The «nobuffer» and «ovewrwrite» stereotypes can be applied to object nodes to model whether incoming tokens are discarded if a token is already present or overwrite the existing token in the object node.
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The «nobuffer» and «ovewrwrite» stereotypes can be applied to object nodes to model whether incoming tokens are discarded if a token is already present or overwrite the existing token in the object node.
If the “IsStream” attribute of an activity parameter is true, then that parameter “may accept values while its behavior is executing” if it is an input parameter or it “may post values while the behavior is executing.”
Rate describes flow, which in SysML can be either continuous or discrete.