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 }