edu.umd.cloud9.collection.trec
Class TrecForwardIndexBuilder

java.lang.Object
  org.apache.hadoop.conf.Configured
      edu.umd.cloud9.collection.trec.TrecForwardIndexBuilder

All Implemented Interfaces:

Configurable, Tool

public class TrecForwardIndexBuilder
extends Configured
implements Tool

Tool for building a document forward index for TREC collections. Run without any arguments for help. The guava jar must be included using -libjar for this tool to run. Sample invocation

 hadoop jar cloud9.jar edu.umd.cloud9.collection.trec.TrecForwardIndexBuilder \
  -libjars guava.jar \
  -collection /shared/collections/trec/trec4-5_noCRFR.xml \
  -docnoMapping /shared/collections/trec/docno-mapping.dat \
  -index findex.dat
 

Author:

Jimmy Lin

Field Summary

static String	COLLECTION_OPTION
static String	INDEX_OPTION
static String	MAPPING_OPTION

Constructor Summary

TrecForwardIndexBuilder()

Method Summary

static void	main(String[] args) Dispatches command-line arguments to the tool via the ToolRunner.
int	run(String[] args) Runs this tool.

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Detail

COLLECTION_OPTION

public static final String COLLECTION_OPTION

See Also:

Constant Field Values

INDEX_OPTION

public static final String INDEX_OPTION

See Also:

Constant Field Values

MAPPING_OPTION

public static final String MAPPING_OPTION

See Also:

Constant Field Values

Constructor Detail

TrecForwardIndexBuilder

public TrecForwardIndexBuilder()

Method Detail

run

public int run(String[] args)
        throws Exception

Runs this tool.

Specified by:

run in interface Tool

Throws:

Exception

main

public static void main(String[] args)
                 throws Exception

Dispatches command-line arguments to the tool via the ToolRunner.

Throws:

Exception