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. | 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 [[#Concurrency|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