1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.giraph.io.formats.multi; 20 21 22 import org.apache.hadoop.mapreduce.InputSplit; 23 24 import java.io.IOException; 25 26 /** 27 * Helper InputSplit class which holds the information about input format 28 * which owns this input split. 29 * 30 * Used only with input formats which wrap several input formats into one 31 * ({@link MultiVertexInputFormat} and {@link MultiEdgeInputFormat}) 32 */ 33 class InputSplitWithInputFormatIndex extends InputSplit { 34 /** Wrapped input split */ 35 private InputSplit split; 36 /** Index of input format which owns the input split */ 37 private int inputFormatIndex; 38 39 /** 40 * Constructor 41 * 42 * @param split Input split 43 * @param inputFormatIndex Index of input format which owns the input split 44 */ 45 InputSplitWithInputFormatIndex(InputSplit split, int inputFormatIndex) { 46 this.inputFormatIndex = inputFormatIndex; 47 this.split = split; 48 } 49 50 @Override 51 public long getLength() throws IOException, InterruptedException { 52 return split.getLength(); 53 } 54 55 @Override 56 public String[] getLocations() throws IOException, InterruptedException { 57 return split.getLocations(); 58 } 59 60 int getInputFormatIndex() { 61 return inputFormatIndex; 62 } 63 64 InputSplit getSplit() { 65 return split; 66 } 67 }