oracle.jbo.server
Class JboMandatoryAttributesValidator

java.lang.Object
  |
  +--oracle.jbo.server.JboMandatoryAttributesValidator

All Implemented Interfaces:

java.util.EventListener, JbiValidator, VetoableChangeListener

public class JboMandatoryAttributesValidator

extends java.lang.Object

implements JbiValidator

Implements non-null validation for mandatory attributes. This validation rule is applied by the framework to an Entity Object that has the mandatory flag set for any of its an attributes. The method isMandatory() identifies manditory attributes.

This validator is invoked by an Entity Objects's validate() method to confirm that its mandatory attributes are non-null. If any attribute is null, AttrValException is thrown. The framework does not perform this validation when an attribute value is changed, but only when its Enitity Object is validated.

Since:

JDeveloper 3.0

See Also:

Entity, EntityDefImpl

Constructor Summary

JboMandatoryAttributesValidator()
Creates a default validator.

Method Summary

java.lang.String	getDescription() Gets the description of this validator.
void	setDescription(java.lang.String description) Sets the description of this validator.
java.lang.String	toString() Internal: Applications should not use this method.
boolean	validateValue(java.lang.Object value) Not implemented for this class.
void	vetoableChange(PropertyChangeEvent evObj) Validates the Entity Object's mandatory attributes.

Methods inherited from class java.lang.Object

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

Constructor Detail

JboMandatoryAttributesValidator

public JboMandatoryAttributesValidator()

Creates a default validator.

Method Detail

vetoableChange

public void vetoableChange(PropertyChangeEvent evObj)
                    throws JboException

Validates the Entity Object's mandatory attributes.

Specified by:

vetoableChange in interface VetoableChangeListener

Parameters:

evObj - an event indicating the attributes to be validatated.

Throws:

JboException - if any attributes are found to be null.

validateValue

public boolean validateValue(java.lang.Object value)

Not implemented for this class.

Specified by:

validateValue in interface JbiValidator

Parameters:

value - a value.

Returns:

true.

toString

public java.lang.String toString()

Internal: Applications should not use this method.

Overrides:

toString in class java.lang.Object

getDescription

public java.lang.String getDescription()

Gets the description of this validator.

Specified by:

getDescription in interface JbiValidator

Returns:

a documentation string.

setDescription

public void setDescription(java.lang.String description)

Sets the description of this validator.

Specified by:

setDescription in interface JbiValidator

Parameters:

description - a documentation string.