Contents
- 1 How does the aura method work in Salesforce?
- 2 Can you call synchronousonlyoperation from an asynchronous context?
- 3 What’s the difference between asynchronous and synchronous phone calls?
- 4 When to use aurahandledexception in apex server?
- 5 What’s the benefit of throwing aurahandledexception in JavaScript?
How does the aura method work in Salesforce?
The aura:method returns before the asynchronous server-side action call completes. Instead, we invoke the callback passed into the aura:method and set the result as a parameter in the callback. The echo aura:method calls a server-side controller action called serverEcho. Here’s the source for the server-side controller.
Can you call synchronousonlyoperation from an asynchronous context?
But return this error SynchronousOnlyOperation: You cannot call this from an async context – use a thread or sync_to_async. os.environ [“DJANGO_ALLOW_ASYNC_UNSAFE\\ = “true” in settings.py is the unique solution?
What’s the difference between asynchronous and synchronous phone calls?
A timeout may be defined, so that if the service does not finish within the defined period the call is assumed to have failed and the caller continues. Asynchronous communication: The calling party initiates a service call, but does not wait for the result. The caller immediately continues with its work without caring for the result.
How to set a callback in Lightning aura?
The echo aura:method has an aura:attribute with a name of callback. This attribute enables you to set a callback that’s invoked by the aura:method after execution of the server-side action in SimpleServerSideController. The echo aura:method invokes echo () in auraMethodController.js.
How to call a server side action in Lightning aura?
The following component contains a button that’s wired to a client-side controller echo action. SimpleServerSideController contains a method that returns a string passed in from the client-side controller.
When to use aurahandledexception in apex server?
However, the real benefit of using AuraHandledException comes when you use it in response to a system exception. For example, throw an AuraHandledException in response to catching a DML exception, instead of allowing the DML exception to propagate to your client component code.
What’s the benefit of throwing aurahandledexception in JavaScript?
The benefit of throwing AuraHandledException , instead of letting a system exception be returned, is that you have a chance to handle the exception more gracefully in your JavaScript controller code.