abstract type UniqueEventsSynchronizer <: EventSynchronizer end abstract type ScheduledInfoSynchronizer <: UniqueEventsSynchronizer end const SInfoSynchronizer = ScheduledInfoSynchronizer mutable struct UnqEvntSynchronizer{Time} <: UniqueEventsSynchronizer currEvent::Event currTime::Time prevTime::Time eventList::PriorityQueue{Event, Time} end mutable struct TimeInfoSynchronizer{Time} <: ScheduledInfoSynchronizer currEvent::Event currTime::Time prevTime::Time eventTime::Dict{Event, Time} eventList::PriorityQueue{Event, Time} end mutable struct EventInfoSynchronizer{Time, Info} <: ScheduledInfoSynchronizer currEvent::Event currTime::Time prevTime::Time eventInfo::Dict{Event, Info} eventList::PriorityQueue{Event, Time} end postedtimelist(s::SInfoSynchronizer) = s.eventTime postedtime(s::SInfoSynchronizer) = postedtime(s, currevent(s)) postedtime(s::SInfoSynchronizer, ev::Event) = postedtime(s)[ev] postedtime!(s::SInfoSynchronizer, postedTime) = postedtime!(s, currevent(s), postedTime) postedtime!(s::SInfoSynchronizer, ev::Event, postedTime) = ( postedtime(s)[ev] = postedTime ) function time(s::SInfoSynchronizer, symbol::Symbol) if (symbol === :prev) prevtime(s) elseif (s === :posted) postedtime(s) elseif (s === :curr) currtime(s) else error("Symbol must be one of :prev, :posted or :curr. Symbol $symbol used instead") end end postedtime!(s::TimeInfoSynchronizer, event::Event) = ( postedtimelist(s)[event] = time(s) ) postedtime!(s::TimeInfoSynchronizer, event::Event, ∆t) = ( postedtimelist(s)[event] = time(s) + ∆t ) function post(s::TimeInfoSynchronizer, event::Event, ∆t) postedtime!(s, event) enqueue!(eventslist(s), event, ∆t + time(s)) end