Utilize Quartz to Implement Scheduling Service

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Utilize Quartz to Implement Scheduling Service

Albert [email protected]

+Agenda

Scenario

Quartz

Implementation Process define job class define scheduler

create a simple, RAM-based scheduler create a job which is schedule to run at specific time

every day register job to scheduler The scheduler is then started

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Resume RepositoryResume

Repository

Scenario

Transfer resume to HTC once a day

Recruiting System

Retrieve resume from resume repository once a day

+Quartz

What is Quartz Quartz is a full-featured, open source job scheduling system

that can be integrated with, or used along side virtually 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 includes many enterprise-class features, such as JTA transactions and clustering.

http://www.opensymphony.com/quartz/

+Implementation Process

+Job & Scheduler Class

Define your job in this class

Define your scheduling service in this servletclass

+Job Class

Define job execution stuff into execute method

+Scheduler

+Define Schedule Servlet in web.xml

+Check Console