--- /dev/null
+package org.apache.lucene.queryParser.precedence.processors;
+
+/**
+ * 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.config.QueryConfigHandler;
+import org.apache.lucene.queryParser.precedence.PrecedenceQueryParser;
+import org.apache.lucene.queryParser.standard.processors.GroupQueryNodeProcessor;
+import org.apache.lucene.queryParser.standard.processors.StandardQueryNodeProcessorPipeline;
+
+/**
+ * <p>
+ * This processor pipeline extends {@link StandardQueryNodeProcessorPipeline} and enables
+ * boolean precedence on it.
+ * </p>
+ * <p>
+ * EXPERT: the precedence is enabled by removing {@link GroupQueryNodeProcessor} from the
+ * {@link StandardQueryNodeProcessorPipeline} and appending {@link BooleanModifiersQueryNodeProcessor}
+ * to the pipeline.
+ * </p>
+ *
+ * @see PrecedenceQueryParser
+ * @see StandardQueryNodeProcessorPipeline
+ */
+public class PrecedenceQueryNodeProcessorPipeline extends StandardQueryNodeProcessorPipeline {
+
+ /**
+ * @see StandardQueryNodeProcessorPipeline#StandardQueryNodeProcessorPipeline(QueryConfigHandler)
+ */
+ public PrecedenceQueryNodeProcessorPipeline(QueryConfigHandler queryConfig) {
+ super(queryConfig);
+
+ for (int i = 0 ; i < size() ; i++) {
+
+ if (get(i).getClass().equals(GroupQueryNodeProcessor.class)) {
+ remove(i--);
+ }
+
+ }
+
+ add(new BooleanModifiersQueryNodeProcessor());
+
+ }
+
+}