org.eclipse.core.databinding.observable.set

Class SetDiff<E>

java.lang.Object

org.eclipse.core.databinding.observable.set.SetDiff<E>

Type Parameters:

E - the type of elements in this diff

All Implemented Interfaces:

IDiff

public abstract class SetDiff<E>
extends java.lang.Object
implements IDiff

Describes the difference between two sets

Since:

1.0

Constructor Summary

Constructors

Constructor and Description
SetDiff()

Method Summary

Modifier and Type	Method and Description
void	applyTo(java.util.Set<? super E> set) Applies the changes in this diff to the given set
abstract java.util.Set<E>	getAdditions()
abstract java.util.Set<E>	getRemovals()
boolean	isEmpty() Returns true if the diff has no added or removed elements.
java.util.Set<E>	simulateOn(java.util.Set<E> set) Returns a Set showing what set would look like if this diff were applied to it.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SetDiff

public SetDiff()

Method Detail

getAdditions

public abstract java.util.Set<E> getAdditions()

Returns:

the set of added elements

getRemovals

public abstract java.util.Set<E> getRemovals()

Returns:

the set of removed elements

isEmpty

public boolean isEmpty()

Returns true if the diff has no added or removed elements.

Returns:

true if the diff has no added or removed elements.

Since:

1.2

applyTo

public void applyTo(java.util.Set<? super E> set)

Applies the changes in this diff to the given set

Parameters:

set - the set to which the diff will be applied

Since:

1.2

simulateOn

public java.util.Set<E> simulateOn(java.util.Set<E> set)

Returns a Set showing what set would look like if this diff were applied to it. The passed-in list is presumed to contain all elements in getRemovals(), and none of the elements in getAdditions().

Note:the returned list is only guaranteed to be valid while the passed in set remains unchanged.

Parameters:

set - the set over which the diff will be simulated

Returns:

a Set showing what set would look like if it were passed to the applyTo(Set) method.

Since:

1.3

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object