Package org.drools.drl.parser.antlr4

Class Drl10ExprParser

java.lang.Object

org.drools.drl.parser.antlr4.Drl10ExprParser

All Implemented Interfaces:

DrlExprParser

public class Drl10ExprParser
extends Object
implements DrlExprParser

This is a helper class that provides helper methods to parse expressions using both the DRLExpressions parser and the DRLExprTree parser.

Constructor Summary

Constructors

Constructor	Description
Drl10ExprParser(LanguageLevelOption languageLevel)

Method Summary

Modifier and Type	Method	Description
List<DroolsParserException>	getErrors()
String	getLeftMostExpr()
boolean	hasErrors()
ConstraintConnectiveDescr	parse(String text)	Parse an expression from text

Methods inherited from class java.lang.Object

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

Constructor Details

Drl10ExprParser

public Drl10ExprParser(LanguageLevelOption languageLevel)

Method Details

parse

public ConstraintConnectiveDescr parse(String text)

Parse an expression from text

Specified by:

parse in interface DrlExprParser

getLeftMostExpr

public String getLeftMostExpr()

Specified by:

getLeftMostExpr in interface DrlExprParser

hasErrors

public boolean hasErrors()

Specified by:

hasErrors in interface DrlExprParser

Returns:

true if there were parser errors.

getErrors

public List<DroolsParserException> getErrors()

Specified by:

getErrors in interface DrlExprParser

Returns:

a list of errors found while parsing.