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InterviewSolution
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What is a timer service in EJB? |
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Answer» Timer Service is a mechanism using which scheduled application can be build. For example, salary slip generation on 1st of every month. EJB 3.0 specification has specified Timeout annotation which helps in programming the ejb service in a stateless or message driven bean. EJB Container calls the method which is annotated by Timeout. EJB Timer Service is a service provided by Ejb container which helps to create timer and to schedule callback when timer expires. |
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