public static class LinkDumper.Inverter extends Object implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable,org.apache.hadoop.io.Text,org.apache.hadoop.io.ObjectWritable>, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.ObjectWritable,org.apache.hadoop.io.Text,LinkDumper.LinkNode>
Constructor and Description |
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LinkDumper.Inverter() |
Modifier and Type | Method and Description |
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void |
close() |
void |
configure(org.apache.hadoop.mapred.JobConf conf) |
void |
map(org.apache.hadoop.io.Text key,
org.apache.hadoop.io.Writable value,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.ObjectWritable> output,
org.apache.hadoop.mapred.Reporter reporter)
Wraps all values in ObjectWritables.
|
void |
reduce(org.apache.hadoop.io.Text key,
Iterator<org.apache.hadoop.io.ObjectWritable> values,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,LinkDumper.LinkNode> output,
org.apache.hadoop.mapred.Reporter reporter)
Inverts outlinks to inlinks while attaching node information to the
outlink.
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public void configure(org.apache.hadoop.mapred.JobConf conf)
configure
in interface org.apache.hadoop.mapred.JobConfigurable
public void map(org.apache.hadoop.io.Text key, org.apache.hadoop.io.Writable value, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.ObjectWritable> output, org.apache.hadoop.mapred.Reporter reporter) throws IOException
map
in interface org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable,org.apache.hadoop.io.Text,org.apache.hadoop.io.ObjectWritable>
IOException
public void reduce(org.apache.hadoop.io.Text key, Iterator<org.apache.hadoop.io.ObjectWritable> values, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,LinkDumper.LinkNode> output, org.apache.hadoop.mapred.Reporter reporter) throws IOException
reduce
in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.ObjectWritable,org.apache.hadoop.io.Text,LinkDumper.LinkNode>
IOException
public void close()
close
in interface Closeable
close
in interface AutoCloseable
Copyright © 2014 The Apache Software Foundation