Winter '12 Force.com Platform Release
New System Methods

The following methods have been added to the System class:

• isBatch: Determines if the currently executing code is invoked by a batch Apex job.
• isFuture: Determines if the currently executing code is invoked by code contained in a method annotated with @future.
• isScheduled: Determines if the currently executing code is invoked by a scheduled Apex job.

These methods can be used to determine the execution context for Apex code.