Patent ID: 6493599
Filing Date: 2002-12-10
Classification: G05B,G06F,H04L

Abstract:
A method of generating data for driving a manufacturing process in a manufacturing environment comprising at least one tool, the method comprising:responsive to receipt of a bar file that includes a parts list identifying components of a computer system to be built in the manufacturing environment, creating a work object corresponding to said bar file and said computer system; generating an output file that includes information for programming one or more of the components of the computer system; adding said work object to a work queue; removing said work object from said work queue and initiating an instance of a service object to perform a unit of work on said work object; responsive to completion of said performance of said unit of work, advising a control object of said completion; continuing said removing and initiating and said advising until processing is completed on said work object; contemporaneously with said removing and initiating, setting a watchdog timer for said work object; and the watchdog timer ensuring that when the work object is removed from the work queue and sent for processing by the service object, if an error occurs and processing is not completed, the work object is recovered.