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FunctionFoundry.Scheduling

Advanced interval, calendar, and dependency scheduling.

What this product does

It computes when things can happen using interval algebra, calendars, recurring availability, and critical-path analysis.

1. Interval-set algebra (IntervalSetAlgebra)

Exact set operations on intervals:

  • union, intersection, difference
  • complement within a boundary
  • open and closed endpoints
  • normalization and deterministic ordering
  • efficient handling of large sorted interval sets

2. Recurring availability resolver (RecurringAvailabilityResolver)

Finds meeting / slot candidates across participants:

  • time zones and DST transitions
  • recurring local-time windows and exceptions
  • minimum duration constraints
  • ranked candidate windows
  • explicit policies for ambiguous / invalid local times

3. Business calendar (BusinessCalendar)

Working-time math without a hard-coded global holiday database:

  • working days and split working hours
  • holidays / closures supplied as region-independent inputs
  • add or subtract working duration
  • explainable calculation path

4. Critical-path scheduler (CriticalPathScheduler)

Schedules dependency graphs:

  • cycle validation with an actual reported cycle
  • earliest / latest start, slack, and critical path
  • optional resource-capacity heuristic
  • clearly marks when a heuristic result is not globally optimal

When to use it

  • Calendar math for SLAs and maintenance windows
  • Multi-timezone meeting finders
  • Project / workflow planning with dependencies
  • Working-hours deadline calculation

Non-goals

  • Embedding a complete worldwide holiday catalog
  • Guaranteeing globally optimal resource leveling when heuristics are used

Install

dotnet add package FunctionFoundry.Scheduling

Runtime dependencies

None beyond the .NET shared framework.