Package com.vaadin.flow.internal.change

Class AbstractListChange<T extends Serializable>

java.lang.Object

com.vaadin.flow.internal.change.NodeChange

com.vaadin.flow.internal.change.NodeFeatureChange

com.vaadin.flow.internal.change.AbstractListChange<T>

Type Parameters:

T - the type of the items in the node list

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ListAddChange, ListClearChange, ListRemoveChange

public abstract class AbstractListChange<T extends Serializable>
extends NodeFeatureChange

Change describing an operation (add/remove) in a list node feature.

For internal use only. May be renamed or removed in a future release.

Since:

1.0

Author:

Vaadin Ltd

See Also:

• Serialized Form

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractListChange(NodeList<T> list, int index)	Creates a new list change.

Method Summary

Modifier and Type	Method	Description
abstract AbstractListChange<T>	copy(int index)	Gets a copy of the change with the same data except index.
int	getIndex()	Gets the index of the change.
protected NodeList<T>	getNodeList()	Gets a changed list.
void	setIndex(int index)	Sets the index of this change in the change list.

Methods inherited from class com.vaadin.flow.internal.change.NodeFeatureChange

getFeature, populateJson

Methods inherited from class com.vaadin.flow.internal.change.NodeChange

getNode, toJson

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractListChange

protected AbstractListChange(NodeList<T> list,
 int index)

Creates a new list change.

Parameters:

list - the changed list

index - the index of the add operations

Method Details

getIndex

public int getIndex()

Gets the index of the change.

Returns:

the index

getNodeList

protected NodeList<T> getNodeList()

Gets a changed list.

Returns:

the changed list

copy

public abstract AbstractListChange<T> copy(int index)

Gets a copy of the change with the same data except index.

Parameters:

index - the new index of the change

Returns:

a copy of the change based on new index

setIndex

public void setIndex(int index)

Sets the index of this change in the change list.

Note: This should be used only when list of changes is being re-indexed after adding a new change.

Parameters:

index - Integer value.