info.ephyra.answerselection.filters
Class CacheResultsFilter

java.lang.Object
  info.ephyra.answerselection.filters.Filter
      info.ephyra.answerselection.filters.CacheResultsFilter

public class CacheResultsFilter
extends Filter

Caches the results along with the query string of the first result. If the query string is the same in a subsequent call, the cached results are returned, otherwise the cache is updated.

This class extends the class Filter.

Version:

2008-02-10

Author:

Guido Sautter, Nico Schlaefer

Field Summary

private java.lang.String	lastQuery
private Result[]	lastQueryResults

Constructor Summary

CacheResultsFilter()

Method Summary

Result[]	apply(Result[] results) Resets the result array to a previous state if the query string matches.
private void	cache(java.lang.String query, Result[] results)
private Result[]	cacheLookup(java.lang.String query)

Methods inherited from class info.ephyra.answerselection.filters.Filter

apply

Methods inherited from class java.lang.Object

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

Field Detail

lastQuery

private java.lang.String lastQuery

lastQueryResults

private Result[] lastQueryResults

Constructor Detail

CacheResultsFilter

public CacheResultsFilter()

Method Detail

apply

public Result[] apply(Result[] results)

Resets the result array to a previous state if the query string matches.

Overrides:

apply in class Filter

Parameters:

results - array of Result objects

Returns:

modified array of Result objects

cache

private void cache(java.lang.String query,
                   Result[] results)

cacheLookup

private Result[] cacheLookup(java.lang.String query)