Quartz Cookbook

The purpose of this chapter is to provide a set of examples and solutions for situations that are frequently encountered when building Quartz applications. This chapter can serve as a reference and supplement to the rest of the book material.

Scheduling in the Enterprise

What Is Job Scheduling?
Why job Scheduling Is Important
Uses for Job Schedulers in the Enterprise
Uses for Job Schedulers in NonEnterprise
Job scheduling Versus Workflow
What about Alternative Solutions?

Getting Started with Quartz

Getting Started with Quartz
History of the Quartz Framework
Downloading and Installing Quartz
Building Quartz from Source
Getting Help from the Quartz Community
Whos Using Quartz?

Hello, Quartz

Hello, Quartz
The Hello, World Quartz Project
Scheduling the Quartz ScanDirectoryJob
Scheduling a Quartz Job Declaratively
Packaging the Quartz Application

Scheduling Jobs

Scheduling Jobs
The Quartz Scheduler
The Quartz SchedulerFactory
Managing the Scheduler
Managing Jobs
Volatility, Durability, and Recoverability
Quick Java Thread Overview
Thread Usage in Quartz
Understanding Quartz Triggers

Cron Triggers and More

Cron Triggers and More
Quick Lesson in Cron
Using the Quartz CronTrigger
The Cron Expression Format
Using Start and End Dates with CronTrigger
Using TriggerUtils with the CronTrigger
Using CronTriggers in the JobInitializationPlugin
Cron Expressions Cookbook
Creating a Fire-Now Trigger

JobStores and Persistence

JobStores and Persistence
Job Storage
Job Storage in Quartz
Using Memory to Store Scheduler Information
Using Persistent JobStores
Using the Database for Job Storage
Creating the Quartz Database Structure
Using JobStoreTX
Configuring a DataSource for JobStoreTX
Running Quartz with JobStoreTX
Using Memory to Store Scheduler Information
Using the JobStoreCMT
Configuring Datasources for JobStoreCMT
Improving Performance with Persistent JobStores
Creating New JobStores

Implementing Quartz Listeners

Implementing Quartz Listeners
Listeners as Extension Points
Implementing a Listener
Listening for Job Events
Listening for Trigger Events
Listening for Scheduler Events
Using the FileScanListener
Implementing Listeners in the quartz_jobs.xml File
Thread Use in Listeners
Uses of the Quartz Listeners

Using Quartz Plug-Ins

Using Quartz Plug-Ins
What Is a Plug-In?
Creating a Quartz Plug-In
Registering Your Plug-Ins
Using Multiple Plug-Ins
Quartz Utility Plug-Ins

Using Quartz Remotely

Using Quartz Remotely
Why RMI with Quartz?
Brief Overview of Java RMI
Requirements of RMI
Creating a Quartz RMI Server
Using the RMI Registry
Creating the RMI Client
Testing the RMI Server and Client

Using Quartz with J2EE

Using Quartz with J2EE
If I Have J2EE, Why Do I Need Quartz?
Using the J2EE Containers DataSource
Using Other J2EE Resources
The EJB 2.1 Specification: Finally Some Light

Clustering Quartz

Clustering Quartz
What Does Clustering Mean to Quartz?
How Clustering Works in Quartz
Configuring Quartz to Use Clustering
Running the Quartz Cluster Nodes
Quartz Clustering Cookbook

Quartz Cookbook

Quartz Cookbook
Working with the Scheduler
Working with Jobs

Quartz and Web Applications

Quartz and Web Applications
Using Quartz Within a Web Application
Integrating Quartz
Using Quartz with the Struts Framework
The QuartzInitializerServlet to the Rescue
Using a ServletContextListener
Introducing the Quartz Web Application

Using Quartz with Workflow

Using Quartz with Workflow
What Is Workflow?
Job Chaining in Quartz
Quick Introduction to OSWorkflow
Integration of Quartz with OSWorkflow
Creating a Workflow Job
Conclusion

Appendix A. Quartz Configuration Reference

Appendix A. Quartz Configuration Reference
The Main Quartz Properties
Configuring the Quartz ThreadPool
Configuring Quartz Listeners
Configuring a TriggerListener
Configuring Quartz Plug-Ins
Configuring Quartz RMI Settings
Configuring JobStore Settings
Configuring the JobStoreTX JobStore
Configuring JobStoreCMT
Configuring Quartz Datasources
Configuring a Datasource Using a Custom ConnectionProvider