System Methods

The following are methods for System. All methods are static.

• abortJob(String)
  Stops the specified job. The stopped job is still visible in the job queue in the Salesforce user interface.
• assert(Boolean, Object)
  Asserts that the specified condition is true. If it is not, a fatal error is returned that causes code execution to halt.
• assertEquals(Object, Object, Object)
  Asserts that the first two arguments are the same. If they are not, a fatal error is returned that causes code execution to halt.
• assertNotEquals(Object, Object, Object)
  Asserts that the first two arguments are different. If they are the same, a fatal error is returned that causes code execution to halt.
• currentPageReference()
  Returns a reference to the current page. This is used with Visualforce pages.
• currentTimeMillis()
  Returns the current time in milliseconds, which is expressed as the difference between the current time and midnight, January 1, 1970 UTC.
• debug(Object)
  Writes the specified message, in string format, to the execution debug log. The DEBUG log level is used.
• debug(LoggingLevel, Object)
  Writes the specified message, in string format, to the execution debug log with the specified log level.
• enqueueJob(Object)
  Adds a job to the Apex job queue that corresponds to the specified queueable class and returns the job ID.
• equals(Object, Object)
  Returns true if both arguments are equal. Otherwise, returns false.
• getApplicationReadWriteMode()
  Returns the read write mode set for an organization during Salesforce.com upgrades and downtimes.
• hashCode(Object)
  Returns the hash code of the specified object.
• isBatch()
  Returns true if the currently executing code is invoked by a batch Apex job; false otherwise.
• isFuture()
  Returns true if the currently executing code is invoked by code contained in a method annotated with future; false otherwise.
• isScheduled()
  Returns true if the currently executing code is invoked by a scheduled Apex job; false otherwise.
• now()
  Returns the current date and time in the GMT time zone.
• process(List<Ids>, String, String, String)
  Processes the list of work item IDs.
• purgeOldAsyncJobs(Date)
  Deletes asynchronous Apex job records for jobs that have finished execution before the specified date with a Completed, Aborted, or Failed status, and returns the number of records deleted.
• requestVersion()
  Returns a two-part version that contains the major and minor version numbers of a package.
• resetPassword(ID, Boolean)
  Resets the password for the specified user.
• runAs(System.Version)
  Changes the current package version to the package version specified in the argument.
• runAs(User)
  Changes the current user to the specified user.
• schedule(String, String, Object)
  Use schedule with an Apex class that implements the Schedulable interface to schedule the class to run at the time specified by a Cron expression.
• scheduleBatch(Database.Batchable, String, Integer)
  Schedules a batch job to run once in the future after the specified time interval and with the specified job name.
• scheduleBatch(Database.Batchable, String, Integer, Integer)
  Schedules a batch job to run once in the future after the specified the time interval, with the specified job name and scope size. Returns the scheduled job ID (CronTrigger ID).
• setPassword(ID, String)
  Sets the password for the specified user.
• submit(List<ID>, String, String)
  Submits the processed approvals. The current user is the submitter and the entry criteria is evaluated for all processes applicable to the current user.
• today()
  Returns the current date in the current user's time zone.