predecessor_to

(function from pyomo.contrib.cp.scheduling_expr.sequence_expressions)

pyomo.contrib.cp.scheduling_expr.sequence_expressions.predecessor_to(before_var, after_var, sequence_var)[source]

Creates a new PredecessorToExpression

Requires that ‘before_var’ be a direct predecessor to ‘after_var’ in the sequence specified by ‘sequence_var’, if both are scheduled

Parameters:

  • before_var (IntervalVar) – The activity that should be scheduled as the predecessor

  • after_var (IntervalVar) – The activity that should be scheduled as the successor

  • sequence_var (SequenceVar) – The sequence of activities