1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 package org.apache.giraph.io.internal;
20
21 import java.io.IOException;
22
23 import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration;
24 import org.apache.giraph.edge.Edge;
25 import org.apache.giraph.io.EdgeReader;
26 import org.apache.giraph.job.HadoopUtils;
27 import org.apache.giraph.worker.WorkerGlobalCommUsage;
28 import org.apache.hadoop.io.Writable;
29 import org.apache.hadoop.io.WritableComparable;
30 import org.apache.hadoop.mapreduce.InputSplit;
31 import org.apache.hadoop.mapreduce.TaskAttemptContext;
32
33
34
35
36
37
38
39
40
41
42
43 public class WrappedEdgeReader<I extends WritableComparable,
44 E extends Writable> extends EdgeReader<I, E> {
45
46 private final EdgeReader<I, E> baseEdgeReader;
47
48
49
50
51
52
53
54 public WrappedEdgeReader(EdgeReader<I, E> baseEdgeReader,
55 ImmutableClassesGiraphConfiguration<I, Writable, E> conf) {
56 this.baseEdgeReader = baseEdgeReader;
57 super.setConf(conf);
58 baseEdgeReader.setConf(conf);
59 }
60
61 @Override
62 public void setConf(
63 ImmutableClassesGiraphConfiguration<I, Writable, E> conf) {
64
65 }
66
67 @Override
68 public void initialize(InputSplit inputSplit,
69 TaskAttemptContext context) throws IOException, InterruptedException {
70 baseEdgeReader.initialize(inputSplit,
71 HadoopUtils.makeTaskAttemptContext(getConf(), context));
72 }
73
74 @Override
75 public void setWorkerGlobalCommUsage(WorkerGlobalCommUsage usage) {
76 super.setWorkerGlobalCommUsage(usage);
77
78 baseEdgeReader.setWorkerGlobalCommUsage(usage);
79 }
80
81 @Override
82 public boolean nextEdge() throws IOException, InterruptedException {
83 return baseEdgeReader.nextEdge();
84 }
85
86 @Override
87 public I getCurrentSourceId() throws IOException, InterruptedException {
88 return baseEdgeReader.getCurrentSourceId();
89 }
90
91 @Override
92 public Edge<I, E> getCurrentEdge() throws IOException, InterruptedException {
93 return baseEdgeReader.getCurrentEdge();
94 }
95
96 @Override
97 public void close() throws IOException {
98 baseEdgeReader.close();
99 }
100
101 @Override
102 public float getProgress() throws IOException, InterruptedException {
103 return baseEdgeReader.getProgress();
104 }
105 }