Book Image

Learning Informatica PowerCenter 9.x

By : Rahul Malewar
Book Image

Learning Informatica PowerCenter 9.x

By: Rahul Malewar

Overview of this book

Table of Contents (18 chapters)
Learning Informatica PowerCenter 9.x
Credits
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
Index

Event tasks – event wait and event raise


An event is simply a functionality that you wish to implement in a workflow. Informatica PowerCenter has some system-defined events, and you can define user-defined events as well.

There are two types of events:

  • The Event Wait task: This is the task that waits for a particular event to occur. You can define the event for which the Event Wait task should wait. Once triggered, the Event Wait task will wait infinitely for the specified event. As soon the event occurs, the Event Wait succeeds and triggers the next task in the workflow.

    In the Event Wait task, you can define system-defined events (predefined events) or user-defined events.

  • Event Raise task: As opposed to Event Wait, the Event Raise task triggers a particular event in the workflow.

    You can define only user-defined events in the Event Raise task.

Informatica PowerCenter events can be of two types—predefined or user-defined:

  • Predefined events: These are also referred to as system-defined events...