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java.lang.Object org.apache.nutch.crawl.Generator.Selector
public static class Generator.Selector
Selects entries due for fetch.
Constructor Summary | |
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Generator.Selector()
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Method Summary | |
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void |
close()
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void |
configure(JobConf job)
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int |
getPartition(FloatWritable key,
Writable value,
int numReduceTasks)
Partition by host / domain or IP. |
void |
map(Text key,
CrawlDatum value,
OutputCollector<FloatWritable,Generator.SelectorEntry> output,
Reporter reporter)
Select & invert subset due for fetch. |
void |
reduce(FloatWritable key,
Iterator<Generator.SelectorEntry> values,
OutputCollector<FloatWritable,Generator.SelectorEntry> output,
Reporter reporter)
Collect until limit is reached. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Generator.Selector()
Method Detail |
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public void configure(JobConf job)
configure
in interface JobConfigurable
public void close()
close
in interface Closeable
public void map(Text key, CrawlDatum value, OutputCollector<FloatWritable,Generator.SelectorEntry> output, Reporter reporter) throws IOException
map
in interface Mapper<Text,CrawlDatum,FloatWritable,Generator.SelectorEntry>
IOException
public int getPartition(FloatWritable key, Writable value, int numReduceTasks)
getPartition
in interface Partitioner<FloatWritable,Writable>
public void reduce(FloatWritable key, Iterator<Generator.SelectorEntry> values, OutputCollector<FloatWritable,Generator.SelectorEntry> output, Reporter reporter) throws IOException
reduce
in interface Reducer<FloatWritable,Generator.SelectorEntry,FloatWritable,Generator.SelectorEntry>
IOException
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