func (start) Start(dbDir string, cacheSize int) circuit.XPerm {
srv, err := New(dbDir, cacheSize)
if err != nil {
panic(err)
}
circuit.Listen("vena", srv)
circuit.Daemonize(func() { <-(chan int)(nil) })
return circuit.PermRef(srv)
}
// StartReducer.Start is a worker function that initializes a new Reducer and
// returns a cross-runtime pointer to it
func (StartReducer) Start() circuit.X {
r := &Reducer{} // Create a new reducer object
r.m = make(map[int64]*Post) // Create the map holding the posts, indexed by ID
circuit.Listen("reducer-service", r) // Register Reducer as public service that can be accessed on this worker
circuit.Daemonize(func() {
r.maintainTop() // Start a background goroutine that maintains the top ten posts on this reducer
})
return circuit.Ref(r) // Make the pointer to the Reducer object exportable and return it
}
func (StartReducer) Start() circuit.X {
r := &Reducer{}
r.m = make(map[int64]*SlidingPost)
r.rank = llrb.New(SlidingPostLess)
circuit.Listen("reducer-service", r)
circuit.Daemonize(func() {
r.maintainTop()
})
return circuit.Ref(r)
}
