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package org.apache.lucene.queryParser.precedence.processors;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
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import org.apache.lucene.queryParser.precedence.PrecedenceQueryParser;
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import org.apache.lucene.queryParser.standard.processors.GroupQueryNodeProcessor;
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import org.apache.lucene.queryParser.standard.processors.StandardQueryNodeProcessorPipeline;
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* This processor pipeline extends {@link StandardQueryNodeProcessorPipeline} and enables
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* boolean precedence on it.
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* EXPERT: the precedence is enabled by removing {@link GroupQueryNodeProcessor} from the
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* {@link StandardQueryNodeProcessorPipeline} and appending {@link BooleanModifiersQueryNodeProcessor}
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* @see PrecedenceQueryParser
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* @see StandardQueryNodeProcessorPipeline
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public class PrecedenceQueryNodeProcessorPipeline extends StandardQueryNodeProcessorPipeline {
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* @see StandardQueryNodeProcessorPipeline#StandardQueryNodeProcessorPipeline(QueryConfigHandler)
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public PrecedenceQueryNodeProcessorPipeline(QueryConfigHandler queryConfig) {
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for (int i = 0 ; i < size() ; i++) {
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if (get(i).getClass().equals(GroupQueryNodeProcessor.class)) {
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add(new BooleanModifiersQueryNodeProcessor());