org.apache.nutch.searcher
Interface QueryFilter

All Known Implementing Classes:

DateQueryFilter, FieldQueryFilter, RawFieldQueryFilter

public interface QueryFilter

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 String

X_POINT_ID The name of the extension point.

Method Summary

BooleanQuery

filter(Query input, BooleanQuery translation) Adds clauses or otherwise modifies the BooleanQuery that will be searched.

Field Detail

X_POINT_ID

public static final String X_POINT_ID

The name of the extension point.

Method Detail

filter

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

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

Throws:

QueryException