TCD-CS-93-36... McHugh, C. & Cahill, V..
Eiffel**: An Implementation of Eiffel on Amadeus, a
Distributed Applications Support Environment
Colm McHugh and Vinny Cahill
Distributed Systems Group, Dept. of Computer Science, Trinity
College, Dublin 2, Ireland.
Eiffel** is an implementation of Eiffel which provides support for
distribution, persistent, concurrency and transactions. All objects in
an Eiffel** system are global (i.e. accessible from nodes other than
that at which they are currently located) and persistent (i.e. their
lifetimes are not bounded by the duration of the program
that created them). Some objects may also be atomic (i.e. accesses to
these objects within atomic transactions provide the well-known
transactional properties of atomicity, consistency, isolation and
durability in the face of concurrent execution and partial failures).
Eiffel** is supported by the Amadeus distributed application support
platform. In this paper we describe the Eiffel** language and its
implementation on Amadeus. We believe that the combination of the
Eiffel programming model and the support provided by the Amadeus
platform provide a useful environment for the construction of
sophisticated distributed applications.
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