Package org.apache.cassandra.cql3

Class ErrorCollector

java.lang.Object

org.apache.cassandra.cql3.ErrorCollector

All Implemented Interfaces:

ErrorListener

public final class ErrorCollector
extends Object
implements ErrorListener

ErrorListener that collect and enhance the errors send by the CQL lexer and parser.

Constructor Summary

Constructors

Constructor	Description
ErrorCollector(String query)	Creates a new ErrorCollector instance to collect the syntax errors associated to the specified CQL query.

Method Summary

Modifier and Type	Method	Description
void	syntaxError(org.antlr.runtime.BaseRecognizer recognizer, String errorMsg)	Invoked when a syntax error with a specified message occurs.
void	syntaxError(org.antlr.runtime.BaseRecognizer recognizer, String[] tokenNames, org.antlr.runtime.RecognitionException e)	Invoked when a syntax error occurs.
void	throwFirstSyntaxError()	Throws the first syntax error found by the lexer or the parser if it exists.

Methods inherited from class java.lang.Object

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

Constructor Details

ErrorCollector

public ErrorCollector(String query)

Creates a new ErrorCollector instance to collect the syntax errors associated to the specified CQL query.

Parameters:

query - the CQL query that will be parsed

Method Details

syntaxError

public void syntaxError(org.antlr.runtime.BaseRecognizer recognizer,
 String[] tokenNames,
 org.antlr.runtime.RecognitionException e)

Invoked when a syntax error occurs.

Specified by:

syntaxError in interface ErrorListener

Parameters:

recognizer - the parser or lexer that emitted the error

tokenNames - the token names

e - the exception

syntaxError

public void syntaxError(org.antlr.runtime.BaseRecognizer recognizer,
 String errorMsg)

Invoked when a syntax error with a specified message occurs.

Specified by:

syntaxError in interface ErrorListener

Parameters:

recognizer - the parser or lexer that emitted the error

errorMsg - the error message

throwFirstSyntaxError

public void throwFirstSyntaxError()
                           throws SyntaxException

Throws the first syntax error found by the lexer or the parser if it exists.

Throws:

SyntaxException - the syntax error.