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About the Quartz Scheduler

The schedulerQuartz module was create as a Google Summer of Code 2009 Project. A scheduler created to give extensive scheduling features to OpenMRS users. The schedulerQuartz uses OpenMRSs core schedulers Task classes to schedule its tasks.

schedulerQuartz v0.2.0 is successfully tested with OpenMRS 1.6.0 dev Build 8634. Additional information can be acquired emailing the module creator djmlog103@gmail.com or contacting the developer list dev@openmrs.org

schedulerQuartz v.0.2.0 is available in OpenMRS SVN : http://svn.openmrs.org/openmrs-modules/schedulerquartz/branch/schedulerquartz_OpenMRSV1.6/

Features

• View/manage tasks
• Create a new task
• View exact time on server while creating task
• View task details
• Start/stop tasks
• Delete tasks
• Execute a task right now
• Pause the scheduler
• Restart the scheduler
• View the log file of the scheduler (for debugging)
• View the properties of the Quartz scheduler
• Supports multiple scheduling types
  • Run a task once
  • Run tasks often (e.g. Run once every X seconds, minutes, hours, days, weekdays)
  • Run tasks every so often (e.g. Run once every week, month, year)
  • Repeat tasks on a custom schedule (e.g. Run once on Monday at 3:00am, Friday at 2:00am)
• Customizable start time (Timed, Start Immediately)
• Customizable end times (Execute Forever, Repeat n times, End at given date) note that not all scheduling types have all end types
• Ability to add properties to the running tasks
• Ability to set priority (used by Quartz to run more important tasks first)
• Ability to send task execution alerts to users
  • When a task executes
  • When a task misfires
  • When a task finished executing for the last time

Configuring the module

The schedulerQuartz module needs a set of parameters to be passed before users start using the module. These set of parameters of parameters are used to setup mail configurations in order for the module to use its email notifications features. You should save the following set of key,value pairs in your OPENMRS_RUNTIME_PROPERTIES.PROPERTIES file. Please note that the module notification service users only stmp transmission.

IMPORTANT: You cannot start the module without adding these properties to your openmrs-runtime.properties file.

Using the module

After loading the schedulerQuartz module, a new category named Quartz Scheduler will appear in the Administration section.

3.1 Module Sections

• Scheduler Manager : Create, Edit, Delete Tasks.
• Scheduler Details : Shows information about the Quartz Scheduler.
• Scheduler Log : A detailed module level log.

3.1.1 Scheduler Manager

This section allows users to Create new Tasks, Edit and Delete existing tasks.

3.1.2 Scheduler Details

The SchedulerQuartz scheduling module is created using Quartz scheduling Framework. This Section Allows you to see on what configurations the Quartz Scheduler is running on.

3.1.3 Scheduler Log

This section is intended for Task developers. This page contains all the log data produced in the module scope. The Scheduler log page is equipped with a tailing feature which would print latest lines of the log file in the given iteration time. To improve usability the module log is printed in reverse order to avoid scrolling. This means that all the current data from the log will be printed on top of the page.

4 Creating a new Task

Creating a new task is quite simple. Go to the Scheduler Manager page. Click on the Create Task button.

Clicking Create Task will bring a popup window which allows users to create new Tasks. Creating a new Task in the SchedulerQuartz Modules is so simplified that there is nothing to explain in this guide. A detailed explanation about creating tasks is given in the Create Task page.

5 Get details of a created Task and modifying

To get Additional information of a created task, visit the Scheduler manager page. And click on the Tasks title on which you to view additional information.

Click on the Tasks title will bring a popup window with a detailed page of that Task. To modify the Task just click the Edit Task link show in figure 8.

Created on: 8/17/09
Author: djmlog103