org.terrier.matching

Class FatResultsMatching

java.lang.Object

org.terrier.matching.FatResultsMatching

All Implemented Interfaces:

Matching

public class FatResultsMatching
extends Object
implements Matching

Reads a FatResultSet serialized to disk by WritableOutputFormat. Properties:

• fat.results.matching.file - filename of the FatResultSet to read. Mandatory.
• fat.results.matching.max.results - maximum results to return for a given query.

Since:

4.0

Author:

Craig Macdonald

Constructor Summary

Constructors

Constructor and Description
FatResultsMatching(Index i)
FatResultsMatching(String _filename, int _maxResults)

Method Summary

Modifier and Type	Method and Description
String	getInfo() Return a human readable description of this Matching class
ResultSet	match(String queryNumber, MatchingQueryTerms queryTerms) Get a ResultSet for the given query terms.
void	setCollectionStatistics(CollectionStatistics cs) Update the collection statistics being used by this matching instance

Methods inherited from class java.lang.Object

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

Constructor Detail

FatResultsMatching

public FatResultsMatching(String _filename,
                          int _maxResults)
                   throws IOException

Throws:

IOException

FatResultsMatching

public FatResultsMatching(Index i)
                   throws IOException

Throws:

IOException

Method Detail

getInfo

public String getInfo()

Description copied from interface: Matching

Return a human readable description of this Matching class

Specified by:

getInfo in interface Matching

match

public ResultSet match(String queryNumber,
                       MatchingQueryTerms queryTerms)
                throws IOException

Description copied from interface: Matching

Get a ResultSet for the given query terms.

Specified by:

match in interface Matching

Parameters:

queryNumber - - some ID of the query

queryTerms - - query terms to match

Returns:

ResultSet - the matched results

Throws:

IOException - if a problem occurs during matching

setCollectionStatistics

public void setCollectionStatistics(CollectionStatistics cs)

Description copied from interface: Matching

Update the collection statistics being used by this matching instance

Specified by:

setCollectionStatistics in interface Matching

Parameters:

cs - CollectionStatistics to use during matching