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The core ELK Reasoner package

There is a newer version: 0.29.0

package org.semanticweb.elk.reasoner.indexing.model;

/*
 * #%L
 * ELK Reasoner
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2011 - 2015 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%
 */

import org.semanticweb.elk.owl.interfaces.ElkDifferentIndividualsAxiom;
import org.semanticweb.elk.owl.interfaces.ElkIndividual;

/**
 * Represents a transformation of an {@link ElkDifferentIndividualsAxiom} to an
 * {@link IndexedSubClassOfAxiom} representing that two selected
 * {@link ElkIndividual} members are different.
 *
 * @see ElkDifferentIndividualsAxiom#getIndividuals()
 * 
 * @author Yevgeny Kazakov
 */
public interface ElkDifferentIndividualsAxiomBinaryConversion
		extends
			IndexedSubClassOfAxiomInference {

	@Override
	ElkDifferentIndividualsAxiom getOriginalAxiom();
	
	/**
	 * @return the position of the first {@link ElkIndividual} in the member
	 *         list of the {@link ElkDifferentIndividualsAxiom} whose difference
	 *         with the second one is expressed by the resulting
	 *         {@link IndexedSubClassOfAxiom}.
	 * 
	 * @see ElkDifferentIndividualsAxiom#getIndividuals()
	 * @see #getSecondIndividualPosition()
	 */
	int getFirstIndividualPosition();

	/**
	 * @return the position of the second {@link ElkIndividual} in the member
	 *         list of the {@link ElkDifferentIndividualsAxiom} whose difference
	 *         with the first one is expressed by the resulting
	 *         {@link IndexedSubClassOfAxiom}.
	 * 
	 * @see ElkDifferentIndividualsAxiom#getIndividuals()
	 * @see #getFirstIndividualPosition()
	 */
	int getSecondIndividualPosition();	

	/**
	 * The visitor pattern for instances
	 * 
	 * @author Yevgeny Kazakov
	 *
	 * @param 
	 *            the type of the output
	 */
	interface Visitor {

		O visit(ElkDifferentIndividualsAxiomBinaryConversion inference);

	}

}