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R2019 / 1:Mc

Activity Execution is pushing exactly one Wave

Wave is being pushed by exactly one ClassA

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An Activity executes as a succession of one or more Waves. Each Wave pushes input data through one or more Actions to produce outputs. Only one Wave executes at a time and we need to keep track of which Wave is currently pushing data through the Activity's data flows.

Since a Wave is defined on an Activity and the same Activity could be executing for multiple Instances, we know that the same Wave might be processing for more than one Instance.