[rules-users] Plz reply : Descending order rule

[Barath]

Hi,

Plz note this change,

In case 1 : not Order(2 > 1)  is not Order(1 > 2)
In case 2 : not Order(3 > 1)  is not Order(1 > 3)

Barath.


Barath wrote:
> 
> Hi,
> 
> Thank you for replying.
> 
> I want to know the logic behind it so can u explain with 3 facts.
> 
> Where i am going wrong in my explanation i posted with 3 facts ?
> 
> Thanks in advance,
> Barath.
> 
> 
> Anstis, Michael (M.) wrote:
>> 
>> Are you sure you only have three facts?
>> 
>> Your original resultset showed "Order value=5" which is not in the
>> dataset
>> shown in your most recent email.
>>  
>> 
>> -----Original Message-----
>> From: rules-users-bounces at lists.jboss.org
>> [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Barath
>> Sent: 21 February 2008 10:34
>> To: rules-users at lists.jboss.org
>> Subject: Re: [rules-users] Plz reply : Descending order rule
>> 
>> 
>> Hi,
>> 
>> Let me say my understanding about this rule...
>> 
>> rule "Descending order"
>>     when
>>         $a : Order( $value : value )
>>         not Order( value > $value)
>>     then
>>         System.out.println("value :"+$value);                	
>>         retract($a);
>> end
>> 
>> 1. Order value=1    let this be A
>> 2. Order value=2    let this be B
>> 3. Order value=3    let this be C
>> 
>> Case 1 :   $a : Order($value : 1)
>>               not Order(2 > 1)
>>            So this rule is True.
>> 
>> Case 2 :   $a : Order($value : 1)
>>               not Order(3 > 1)
>>            So this rule is True.
>> 
>> Case 3 :   $a : Order($value : 2)
>>               not Order(2 > 3)
>>            So this rule is True.
>> 
>> Case 4 :   $a : Order($value : 2)
>>               not Order(2 > 1)
>>            So this rule is False.
>> 
>> Case 5 :   $a : Order($value : 3)
>>               not Order(3 > 1)
>>            So this rule is False.
>> 
>> Case 6 :   $a : Order($value : 3)
>>               not Order(3 > 2)
>>            So this rule is False.
>> 
>> This indicates the rule should fire for three times but its not the case.
>> I know i going wrong some where but i couldn't figure out.
>> Plz do help me.....
>> 
>> Barath.
>> 
>> 
>> Barath wrote:
>>> 
>>> Hi,
>>> 
>>> Can u explain me the rule flow for the below rule ?.
>>> This will help me to get some clear idea about rules.
>>> 
>>> rule "Descending order"
>>>     when
>>>         $a : Order( $value : value )
>>>         not Order( value > $value)
>>>     then
>>>         System.out.println("value :"+$value);                	
>>>         retract($a);
>>> end
>>> 
>>> I am having the following ,
>>> 
>>> 1. Order value=1
>>> 2. Order value=2
>>> 3. Order value=3
>>> 4. Order value=4
>>> 5. Order value=5
>>> 
>>> Can u explain the flow(when part) for this 5 object ?
>>> 
>>> Note my understanding(in when) : 1st line  take one order object
>>>                                                  2nd line check for
>>> any other object with grater 'value'
>>>                                                  But i dont know
>>> sequence in which the objects are taken.
>>> 
>>> Plz do reply......
>>> 
>>> Thanks in advance,
>>> Barath.
>>> _______________________________________________
>>> rules-users mailing list
>>> rules-users at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>> 
>>> 
>> 
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>> 
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> 
> 

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