+++ /dev/null
-package org.apache.lucene.queryParser.standard;
-
-/**
- * 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 java.text.Collator;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-
-import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.document.DateTools;
-import org.apache.lucene.document.DateTools.Resolution;
-import org.apache.lucene.queryParser.ParseException;
-import org.apache.lucene.queryParser.QueryParser;
-import org.apache.lucene.queryParser.core.QueryNodeException;
-import org.apache.lucene.queryParser.core.config.FieldConfig;
-import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
-import org.apache.lucene.queryParser.core.nodes.QueryNode;
-import org.apache.lucene.queryParser.core.parser.SyntaxParser;
-import org.apache.lucene.queryParser.core.processors.QueryNodeProcessor;
-import org.apache.lucene.queryParser.standard.builders.StandardQueryBuilder;
-import org.apache.lucene.queryParser.standard.builders.StandardQueryTreeBuilder;
-import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler;
-import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
-import org.apache.lucene.queryParser.standard.parser.StandardSyntaxParser;
-import org.apache.lucene.queryParser.standard.processors.StandardQueryNodeProcessorPipeline;
-import org.apache.lucene.search.BooleanClause;
-import org.apache.lucene.search.FuzzyQuery;
-import org.apache.lucene.search.MultiTermQuery;
-import org.apache.lucene.search.Query;
-
-/**
- * This class performs the query parsing using the new query parser
- * implementation, but keeps the old {@link QueryParser} API. <br/>
- * <br/>
- * This class should be used when the new query parser features are and the old
- * {@link QueryParser} API are needed at the same time. <br/>
- *
- * @deprecated this class will be removed soon, it's a temporary class to be
- * used along the transition from the old query parser to the new
- * one
- */
-@Deprecated
-public class QueryParserWrapper {
-
- /**
- * The default operator for parsing queries. Use
- * {@link QueryParserWrapper#setDefaultOperator} to change it.
- */
- static public enum Operator { OR, AND }
-
- // the nested class:
- /** Alternative form of QueryParser.Operator.AND */
- public static final Operator AND_OPERATOR = Operator.AND;
-
- /** Alternative form of QueryParser.Operator.OR */
- public static final Operator OR_OPERATOR = Operator.OR;
-
- /**
- * Returns a String where those characters that QueryParser expects to be
- * escaped are escaped by a preceding <code>\</code>.
- */
- public static String escape(String s) {
- StringBuilder sb = new StringBuilder();
- for (int i = 0; i < s.length(); i++) {
- char c = s.charAt(i);
- // These characters are part of the query syntax and must be escaped
- if (c == '\\' || c == '+' || c == '-' || c == '!' || c == '(' || c == ')'
- || c == ':' || c == '^' || c == '[' || c == ']' || c == '\"'
- || c == '{' || c == '}' || c == '~' || c == '*' || c == '?'
- || c == '|' || c == '&') {
- sb.append('\\');
- }
- sb.append(c);
- }
- return sb.toString();
- }
-
- private SyntaxParser syntaxParser = new StandardSyntaxParser();
-
- private StandardQueryConfigHandler config;
-
- private StandardQueryParser qpHelper;
-
- private QueryNodeProcessor processorPipeline;
-
- private StandardQueryBuilder builder = new StandardQueryTreeBuilder();
-
- private String defaultField;
-
- public QueryParserWrapper(String defaultField, Analyzer analyzer) {
- this.defaultField = defaultField;
-
- this.qpHelper = new StandardQueryParser();
-
- this.config = (StandardQueryConfigHandler) qpHelper.getQueryConfigHandler();
-
- this.qpHelper.setAnalyzer(analyzer);
-
- this.processorPipeline = new StandardQueryNodeProcessorPipeline(this.config);
-
- }
-
- StandardQueryParser getQueryParserHelper() {
- return qpHelper;
- }
-
- public String getField() {
- return this.defaultField;
- }
-
- public Analyzer getAnalyzer() {
-
- if (this.config != null) {
- return this.config.get(ConfigurationKeys.ANALYZER);
- }
-
- return null;
-
- }
-
- /**
- * Sets the {@link StandardQueryBuilder} used to generate a {@link Query}
- * object from the parsed and processed query node tree.
