ConstTermsQuery.java
- /*
- * TermQuery.java
- *
- * Copyright (c) 2007-2011, The University of Sheffield.
- *
- * This file is part of GATE MÃmir (see http://gate.ac.uk/family/mimir.html),
- * and is free software, licenced under the GNU Lesser General Public License,
- * Version 3, June 2007 (also included with this distribution as file
- * LICENCE-LGPL3.html).
- *
- * Valentin Tablan, 13 Aug 2013
- *
- * $Id: ConstTermsQuery.java 16782 2013-08-14 08:40:44Z valyt $
- */
- package gate.mimir.search.terms;
- import gate.mimir.search.QueryEngine;
- import java.io.IOException;
- /**
- * A terms query that returns a pre-defined (constant) terms result set.
- *
- * One example usage for this is inserting externally computed terms result
- * sets as operands into {@link CompoundTermsQuery}s.
- */
- public class ConstTermsQuery implements TermsQuery {
-
- private static final long serialVersionUID = -1993516325057279128L;
-
- /**
- * The {@link TermsResultSet} to be returned upon "execution".
- */
- protected TermsResultSet trs;
-
-
-
- /**
- * Constructs a new instance of {@link ConstTermsQuery}.
- * @param trs the terms result set to be returned by the constant terms query.
- */
- public ConstTermsQuery(TermsResultSet trs) {
- this.trs = trs;
- }
- @Override
- /**
- * Returns the terms result set provided at construction time. This method
- * performs no calculation.
- */
- public TermsResultSet execute(QueryEngine engine) throws IOException {
- return trs;
- }
- }