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/*******************************************************************************
* Copyright (c) 2006, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.navigator;
import java.util.Set;
/**
*
* Indicates how a shape modification should be transformed when applied to the
* tree. Clients use {@link PipelinedShapeModification} as the input and return
* type from intercept methods on {@link IPipelinedTreeContentProvider}.
*
* <p>
* Overriding extensions should use these to map attempts to directly modify the
* tree down to the overridden model. A shape modification can either be an
* <i>add</i> or <i>remove</i> shape modification, and the type is determined by
* the context of its use. If supplied to an <code>interceptRemove</code>
* method, then it is a remove shape modification, otherwise if supplied to an
* <code>interceptAdd</code> method, then it is an add shape modification.
* </p>
*
*
* @since 3.2
*
*/
public final class PipelinedShapeModification {
private Object parent;
private final Set children;
/**
* Create a shape modification. The given parent and children will be set as
* the initial values for the shape modification.
*
* @param aParent
* The parent for the add or remove call to the tree.
* @param theChildren
* The children that should be added or removed from the tree.
*/
public PipelinedShapeModification(Object aParent, Set theChildren) {
parent = aParent;
children = theChildren;
}
/**
*
* @return The parent to use for the shape modification.
*/
public final Object getParent() {
return parent;
}
/**
*
* @param aParent
* The parent to use for the shape modification.
*/
public final void setParent(Object aParent) {
parent = aParent;
}
/**
*
* @return The current set of children. Clients may add or remove elements
* directly to this set.
*/
public final Set getChildren() {
return children;
}
}
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