Page Comparison

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• Joins pizza_deliveries table with the overdueDeliveries stream (the alias overdueStream is used for convenience here)
• Uses a join operation to compare each event in the event table (pizza_deliveries) with each incoming event from overdueDeliveries stream
  Note that,
  
  • Events received through the overdueDeliveries arrive 30 seconds after the actual order happens
  • A result of this join operation indicates (since we match the order ids) that the order is already delivered within 30 seconds
• Inserts the successful delivery information to the deliveredOrders stream, which can be used to monitor the status of orders

Prerequisites

See Prerequisites in CEP Samples Setup page.

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Start the WSO2 CEP server with the sample configuration numbered 0108. For instructions, see Starting sample CEP configurations. This sample configuration does the following:

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