org.terrier.querying
Class SimpleDecorate

java.lang.Object
  org.terrier.querying.SimpleDecorate

All Implemented Interfaces:

PostFilter

public class SimpleDecorate
extends Object
implements PostFilter

A simple decorator, which applies all metadata in the MetaIndex to each retrieved, displayed document.

Field Summary

protected static Pattern

controlNonVisibleCharacters

Fields inherited from interface org.terrier.querying.PostFilter

FILTER_ADJUSTED, FILTER_OK, FILTER_REMOVE

Constructor Summary

SimpleDecorate()

Method Summary

byte	filter(Manager m, SearchRequest srq, ResultSet results, int rank, int docid) Adds all the metadata for the specified document occurring at the specified rank to the ResultSet Called for each result in the resultset, used to filter out unwanted results.
void	new_query(Manager m, SearchRequest srq, ResultSet rs) Called before the processing of a resultset using this PostFilter is applied.

Methods inherited from class java.lang.Object

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

Field Detail

controlNonVisibleCharacters

protected static final Pattern controlNonVisibleCharacters

Constructor Detail

SimpleDecorate

public SimpleDecorate()

Method Detail

filter

public final byte filter(Manager m,
                         SearchRequest srq,
                         ResultSet results,
                         int rank,
                         int docid)

Adds all the metadata for the specified document occurring at the specified rank to the ResultSet Called for each result in the resultset, used to filter out unwanted results.

Specified by:

filter in interface PostFilter

Parameters:

m - The manager controlling this query

srq - The search request being processed

rank - which array index (rank) in the resultset have we reached

docid - The docid of the currently being procesed result.

new_query

public void new_query(Manager m,
                      SearchRequest srq,
                      ResultSet rs)

Called before the processing of a resultset using this PostFilter is applied. Can be used to save information for the duration of the query.

Specified by:

new_query in interface PostFilter

Parameters:

m - The manager controlling this query

srq - The search request being processed

rs - the resultset that is being iterated through