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package org.apache.giraph.io.internal; |
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import java.io.IOException; |
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import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration; |
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import org.apache.giraph.io.MappingReader; |
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import org.apache.giraph.job.HadoopUtils; |
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import org.apache.giraph.mapping.MappingEntry; |
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import org.apache.giraph.worker.WorkerGlobalCommUsage; |
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import org.apache.hadoop.io.Writable; |
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import org.apache.hadoop.io.WritableComparable; |
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import org.apache.hadoop.mapreduce.InputSplit; |
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import org.apache.hadoop.mapreduce.TaskAttemptContext; |
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public class WrappedMappingReader<I extends WritableComparable, |
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V extends Writable, E extends Writable, B extends Writable> |
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extends MappingReader<I, V, E, B> { |
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private final MappingReader<I, V, E, B> baseMappingReader; |
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public WrappedMappingReader(MappingReader<I, V, E, B> baseMappingReader, |
58 | 0 | ImmutableClassesGiraphConfiguration<I, V, E> conf) { |
59 | 0 | this.baseMappingReader = baseMappingReader; |
60 | 0 | super.setConf(conf); |
61 | 0 | baseMappingReader.setConf(conf); |
62 | 0 | } |
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@Override |
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public void setConf( |
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ImmutableClassesGiraphConfiguration<I, V, E> conf) { |
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68 | 0 | } |
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@Override |
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public void initialize(InputSplit inputSplit, |
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TaskAttemptContext context) throws IOException, InterruptedException { |
73 | 0 | baseMappingReader.initialize(inputSplit, |
74 | 0 | HadoopUtils.makeTaskAttemptContext(getConf(), context)); |
75 | 0 | } |
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@Override |
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public void setWorkerGlobalCommUsage(WorkerGlobalCommUsage usage) { |
79 | 0 | super.setWorkerGlobalCommUsage(usage); |
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81 | 0 | baseMappingReader.setWorkerGlobalCommUsage(usage); |
82 | 0 | } |
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@Override |
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public boolean nextEntry() throws IOException, InterruptedException { |
86 | 0 | return baseMappingReader.nextEntry(); |
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} |
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@Override |
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public MappingEntry<I, B> getCurrentEntry() |
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throws IOException, InterruptedException { |
92 | 0 | return baseMappingReader.getCurrentEntry(); |
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} |
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@Override |
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public void close() throws IOException { |
98 | 0 | baseMappingReader.close(); |
99 | 0 | } |
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@Override |
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public float getProgress() throws IOException, InterruptedException { |
103 | 0 | return baseMappingReader.getProgress(); |
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} |
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} |