org.zaval.util
Class ValidationObject

java.lang.Object
  |
  +--org.zaval.util.ValidationObject

All Implemented Interfaces:

Validationable

Direct Known Subclasses:

LwCanvas, LwView, LwViewMan, PosController

public abstract class ValidationObject

extends java.lang.Object

implements Validationable

This abstract class is implementation of the Validationable interface that can be inherited with other classes. It is necessary to implement recalc method of the class, the method will be executed when the the validation process has been performed with validate method and the object is not valid. It means that the implementation guarantees that recalc method will be executed only if it is realy necessary.

Field Summary

protected boolean

isValidFlag

Constructor Summary

ValidationObject()

Method Summary

void	invalidate() Invalidates this object.
boolean	isValid() Checks if this object is valid.
protected abstract void	recalc() Invoked with validate method in a case if the object is not valid.
void	validate() Validates this object.

Methods inherited from class java.lang.Object

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

Field Detail

isValidFlag

protected boolean isValidFlag

Constructor Detail

ValidationObject

public ValidationObject()

Method Detail

invalidate

public void invalidate()

Description copied from interface: Validationable

Invalidates this object.

Specified by:

invalidate in interface Validationable

validate

public void validate()

Description copied from interface: Validationable

Validates this object.

Specified by:

validate in interface Validationable

isValid

public boolean isValid()

Description copied from interface: Validationable

Checks if this object is valid.

Specified by:

isValid in interface Validationable

Following copied from interface: org.zaval.util.Validationable

Returns:

a valid state of the object. The object is valid if the method returns true.

recalc

protected abstract void recalc()

Invoked with validate method in a case if the object is not valid.