blob: 6a01842925d2510a198a609ed6b1a30f0d4148d7 [file] [log] [blame]
/*
* Copyright 2009-2010 by The Regents of the University of California
* 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 from
*
* 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 edu.uci.ics.hyracks.dataflow.common.data.normalizers;
import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
public class IntegerNormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
private static final long serialVersionUID = 1L;
@Override
public INormalizedKeyComputer createNormalizedKeyComputer() {
return new INormalizedKeyComputer() {
@Override
public int normalize(byte[] bytes, int start, int length) {
int value = IntegerSerializerDeserializer.getInt(bytes, start);
return value ^Integer.MIN_VALUE;
}
};
}
}