Package com.aquima.interactions.rule.impl

Class ParserFactory

java.lang.Object

com.aquima.interactions.rule.impl.ParserFactory

All Implemented Interfaces:

IParserFactory

public class ParserFactory
extends Object
implements IParserFactory

Default parser factory class that can be used to create expression parsers with optional error reporting.

Since:

5.1

Author:

O. Kerpershoek

Constructor Summary

Constructors

Constructor	Description
ParserFactory(IProject project, IMetaModel model, IExpressionEngineDS datasource, Version parserVersion)	Constructs the parser factory for the specified meta model.

Method Summary

Modifier and Type	Method	Description
IExpressionParser	getParser(String unitName, IParseListener listener)	This method returns an expression parser that will use the specified listener when parsing expressions.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParserFactory

public ParserFactory(IProject project,
                     IMetaModel model,
                     IExpressionEngineDS datasource,
                     Version parserVersion)
              throws InitializationException

Constructs the parser factory for the specified meta model.

Parameters:

project - Project containing various global definitions.

model - The meta model that should be used by the expression parsers.

datasource - The data source from which the expression templates are retrieved.

parserVersion - The version of the parser that should be used.

Throws:

InitializationException - When there was a problem during construction of the parser factory.

Method Detail

getParser

public IExpressionParser getParser(String unitName,
                                   IParseListener listener)

Description copied from interface: IParserFactory

This method returns an expression parser that will use the specified listener when parsing expressions. The parse listener is optional, and may be omitted by calling this method with a null value.

Specified by:

getParser in interface IParserFactory

Parameters:

unitName - Identifier for the expression(s) that will be parsed by this parser.

listener - Optional listener that will be notified of errors and warnings.

Returns:

An expression parser implementation.