Can you call a trigger from a future method?

Can you call a trigger from a future method?

Using a static variable, setting it in the futur method, then checking for it in the trigger. You cannot call a method annotated with future from a method that also has the future annotation. Nor can you call a trigger from an annotated method that calls another annotated method.

How to execute a callout from a trigger?

The only way to execute a callout from a trigger is to run it asynchronously and this can be achieved by executing a method with the @future method. Future methods execute asynchronously i.e. one does not need to wait for a response.

How to call future from a trigger in Salesforce?

1. create a batch apex class. See documentation here: http://www.salesforce.com/us/developer/docs/apexcode/Content/apex_batch_interface.htm You’ll need to create a start, execute and a finish method. 2. the constructor of the batch should have a Set argument so you can send the list of order numbers.

Can a future method make a native call?

Future methods execute asynchronously i.e. one does not need to wait for a response. The thing to keep in mind is, a future method can have native calls, as well as, they can make a call out to an external web service and hence, in order to enable the future method to allow callouts, an extra parameter “ Callout=true ” needs to be passed.

What happens if you call the future method again?

Your future method ends up calling the same future method again. Hence the error. Note: Let’s say if you instead of a future method you had a normal method, in that case you would have faced a problem of Infinite loop of trigger call (Because everytime you insert a record, your trigger will be executed).

Can a future method be called in a constructor?

Future methods can’t be used in Visualforce controllers in getMethodName (), setMethodName (), nor in the constructor. You can’t call a future method from a future method. Nor can you invoke a trigger that calls a future method while running a future method.

Can a future method be called from a normal method?

Note: Let’s say if you instead of a future method you had a normal method, in that case you would have faced a problem of Infinite loop of trigger call (Because everytime you insert a record, your trigger will be executed). The solution of this will depend on what exactly you are trying to achieve.