Queue - Mendix App Store

Queue

Welcome to the Mendix Queue module. This module can be used in Mendix apps to run jobs in single or multi threaded job queues. Major differences with the Process Queue: - 7,4 times faster (see https://testqueueperforman.mxapps.io/) - Retry mechanism can be defined by the user (exponential backoff algorithm) - Support of queue control when using clustered runtime (set CLUSTER_SUPPORT constant) - Minimum database interactions are implemented to increase performance (no persistent Queue and Process entities, no execution log by default) - Jobs can be scheduled using a pre-configured delay in a user-defined time unit - The microflow to run can be configured in the Job (no process definition necessary) - Queued jobs can be removed from the queue (cancelled) - Running jobs can be aborted -> status set to cancelled - In case of an error while running the Job, the error handling behavior specified in the microflow is applied (Process Queue performs a rollback by default). An error without rollback will result in the changes being committed, but the Job receiving the status Error - Java code is unit tested, resulting in cleaner code (check for number of invokations of methods) and assuring less bugs in future releases Check the demo application at https://queue100.mxapps.io and login using demo_user and hXPC3NKz49. Known issue: when CLUSTER_SUPPORT is enabled, do not add Jobs to the Queue during the After startup microflow. It cannot find the xasInstance object. Support ticket has been filed.
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Queue logo5 stars, based on 8 votes
2018-12-17
5/5stars
Very easy to implement. Great for queuing events for an application.