Lockable (Tapestry API - 5.7.0)

java.lang.Object
- 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

Constructors
Constructor Description

Lockable()

Method Summary

All Methods Instance Methods Concrete Methods
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:
    
    IllegalStateException - if lock() has been invoked.
  - lock
```
protected void lock()
```
    Invokes check(), then sets the locked flag. Subsequent calls to check() will fail.