Class StandardSyntaxParser
- java.lang.Object
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- org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser
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- All Implemented Interfaces:
SyntaxParser,StandardSyntaxParserConstants
public class StandardSyntaxParser extends Object implements SyntaxParser, StandardSyntaxParserConstants
Parser for the standard Lucene syntax
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Field Summary
Fields Modifier and Type Field Description Tokenjj_ntNext token.TokentokenCurrent token.StandardSyntaxParserTokenManagertoken_sourceGenerated Token Manager.-
Fields inherited from interface org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParserConstants
_ESCAPED_CHAR, _NUM_CHAR, _QUOTED_CHAR, _TERM_CHAR, _TERM_START_CHAR, _WHITESPACE, AFTER, AND, ATLEAST, BEFORE, CARAT, CONTAINED_BY, CONTAINING, DEFAULT, EOF, EXTEND, FN_OR, FN_PREFIX, Function, FUZZYTERM, LPAREN, MAXGAPS, MAXWIDTH, MINUS, NON_OVERLAPPING, NOT, NOT_CONTAINED_BY, NOT_CONTAINING, NOT_WITHIN, NUMBER, OP_COLON, OP_EQUAL, OP_LESSTHAN, OP_LESSTHANEQ, OP_MORETHAN, OP_MORETHANEQ, OR, ORDERED, OVERLAPPING, PHRASE, PLUS, QUOTED, Range, RANGE_GOOP, RANGE_QUOTED, RANGE_TO, RANGEEX_END, RANGEEX_START, RANGEIN_END, RANGEIN_START, REGEXPTERM, RPAREN, TERM, TILDE, tokenImage, UNORDERED, UNORDERED_NO_OVERLAPS, WILDCARD, WITHIN
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Constructor Summary
Constructors Constructor Description StandardSyntaxParser()StandardSyntaxParser(CharStream stream)Constructor with user supplied CharStream.StandardSyntaxParser(StandardSyntaxParserTokenManager tm)Constructor with generated Token Manager.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description voiddisable_tracing()Disable tracing.voidenable_tracing()Enable tracing.ParseExceptiongenerateParseException()Generate ParseException.TokengetNextToken()Get the next Token.TokengetToken(int index)Get the specific Token.QueryNodeparse(CharSequence query, CharSequence field)Parses a query string, returning aQueryNode.static floatparseFloat(Token token)static intparseInt(Token token)voidReInit(CharStream stream)Reinitialise.voidReInit(StandardSyntaxParserTokenManager tm)Reinitialise.QueryNodeTopLevelQuery(CharSequence field)booleantrace_enabled()Trace enabled.
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Field Detail
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token_source
public StandardSyntaxParserTokenManager token_source
Generated Token Manager.
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token
public Token token
Current token.
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jj_nt
public Token jj_nt
Next token.
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Constructor Detail
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StandardSyntaxParser
public StandardSyntaxParser()
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StandardSyntaxParser
public StandardSyntaxParser(CharStream stream)
Constructor with user supplied CharStream.
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StandardSyntaxParser
public StandardSyntaxParser(StandardSyntaxParserTokenManager tm)
Constructor with generated Token Manager.
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Method Detail
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parse
public QueryNode parse(CharSequence query, CharSequence field) throws QueryNodeParseException
Parses a query string, returning aQueryNode.- Specified by:
parsein interfaceSyntaxParser- Parameters:
query- the query string to be parsed.field- - default field name- Returns:
- QueryNode tree
- Throws:
ParseException- if the parsing failsQueryNodeParseException
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parseFloat
public static float parseFloat(Token token)
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parseInt
public static int parseInt(Token token)
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TopLevelQuery
public final QueryNode TopLevelQuery(CharSequence field) throws ParseException
- Throws:
ParseException
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ReInit
public void ReInit(CharStream stream)
Reinitialise.
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ReInit
public void ReInit(StandardSyntaxParserTokenManager tm)
Reinitialise.
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getNextToken
public final Token getNextToken()
Get the next Token.
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getToken
public final Token getToken(int index)
Get the specific Token.
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generateParseException
public ParseException generateParseException()
Generate ParseException.
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trace_enabled
public final boolean trace_enabled()
Trace enabled.
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enable_tracing
public final void enable_tracing()
Enable tracing.
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disable_tracing
public final void disable_tracing()
Disable tracing.
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