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Kuali Utilities

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/**
 * Copyright 2010-2014 The Kuali Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
 *
 * 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.kuali.common.util.tree;

import java.util.List;

import com.google.common.base.Optional;

/**
 * Type safe tree data structure
 */
public interface Node {

	Optional> getParent();

	T getElement();

	int getLevel();

	List> getChildren();

	List> getPath();

	List getElementPath();

	boolean isRoot();

	boolean isLeaf();

	boolean isChild(Node parent);

	boolean isParent(Node child);

	boolean isAncestor(Node parent);

}