Package org.apache.tapestry5.internal.plastic

Class Lockable

java.lang.Object

org.apache.tapestry5.internal.plastic.Lockable

Direct Known Subclasses:

InstructionBuilderImpl, PlasticClassImpl, PlasticManager.PlasticManagerBuilder, SwitchBlockImpl, TryCatchBlockImpl

public class Lockable
extends java.lang.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

Constructors

Constructor	Description
Lockable()

Method Summary

Modifier and Type	Method	Description
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

Lockable

public Lockable()

Method Detail

check

protected void check()

Checks to see if the object has been locked.

Throws:

java.lang.IllegalStateException - if lock() has been invoked.

lock

protected void lock()

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