Three kinds of Spot — what creates them

A different party creates each one, which decides who names the id and which callbacks arrive

Three kinds of Spot — what creates them A different party creates each one, which decides who names the id and which callbacks arrive Framework · Object Server startup · Architecture component Framework Object Server startup application · creates via spot manager · Architecture component application creates via spot manager first message · arrives for that id · Architecture component first message arrives for that id Entry Spot · one per Object Server · Architecture component Entry Spot one per Object Server User Spot · room · stage · zone · Architecture component User Spot room · stage · zone Instance Spot · a unit of work per id · Architecture component Instance Spot a unit of work per id created at startup create one arrival is creation

The creator decides the rest

  • • An Entry Spot, created by the Framework, has no stable type and no place to refuse creation.
  • • An Instance Spot has no create call. The first message selects or creates the instance and is then handled by it.