Singleton Session EJB: Difference between revisions

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==Overview==
==Overview==
A ''singleton session bean'' is a component that is instantiated once per application. For distributed applications that span multiple VMs, each application will have on singleton session bean instance ''per JVM''. The instances are intended to be shard, and must support concurrent access.


==Lifecycle==
==Lifecycle==

Revision as of 18:43, 27 April 2017

Internal

Concepts

Overview

A singleton session bean is a component that is instantiated once per application. For distributed applications that span multiple VMs, each application will have on singleton session bean instance per JVM. The instances are intended to be shard, and must support concurrent access.

Lifecycle

Dependencies between Singletons

Transactional Behavior

Concurrency

Also see

EJB Concepts - Concurrency

Interceptors