| /* |
| * 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. |
| */ |
| package org.apache.lucene.queryparser.flexible.standard.config; |
| |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.TimeZone; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.document.DateTools; |
| import org.apache.lucene.document.DateTools.Resolution; |
| import org.apache.lucene.queryparser.flexible.core.config.ConfigurationKey; |
| import org.apache.lucene.queryparser.flexible.core.config.FieldConfig; |
| import org.apache.lucene.queryparser.flexible.core.config.QueryConfigHandler; |
| import org.apache.lucene.queryparser.flexible.standard.StandardQueryParser; |
| import org.apache.lucene.queryparser.flexible.standard.processors.StandardQueryNodeProcessorPipeline; |
| import org.apache.lucene.search.MultiTermQuery; |
| import org.apache.lucene.search.MultiTermQuery.RewriteMethod; |
| |
| /** |
| * This query configuration handler is used for almost every processor defined |
| * in the {@link StandardQueryNodeProcessorPipeline} processor pipeline. It holds |
| * configuration methods that reproduce the configuration methods that could be set on the old |
| * lucene 2.4 QueryParser class. |
| * |
| * @see StandardQueryNodeProcessorPipeline |
| */ |
| public class StandardQueryConfigHandler extends QueryConfigHandler { |
| |
| /** |
| * Class holding keys for StandardQueryNodeProcessorPipeline options. |
| */ |
| final public static class ConfigurationKeys { |
| |
| /** |
| * Key used to set whether position increments is enabled |
| * |
| * @see StandardQueryParser#setEnablePositionIncrements(boolean) |
| * @see StandardQueryParser#getEnablePositionIncrements() |
| */ |
| final public static ConfigurationKey<Boolean> ENABLE_POSITION_INCREMENTS = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set whether leading wildcards are supported |
| * |
| * @see StandardQueryParser#setAllowLeadingWildcard(boolean) |
| * @see StandardQueryParser#getAllowLeadingWildcard() |
| */ |
| final public static ConfigurationKey<Boolean> ALLOW_LEADING_WILDCARD = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the {@link Analyzer} used for terms found in the query |
| * |
| * @see StandardQueryParser#setAnalyzer(Analyzer) |
| * @see StandardQueryParser#getAnalyzer() |
| */ |
| final public static ConfigurationKey<Analyzer> ANALYZER = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the default boolean operator |
| * |
| * @see StandardQueryParser#setDefaultOperator(org.apache.lucene.queryparser.flexible.standard.config.StandardQueryConfigHandler.Operator) |
| * @see StandardQueryParser#getDefaultOperator() |
| */ |
| final public static ConfigurationKey<Operator> DEFAULT_OPERATOR = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the default phrase slop |
| * |
| * @see StandardQueryParser#setPhraseSlop(int) |
| * @see StandardQueryParser#getPhraseSlop() |
| */ |
| final public static ConfigurationKey<Integer> PHRASE_SLOP = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the {@link Locale} used when parsing the query |
| * |
| * @see StandardQueryParser#setLocale(Locale) |
| * @see StandardQueryParser#getLocale() |
| */ |
| final public static ConfigurationKey<Locale> LOCALE = ConfigurationKey.newInstance(); |
| |
| final public static ConfigurationKey<TimeZone> TIMEZONE = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the {@link RewriteMethod} used when creating queries |
| * |
| * @see StandardQueryParser#setMultiTermRewriteMethod(org.apache.lucene.search.MultiTermQuery.RewriteMethod) |
| * @see StandardQueryParser#getMultiTermRewriteMethod() |
| */ |
| final public static ConfigurationKey<MultiTermQuery.RewriteMethod> MULTI_TERM_REWRITE_METHOD = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the fields a query should be expanded to when the field |
