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modified intro to accommodate new order and added features

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Mark Fisher 2009-08-27 00:17:08 +00:00
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spring-framework-reference/src/scheduling.xml
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"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<chapter id="scheduling">
<title>Scheduling and Thread Pooling</title>
<title>Asynchronous Execution, Scheduling, and Thread Pooling</title>
<section id="scheduling-introduction">
<title>Introduction</title>
<para>
The Spring Framework features integration classes for scheduling support. Currently, Spring
supports the <classname>Timer</classname>, part of the JDK since 1.3, and the
Quartz Scheduler (<ulink url="http://www.opensymphony.com/quartz/"/>). Both schedulers
The Spring Framework provides abstractions for asynchronous execution and scheduling of tasks
with the <interfacename>TaskExecutor</interfacename> and <interfacename>TaskScheduler</interfacename>
interfaces, respectively. Spring also features implementations of those interfaces that support
thread pools or delegation to CommonJ within an application server environment. Ultimately
the use of these implementations behind the common interfaces abstracts away the differences
between Java SE 5, Java SE 6 and Java EE environments.
</para>
<para>
Spring also features integration classes for supporting scheduling with the
<classname>Timer</classname>, part of the JDK since 1.3, and the Quartz Scheduler
(<ulink url="http://www.opensymphony.com/quartz/"/>). Both of those schedulers
are set up using a <interfacename>FactoryBean</interfacename> with optional references
to <classname>Timer</classname> or <classname>Trigger</classname> instances, respectively.
Furthermore, a convenience class for both the Quartz Scheduler and the <classname>Timer</classname> is
available that allows you to invoke a method of an existing target object
(analogous to the normal <classname>MethodInvokingFactoryBean</classname> operation).
Spring also features classes for thread pooling that abstract
away differences between Java SE 1.4, Java SE 5 and Java EE environments.
</para>
</para>
</section>
<section id="scheduling-task-executor">
<title>The Spring <interfacename>TaskExecutor</interfacename> abstraction</title>