org.semanticweb.elk.reasoner.indexing.entries.IndexedObjectUnionOfEntry Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of elk-reasoner Show documentation

ELK consequence-based reasoning engine

There is a newer version: 0.4.3

package org.semanticweb.elk.reasoner.indexing.entries;
/*
 * #%L
 * ELK Reasoner
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2011 - 2013 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.hierarchy.IndexedObjectUnionOf;

/**
 * Implements an equality view for instances of {@link IndexedObjectUnionOf}
 * 
 * @author "Yevgeny Kazakov"
 * 
 * @param 
 *            The type of the elements in the set where this entry is used
 * 
 * @param 
 *            the type of the wrapped indexed object used as the key of the
 *            entry
 */
public class IndexedObjectUnionOfEntry
		extends IndexedClassExpressionEntry {

	IndexedObjectUnionOfEntry(K representative) {
		super(representative);
	}

	@Override
	public int computeHashCode() {
		return combinedHashCode(IndexedObjectIntersectionOfEntry.class,
				this.key.getDisjuncts().hashCode());
	}

	@Override
	public boolean equals(Object other) {
		if (this == other) {
			return true;
		}
		if (other instanceof IndexedObjectUnionOfEntry) {
			IndexedObjectUnionOfEntry otherView = (IndexedObjectUnionOfEntry) other;
			return this.key.getDisjuncts().equals(otherView.key.getDisjuncts());
		}
		return false;
	}

}