org.apache.nutch.searcher
Class RawFieldQueryFilter

java.lang.Object
  org.apache.nutch.searcher.RawFieldQueryFilter

All Implemented Interfaces:

Configurable, Pluggable, QueryFilter

Direct Known Subclasses:

CCQueryFilter, LanguageQueryFilter, RelTagQueryFilter, SiteQueryFilter, TypeQueryFilter

public abstract class RawFieldQueryFilter
extends Object
implements QueryFilter

Translate raw query fields to search the same-named field, as indexed by an IndexingFilter.

Field Summary

Fields inherited from interface org.apache.nutch.searcher.QueryFilter

X_POINT_ID

Constructor Summary

protected	RawFieldQueryFilter(String field) Construct for the named field, lowercasing query values.
protected	RawFieldQueryFilter(String field, boolean lowerCase) Construct for the named field, potentially lowercasing query values.
protected	RawFieldQueryFilter(String field, boolean lowerCase, float boost) Construct for the named field, potentially lowercasing query values.
protected	RawFieldQueryFilter(String field, float boost) Construct for the named field, lowercasing query values.

Method Summary

BooleanQuery	filter(Query input, BooleanQuery output) Adds clauses or otherwise modifies the BooleanQuery that will be searched.
protected void	setBoost(float boost)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Constructor Detail

RawFieldQueryFilter

protected RawFieldQueryFilter(String field)

Construct for the named field, lowercasing query values.

RawFieldQueryFilter

protected RawFieldQueryFilter(String field,
                              float boost)

Construct for the named field, lowercasing query values.

RawFieldQueryFilter

protected RawFieldQueryFilter(String field,
                              boolean lowerCase)

Construct for the named field, potentially lowercasing query values.

RawFieldQueryFilter

protected RawFieldQueryFilter(String field,
                              boolean lowerCase,
                              float boost)

Construct for the named field, potentially lowercasing query values.

Method Detail

setBoost

protected void setBoost(float boost)

filter

public BooleanQuery filter(Query input,
                           BooleanQuery output)
                    throws QueryException

Description copied from interface: QueryFilter

Adds clauses or otherwise modifies the BooleanQuery that will be searched.

Specified by:

filter in interface QueryFilter

Throws:

QueryException