| /** |
| * 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.io.erasurecode.coder; |
| |
| import org.apache.hadoop.io.erasurecode.ECBlock; |
| |
| /** |
| * Abstract class for common facilities shared by {@link ErasureEncodingStep} |
| * and {@link ErasureDecodingStep}. |
| * |
| * It implements {@link ErasureEncodingStep}. |
| */ |
| public abstract class AbstractErasureCodingStep implements ErasureCodingStep { |
| |
| private ECBlock[] inputBlocks; |
| private ECBlock[] outputBlocks; |
| |
| /** |
| * Constructor given input blocks and output blocks. |
| * @param inputBlocks |
| * @param outputBlocks |
| */ |
| public AbstractErasureCodingStep(ECBlock[] inputBlocks, |
| ECBlock[] outputBlocks) { |
| this.inputBlocks = inputBlocks; |
| this.outputBlocks = outputBlocks; |
| } |
| |
| @Override |
| public ECBlock[] getInputBlocks() { |
| return inputBlocks; |
| } |
| |
| @Override |
| public ECBlock[] getOutputBlocks() { |
| return outputBlocks; |
| } |
| |
| @Override |
| public void finish() { |
| // NOOP by default |
| } |
| |
| } |