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AnyServerEquivalence.java
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AnyServerEquivalence.java
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/*
* JBoss, Home of Professional Open Source
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.clustering.infinispan.equivalence;
import java.util.Arrays;
import org.infinispan.commons.equivalence.Equivalence;
/**
* AnyServerEquivalence. Works for both objects and byte[]
*
* @author Tristan Tarrant
* @since 5.3
*/
public class AnyServerEquivalence implements Equivalence<Object> {
private static boolean isByteArray(Object obj) {
return byte[].class == obj.getClass();
}
@Override
public int hashCode(Object obj) {
if (isByteArray(obj)) {
return 41 + Arrays.hashCode((byte[]) obj);
} else {
return obj.hashCode();
}
}
@Override
public boolean equals(Object obj, Object otherObj) {
if (obj == otherObj)
return true;
if (obj == null || otherObj == null)
return false;
if (isByteArray(obj) && isByteArray(otherObj))
return Arrays.equals((byte[]) obj, (byte[]) otherObj);
return obj.equals(otherObj);
}
@Override
public String toString(Object obj) {
if (isByteArray(obj))
return Arrays.toString((byte[]) obj);
else
return obj.toString();
}
@Override
public boolean isComparable(Object obj) {
return obj instanceof Comparable;
}
@Override
@SuppressWarnings("unchecked")
public int compare(Object obj, Object otherObj) {
return ((Comparable<Object>) obj).compareTo(otherObj);
}
}