What is quartz? (What is quartz ?)

What is quartz? (What is quartz ?)
Quartz is a full-featured, open source job scheduling system that can be integrated, or used along side implements ally any J2EE or j2se application-from the smallest stand-alone application to the largest e-commerce system. quartz can be used to create simple or complex schedules for executing tens, hundreds, or even tens-of-thousands of jobs; jobs whose tasks are defined as standard Java components or ejbs. the quartz scheduler des has enterprise-class features, such as JTA transactions and clustering.

Quartz is a fully functional and open-source job time scheduling system that can be combined or accompanied by any virtual J2EE or j2seProgram-From the smallest independent application to the largest e-commerce system. Quartz can be used to create simple or complex time scheduling to execute jobs of 10, hundreds, thousands, or even tens of thousands. The obtained job is defined as a standard Java component or ejbs. this quartz Time Scheduling contains many enterprise-class features, such as JTA transactions and clusters.

The licensing of quartz versions 1.0 through 1.4.5 is similar to both the BSD and ASF (APACHE) Public Licenses, which means it's free for use, even within implements cial products.

From quartz 1.0 to 1.4.5, licensing is similar to BSD and ASF (APACHE) Public Licenses. It means that it can be used for free and even in commercial products.
With the upcoming release of version 1.5.0, quartz is moving to the Apache 2.0 license.
With the release of version 1.5.0, quartz will be transferred to the license of Apache 2.0.

What can quartz do for you? (What Can quartz do for you ?)
If your application has tasks that need to occur at given moments in time, or if your system has recurring maintenance jobs then quartz may be your ideal solution.

If your program has such a task, it needs to happen at a given time, or if your system has continuous maintenance jobs, then quartz can be your ideal solution.

Sample uses of Job Scheduling with quartz:
Example of job Time Scheduling in quartz

Driving workflow: as a new order is initially placed, schedule a job to fire in exactly 2 hours, that will check the status of that order, and trigger a warning notification if an order confirmation message has not yet been received ed for the order, as well as changing the order's status to 'awaiting intervention '.
System Maintenance: Schedule a job to dump the contents of a database into an XML file every Business Day (all weekdays before t holidays).

Workflow-driven: It is initialized and placed as a new order. When a job is scheduled to work for exactly two hours, it will check the order status, A warning notification is triggered. If the order confirmation information is not received, the status of the Order is changed to "waiting for interference ".
System Maintenance: Schedule a job to convert the database into XML files on every business Date (all weekends except holidays) at pm.