org.eclipse.gef4.common.collections

Class CollectionUtils

java.lang.Object

org.eclipse.gef4.common.collections.CollectionUtils

public class CollectionUtils
extends java.lang.Object

The CollectionUtils contains a method to compute the old value of an ObservableList for a given ListChangeListener.Change event. For details, see getPreviousContents(javafx.collections.ListChangeListener.Change).

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Modifier and Type	Method and Description
static <E> java.util.List<E>	getPreviousContents(javafx.collections.ListChangeListener.Change<E> change) Computes the previous contents of the source ObservableList before the given ListChangeListener.Change was applied.

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

getPreviousContents

public static <E> java.util.List<E> getPreviousContents(javafx.collections.ListChangeListener.Change<E> change)

Computes the previous contents of the source ObservableList before the given ListChangeListener.Change was applied.

Type Parameters:

E - The element type of the ObservableList.

Parameters:

change - The ListChangeListener.Change for which to compute the previous contents.

Returns:

A newly created List that resembles the state of the source ObservableList before the change.