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.utils.io; 20 21 import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration; 22 import org.apache.giraph.utils.ExtendedDataInput; 23 24 import java.io.DataInput; 25 import java.io.DataOutput; 26 import java.io.IOException; 27 28 /** 29 * {@link DataInputOutput} which uses {@link BigDataInput} and {@link 30 * BigDataOutput} to support larger than allowed array size streams. 31 */ 32 public class BigDataInputOutput extends DataInputOutput { 33 /** DataOutput which we write to */ 34 private BigDataOutput dataOutput; 35 36 /** 37 * Constructor 38 * 39 * @param conf Configuration 40 */ 41 public BigDataInputOutput(ImmutableClassesGiraphConfiguration conf) { 42 dataOutput = new BigDataOutput(conf); 43 } 44 45 @Override 46 public DataOutput getDataOutput() { 47 return dataOutput; 48 } 49 50 @Override 51 public ExtendedDataInput createDataInput() { 52 return new BigDataInput(dataOutput); 53 } 54 55 @Override 56 public void write(DataOutput out) throws IOException { 57 dataOutput.write(out); 58 } 59 60 @Override 61 public void readFields(DataInput in) throws IOException { 62 dataOutput.readFields(in); 63 } 64 }