edu.umd.cloud9.collection.trec
Class DemoCountTrecDocuments

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

All Implemented Interfaces:

Configurable, Tool

public class DemoCountTrecDocuments
extends Configured
implements Tool

Simple demo program that counts all the documents in the TREC collection. Run without any arguments for help. The guava jar must be included using -libjar.

Author:

Jimmy Lin

Field Summary

static String	COLLECTION_OPTION
static String	MAPPING_OPTION
static String	OUTPUT_OPTION

Constructor Summary

DemoCountTrecDocuments()
Creates an instance of this tool.

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

OUTPUT_OPTION

public static final String OUTPUT_OPTION

See Also:

Constant Field Values

MAPPING_OPTION

public static final String MAPPING_OPTION

See Also:

Constant Field Values

Constructor Detail

DemoCountTrecDocuments

public DemoCountTrecDocuments()

Creates an instance of this tool.

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