The goals for supporting distributed objects in the Java
programming language are:
- Support seamless remote invocation
on objects in different virtual machines
- Support callbacks from servers to
applets
- Integrate the distributed object
model into the Java programming language in a natural way while
retaining most of the Java programming language's object
semantics
- Make differences between the
distributed object model and local Java platform's object model
apparent
- Make writing reliable distributed
applications as simple as possible
- Preserve the type-safety provided by
the Java platform's runtime environment
- Support various reference semantics
for remote objects; for example live (nonpersistent) references,
persistent references, and lazy activation
- Maintain the safe environment of the
Java platform provided by security managers and class loaders
Underlying all these goals is a general requirement that the RMI
model be both simple (easy to use) and natural (fits well in the
language).
The first two chapters in this specification describe the
distributed object model for the Java programming language and the
system overview. The remaining chapters describe the RMI client and
server visible APIs which are part of the Java SE platform.
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