/*
* Copyright 2010 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.util.Bytes;
/**
* A comparator which compares against a specified byte array, but only compares
* up to the length of this byte array. For the rest it is similar to
* {@link BinaryComparator}.
*/
public class BinaryPrefixComparator extends WritableByteArrayComparable {
/** Nullary constructor for Writable, do not use */
public BinaryPrefixComparator() { }
/**
* Constructor
* @param value value
*/
public BinaryPrefixComparator(byte[] value) {
super(value);
}
@Override
public int compareTo(byte [] value) {
if (this.value.length <= value.length) {
return Bytes.compareTo(this.value, 0, this.value.length, value, 0,
this.value.length);
} else {
return Bytes.compareTo(this.value, value);
}
}
}