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package org.semanticweb.elk.reasoner.saturation.inferences;

/*
 * #%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.reasoner.indexing.model.IndexedContextRoot;
import org.semanticweb.elk.reasoner.indexing.model.IndexedObjectIntersectionOf;
import org.semanticweb.elk.reasoner.saturation.conclusions.model.SubClassInclusionComposed;
import org.semanticweb.elk.reasoner.saturation.conclusions.model.SubClassInclusionDecomposed;

/**
 * A {@link ClassInference} producing a {@link SubClassInclusionDecomposed} from
 * a {@link SubClassInclusionDecomposed} with
 * {@link SubClassInclusionComposed#getSubsumer()} instance of
 * {@link IndexedObjectIntersectionOf}:

 * 
 *  *  [C] ⊑ -(D1 ⊓ D2)
 * ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
 *      [C] ⊑ -D2
 * 
 * 
 * The parameters can be obtained as follows:

 * 
 * C = {@link #getOrigin()} = {@link #getDestination()}

 * D1 ⊓ D2 = {@link #getConjunction()} (from which D2 can be obtained by
 * {@link IndexedObjectIntersectionOf#getSecondConjunct()})

 * 
 * @see IndexedObjectIntersectionOf#getSecondConjunct()
 * 
 * @author "Yevgeny Kazakov"
 * 
 */
public class SubClassInclusionDecomposedSecondConjunct
		extends
			SubClassInclusionDecomposedConjunct {

	public SubClassInclusionDecomposedSecondConjunct(IndexedContextRoot root,
			IndexedObjectIntersectionOf subsumer) {
		super(root, subsumer, subsumer.getSecondConjunct());
	}

	@Override
	public final  O accept(
			SubClassInclusionDecomposedInference.Visitor visitor) {
		return visitor.visit(this);
	}

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

		public O visit(SubClassInclusionDecomposedSecondConjunct inference);

	}

}