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98765432109876543210 

Trigger question 1

Two objects are there object1 & object2 

 

if object1 is update then automatically object2 is updating, vice versa object2 is update automatically update object1

 

these two objects are in loop conditions.

 

My question is how u will stop the updating. 

Explain me how many ways we can stop the updating..

 

Please reply this question...

simple-forcesimple-force

Hi,

to do this you have to set a static variable in your trigger. In each trigger you run the update only if the trigger wasn't registered before in the static variable.

Pseudo Code: 

 

class TriggerControl

{
    public static Set<String> executedTriggers{
        get{
            if(executedTriggers == null) executedTriggers = new Set<String>();
            return executedTriggers;
    } set;}
}

trigger Object1Trigger on Object1__c (<events>)
{
    if(TriggerControl.executedTriggers.contains('Object1Trigger'))
    {
        TriggerControl.executedTriggers.add('Object1Trigger');
        update ...;
    }
}

 
harry.freeharry.free
Here is the solution: http://www.salesforce.com/docs/developer/cookbook/Content/apex_controlling_recursive_triggers.htm
KrishHariKrishHari

When designing triggers, if proper thought is not given, it can easily go out of control. There are established design concepts and patterns to handle both recursive and non-recursive calls on the apex triggers. The following resource might be helpful for you to architect/design/develop your triggers.

 

Regards,

HK.