/**
* 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.hadoop.record;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.WritableComparable;
import org.apache.hadoop.io.WritableComparator;
/**
* A raw record comparator base class
*
* @deprecated Replaced by <a href="http://hadoop.apache.org/avro/">Avro</a>.
*/
@Deprecated
@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract class RecordComparator extends WritableComparator {
/**
* Construct a raw {@link Record} comparison implementation. */
protected RecordComparator(Class<? extends WritableComparable> recordClass) {
super(recordClass);
}
// inheric JavaDoc
public abstract int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2);
/**
* Register an optimized comparator for a {@link Record} implementation.
*
* @param c record classs for which a raw comparator is provided
* @param comparator Raw comparator instance for class c
*/
public static synchronized void define(Class c, RecordComparator comparator) {
WritableComparator.define(c, comparator);
}
}