xdbm-search/src/main/java/org/apache/directory/server/core/partition/impl/btree/LongComparator.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.apache.directory.server.core.partition.impl.btree;


import org.apache.directory.shared.ldap.schema.comparators.SerializableComparator;


/**
 * A serializable comparator for long values.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 * @version $Rev$, $Date$
 */
public class LongComparator extends SerializableComparator<Long>
{
    public static final LongComparator INSTANCE = new LongComparator();
    private static final long serialVersionUID = 3690478030414165816L;


    public LongComparator()
    {
        super( "1.3.6.1.4.1.18060.0.4.1.1.2" );
    }


    public int compare( Long l1, Long l2 )
    {
        return ( l1 < l2 ? -1 : ( l1.equals( l2 ) ? 0 : 1 ) );
    }
}