Process Developer > Part II: Creating and Modifying Processes > BPMN Tasks and Events > BPMN-to-BPEL Implementation of Tasks and Events
  

BPMN-to-BPEL Implementation of Tasks and Events

In many cases, a BPMN element can be implemented as one or more BPEL activities, described in the tables below, which are the following BPMN types: tasks, throw events, and catch events.
For additional implementations, see BPMN-to-BPEL Implementation of Gateways and Control Flow.
Tasks
BPMN Task
BPEL Implementations
Service
Invoke
User
People activity, task type
Script
Assign
Rule
Invoke
Suspend
Suspend
Validate
Validate
Abstract
Empty
Manual
  • - Empty
  • - People activity, task type
Send
  • - Invoke
  • - Reply
  • - People activity, notification type
Receive
Receive
Throw Events
BPMN Throw Event
BPEL Implementation
None/Start/End
  • - Empty
  • - Assign
Message
  • - Reply
  • - Invoke
  • - People activity, notification type
Error
  • - Throw
  • - Rethrow
Compensate
  • - Compensate
  • - Compensate Scope
Terminate
  • - Exit
  • - Break, implemented in a forEach
Catch Events
Any catch event can be dropped onto an activity's boundary to create a boundary event, or into a scope (event subprocess) to create a handler.
BPMN Catch Event
BPEL Implementation
Timer
  • - Wait
  • - OnAlarm for pick or event handler
Message
  • - Receive
  • - OnMessage for pick
  • - OnEvent for event handler
Error
  • - Catch
  • - Catch all
Compensation
Scope compensation handler
Cancel
Scope termination handler