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package org.apache.lucene.queryParser.spans;
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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.ConfigurationKey;
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import org.apache.lucene.queryParser.core.config.FieldConfig;
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import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
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* This query config handler only adds the {@link UniqueFieldAttribute} to it.<br/>
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* It does not return any configuration for a field in specific.
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public class SpansQueryConfigHandler extends QueryConfigHandler {
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final public static ConfigurationKey<String> UNIQUE_FIELD = ConfigurationKey.newInstance();
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public SpansQueryConfigHandler() {
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public FieldConfig getFieldConfig(String fieldName) {
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// there is no field configuration, always return null