flex.messaging.services.messaging.selector
Class SQLParser

java.lang.Object
  flex.messaging.services.messaging.selector.SQLParser

All Implemented Interfaces:

SQLParserConstants

public class SQLParser
extends Object
implements SQLParserConstants

Subset of SQL-92 used by JMS message selectors.

As a starting point I used the SQL grammar contributed by kevinh@empower.com.au to the JAVACC web site http://www.cobase.cs.ucla.edu/pub/javacc/

Field Summary

Token	jj_nt
boolean	lookingAhead
Token	token
SQLParserTokenManager	token_source

Fields inherited from interface flex.messaging.services.messaging.selector.SQLParserConstants

AND, ASTERISK, BETWEEN, BOOLEAN_LITERAL, CLOSEPAREN, DEFAULT, DIGIT, EOF, EQUAL, ESCAPE, EXPONENT, FLOATING_POINT_LITERAL, GREATER, GREATEREQUAL, ID, IN, INTEGER_LITERAL, IS, LESS, LESSEQUAL, LETTER, LIKE, MINUS, NOT, NOTEQUAL, NULL, OPENPAREN, OR, PLUS, QUESTIONMARK, SLASH, STRING_LITERAL, tokenImage

Constructor Summary

SQLParser(InputStream stream)

SQLParser(JMSSelector selector, InputStream stream)

SQLParser(Reader stream)

SQLParser(SQLParserTokenManager tm)

Method Summary

void	disable_tracing()
void	enable_tracing()
char	EscapeChar()
ParseException	generateParseException()
Token	getNextToken()
Token	getToken(int index)
boolean	match(Message msg) The SQL-92 grammar starts here.
void	ReInit(InputStream stream)
void	ReInit(Reader stream)
void	ReInit(SQLParserTokenManager tm)
void	setMessage(Message msg)
Object	SQLAndExpr()
Boolean	SQLBetweenClause(Object obj1)
String	SQLColRef()
Object	SQLCompareExpr()
Boolean	SQLCompareExprRight(Object obj1)
Boolean	SQLInClause(Object obj1)
Boolean	SQLIsClause()
Boolean	SQLLikeClause(Object obj1)
Object	SQLLiteral()
Object	SQLLValueElement()
ArrayList	SQLLValueList()
Object	SQLNotExpr()
Object	SQLOrExpr()
String	SQLPattern()
Object	SQLProductExpr()
Object	SQLSumExpr()
Object	SQLTerm()
Object	SQLUnaryExpr()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

token_source

public SQLParserTokenManager token_source

token

public Token token

jj_nt

public Token jj_nt

lookingAhead

public boolean lookingAhead

Constructor Detail

SQLParser

public SQLParser(JMSSelector selector,
                 InputStream stream)

SQLParser

public SQLParser(InputStream stream)

SQLParser

public SQLParser(Reader stream)

SQLParser

public SQLParser(SQLParserTokenManager tm)

Method Detail

setMessage

public void setMessage(Message msg)

match

public final boolean match(Message msg)
                    throws ParseException

The SQL-92 grammar starts here.

Throws:

ParseException

SQLOrExpr

public final Object SQLOrExpr()
                       throws ParseException

Throws:

ParseException

SQLAndExpr

public final Object SQLAndExpr()
                        throws ParseException

Throws:

ParseException

SQLNotExpr

public final Object SQLNotExpr()
                        throws ParseException

Throws:

ParseException

SQLCompareExpr

public final Object SQLCompareExpr()
                            throws ParseException

Throws:

ParseException

SQLCompareExprRight

public final Boolean SQLCompareExprRight(Object obj1)
                                  throws ParseException

Throws:

ParseException

SQLSumExpr

public final Object SQLSumExpr()
                        throws ParseException

Throws:

ParseException

SQLProductExpr

public final Object SQLProductExpr()
                            throws ParseException

Throws:

ParseException

SQLUnaryExpr

public final Object SQLUnaryExpr()
                          throws ParseException

Throws:

ParseException

SQLColRef

public final String SQLColRef()
                       throws ParseException

Throws:

ParseException

SQLTerm

public final Object SQLTerm()
                     throws ParseException

Throws:

ParseException

SQLLiteral

public final Object SQLLiteral()
                        throws ParseException

Throws:

ParseException

SQLLikeClause

public final Boolean SQLLikeClause(Object obj1)
                            throws ParseException

Throws:

ParseException

SQLPattern

public final String SQLPattern()
                        throws ParseException

Throws:

ParseException

EscapeChar

public final char EscapeChar()
                      throws ParseException

Throws:

ParseException

SQLIsClause

public final Boolean SQLIsClause()
                          throws ParseException

Throws:

ParseException

SQLInClause

public final Boolean SQLInClause(Object obj1)
                          throws ParseException

Throws:

ParseException

SQLLValueList

public final ArrayList SQLLValueList()
                              throws ParseException

Throws:

ParseException

SQLLValueElement

public final Object SQLLValueElement()
                              throws ParseException

Throws:

ParseException

SQLBetweenClause

public final Boolean SQLBetweenClause(Object obj1)
                               throws ParseException

Throws:

ParseException

ReInit

public void ReInit(InputStream stream)

ReInit

public void ReInit(Reader stream)

ReInit

public void ReInit(SQLParserTokenManager tm)

getNextToken

public final Token getNextToken()

getToken

public final Token getToken(int index)

generateParseException

public ParseException generateParseException()

enable_tracing

public final void enable_tracing()

disable_tracing

public final void disable_tracing()