edu.umd.cloud9.collection.clue

Class ClueWarcDocnoMapping

java.lang.Object

edu.umd.cloud9.collection.clue.ClueWarcDocnoMapping

All Implemented Interfaces:

DocnoMapping

public class ClueWarcDocnoMapping
extends Object
implements DocnoMapping

Object that maps between WARC-TREC-IDs (String identifiers) to docnos (sequentially-numbered ints). This object provides mappings for the Clue Web English collection; the docnos are numbered from part 1 all the way through part 10.

Note that this class needs the data file docno.mapping, loaded via the loadMapping(Path, FileSystem) method.

Author:

Jimmy Lin

Nested Class Summary

Nested classes/interfaces inherited from interface edu.umd.cloud9.collection.DocnoMapping

DocnoMapping.Builder, DocnoMapping.BuilderUtils, DocnoMapping.DefaultBuilderOptions

Constructor Summary

Constructors

Constructor and Description
ClueWarcDocnoMapping() Creates a ClueWarcDocnoMapping object

Method Summary

Methods

Modifier and Type	Method and Description
DocnoMapping.Builder	getBuilder() Returns the builder for this mapping.
String	getDocid(int docno) Returns the docid for a particular docno.
int	getDocno(String docid) Returns the docno for a particular docid.
void	loadMapping(org.apache.hadoop.fs.Path p, org.apache.hadoop.fs.FileSystem fs) Loads a mapping file.
static void	main(String[] args) Simple program the provides access to the docno/docid mappings.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClueWarcDocnoMapping

public ClueWarcDocnoMapping()

Creates a ClueWarcDocnoMapping object

Method Detail

getDocno

public int getDocno(String docid)

Description copied from interface: DocnoMapping

Returns the docno for a particular docid.

Specified by:

getDocno in interface DocnoMapping

Parameters:

docid - the docid

Returns:

the docno for the docid

getDocid

public String getDocid(int docno)

Description copied from interface: DocnoMapping

Returns the docid for a particular docno.

Specified by:

getDocid in interface DocnoMapping

Parameters:

docno - the docno

Returns:

the docid for the docno

loadMapping

public void loadMapping(org.apache.hadoop.fs.Path p,
               org.apache.hadoop.fs.FileSystem fs)
                 throws IOException

Description copied from interface: DocnoMapping

Loads a mapping file.

Specified by:

loadMapping in interface DocnoMapping

Parameters:

p - path to the mappings file

fs - reference to the FileSystem

Throws:

IOException

getBuilder

public DocnoMapping.Builder getBuilder()

Description copied from interface: DocnoMapping

Returns the builder for this mapping.

Specified by:

getBuilder in interface DocnoMapping

Returns:

builder for this mapping

main

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

Simple program the provides access to the docno/docid mappings.

Throws:

IOException