- *
- * @param builder the builder
- */
- public void setQueryBuilder(StandardQueryBuilder builder) {
- this.builder = builder;
- }
-
- /**
- * Sets the {@link QueryNodeProcessor} used to process the query node tree
- * generated by the
- * {@link org.apache.lucene.queryParser.standard.parser.StandardSyntaxParser}.
- *
- * @param processor the processor
- */
- public void setQueryProcessor(QueryNodeProcessor processor) {
- this.processorPipeline = processor;
- this.processorPipeline.setQueryConfigHandler(this.config);
-
- }
-
- /**
- * Sets the {@link QueryConfigHandler} used by the {@link QueryNodeProcessor}
- * set to this object.
- *
- * @param queryConfig the query config handler
- */
- public void setQueryConfig(StandardQueryConfigHandler queryConfig) {
- this.config = queryConfig;
-
- if (this.processorPipeline != null) {
- this.processorPipeline.setQueryConfigHandler(this.config);
- }
-
- }
-
- /**
- * Returns the query config handler used by this query parser
- *
- * @return the query config handler
- */
- public QueryConfigHandler getQueryConfigHandler() {
- return this.config;
- }
-
- /**
- * Returns {@link QueryNodeProcessor} used to process the query node tree
- * generated by the
- * {@link org.apache.lucene.queryParser.standard.parser.StandardSyntaxParser}.
- *
- * @return the query processor
- */
- public QueryNodeProcessor getQueryProcessor() {
- return this.processorPipeline;
- }
-
- public ParseException generateParseException() {
- return null;
- }
-
- public boolean getAllowLeadingWildcard() {
-
- if (this.config != null) {
- return this.config.get(ConfigurationKeys.ALLOW_LEADING_WILDCARD, false);
- }
-
- return false;
-
- }
-
- public MultiTermQuery.RewriteMethod getMultiTermRewriteMethod() {
-
- if (this.config != null) {
- return this.config.get(ConfigurationKeys.MULTI_TERM_REWRITE_METHOD,
- MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT);
- }
-
- return MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT;
-
- }
-
- public Resolution getDateResolution(String fieldName) {
-
- if (this.config != null) {
- FieldConfig fieldConfig = this.config.getFieldConfig(fieldName);
-
- if (fieldConfig != null) {
- return fieldConfig.get(ConfigurationKeys.DATE_RESOLUTION);
- }
-
- }
-
- return null;
-
- }
-
- public boolean getEnablePositionIncrements() {
-
- if (this.config != null) {
- return this.config.get(ConfigurationKeys.ENABLE_POSITION_INCREMENTS,
- false);
- }
-
- return false;
-
- }
-
- public float getFuzzyMinSim() {
- return FuzzyQuery.defaultMinSimilarity;
- }
-
- public int getFuzzyPrefixLength() {
- return FuzzyQuery.defaultPrefixLength;
- }
-
- public Locale getLocale() {
-
- if (this.config != null) {
- return this.config.get(ConfigurationKeys.LOCALE, Locale.getDefault());
- }
-
- return Locale.getDefault();
-
- }
-
- public boolean getLowercaseExpandedTerms() {
-
- if (this.config != null) {
- return this.config.get(ConfigurationKeys.LOWERCASE_EXPANDED_TERMS, true);
- }
-
- return true;
-
- }
-
- public int getPhraseSlop() {
-
- if (this.config != null) {
- return this.config.get(ConfigurationKeys.PHRASE_SLOP, 0);
- }
-
- return 0;
-
- }
-
- public Collator getRangeCollator() {
-
- if (this.config != null) {
- return this.config.get(ConfigurationKeys.RANGE_COLLATOR);
- }
-
- return null;
-
- }
-
- public boolean getUseOldRangeQuery() {
- if (getMultiTermRewriteMethod() == MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE) {
- return true;
- } else {
- return false;
- }
- }
-
- public Query parse(String query) throws ParseException {
-
- try {
- QueryNode queryTree = this.syntaxParser.parse(query, getField());
- queryTree = this.processorPipeline.process(queryTree);
- return this.builder.build(queryTree);
-
- } catch (QueryNodeException e) {
- throw new ParseException("parse exception");
- }
-
- }
-
- public void setAllowLeadingWildcard(boolean allowLeadingWildcard) {
- this.qpHelper.setAllowLeadingWildcard(allowLeadingWildcard);
- }
-
