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java.rmi.activation
Interface ActivationInstantiator
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All Superinterfaces:
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Remote
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All Known Implementing Classes:
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ActivationGroup
,
ActivationGroup_Stub
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public interface ActivationInstantiator
- extends Remote
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.
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Since:
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1.2
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See Also:
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ActivationGroup
Method Summary
|
MarshalledObject
<? extends
Remote
|
newInstance
(
ActivationID
id,
ActivationDesc
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. |
newInstance
MarshalledObject
<? extends
Remote
> newInstance(ActivationID id,
ActivationDesc desc)
throws ActivationException,
RemoteException
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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:
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determining the class for the object using the descriptor's getClassName method,
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loading the class from the code location obtained from the descriptor (using the getLocation method),
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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
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returning a MarshalledObject containing the stub for the remote object it created
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Parameters:
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id - the object's activation identifier
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desc - the object's descriptor
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Returns:
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a marshalled object containing the serialized representation of remote object's stub
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Throws:
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ActivationException
- if object activation fails
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RemoteException
- if remote call fails
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Since:
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1.2