Sams Teach Yourself J2EE™ in 21 Days, Second Edition

Exercise

To extend your knowledge of MDBs, try the following exercise.

1. Extend the Agency case study. Add an MDB called JobMatch that receives a messages from the Advertise and AdvertiseJob Session beans when a job is created, deleted or modified. The MDB should search through all the applicants to find those suitable to be considered for the job. To be considered for a job, the applicant must match the job's:

   • Location

   • At least one skill

   If the applicant has all the required skills, set exactMatch to true; otherwise, false.

   All applicants that match at least one skill must be added to the Matched table. Use the message queue jms/jobMatch for your enhancements because you cannot use the same queue as the one used in the Applicant example. This queue ...