Class Lockable

  extended by org.apache.tapestry5.internal.plastic.Lockable
Direct Known Subclasses:
InstructionBuilderImpl, PlasticClassImpl, PlasticManager.PlasticManagerBuilder, SwitchBlockImpl, TryCatchBlockImpl

public class Lockable
extends Object

An object that can be locked, at which point most of its functionality is disabled. This conforms to general builder approach used throughout Plastic where objects have an active construction phase, but are then locked (to encourage user code to discard them after they are no longer of any use).

Constructor Summary
Method Summary
protected  void check()
          Checks to see if the object has been locked.
protected  void lock()
          Invokes check(), then sets the locked flag.
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail


public Lockable()
Method Detail


protected void check()
Checks to see if the object has been locked.

IllegalStateException - if lock() has been invoked.


protected void lock()
Invokes check(), then sets the locked flag. Subsequent calls to check() will fail.

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