- public void setMultiTermRewriteMethod(MultiTermQuery.RewriteMethod method) {
- this.qpHelper.setMultiTermRewriteMethod(method);
- }
-
- public void setDateResolution(Resolution dateResolution) {
- this.qpHelper.setDateResolution(dateResolution);
- }
-
- private Map<CharSequence, DateTools.Resolution> dateRes = new HashMap<CharSequence, DateTools.Resolution>();
-
- public void setDateResolution(String fieldName, Resolution dateResolution) {
- dateRes.put(fieldName, dateResolution);
- this.qpHelper.setDateResolution(dateRes);
- }
-
- public void setDefaultOperator(Operator op) {
-
- this.qpHelper
- .setDefaultOperator(OR_OPERATOR.equals(op) ? org.apache.lucene.queryParser.standard.config.DefaultOperatorAttribute.Operator.OR
- : org.apache.lucene.queryParser.standard.config.DefaultOperatorAttribute.Operator.AND);
-
- }
-
- public Operator getDefaultOperator() {
-
- if (this.config != null) {
-
- return (this.config.get(ConfigurationKeys.DEFAULT_OPERATOR, org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.Operator.OR)
- == org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.Operator.AND) ? AND_OPERATOR
- : OR_OPERATOR;
-
- }
-
- return OR_OPERATOR;
-
- }
-
- public void setEnablePositionIncrements(boolean enable) {
- this.qpHelper.setEnablePositionIncrements(enable);
- }
-
- public void setFuzzyMinSim(float fuzzyMinSim) {
- // TODO Auto-generated method stub
-
- }
-
- public void setFuzzyPrefixLength(int fuzzyPrefixLength) {
- // TODO Auto-generated method stub
-
- }
-
- public void setLocale(Locale locale) {
- this.qpHelper.setLocale(locale);
- }
-
- public void setLowercaseExpandedTerms(boolean lowercaseExpandedTerms) {
- this.qpHelper.setLowercaseExpandedTerms(lowercaseExpandedTerms);
- }
-
- public void setPhraseSlop(int phraseSlop) {
- this.qpHelper.setDefaultPhraseSlop(phraseSlop);
- }
-
- public void setRangeCollator(Collator rc) {
- this.qpHelper.setRangeCollator(rc);
- }
-
- public void setUseOldRangeQuery(boolean useOldRangeQuery) {
- if (useOldRangeQuery) {
- setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
- } else {
- setMultiTermRewriteMethod(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT);
- }
- }
-
- protected Query getPrefixQuery(String field, String termStr)
- throws ParseException {
- throw new UnsupportedOperationException();
- }
-
- protected Query getWildcardQuery(String field, String termStr)
- throws ParseException {
- throw new UnsupportedOperationException();
- }
-
- protected Query getFuzzyQuery(String field, String termStr,
- float minSimilarity) throws ParseException {
- throw new UnsupportedOperationException();
- }
-
- /** @deprecated Use {@link #getFieldQuery(String, String, boolean)} instead */
- @Deprecated
- protected Query getFieldQuery(String field, String queryText) throws ParseException {
- return getFieldQuery(field, queryText, true);
- }
-
- /**
- * @exception ParseException throw in overridden method to disallow
- */
- protected Query getFieldQuery(String field, String queryText, boolean quoted)
- throws ParseException {
- throw new UnsupportedOperationException();
- }
-
- protected Query getBooleanQuery(List<BooleanClause> clauses, boolean disableCoord)
- throws ParseException {
- throw new UnsupportedOperationException();
- }
-
- /**
- * Base implementation delegates to {@link #getFieldQuery(String,String)}.
- * This method may be overridden, for example, to return a SpanNearQuery
- * instead of a PhraseQuery.
- *
- * @exception ParseException throw in overridden method to disallow
- */
- protected Query getFieldQuery(String field, String queryText, int slop)
- throws ParseException {
- throw new UnsupportedOperationException();
- }
-
- /**
- * @exception ParseException throw in overridden method to disallow
- */
- protected Query getRangeQuery(String field, String part1, String part2,
- boolean inclusive) throws ParseException {
- throw new UnsupportedOperationException();
- }
-
-}
fnp / pylucene.git / blobdiff