| Paradigm | multi-paradigm: object-oriented, distributed, Dataflow |
|---|---|
| Designed by | E. Dean Tribble |
| First appeared | 1996 |
| Typing discipline | untyped |
| Influenced by | |
| Concurrent Logic Programming, Actors | |
| Influenced | |
| E | |
Joule is a capability-secure massively-concurrent dataflow programming language, designed for building distributed applications.[1] It is so concurrent that the order of statements within a block is irrelevant to the operation of the block. Statements are executed whenever possible, based on their inputs. Everything in Joule happens by sending messages. There is no control flow. Instead, the programmer describes the flow of data, making it a dataflow programming language.[citation needed]
Joule development started in 1994 at Agorics in Palo Alto, California.[2] It is considered the precursor to the E programming language.[3][4]
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E's debt to Joule cannot be overstated.
The E programming language was largely inspired by the language Joule, currently being developed by Dean Tribble, Norm Hardy, and their colleagues at Agorics, Inc.