java.rmi.activation.ActivationInstantiator |
Known Indirect Subclasses
ActivationGroup |
An ActivationGroup is responsible for creating new
instances of "activatable" objects in its group, informing its
ActivationMonitor when either: its object's become
active or inactive, or the group as a whole becomes inactive. |
ActivationGroupImpl |
The default activation group implementation. |
|
Class Overview
An ActivationInstantiator
is responsible for creating
instances of "activatable" objects. A concrete subclass of
ActivationGroup
implements the newInstance
method to handle creating objects within the group.
Public Methods
The activator calls an instantiator's newInstance
method in order to recreate in that group an object with the
activation identifier, id
, and descriptor,
desc
. The instantiator is responsible for:
- determining the class for the object using the descriptor's
getClassName
method,
- loading the class from the code location obtained from the
descriptor (using the
getLocation
method),
- creating an instance of the class by invoking the special
"activation" constructor of the object's class that takes two
arguments: the object's
ActivationID
, and the
MarshalledObject
containing object specific
initialization data, and
- returning a MarshalledObject containing the stub for the
remote object it created
Parameters
id
| the object's activation identifier |
desc
| the object's descriptor |
Returns
- a marshalled object containing the serialized
representation of remote object's stub