Revision: 16782
http://sourceforge.net/p/gate/code/16782
Author: valyt
Date: 2013-08-14 08:40:44 +0000 (Wed, 14 Aug 2013)
Log Message:
-----------
Added a const version of TermsQuery.
Modified Paths:
--------------
mimir/trunk/mimir-core/src/gate/mimir/search/query/ConstQuery.java
Added Paths:
-----------
mimir/trunk/mimir-core/src/gate/mimir/search/terms/ConstTermsQuery.java
Modified: mimir/trunk/mimir-core/src/gate/mimir/search/query/ConstQuery.java
===================================================================
--- mimir/trunk/mimir-core/src/gate/mimir/search/query/ConstQuery.java
2013-08-10 14:05:33 UTC (rev 16781)
+++ mimir/trunk/mimir-core/src/gate/mimir/search/query/ConstQuery.java
2013-08-14 08:40:44 UTC (rev 16782)
@@ -26,6 +26,8 @@
/**
* A query that returns a pre-defined (constant) list of document IDs. This
* query type does not support positions, so it returns no hits.
+ * One example usage for this type of query is as an operand to an AND
operator
+ * in order to restrict the results to a given set of documents.
*/
public class ConstQuery implements QueryNode {
Added: mimir/trunk/mimir-core/src/gate/mimir/search/terms/ConstTermsQuery.java
===================================================================
--- mimir/trunk/mimir-core/src/gate/mimir/search/terms/ConstTermsQuery.java
(rev 0)
+++ mimir/trunk/mimir-core/src/gate/mimir/search/terms/ConstTermsQuery.java
2013-08-14 08:40:44 UTC (rev 16782)
@@ -0,0 +1,56 @@
+/*
+ * 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
+ *
+ * $Id$
+ */
+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;
+ }
+}
Property changes on:
mimir/trunk/mimir-core/src/gate/mimir/search/terms/ConstTermsQuery.java
___________________________________________________________________
Added: svn:keywords
## -0,0 +1 ##
+Id
\ No newline at end of property
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
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