[rules-users] one rule not fired properly.

[manyasri.m]

Hi,

> eval($p.getTotalprice() > 1000)

In This case i am getting  getTotalprice() value 0.i am getting default
value.But, in this case i want totalprice value.Can somebody plz take a look
at what is going wrong.

thanks,
--manya


manyasri.m wrote:
> 
> Hi,
>   
> The business requirements are as follows.
> 
> We have 3 rules which need to be fired depending upon the criteria which
> will be met.  We have an order object which has various orderline items
> and the following business rules need to be executed depending upon the
> inserted facts.
> •	If a particular item is on discount, the discount % is applied to the
> line item.
> •	If the quantity for a particular item is greater than 10, an added 10%
> discount is given for the order.
> •	If the total order amount is greater than 1000, then an additional 5%
> discount is given on the order.
> 
> The above rules need to be executed at the same time.
> 
> In This case i tryed all the conditions it's working fine.But,
> rule "Apply 5% discount if Total Price greater than 1000"  is not fired.
> 
> package com.sample.orderItem
> 
> import com.sample.orderItem.DiscountDetails
> import com.sample.orderItem.ItemQuantity
> import com.sample.orderItem.PriceCal
> import com.sample.orderItem.PriceDetails
> 
> expander Sample.dsl
> 
> 
> 
> rule "Purchase Item"
>     salience 10
>  when
>    > $p:PriceCal(itemName:itemName, quantity:quantity,
> discountPer:discountPer, itemprice:itemprice, totalprice:totalprice,
> totalPriceAfterDiscount:totalPriceAfterDiscount)
>   
>  then
>    >  System.out.println("Purchased Item     : " +itemName ); 
>    >  System.out.println("Itemprice Prise    : " +itemprice);
>    >  System.out.println("Itemprice quantity : " +quantity); 
>    >  System.out.println("discountPer        : " +discountPer);
> end 
> 
> rule "Item Discountper equal to null"
>     salience 10
>  when
>    > $p:PriceCal(itemName:itemName, quantity:quantity,
> discountPer:discountPer, itemprice:itemprice, totalprice:totalprice,
> totalPriceAfterDiscount:totalPriceAfterDiscount)
>    > eval($p.getDiscountPer() == null)
>  then
>  
>    >  $p.setTotalprice(totalprice+itemprice*quantity);
>    >  System.out.println("totalprice non Disc         : "
> +$p.getTotalprice() );
> end 
> 
> rule "Item Discountper not equal to null"
>     salience 10
>  when
> 				
>    > $p:PriceCal(itemName:itemName, quantity:quantity,
> discountPer:discountPer, itemprice:itemprice, totalprice:totalprice,
> totalPriceAfterDiscount:totalPriceAfterDiscount)
>    > eval($p.getDiscountPer() != null)
>  then
>    
>    >  $p.setItemprice(itemprice*(100-Integer.parseInt(discountPer))/100);
>    >  System.out.println("default discountl: "+$p.getItemprice());
>    >  $p.setTotalprice(totalprice+$p.getItemprice()*quantity);
>    >  System.out.println("Totalprice         : " +$p.getTotalprice() );
> end 
> 
> rule "Apply 10% discount if quantity greater than 10"
> 				
>  when
>    > $p:PriceCal(itemName:itemName, quantity:quantity,
> discountPer:discountPer, itemprice:itemprice, totalprice:totalprice,
> totalPriceAfterDiscount:totalPriceAfterDiscount)
>    > eval($p.getQuantity() > 10)
>    
>  then
>    >  $p.setTotalprice($p.getTotalprice()*0.90);
>    >  System.out.println("Apply 10% discount if quantity greater than 10        
> : " +$p.getTotalprice() ); 
>    
> end 
> 
> rule "Apply 5% discount if Total Price greater than 1000"
> 
>  when
>    > $p:PriceCal(itemName:itemName, quantity:quantity,
> discountPer:discountPer, itemprice:itemprice, totalprice:totalprice,
> totalPriceAfterDiscount:totalPriceAfterDiscount)
>    > eval($p.getTotalprice() > 1000)
>   
>  then
>     
>    >  $p.setTotalprice($p.getTotalprice()*0.95);
>    >  System.out.println("Apply 5% discount if Total Price greater than
> 1000        : " +$p.getTotalprice() ); 
>   
> end 
> 
> Result:
> -------
> Purchased Item     : abc
> Itemprice Prise    : 100.0
> Itemprice quantity : 13
> discountPer          : 5
> default discount   l: 95.0
> Totalprice         : 1235.0
> Apply 10% discount if quantity greater than 10         : 1111.5
> 
> 
> please give me proper suggestion of this.
> 
> 
> thanks,
> manyasri.
>  
> 

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