pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / standard / builders / TermRangeQueryNodeBuilder.java

diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/TermRangeQueryNodeBuilder.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/TermRangeQueryNodeBuilder.java
new file mode 100644 (file)
index 0000000..11c67a6
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+++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/TermRangeQueryNodeBuilder.java
@@ -0,0 +1,60 @@
+package org.apache.lucene.queryParser.standard.builders;
+
+/**
+ * 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.
+ */
+
+import org.apache.lucene.queryParser.core.QueryNodeException;
+import org.apache.lucene.queryParser.core.nodes.FieldQueryNode;
+import org.apache.lucene.queryParser.core.nodes.QueryNode;
+import org.apache.lucene.queryParser.core.util.StringUtils;
+import org.apache.lucene.queryParser.standard.nodes.TermRangeQueryNode;
+import org.apache.lucene.queryParser.standard.processors.MultiTermRewriteMethodProcessor;
+import org.apache.lucene.search.MultiTermQuery;
+import org.apache.lucene.search.TermRangeQuery;
+
+/**
+ * Builds a {@link TermRangeQuery} object from a {@link TermRangeQueryNode}
+ * object.
+ */
+public class TermRangeQueryNodeBuilder implements StandardQueryBuilder {
+  
+  public TermRangeQueryNodeBuilder() {
+  // empty constructor
+  }
+  
+  public TermRangeQuery build(QueryNode queryNode) throws QueryNodeException {
+    TermRangeQueryNode rangeNode = (TermRangeQueryNode) queryNode;
+    FieldQueryNode upper = rangeNode.getUpperBound();
+    FieldQueryNode lower = rangeNode.getLowerBound();
+    
+    String field = StringUtils.toString(rangeNode.getField());
+    
+    TermRangeQuery rangeQuery = new TermRangeQuery(field, lower
+        .getTextAsString(), upper.getTextAsString(), rangeNode
+        .isLowerInclusive(), rangeNode.isUpperInclusive());
+    
+    MultiTermQuery.RewriteMethod method = (MultiTermQuery.RewriteMethod) queryNode
+        .getTag(MultiTermRewriteMethodProcessor.TAG_ID);
+    if (method != null) {
+      rangeQuery.setRewriteMethod(method);
+    }
+    
+    return rangeQuery;
+    
+  }
+  
+}