Package com.aquima.interactions.rule.ds.xml.r17.parsing

Class XmlRuleEngineDS

java.lang.Object

com.aquima.interactions.foundation.report.ReportingDS

com.aquima.interactions.rule.ds.xml.r17.parsing.XmlRuleEngineDS

All Implemented Interfaces:

IReportingDS, IRuleEngineDS

public class XmlRuleEngineDS
extends ReportingDS
implements IRuleEngineDS

Xml datasource implementation.

Since:

7.3

Author:

Danny Roest

Field Summary

Fields inherited from interface com.aquima.interactions.rule.ds.IRuleEngineDS

CATEGORY

Constructor Summary

Constructors

Constructor	Description
XmlRuleEngineDS(IInitializationReport report, IXmlNode node)

Method Summary

Modifier and Type	Method	Description
protected void	addJustificationAsset(String textId, String format, IMultilingualText text)
boolean	allowTargetDowncast()	Given a rule that can source a target attribute, it uses source attributes.
XmlJustificationAsset[]	getAssets()
IExpressionEngineDS	getExpressionEngineDS()	This function returns the data source for the expression parser.
Version	getParserVersion()	This method returns the version of the parser that should be used.
void	iterateConstraints(IConstraintVisitor visitor)	The rule engine will invoke this method to allow the data layer to add constraints for attributes to the rule engine.
void	iterateRuleGroups(IRuleGroupVisitor visitor)	The rule engine will invoke this method to allow the data layer to add the rule group definitions to the rule engine.
void	iterateSources(ISourceVisitor visitor)	The rule engine will invoke this method to allow the data layer to add to add sources for attributes to the rule engine.
void	iterateValidations(IValidationVisitor visitor)	The rule engine will invoke this method to allow the data layer to add a validation rule for an attribute to the rule engine.

Methods inherited from class com.aquima.interactions.foundation.report.ReportingDS

addError, addMessage, getCategory, getReport

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.aquima.interactions.foundation.report.IReportingDS

addMessage

Constructor Details

XmlRuleEngineDS

public XmlRuleEngineDS(IInitializationReport report,
 IXmlNode node)

Method Details

allowTargetDowncast

public boolean allowTargetDowncast()

Description copied from interface: IRuleEngineDS

Given a rule that can source a target attribute, it uses source attributes. In KS-4.2 one can define A rule that sources Item.price while using the subtype Product in the expression. If the allowTarget upcast function is true the second case: Sourcing with Item.prijs using Product.naam will auto upcast Item.prijs to Product.prijs. This makes the the rule valid and used when product.prijs is requested.

1. Item.prijs <= Item.naam
2. Item.prijs <= Product.naam
3. Product.prijs <= Item.naam
4. Product.prijs <= Product.naam

Specified by:

allowTargetDowncast in interface IRuleEngineDS

Returns:

boolean indicating if down-casting of rules is allowed.

getExpressionEngineDS

public IExpressionEngineDS getExpressionEngineDS()

Description copied from interface: IRuleEngineDS

This function returns the data source for the expression parser.

Specified by:

getExpressionEngineDS in interface IRuleEngineDS

Returns:

The parser data source which is mandatory.

getParserVersion

public Version getParserVersion()

Description copied from interface: IRuleEngineDS

This method returns the version of the parser that should be used. At the moment there are two parser versions available:

• Version 4.x and lower, which will only accept expressions in the original syntax.
• Version 5.x or higher, which will accept most of the original syntax and several new expression constructs.

Specified by:

getParserVersion in interface IRuleEngineDS

Returns:

The version of the parser that should be used.

iterateConstraints

public void iterateConstraints(IConstraintVisitor visitor)

Description copied from interface: IRuleEngineDS

The rule engine will invoke this method to allow the data layer to add constraints for attributes to the rule engine.

Specified by:

iterateConstraints in interface IRuleEngineDS

Parameters:

visitor - The visitor that should be used to add the constraints to.

iterateRuleGroups

public void iterateRuleGroups(IRuleGroupVisitor visitor)

Description copied from interface: IRuleEngineDS

The rule engine will invoke this method to allow the data layer to add the rule group definitions to the rule engine.

Specified by:

iterateRuleGroups in interface IRuleEngineDS

Parameters:

visitor - The visitor that should be used to add the rule groups to.

iterateSources

public void iterateSources(ISourceVisitor visitor)

Description copied from interface: IRuleEngineDS

The rule engine will invoke this method to allow the data layer to add to add sources for attributes to the rule engine.

Specified by:

iterateSources in interface IRuleEngineDS

Parameters:

visitor - The visitor that should be used to add the source to.

iterateValidations

public void iterateValidations(IValidationVisitor visitor)

Description copied from interface: IRuleEngineDS

The rule engine will invoke this method to allow the data layer to add a validation rule for an attribute to the rule engine.

Specified by:

iterateValidations in interface IRuleEngineDS

Parameters:

visitor - The visitor that should be used to add the validation to.

addJustificationAsset

protected void addJustificationAsset(String textId,
 String format,
 IMultilingualText text)

getAssets

public XmlJustificationAsset[] getAssets()