Entity Queue and Entity Server blocks are storage blocks that hold entities. The Entity Queue block stores and sorts the entities according to the queue policies. You can specify the number of entities that the queue can store simultaneously. The Entity Server block stores the entities, services them, and then attempts to output the entities. You can use the SimEvents® software to model basic or complex queueing and server systems. For more information, see Storage with Queues and Servers.
What storage represents in various application types.
Suppose that you are modeling a queue that can physically hold 100 entities and you want to determine what proportion of the time the queue length exceeds 10.
What events represent in various application types.
Using attribute values to control the queue discipline.
This example shows how to force service completion in an Entity Server block using functionality available on the block Preemption tab.
Using queue length signal to determine whether a queue is empty or nonempty.
Using Stateflow® charts to model the behavior of a server that requires maintenance.