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org.apache.myfaces.trinidad.change
Class AttributeComponentChange

java.lang.Object
org.apache.myfaces.trinidad.change.ComponentChange
org.apache.myfaces.trinidad.change.AttributeComponentChange

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

RowKeySetAttributeChange

public class AttributeComponentChange

extends ComponentChange

Change specialization for change in attributes. While applying this Change, the specified attribute state is restored.

Version:

$Name: $ ($Revision: adfrt/faces/adf-faces-api/src/main/java/oracle/adf/view/faces/change/AttributeComponentChange.java#0 $) $Date: 10-nov-2005.19:09:56 $

See Also:

Serialized Form

Constructor Summary

AttributeComponentChange(java.lang.String attributeName, java.lang.Object attributeValue)
Constructs an AttributeChange with the given attributeName and attributeValue.

Method Summary

void	changeComponent(javax.faces.component.UIComponent uiComponent) Apply this change to the specied component
java.lang.String	getAttributeName() Returns the name of the attribute that represents this Change.
java.lang.Object	getAttributeValue() Returns the value of the attribute corresponding to this AttributeChange.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeComponentChange

public AttributeComponentChange(java.lang.String attributeName,
                                java.lang.Object attributeValue)

Constructs an AttributeChange with the given attributeName and attributeValue.

Parameters:

attributeName - The name of the attribute for which the value needs to be restored.

attributeValue - The value of the attribute that needs to be restored. This value should be of type java.io.Serializable in order to be persisted. If the value is of type ValueExpression or ValueBinding, the component's ValueBinding or ValueExpression for the attribute will be updated and the current attribute value, if any, removed so that the new ValueExpression or ValueBinding can take precedence.

Throws:

java.lang.IllegalArgumentException - if specified attributeName were to be null or the specified attributeValue isn't serializable

Method Detail

getAttributeName

public java.lang.String getAttributeName()

Returns the name of the attribute that represents this Change.

getAttributeValue

public java.lang.Object getAttributeValue()

Returns the value of the attribute corresponding to this AttributeChange.

changeComponent

public void changeComponent(javax.faces.component.UIComponent uiComponent)

Apply this change to the specied component

Specified by:

changeComponent in class ComponentChange

Parameters:

uiComponent - the UIComponent to apply the change to

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