[rules-users] Data comparing in CONDITION column decision table

[Wolfgang Laun]

On 15/03/2012, Sumeet Karawal <sumeet.karawal at tcs.com> wrote:
>
> How to make changes to the decision table entries to get a drl of this
> kind:
>

Put
   $a: Account() $c: Customer
into the cell where you now have $c : Customer and delete the Account column.
-W

>
> rule "Discount_10"
> 	when
> 		$a : Account()
> 		$c : Customer(type == $a.getType(), accno == 1001)
> 	then
> 		$c.setDiscount(1);
> end
>
>
> Thanks,
> Sumeet
> Mailto: sumeet.karawal at tcs.com
>
>
>
>   From:       Wolfgang Laun <wolfgang.laun at gmail.com>
>
>
>   To:         Rules Users List <rules-users at lists.jboss.org>
>
>
>   Date:       03/15/2012 02:47 PM
>
>
>   Subject:    Re: [rules-users] Data comparing in CONDITION column decision
> table
>
>   Sent by:    rules-users-bounces at lists.jboss.org
>
>
>
>
>
>
>
> Line breaks were lost in transit, but I think that you should remove
> the quotes from
>
>    type == "$param"
>
> if you insert an expression $a.getType().
>
> -W
>
>
> On 15/03/2012, Sumeet Karawal <sumeet.karawal at tcs.com> wrote:
>>
>> Hi,
>>
>> Can we use a data value of another object in the condition column of a
>> Spreadsheet.
>>
>> For example: I have two data types(POJOs) one com.bank.Customer and other
>> com.bank.Account
>>
>> in the rules I want to check whether the value entered for a particular
>> field in Customer class is equal to the value entered for the
> corresponding
>> field in the Account class. eg Customer.accType = Account.accType()
>>
>>
>> How can we achieve this using Decision table (CONDITION Column). I have
>> tried this:
>>
>>             --------------------------------------------
>>            |RuleTable
>>            |Discount
>>             --------------------------------------------
>>            |CONDITION      |CONDITION                   |
>>             ---------------+----------------------------|
>>            |$a : Account   |$c : Customer               |
>>             ---------------+----------------------------|
>>            |               |type == "$param"
>>  ----------+---------------+----------------------------
>> | Discount |    Account    |            Type            |
>> |  Rules   |               |                            |
>> |----------+---------------+----------------------------|
>> |    1     |               |        $a.getType()        |
>> |----------+---------------+----------------------------|
>> |    2     |               |        $a.getType()        |
>> |----------+---------------+----------------------------|
>> |    3     |               |        $a.getType()        |
>> |----------+---------------+----------------------------|
>> |    4     |               |        $a.getType()        |
>> |----------+---------------+----------------------------|
>> |    5     |               |        $a.getType()        |
>> |----------+---------------+----------------------------|
>> |    6     |               |        $a.getType()        |
>> |----------+---------------+----------------------------|
>>
>>
>>
>>
>> But it won't work. It would be great if somebody could help me on this.
>>
>> Thanks & Regards,
>> Sumeet Karawal
>> Mailto: sumeet.karawal at tcs.com
>>
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