[rules-users] Getting Error while using Drools 5.3.0

[Wolfgang Laun]

Once again: A DRL rule written according to you Java code, your
DSL and your DSLR work fine. (Drools 5.3.0)

1) Write the rule in DRL and see what you get.

2) Obtain the result of DSL expansion and inspect the resulting DRL code.

-W



On 02/05/2012, mkhan_rt54fde <maliullah at gmail.com> wrote:
> Hi,
>
> Sorry for the delay in reply.
>
> Thanks for pointing out the typo.I corrected that and redepolyed my
> application.However,this time, I am seeing the following error:
>
> org.drools.rule.InvalidRulePackage: Evaluator '>' does not support type
> 'ValueType = 'String' : [Rule name='VIN required for newer vehicles']
>
> Here is my .dslr file:
>
> rule "Set Time To Live"
> 	when
> 		there is a restoration request
> 	then
> 		set quote process time to live to: 3
> 		add additional action "check state regulation for vintage car
> restoration"
> end
>
>
> #validation
> rule "Year is required"
> no-loop true
> 	when
> 		request does not contain model year
> 	then
> 		set reason of rejection to "year is required"
> 		reject request
> end
>
>
> #additional action
> rule "VIN required for newer vehicles"
> no-loop true
> 	when
> 		request contains no VIN and the car was built after year 1982
> 	then
> 		ask the customer to provide VIN
> end
>
>
> Here is my .dsl file:
>
> [condition][]there is a restoration request=info: CarRulesInfo()
> [consequence][]set quote process time to live to:
> {value}=info.setTimeToLive({value});
> [condition][]request does not contain model year=info:
> CarRulesInfo(quoteRequest.year == null  )
> [consequence][]reject request=info.setValid( false );
> [condition][]request contains no VIN and the car was built after year
> {value}=info: CarRulesInfo(quoteRequest.VIN == null, quoteRequest.modelYear
>> 1982  )
> [consequence][]ask the customer to provide
> VIN=info.setAdditionalActions("Ask customer to provide VIN number");
> [consequence][]set reason of rejection to
> "{value}"=info.setReasonOfRejection("{value}");
> [consequence][]add additional action
> "{value}"=info.setAdditionalActions("{value}");
>
> and here is my java class:
>
> public class QuoteRequest {
>
> 	private Contact contact;
> 	private Address address;
>
> 	private String make;
> 	private String model;
> 	private String style;
> 	private String year;
>
> 	private String VIN;
> 	private String condition;
> 	private String description;
> 	private String zip;
>
> 	private List<Link> links = new ArrayList<Link>();
>
> 	public static void printForMe() {
> 		System.out.println("printing for you");
> 	}
>
> 	public Contact getContact() {
> 		return contact;
> 	}
>
> 	public void setContact(Contact contact) {
> 		this.contact = contact;
> 	}
>
> 	public Address getAddress() {
> 		return address;
> 	}
>
> 	public void setAddress(Address address) {
> 		this.address = address;
> 	}
>
> 	public String getMake() {
> 		return make;
> 	}
>
> 	public void setMake(String make) {
> 		this.make = make;
> 	}
>
> 	public String getModel() {
> 		return model;
> 	}
>
> 	public void setModel(String model) {
> 		this.model = model;
> 	}
>
> 	public String getStyle() {
> 		return style;
> 	}
>
> 	public void setStyle(String style) {
> 		this.style = style;
> 	}
>
> 	public String getYear() {
> 		return returnString(year);
> 	}
>
> 	public Integer getModelYear() {
> 		Integer modelYear = (getYear() == null) ? null : Integer.parseInt(year);
> 		
> 		return modelYear;
> 	}
>
> 	public void setYear(String year) {
> 		this.year = year;
> 	}
>
> 	public String getVIN() {
> 		return returnString(VIN);
> 	}
>
> 	public void setVIN(String vin) {
> 		VIN = vin;
> 	}
>
> 	public String getCondition() {
> 		return condition;
> 	}
>
> 	public void setCondition(String condition) {
> 		this.condition = condition;
> 	}
>
> 	public String getDescription() {
> 		return description;
> 	}
>
> 	public void setDescription(String description) {
> 		this.description = description;
> 	}
>
> 	public String getZip() {
> 		return zip;
> 	}
>
> 	public void setZip(String zip) {
> 		this.zip = zip;
> 	}
>
> 	public List<Link> getLinks() {
> 		return links;
> 	}
>
> 	public void setLinks(List<Link> links) {
> 		this.links = links;
> 	}
> 	
> 	private String returnString(String s) {
> 		return (s == null || s.isEmpty()) ? null : s;
> 	}
> }
>
> Not sure why I am getting this error.Any suggestions?
>
> Thanks.
>
>
>
>
> --
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