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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tm.te.core.interfaces.nodes;
import java.util.List;
/**
* A container (data) model node.
* <p>
* The container can have both container model node and model node
* children. Container model nodes can be used as synchronization
* object for the Eclipse jobs API.
*/
public interface IContainerModelNode extends IModelNode {
/**
* Property change notification: Specific child node has been added.
*/
public static final String NOTIFY_ADDED = "added"; //$NON-NLS-1$
/**
* Property change notification: Specific child node has been removed.
*/
public static final String NOTIFY_REMOVED = "removed"; //$NON-NLS-1$
/**
* Property change notification: Unspecified child nodes may have changed, added or removed.
*/
public static final String NOTIFY_CHANGED = "changed"; //$NON-NLS-1$
/**
* Adds the given child node to the list of children.
*
* @param child The child node to append. Must not be <code>null</code>!
*/
public boolean add(IModelNode child);
/**
* Removes the given node from the list of children.
*
* @param node The node to remove or <code>null</code>.
* @param recursive If <code>true</code> and the node is a container model node, the children
* of the container model node will be removed recursively.
*
* @return <code>true</code> if the list of children contained the given node, <code>false</code> otherwise.
*/
public boolean remove(IModelNode node, boolean recursive);
/**
* Remove all child nodes recursively.
*/
public boolean clear();
/**
* Remove all child nodes with a special type.
*
* @param nodeType The node type.
* @return <code>True</code> if child nodes got removed from the mode, <code>false</code> if not.
*/
public <T> boolean removeAll(Class<T> nodeType);
/**
* Returns the child nodes.
*/
public IModelNode[] getChildren();
/**
* Returns all child nodes with a special type.
*
* @param nodeType The node type.
* @return The list of nodes or an empty list.
*/
public <T> List<T> getChildren(Class<T> nodeType);
/**
* Returns true if node may have children.
*/
boolean hasChildren();
/**
* Returns the current count of child nodes.
*/
public int size();
/**
* Returns if or if not the given model node is a child of this container.
*
* @param node The model node.
* @return <code>true</code> if the given model node is a child of this container, <code>false</code> otherwise.
*/
public boolean contains(IModelNode node);
}
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