Returns a clone of this query.

Expert: called when re-writing queries under MultiSearcher. Create a single query suitable for use by all subsearchers (in 1-1 correspondence with queries). This is an optimization of the OR of all queries. We handle the common optimization cases of equal queries and overlapping clauses of boolean OR queries (as generated by MultiTermQuery.rewrite()). Be careful overriding this method as queries[0] determines which method will be called and is not necessarily of the same type as the other queries.

Expert: adds all terms occuring in this query to the terms set. Only works if this query is in its {@link #rewrite rewritten} form.

Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.

Gets the boost for this clause. Documents matching this clause will (in addition to the normal weightings) have their score multiplied by

CopyC#

b

. The boost is 1.0 by default.

Returns the name of the field matched by this query.

Expert: Returns the Similarity implementation to be used for this query. Subclasses may override this method to specify their own Similarity implementation, perhaps one that delegates through that of the Searcher. By default the Searcher's Similarity implementation is returned.

Expert: Returns the matches for this query in an index. Used internally to search for spans.

Returns a collection of all terms matched by this query.

Gets the Type of the current instance.

Creates a shallow copy of the current Object.

Expert: called to re-write queries into primitive queries. For example, a PrefixQuery will be rewritten into a BooleanQuery that consists of TermQuerys.

Sets the boost for this query clause to

CopyC#

b

. Documents matching this clause will (in addition to the normal weightings) have their score multiplied by

CopyC#

b

.

Prints a query to a string.

Prints a query to a string, with

CopyC#

field

assumed to be the default field and omitted.

The representation used is one that is supposed to be readable by {@link Lucene.Net.QueryParsers.QueryParser QueryParser}. However, there are the following limitations:

• If the query was created by the parser, the printed representation may not be exactly what was parsed. For example, characters that need to be escaped will be represented without the required backslash.
• Some of the more complicated queries (e.g. span queries) don't have a representation that can be parsed by QueryParser.

Expert: Constructs and initializes a Weight for a top-level query.