org.apache.ignite.internal.sql

Class SqlLexer

java.lang.Object

org.apache.ignite.internal.sql.SqlLexer

All Implemented Interfaces:

SqlLexerToken

public class SqlLexer
extends Object
implements SqlLexerToken

SQL lexer.

Constructor Summary

Constructors

Constructor and Description
SqlLexer(String sql) Constructor.

Method Summary

Modifier and Type	Method and Description
SqlLexerToken	lookAhead() Get next token without lexer state change.
boolean	shift() Shift lexer to the next position.
String	sql()
String	token()
char	tokenFirstChar()
int	tokenPosition()
SqlLexerTokenType	tokenType()

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlLexer

public SqlLexer(String sql)

Constructor.

Parameters:

sql - Input.

Method Detail

lookAhead

public SqlLexerToken lookAhead()

Get next token without lexer state change.

Returns:

Next token.

shift

public boolean shift()

Shift lexer to the next position.

Returns:

True if next token was found, false in case of end-of-file.

sql

public String sql()

Specified by:

sql in interface SqlLexerToken

Returns:

Original SQL.

token

public String token()

Specified by:

token in interface SqlLexerToken

Returns:

Current token.

tokenFirstChar

public char tokenFirstChar()

Specified by:

tokenFirstChar in interface SqlLexerToken

Returns:

First character of the current token.

tokenPosition

public int tokenPosition()

Specified by:

tokenPosition in interface SqlLexerToken

Returns:

Current token start position.

tokenType

public SqlLexerTokenType tokenType()

Specified by:

tokenType in interface SqlLexerToken

Returns:

Token type.