owlreasoner.java

开发owl的API,提供了W3C规定标准接口,是目前比较少的API.

// The MIT License
//
// Copyright (c) 2004 Evren Sirin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.

/*
 * Created on Dec 29, 2003
 *
 */
package org.mindswap.owl;

import java.net.URI;
import java.util.List;

import org.mindswap.owls.process.ValueRewriter;

/**
 * A simple interface for an OWL reasoner. It just provides functions related to the classification
 * tree. Applications should extend this interface according to their requirements.
 * 
 * @author Evren Sirin
 *
 */
public interface OWLReasoner extends ValueRewriter {
	/**
	 * Load the ontology from the given URI.
	 * 
	 * @param uri
	 * @throws Exception
	 */
	public void load(URI uri) throws Exception ;

	/**
	 * Check if a class with the given URI exists in the loaded ontologies
	 * 
	 * @param uri
	 * @return
	 */
	public boolean isClass(URI uri);

	/**
	 * Check if one class is subclass of another
	 * 
	 * @param uri1
	 * @param uri2
	 * @return
	 */
	public boolean isSubclassOf(URI uri1, URI uri2);
	
	
	/**
	 * Check if two classes are disjoint. Returns true if there can possibly be no 
	 * individual that may belong ot both classes.
	 * 
	 * @param uri1
	 * @param uri2
	 * @return
	 */
	public boolean isDisjoint(URI uri1, URI uri2);
	
	
	/**
	 * Get the subclasses of the given class
	 * 
	 * @param uri
	 * @return
	 */
	public List getSubClasses(URI uri);

	/**
	 * Get the superclasses of the given class
	 * 
	 * @param uri
	 * @return
	 */
	public List getSuperClasses(URI uri);	
}