func StartOrderAgent(order Order) error {
a := &OrderAgent{
id: ebus.Id("Order", order.OrderNo),
order: order,
openItems: make(map[int]bool),
shippedTopic: ebus.Id("WarehouseShipped", order.OrderNo),
}
_, err := ebus.Register(a)
if err != nil {
return err
}
ebus.Subscribe(a, a.shippedTopic)
// Emit a request for each order idem.
for _, item := range order.OrderItems {
a.openItems[item.ItemNo] = true
ebus.Emit(item, "WarehouseItemOrdered")
}
return nil
}
func StartWaitAgent(done chan bool) error {
a := &WaitAgent{
id: ebus.Id("Wait"),
done: done,
deliveredTopic: "OrderDelivered",
}
_, err := ebus.Register(a)
if err != nil {
return err
}
ebus.Subscribe(a, a.deliveredTopic)
return nil
}
func StartDeliveryAgent() error {
a := &DeliveryAgent{
id: ebus.Id("Delivery"),
openOrders: make(map[int]bool),
receivedTopic: "OrderReceived",
packedTopic: "OrderPacked",
}
_, err := ebus.Register(a)
if err != nil {
return err
}
ebus.Subscribe(a, a.receivedTopic)
ebus.Subscribe(a, a.packedTopic)
return nil
}
func StartManufacturerAgent() error {
a := &ManufacturerAgent{
id: ebus.Id("Manufacturer"),
openOrders: make(map[int]int),
orderedTopic: "ManufacturerItemOrdered",
manufacturedTopic: "OrderedItemsManufactured",
}
_, err := ebus.Register(a)
if err != nil {
return err
}
ebus.AddTicker("Manufacturing", time.Second, a.manufacturedTopic)
ebus.Subscribe(a, a.orderedTopic)
ebus.Subscribe(a, a.manufacturedTopic)
return nil
}
func StartWarehouseAgent() error {
a := &WarehouseAgent{
id: ebus.Id("Warehouse"),
inventory: make(map[int]int),
openOrders: make(map[int]map[int]OrderItem),
orderedTopic: "WarehouseItemOrdered",
shippedTopic: "ManufacturingShipped",
preparedTopic: "OrderItemsPrepared",
}
_, err := ebus.Register(a)
if err != nil {
return err
}
ebus.AddTicker("Warehouse", time.Second, a.preparedTopic)
ebus.Subscribe(a, a.orderedTopic)
ebus.Subscribe(a, a.shippedTopic)
ebus.Subscribe(a, a.preparedTopic)
return nil
}