Java J2ee Planet

What is Triggering? Ans: Web Sphere MQ enables you to start an application automatically when certain conditions on a queue are met. For example, you might want to start an application when the number of messages on a queue reaches a specified number. This facility is called triggering How many ways of Triggering? EVERY: A trigger event occurs every time that a message arrives on the application queue. Use this type of trigger if you want a serving program to process only one message, then end. FIRST: A trigger event occurs only when the number of messages on the application queue changes from zero to one. Use this type of trigger if you want a serving program to start when the first message arrives on a queue, continue until there are no more messages to process, then end. DEPTH: A trigger event occurs only when the number of messages on the application queue reaches the value of the TriggerDepth attribute. What are the Trigger types available Explain? a. Application tr...