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Diffstat (limited to '3rdparty/clucene/src/CLucene/search/MultiTermQuery.h')
-rw-r--r-- | 3rdparty/clucene/src/CLucene/search/MultiTermQuery.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/search/MultiTermQuery.h b/3rdparty/clucene/src/CLucene/search/MultiTermQuery.h new file mode 100644 index 000000000..d37645359 --- /dev/null +++ b/3rdparty/clucene/src/CLucene/search/MultiTermQuery.h @@ -0,0 +1,62 @@ +/*------------------------------------------------------------------------------ +* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team +* +* Distributable under the terms of either the Apache License (Version 2.0) or +* the GNU Lesser General Public License, as specified in the COPYING file. +------------------------------------------------------------------------------*/ +#ifndef _lucene_search_MultiTermQuery_ +#define _lucene_search_MultiTermQuery_ + +#if defined(_LUCENE_PRAGMA_ONCE) +# pragma once +#endif + +#include "CLucene/util/StringBuffer.h" +#include "CLucene/index/IndexReader.h" +#include "CLucene/index/Term.h" +#include "CLucene/index/Terms.h" +#include "FilteredTermEnum.h" +#include "SearchHeader.h" +#include "BooleanQuery.h" +#include "TermQuery.h" + +CL_NS_DEF(search) + /** + * A {@link Query} that matches documents containing a subset of terms provided + * by a {@link FilteredTermEnum} enumeration. + * <P> + * <code>MultiTermQuery</code> is not designed to be used by itself. + * <BR> + * The reason being that it is not intialized with a {@link FilteredTermEnum} + * enumeration. A {@link FilteredTermEnum} enumeration needs to be provided. + * <P> + * For example, {@link WildcardQuery} and {@link FuzzyQuery} extend + * <code>MultiTermQuery</code> to provide {@link WildcardTermEnum} and + * {@link FuzzyTermEnum}, respectively. + */ + class MultiTermQuery: public Query { + private: + CL_NS(index)::Term* term; + protected: + MultiTermQuery(const MultiTermQuery& clone); + + /** Construct the enumeration to be used, expanding the pattern term. */ + virtual FilteredTermEnum* getEnum(CL_NS(index)::IndexReader* reader) = 0; + public: + /** Constructs a query for terms matching <code>term</code>. */ + MultiTermQuery(CL_NS(index)::Term* t); + + virtual ~MultiTermQuery(); + + /** Returns the pattern term. */ + CL_NS(index)::Term* getTerm(bool pointer=true) const; + + Query* combine(Query** queries); + + /** Prints a user-readable version of this query. */ + TCHAR* toString(const TCHAR* field) const; + + Query* rewrite(CL_NS(index)::IndexReader* reader); + }; +CL_NS_END +#endif |