/**
* 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.raid;
public class BadReedSolomonCode extends ReedSolomonCode {
@Override
public void decode(int[] data, int[] erasedLocation, int[] erasedValue) {
erasedValue[0] = -1; // Write something bad
}
@Override
public void decodeBulk(
byte[][] readBufs, byte[][] writeBufs, int[] erasedLocations) {
decodeBulk(readBufs, writeBufs, erasedLocations, 0, readBufs[0].length);
}
@Override
public void decodeBulk(byte[][] readBufs, byte[][] writeBufs,
int[] erasedLocations, int dataStart, int dataLen) {
assert(erasedLocations.length == writeBufs.length);
assert(erasedLocations.length <= 1);
byte[] output = writeBufs[0];
// Set the output to zeros.
for (int j = dataStart; j < dataStart + dataLen; j++) {
output[j] = -1;
}
}
}