org.apache.nutch.searcher
Class FieldQueryFilter

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

All Implemented Interfaces:

Configurable, Pluggable, QueryFilter

Direct Known Subclasses:

URLQueryFilter

public abstract class FieldQueryFilter
extends Object
implements QueryFilter

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

Field Summary

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

X_POINT_ID

Constructor Summary

protected	FieldQueryFilter(String field) Construct for the named field.
protected	FieldQueryFilter(String field, float boost) Construct for the named field, boosting as specified.

Method Summary

BooleanQuery	filter(Query input, BooleanQuery output) Adds clauses or otherwise modifies the BooleanQuery that will be searched.
Configuration	getConf()
void	setConf(Configuration conf)

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldQueryFilter

protected FieldQueryFilter(String field)

Construct for the named field.

FieldQueryFilter

protected FieldQueryFilter(String field,
                           float boost)

Construct for the named field, boosting as specified.

Method Detail

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

setConf

public void setConf(Configuration conf)

Specified by:

setConf in interface Configurable

getConf

public Configuration getConf()

Specified by:

getConf in interface Configurable