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From mreut...@apache.org
Subject svn commit: r756445 - /jackrabbit/trunk/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitTermQuery.java
Date Fri, 20 Mar 2009 13:16:42 GMT
Author: mreutegg
Date: Fri Mar 20 13:16:41 2009
New Revision: 756445

URL: http://svn.apache.org/viewvc?rev=756445&view=rev
Log:
JCR-2025: Optimize concurrent queries

Added:
    jackrabbit/trunk/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitTermQuery.java
  (with props)

Added: jackrabbit/trunk/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitTermQuery.java
URL: http://svn.apache.org/viewvc/jackrabbit/trunk/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitTermQuery.java?rev=756445&view=auto
==============================================================================
--- jackrabbit/trunk/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitTermQuery.java
(added)
+++ jackrabbit/trunk/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitTermQuery.java
Fri Mar 20 13:16:41 2009
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.jackrabbit.core.query.lucene;
+
+import java.io.IOException;
+
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.Weight;
+import org.apache.lucene.search.Searcher;
+import org.apache.lucene.search.Scorer;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.Explanation;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.index.IndexReader;
+
+/**
+ * <code>JackrabbitTermQuery</code> implements a {@link TermQuery} where score
+ * values are retrieved on a per index segment basis using {@link MultiScorer}.
+ */
+public class JackrabbitTermQuery extends TermQuery {
+
+    private static final long serialVersionUID = 4244799812287335957L;
+
+    public JackrabbitTermQuery(Term t) {
+        super(t);
+    }
+
+    protected Weight createWeight(Searcher searcher) throws IOException {
+        return new JackrabbitTermWeight(searcher, super.createWeight(searcher));
+    }
+
+    /**
+     * The weight implementation.
+     */
+    protected class JackrabbitTermWeight extends AbstractWeight {
+
+        private static final long serialVersionUID = -2070964510010945854L;
+
+        /**
+         * The default lucene TermQuery weight.
+         */
+        private final Weight weight;
+
+        public JackrabbitTermWeight(Searcher searcher, Weight weight) {
+            super(searcher);
+            this.weight = weight;
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        protected Scorer createScorer(IndexReader reader) throws IOException {
+            return weight.scorer(reader);
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        public Query getQuery() {
+            return JackrabbitTermQuery.this;
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        public float getValue() {
+            return weight.getValue();
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        public float sumOfSquaredWeights() throws IOException {
+            return weight.sumOfSquaredWeights();
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        public void normalize(float norm) {
+            weight.normalize(norm);
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        public Explanation explain(IndexReader reader, int doc) throws
+                IOException {
+            return weight.explain(reader, doc);
+        }
+    }
+}

Propchange: jackrabbit/trunk/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitTermQuery.java
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    svn:eol-style = native



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