| * is <code>null</code> |
| * |
| * @see StandardQueryParser#setMultiFields(CharSequence[]) |
| * @see StandardQueryParser#getMultiFields() |
| */ |
| final public static ConfigurationKey<CharSequence[]> MULTI_FIELDS = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set a field to boost map that is used to set the boost for each field |
| * |
| * @see StandardQueryParser#setFieldsBoost(Map) |
| * @see StandardQueryParser#getFieldsBoost() |
| */ |
| final public static ConfigurationKey<Map<String,Float>> FIELD_BOOST_MAP = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set a field to {@link Resolution} map that is used |
| * to normalize each date field value. |
| * |
| * @see StandardQueryParser#setDateResolutionMap(Map) |
| * @see StandardQueryParser#getDateResolutionMap() |
| */ |
| final public static ConfigurationKey<Map<CharSequence, DateTools.Resolution>> FIELD_DATE_RESOLUTION_MAP = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the {@link FuzzyConfig} used to create fuzzy queries. |
| * |
| * @see StandardQueryParser#setFuzzyMinSim(float) |
| * @see StandardQueryParser#setFuzzyPrefixLength(int) |
| * @see StandardQueryParser#getFuzzyMinSim() |
| * @see StandardQueryParser#getFuzzyPrefixLength() |
| */ |
| final public static ConfigurationKey<FuzzyConfig> FUZZY_CONFIG = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set default {@link Resolution}. |
| * |
| * @see StandardQueryParser#setDateResolution(org.apache.lucene.document.DateTools.Resolution) |
| * @see StandardQueryParser#getDateResolution() |
| */ |
| final public static ConfigurationKey<DateTools.Resolution> DATE_RESOLUTION = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the boost value in {@link FieldConfig} objects. |
| * |
| * @see StandardQueryParser#setFieldsBoost(Map) |
| * @see StandardQueryParser#getFieldsBoost() |
| */ |
| final public static ConfigurationKey<Float> BOOST = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set a field to its {@link PointsConfig}. |
| * |
| * @see StandardQueryParser#setPointsConfigMap(Map) |
| * @see StandardQueryParser#getPointsConfigMap() |
| */ |
| final public static ConfigurationKey<PointsConfig> POINTS_CONFIG = ConfigurationKey.newInstance(); |
| |
| /** |
| * Key used to set the {@link PointsConfig} in {@link FieldConfig} for point fields. |
| * |
| * @see StandardQueryParser#setPointsConfigMap(Map) |
| * @see StandardQueryParser#getPointsConfigMap() |
| */ |
| final public static ConfigurationKey<Map<String,PointsConfig>> POINTS_CONFIG_MAP = ConfigurationKey.newInstance(); |
| |
| } |
| |
| /** |
| * Boolean Operator: AND or OR |
| */ |
| public static enum Operator { |
| AND, OR; |
| } |
| |
| public StandardQueryConfigHandler() { |
| // Add listener that will build the FieldConfig. |
| addFieldConfigListener(new FieldBoostMapFCListener(this)); |
| addFieldConfigListener(new FieldDateResolutionFCListener(this)); |
| addFieldConfigListener(new PointsConfigListener(this)); |
| |
| // Default Values |
| set(ConfigurationKeys.ALLOW_LEADING_WILDCARD, false); // default in 2.9 |
| set(ConfigurationKeys.ANALYZER, null); //default value 2.4 |
| set(ConfigurationKeys.DEFAULT_OPERATOR, Operator.OR); |
| set(ConfigurationKeys.PHRASE_SLOP, 0); //default value 2.4 |
| set(ConfigurationKeys.ENABLE_POSITION_INCREMENTS, false); //default value 2.4 |
| set(ConfigurationKeys.FIELD_BOOST_MAP, new LinkedHashMap<String, Float>()); |
| set(ConfigurationKeys.FUZZY_CONFIG, new FuzzyConfig()); |
| set(ConfigurationKeys.LOCALE, Locale.getDefault()); |
| set(ConfigurationKeys.MULTI_TERM_REWRITE_METHOD, MultiTermQuery.CONSTANT_SCORE_REWRITE); |
| set(ConfigurationKeys.FIELD_DATE_RESOLUTION_MAP, new HashMap<CharSequence, DateTools.Resolution>()); |
| |
| } |
| |
| } |