Class LinkRank
- java.lang.Object
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- org.apache.hadoop.conf.Configured
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- org.apache.nutch.scoring.webgraph.LinkRank
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- All Implemented Interfaces:
Configurable,Tool
public class LinkRank extends Configured implements Tool
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Constructor Summary
Constructors Constructor Description LinkRank()Default constructor.LinkRank(Configuration conf)Configurable constructor.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description voidanalyze(Path webGraphDb)Runs the complete link analysis job.static voidmain(String[] args)intrun(String[] args)Runs the LinkRank tool.-
Methods inherited from class org.apache.hadoop.conf.Configured
getConf, setConf
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.hadoop.conf.Configurable
getConf, setConf
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Constructor Detail
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LinkRank
public LinkRank()
Default constructor.
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LinkRank
public LinkRank(Configuration conf)
Configurable constructor.- Parameters:
conf- a populatedConfiguration
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Method Detail
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analyze
public void analyze(Path webGraphDb) throws IOException, ClassNotFoundException, InterruptedException
Runs the complete link analysis job. The complete job determins rank one score. Then runs through a given number of invert and analyze iterations, by default 10. And finally replaces the NodeDb in the WebGraph with the link rank output.- Parameters:
webGraphDb- The WebGraph to run link analysis on.- Throws:
IOException- If a fatal I/O runtime error occurs during link analysis.InterruptedException- if the Job is interrupted during executionClassNotFoundException- if classes required to run the Job cannot be located
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