--- /dev/null
+package org.apache.lucene.xmlparser.builders;
+
+import org.apache.lucene.search.ConstantScoreQuery;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.xmlparser.DOMUtils;
+import org.apache.lucene.xmlparser.FilterBuilderFactory;
+import org.apache.lucene.xmlparser.ParserException;
+import org.apache.lucene.xmlparser.QueryBuilder;
+import org.w3c.dom.Element;
+/**
+ * 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.
+ */
+
+/**
+ *
+ */
+public class ConstantScoreQueryBuilder implements QueryBuilder
+{
+ private FilterBuilderFactory filterFactory;
+
+ public ConstantScoreQueryBuilder(FilterBuilderFactory filterFactory)
+ {
+ this.filterFactory=filterFactory;
+ }
+
+ public Query getQuery(Element e) throws ParserException
+ {
+ Element filterElem=DOMUtils.getFirstChildOrFail(e);
+ Query q=new ConstantScoreQuery(filterFactory.getFilter(filterElem));
+
+ q.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
+
+ return q;
+
+ }
+
+}