Java Reference
In-Depth Information
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• After declaring the JNDI reference, you can then inject it by using the
@Resource
annotation as shown in the following code:
@Resource(name="concurrent/
ReportGenerator")
ManagedExecutorService
reportGenerator;
• The task to submit to the container must either implement the
java.lang.Runnable
or
java.util.concurrent.Callable
interface. The differences between these interfaces are presented in
the following table:
Runnable
Callable
Since JDK 1.0.
Since JDK 5.0.
It has
run()
method to
define task.
It has the
call()
method to define
task.
