acquireReadLock, downgradeWriteLockToReadLock, releaseReadLock, releaseWriteLock, takeWriteLock, upgradeReadLockToWriteLock

Methods inherited from class java.lang.Object

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

Constructor Detail

OneShotLock

public OneShotLock()

Method Detail

check

public void check()

Checks to see if the lock has been set (via lock()).

Throws:

IllegalStateException - if the lock is set

lock

public void lock()

Checks the lock, then sets it.