Javadoc
This method is called by the container each time a new client
connects to the logical endpoint this configurator configures.
Developers may override this method to control instantiation of
endpoint instances in order to customize the initialization
of the endpoint instance, or manage them in some other way.
If the developer overrides this method, services like
dependency injection that are otherwise supported, for example, when
the implementation is part of the Java EE platform
may not be available.
The platform default implementation of this method returns a new
endpoint instance per call, thereby ensuring that there is one
endpoint instance per client, the default deployment cardinality.