These are flashcards an notes made by students on topics like 'tokens', 'edge' and 'weight', originating from:

- Michael Jesse Chonoles
ISBN-10 0128096403 ISBN-13 9780128096406
1335 Flashcards & Notes
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Study Cards on tokens, edge, weight

An Edge conveys .... (how many) token(s) (either control or object) at a time
an edge conveys only one token (either control or object) at a time
However, in some circumstances, an edge may be declared to require more than one token in order to allow any tokens to pass.

How do we flag such edges?

weight=nnn where nnn is the number of required tokens or weight=some variable name
What does a Weight edge does?
The edge holds on to the tokens until the required number of tokens arrive—then, they are delivered to the target node.

If the required number of tokens never arrives, the held tokens are lost.
When is the Weight feature been used?
The weight feature is typically used after some token source that may generate multiple tokens on its own, such as after a Wait for Time Event or Wait for Message Event.
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