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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.

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/*
 * 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.tree;

import org.databene.commons.TreeModel;

/**
 * Default implementation of a {@link TreeModel}. It uses DefaultTreeNodes.
 * Created: 08.05.2007 19:05:14
 * @param  the type of the wrapped objects
 * @author Volker Bergmann
 */
public class DefaultTreeModel implements TreeModel> {

    private DefaultTreeNode root;

    public DefaultTreeModel(DefaultTreeNode root) {
        this.root = root;
    }

    @Override
	public DefaultTreeNode getRoot() {
        return root;
    }

    @Override
	public DefaultTreeNode getParent(DefaultTreeNode child) {
        return child.getParent();
    }

    @Override
	public DefaultTreeNode getChild(DefaultTreeNode parent, int index) {
        return parent.getChild(index);
    }

    @Override
	public int getChildCount(DefaultTreeNode parent) {
        return parent.getChildCount();
    }

    @Override
	public boolean isLeaf(DefaultTreeNode node) {
        return node.isLeaf();
    }

    @Override
	public int getIndexOfChild(DefaultTreeNode parent, DefaultTreeNode child) {
        return parent.getIndexOfChild(child);
    }
    
}