/**
* Copyright 2011 The Apache Software Foundation
*
* 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.hbase.filter;
import org.apache.hadoop.hbase.index.util.ByteArrayBuilder;
public class FloatComparator extends DecimalComparator {
public FloatComparator() {
}
public FloatComparator(byte[] value) {
super(value);
}
@Override
public int compareTo(byte[] actualValue, int offset, int length) {
ByteArrayBuilder val = new ByteArrayBuilder(length);
val.put(actualValue, offset, length);
byte[] array = val.array();
if (msb[0] == 0) {
value[0] ^= (1 << 7);
array[0] ^= (1 << 7);
} else {
value[0] ^= 0xff;
value[1] ^= 0xff;
value[2] ^= 0xff;
value[3] ^= 0xff;
array[0] ^= 0xff;
array[1] ^= 0xff;
array[2] ^= 0xff;
array[3] ^= 0xff;
}
int compareTo = super.compareTo(array, 0, length);
System.arraycopy(temp, 0, value, 0, value.length);
return compareTo;
}
}