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Posted to commits@lucy.apache.org by ma...@apache.org on 2010/06/19 02:22:04 UTC

svn commit: r956162 - in /lucene/lucy/trunk/core/Lucy: Index/Similarity.bp Index/Similarity/LuceneSimilarity.bp Index/Similarity/LuceneSimilarity.c Search/PolyMatcher.bp Search/PolyMatcher.c

Author: marvin
Date: Sat Jun 19 00:22:04 2010
New Revision: 956162

URL: http://svn.apache.org/viewvc?rev=956162&view=rev
Log:
LUCY-112:
Add PolyMatcher.

Added:
    lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.bp   (with props)
    lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.c   (with props)
Modified:
    lucene/lucy/trunk/core/Lucy/Index/Similarity.bp
    lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.bp
    lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.c

Modified: lucene/lucy/trunk/core/Lucy/Index/Similarity.bp
URL: http://svn.apache.org/viewvc/lucene/lucy/trunk/core/Lucy/Index/Similarity.bp?rev=956162&r1=956161&r2=956162&view=diff
==============================================================================
--- lucene/lucy/trunk/core/Lucy/Index/Similarity.bp (original)
+++ lucene/lucy/trunk/core/Lucy/Index/Similarity.bp Sat Jun 19 00:22:04 2010
@@ -22,6 +22,11 @@ abstract class Lucy::Index::Similarity c
     public inert Similarity* 
     init(Similarity *self);
 
+    /** Calculate a score factor based on the number of terms which match. 
+     */
+    public abstract float
+    Coord(Similarity *self, uint32_t overlap, uint32_t max_overlap);
+
     public incremented Obj* 
     Dump(Similarity *self);
 

Modified: lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.bp
URL: http://svn.apache.org/viewvc/lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.bp?rev=956162&r1=956161&r2=956162&view=diff
==============================================================================
--- lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.bp (original)
+++ lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.bp Sat Jun 19 00:22:04 2010
@@ -11,6 +11,9 @@ class Lucy::Index::Similarity::LuceneSim
 
     public inert LuceneSimilarity*
     init(LuceneSimilarity *self);
+
+    public float
+    Coord(LuceneSimilarity *self, uint32_t overlap, uint32_t max_overlap);
 }
 
 /* Copyright 2010 The Apache Software Foundation

Modified: lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.c
URL: http://svn.apache.org/viewvc/lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.c?rev=956162&r1=956161&r2=956162&view=diff
==============================================================================
--- lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.c (original)
+++ lucene/lucy/trunk/core/Lucy/Index/Similarity/LuceneSimilarity.c Sat Jun 19 00:22:04 2010
@@ -18,6 +18,17 @@ LuceneSim_init(LuceneSimilarity *self)
     return self;
 }
 
+float
+LuceneSim_coord(LuceneSimilarity *self, uint32_t overlap, 
+                uint32_t max_overlap)
+{
+    UNUSED_VAR(self);
+    if (max_overlap == 0)
+        return 1;
+    else 
+        return (float)overlap / (float)max_overlap;
+}
+
 /* Copyright 2010 The Apache Software Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");

Added: lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.bp
URL: http://svn.apache.org/viewvc/lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.bp?rev=956162&view=auto
==============================================================================
--- lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.bp (added)
+++ lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.bp Sat Jun 19 00:22:04 2010
@@ -0,0 +1,38 @@
+parcel Lucy;
+
+/** Base class for composite Matchers.
+ */
+
+class Lucy::Search::PolyMatcher extends Lucy::Search::Matcher {
+
+    VArray       *children;
+    Similarity   *sim;
+    uint32_t      num_kids;
+    uint32_t      matching_kids;
+    float        *coord_factors;
+
+    inert incremented PolyMatcher* 
+    new(VArray *children, Similarity *similarity);
+
+    inert PolyMatcher* 
+    init(PolyMatcher *self, VArray *children, Similarity *similarity);
+
+    public void
+    Destroy(PolyMatcher *self);
+}
+
+/* Copyright 2010 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+

Propchange: lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.bp
------------------------------------------------------------------------------
    svn:eol-style = native

Added: lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.c
URL: http://svn.apache.org/viewvc/lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.c?rev=956162&view=auto
==============================================================================
--- lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.c (added)
+++ lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.c Sat Jun 19 00:22:04 2010
@@ -0,0 +1,55 @@
+#define C_LUCY_POLYMATCHER
+#include "Lucy/Util/ToolSet.h"
+
+#include "Lucy/Search/PolyMatcher.h"
+#include "Lucy/Index/Similarity.h"
+
+PolyMatcher*
+PolyMatcher_new(VArray *children, Similarity *sim) 
+{
+    PolyMatcher *self = (PolyMatcher*)VTable_Make_Obj(POLYMATCHER);
+    return PolyMatcher_init(self, children, sim);
+}
+
+PolyMatcher*
+PolyMatcher_init(PolyMatcher *self, VArray *children, Similarity *similarity) 
+{
+    uint32_t i;
+
+    Matcher_init((Matcher*)self);
+    self->num_kids = VA_Get_Size(children);
+    self->sim      = (Similarity*)INCREF(similarity);
+    self->children = (VArray*)INCREF(children);
+    self->coord_factors = (float*)MALLOCATE((self->num_kids + 1) * sizeof(float));
+    for (i = 0; i <= self->num_kids; i++) {
+        self->coord_factors[i] = similarity
+                               ? Sim_Coord(similarity, i, self->num_kids) 
+                               : 1.0f;
+    }
+    return self;
+}
+
+void
+PolyMatcher_destroy(PolyMatcher *self) 
+{
+    DECREF(self->children);
+    DECREF(self->sim);
+    FREEMEM(self->coord_factors);
+    SUPER_DESTROY(self, POLYMATCHER);
+}
+
+/* Copyright 2010 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+

Propchange: lucene/lucy/trunk/core/Lucy/Search/PolyMatcher.c
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    svn:eol-style = native