ios - Why is Swinject model class registered without ".inObjectScope( .Container )" producing a singleton? -


this question people lot of experience of swinject swift.

i show problematic code, , question @ bottom.

there's quite lot of code, sorry that.

this myswinjectstoryboard.swift registration:

import swinject  extension swinjectstoryboard {     class func setup ()     {         defaultcontainer.register( stopwatch.self )         {             responder in stopwatch(                  signals: responder.resolve( signalsservice.self )!              )         }          defaultcontainer.register( signalsservice.self )          {              _ in signalsservice()          }.inobjectscope( .container )          defaultcontainer.register( imageservice.self )         {             responder in imageservice(                 signals: responder.resolve( signalsservice.self )!                 , stopwatch: responder.resolve( stopwatch.self )!             )         }.inobjectscope( .container )          defaultcontainer.registerforstoryboard( startupviewcontroller.self )         {             resolvable, viewcontroller in             viewcontroller.stopwatch = resolvable.resolve( stopwatch.self )!             viewcontroller.image = resolvable.resolve( imageservice.self )!         }     } } 

this stopwatch.swift, pauses while before firing oncomplete handler:

import foundation  class stopwatch: stopwatchprotocol {     var key: string { return "stopwatch_\( _key ).complete" }      private var     _signals: signalsprotocol     , _key: uint16     , _timer: nstimer?     , _data: anyobject?      func startwith (          delay delay: double         , forlistener closure: ( string, any? ) -> void      ){         _data = nil         _startwith( delay: delay, forlistener: closure )     }      func stop ()     {         guard let timer = _timer else { return }         timer.invalidate()         _timer = nil         _data = nil     }      private func _startwith (          delay delay: double         , forlistener closure: ( string, any? ) -> void      ){         stop()          _timer = nstimer.scheduledtimerwithtimeinterval(             nstimeinterval( delay )             , target: self             , selector: #selector( _ontimercomplete )             , userinfo: nil             , repeats: false         )     }      @objc private func _ontimercomplete ()     {         stop()         print( "stopwatch key `\( key )` complete." )     }      required init ( signals: signalsprotocol )     {         _signals = signals         _key = getprimarykey()         print( "primary key: \( _key )" )     } } 

imageservice.swift presently accepts signals , stopwatch property via init function:

protocol imageprotocol {}  class imageservice: imageprotocol {     private let   _signals: signalsprotocol     , _stopwatch: stopwatchprotocol      required init (      signals: signalsprotocol     , stopwatch: stopwatchprotocol    ){         _signals = signals         _stopwatch = stopwatch          lo( "imageservice key: \( _stopwatch.key )" )     } } 

signalsservice.swift empty model class:

protocol signalsprotocol {}  class signalsservice: signalsprotocol {} 

whilst startupviewcontroller.swift basic uiviewcontroller accepts injected properties:

import uikit  class startupviewcontroller: uiviewcontroller {     var image: imageservice? {          willset {              guard _image == nil else { return }             _image = newvalue         }     }      var signals: signalsservice? {          willset {              guard _signals == nil else { return }             _signals = newvalue          }     }      var stopwatch: stopwatchprotocol? {          willset {              guard _stopwatch == nil else { return }             _stopwatch = newvalue             print( "startupviewcontroller key: \( _stopwatch.key )" )          }      }      internal var     _image: imageservice!     , _signals: signalsservice!     , _stopwatch: stopwatch!     } 

and getprivatekey() global static, returning unique ints:

private var _primarykey = uint16( 0 )  func getprimarykey () -> uint16 {     _primarykey += 1     return _primarykey } 

now understand it, way have registered stopwatch.swift in myswinjectstoryboard.swift means each time instance injected, new, discrete instance. however, both imageservice.swift , startupviewcontroller.swift being injected same instance:

startupviewcontroller key: stopwatch_2.complete imageservice key: stopwatch_2.complete 

imageservice's key ought be:

imageservice key: stopwatch_3.complete 

does know why happening, please? thank you.

default scope services .graph. documentation:

with objectscope.graph, instance created, in objectscope.none, if directly call resolve method of container, instances resolved in factory closures shared during resolution of root instance construct object graph.

if want unique instance created each reference during object graph resolution, should use object scope .none, i.e.

defaultcontainer.register(stopwatch.self) { resolver in      stopwatch(signals: resolver.resolve(signalsservice.self)!) }.inobjectscope(.none) 

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