public class ComplexPhraseQueryParser extends QueryParser
Performs potentially multiple passes over Query text to parse any nested logic in PhraseQueries. - First pass takes any PhraseQuery content between quotes and stores for subsequent pass. All other query content is parsed as normal - Second pass parses any stored PhraseQuery content, checking all embedded clauses are referring to the same field and therefore can be rewritten as Span queries. All PhraseQuery clauses are expressed as ComplexPhraseQuery objects
This could arguably be done in one pass using a new QueryParser but here I am working within the constraints of the existing parser as a base class. This currently simply feeds all phrase content through an analyzer to select phrase terms - any "special" syntax such as * ~ * etc are not given special status
QueryParser.Operator
QueryParserBase.MethodRemovedUseAnother
jj_nt, token, token_source
AND_OPERATOR, OR_OPERATOR
_ESCAPED_CHAR, _NUM_CHAR, _QUOTED_CHAR, _TERM_CHAR, _TERM_START_CHAR, _WHITESPACE, AND, BAREOPER, Boost, CARAT, COLON, DEFAULT, EOF, FUZZY_SLOP, LPAREN, MINUS, NOT, NUMBER, OR, PLUS, PREFIXTERM, QUOTED, Range, RANGE_GOOP, RANGE_QUOTED, RANGE_TO, RANGEEX_END, RANGEEX_START, RANGEIN_END, RANGEIN_START, REGEXPTERM, RPAREN, STAR, TERM, tokenImage, WILDTERM
Constructor and Description |
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ComplexPhraseQueryParser(Version matchVersion,
String f,
Analyzer a) |
Modifier and Type | Method and Description |
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Query |
parse(String query)
Parses a query string, returning a
Query . |
Clause, Conjunction, disable_tracing, enable_tracing, generateParseException, getNextToken, getToken, Modifiers, Query, ReInit, ReInit, Term, TopLevelQuery
escape, getAllowLeadingWildcard, getAnalyzeRangeTerms, getAutoGeneratePhraseQueries, getDateResolution, getDefaultOperator, getField, getFuzzyMinSim, getFuzzyPrefixLength, getLocale, getLowercaseExpandedTerms, getMultiTermRewriteMethod, getPhraseSlop, getTimeZone, init, setAllowLeadingWildcard, setAnalyzeRangeTerms, setAutoGeneratePhraseQueries, setDateResolution, setDateResolution, setDefaultOperator, setFuzzyMinSim, setFuzzyPrefixLength, setLocale, setLowercaseExpandedTerms, setMultiTermRewriteMethod, setPhraseSlop, setTimeZone
createBooleanQuery, createBooleanQuery, createMinShouldMatchQuery, createPhraseQuery, createPhraseQuery, getAnalyzer, getEnablePositionIncrements, setAnalyzer, setEnablePositionIncrements
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getAnalyzer, getEnablePositionIncrements, setEnablePositionIncrements
public Query parse(String query) throws ParseException
QueryParserBase
Query
.parse
in class QueryParserBase
query
- the query string to be parsed.ParseException
- if the parsing failsCopyright © 2010 - 2020 Adobe. All Rights Reserved