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org.apache.nutch.searcher
public interface: QueryFilter [javadoc | source]

All Implemented Interfaces:
    org.apache.hadoop.conf.Configurable, Pluggable

All Known Implementing Classes:
    RawFieldQueryFilter, LanguageQueryFilter, DateQueryFilter, URLQueryFilter, SiteQueryFilter, RelTagQueryFilter, CustomFieldQueryFilter, SubcollectionQueryFilter, CCQueryFilter, BasicQueryFilter, TypeQueryFilter, FieldQueryFilter

Extension point for query translation. Permits one to add metadata to a query. All plugins found which implement this extension point are run sequentially on the query.

Field Summary
static final  String	X_POINT_ID	The name of the extension point.

Method from org.apache.nutch.searcher.QueryFilter Summary:
filter

Method from org.apache.nutch.searcher.QueryFilter Detail:
public BooleanQuery filter(Query input, BooleanQuery translation) throws QueryException Adds clauses or otherwise modifies the BooleanQuery that will be searched.