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What can you do with custom exceptions in apex?
But with custom exceptions, you can throw and catch them in your methods. Custom exceptions enable you to specify detailed error messages and have more custom error handling in your catch blocks. Exceptions can be top-level classes, that is, they can have member variables, methods and constructors, they can implement interfaces, and so on.
What causes a delay in response time in apex?
Users experience less of a delay in response time if errors are added to before triggers. If the trigger was spawned by a DML statement in Apex, any one error results in the entire operation rolling back. However, the runtime engine still processes every record in the operation to compile a comprehensive list of errors.
When to use a trigger exception in DML?
Trigger Exceptions Triggers can be used to prevent DML operations from occurring by calling the addError() method on a record or field. When used on Trigger.new records in insert and update triggers, and on Trigger.old records in delete triggers, the custom error message is displayed in the application interface and logged.
Can You rethrow an exception as an inner exception?
You can rethrow the caught exception as an inner exception in your custom exception and have the main method catch your custom exception type. The following example shows how to rethrow an exception as an inner exception.
What happens when an unhandled exception occurs in apex?
When unhandled Apex exceptions occur, emails are sent that include the Apex stack trace, exception message, and the customer’s org and user ID. No other data is returned with the report. Unhandled exception emails are sent by default to the developer specified in the LastModifiedBy field on the failing class or trigger.
When to use hashCode and equals in apex?
Given the following Apex class, which implements equals () and hashCode () as per the Using Custom Types in Map Keys and Sets documentation:
How to get email notifications for apex exceptions?
In addition, you can have emails sent to users of your Salesforce org and to arbitrary email addresses. These email recipients can also receive process or flow error emails. To set up these email notifications, from Setup, enter Apex Exception Email in the Quick Find box, then select Apex Exception Email.