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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.databene.commons;
/**
* Models a typed tree logic.
* Created: 08.05.2007 18:30:55
* @param the type of the tree nodes
* @author Volker Bergmann
*/
public interface TreeModel {
E getRoot();
E getParent(E child);
E getChild(E parent, int index);
int getChildCount(E parent);
boolean isLeaf(E node);
int getIndexOfChild(E parent, E child);
}