com.sencha.gxt.data.shared

Class Store.PropertyChange<M,V>

java.lang.Object

com.sencha.gxt.data.shared.Store.PropertyChange<M,V>

Type Parameters:

M - the model type

V - the value type (for the changed property in the model)

All Implemented Interfaces:

Store.Change<M,V>

Enclosing class:

Store<M>

public static class Store.PropertyChange<M,V>
extends Object
implements Store.Change<M,V>

ValueProvider-based change impl - takes a ValueProvider and the new value to be changed. The ValueProvider instance should be reused, as it will be the objecttag.

Constructor Summary

Constructors

Constructor and Description
PropertyChange(ValueProvider<? super M,V> propertyAccess, V value) Creates a new property change.

Method Summary

Modifier and Type	Method and Description
Object	getChangeTag() Gets a tag for this change, so that two changes, both making modifications to the same field, can replace each other, as they must be mutually exclusive
V	getValue() Gets the value that will be set on the model in modify(M).
boolean	isCurrentValue(M model) Checks to see if the given model already has the change
void	modify(M model) Make the change recorded here to the given model

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyChange

public PropertyChange(ValueProvider<? super M,V> propertyAccess,
                      V value)

Creates a new property change.

Parameters:

propertyAccess - the changed property

value - the changed value

Method Detail

getChangeTag

public final Object getChangeTag()

Description copied from interface: Store.Change

Gets a tag for this change, so that two changes, both making modifications to the same field, can replace each other, as they must be mutually exclusive

Specified by:

getChangeTag in interface Store.Change<M,V>

Returns:

the tag

getValue

public V getValue()

Description copied from interface: Store.Change

Gets the value that will be set on the model in modify(M).

Specified by:

getValue in interface Store.Change<M,V>

Returns:

the value

isCurrentValue

public boolean isCurrentValue(M model)

Description copied from interface: Store.Change

Checks to see if the given model already has the change

Specified by:

isCurrentValue in interface Store.Change<M,V>

Parameters:

model - the model

Returns:

true if model already has the change

modify

public final void modify(M model)

Description copied from interface: Store.Change

Make the change recorded here to the given model

Specified by:

modify in interface Store.Change<M,V>

Parameters:

model - the model