org.semanticweb.elk.reasoner.taxonomy.model.InstanceNode Maven / Gradle / Ivy

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/*
 * #%L
 * ELK Reasoner
 * 
 * $Id$
 * $HeadURL$
 * %%
 * Copyright (C) 2011 - 2012 Department of Computer Science, University of Oxford
 * %%
 * 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.
 * #L%
 */
package org.semanticweb.elk.reasoner.taxonomy.model;

import java.util.Set;

import org.semanticweb.elk.owl.interfaces.ElkEntity;

/**
 * A node of instances in an InstanceTaxonomy. It can be associated with
 * multiple type nodes.
 * 
 * @author Frantisek Simancik
 * @author "Yevgeny Kazakov"
 * @author Peter Skocovsky
 * 
 * @param 
 *            The type of members of the related type nodes.
 * @param 
 *            The type of members of this node.
 */
public interface InstanceNode
		extends Node, HasTaxonomy {

	/**
	 * Get an unmodifiable set of {@link TypeNode}s of which the members of this
	 * {@link InstanceNode} are direct instances. A member is a direct instance
	 * of a {@link TypeNode} if it is an instance of the {@link TypeNode} and
	 * not an instance of any sub-node of a {@link TypeNode}.
	 * 
	 * @return nodes for direct types of this node's members
	 */
	public Set> getDirectTypeNodes();

	/**
	 * Get an unmodifiable set of {@link TypeNode}s of which the members of this
	 * {@link InstanceNode} are (possibly indirect) instances.
	 * 
	 * @return list of nodes for instances of this node's members
	 */
	public Set> getAllTypeNodes();

}