Schedule BPEL process

BPEL: Scheduling reoccuring processes

• Implement a master process, that has a and a that is configured for the time to make the process sleepling
• Advantage: It's BPEL
• Disadvantage: As it contains a wait and some other activities that might lead to (de)hydration, you fill you database
• Use the Oracle RDBMS Job Scheduler (dbms_job package) that will start your process periodically
• Advantage: One time implemented, backed up with the DB, and pattform independend
• Disadvantage: It's bound to an Oracle DB, and you need to know at least some pl\sql, the rest is java
• Use a Timer EJB (provided with a j2ee compliant java container)
• Advantage: it's a statefull bean, so it will get saved, and revovered when the container goes down, use java to implement
• Disadvantage: Dependend on the container you are using
• Use QUARTZ, the open source scheduler
• Advantage: It's opensource and Oracle BPELPM uses it for scheduling

Quartz can handle clustering, however it requires the JDBC-Jobstore for that case. We haven’t tested it with an Weblogic cluster. Within a few weeks we’ll have a Weblogic cluster available, and we will test this asap.

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