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The core ELK Reasoner package

There is a newer version: 0.29.0

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

/*-
 * #%L
 * ELK Reasoner Core
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2011 - 2021 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.RevertibleAction;
import org.semanticweb.elk.owl.interfaces.ElkObjectProperty;
import org.semanticweb.elk.reasoner.completeness.Feature;
import org.semanticweb.elk.reasoner.indexing.model.ModifiableOntologyIndex;
import org.semanticweb.elk.reasoner.indexing.model.OccurrenceIncrement;

/**
 * Represents {@code owl:bottomObjectProperty}.
 * 
 * @author Peter Skocovsky
 */
public class OwlBottomObjectPropertyImpl
		extends StructuralIndexedObjectPropertyEntryImpl {

	OwlBottomObjectPropertyImpl(final ElkObjectProperty entity) {
		super(entity);
	}

	@Override
	public RevertibleAction getIndexingAction(ModifiableOntologyIndex index,
			OccurrenceIncrement increment) {
		return super.getIndexingAction(index, increment)
				.then(RevertibleAction.create(() -> {
					index.occurrenceChanged(
							Feature.BOTTOM_OBJECT_PROPERTY_POSITIVE,
							increment.positiveIncrement);
					return true;
				}, () -> index.occurrenceChanged(
						Feature.BOTTOM_OBJECT_PROPERTY_POSITIVE,
						-increment.positiveIncrement)));
	}

}