buildBinding method

@override void buildBinding()

Bir map yap buildde Bu mapde callingler bulunsun

Implementation

@override
void buildBinding() {
  super.buildBinding();
  var _callings = <PathSegment, Binding>{};
  PathSegment? arg;
  for (var child in children) {
    var _childCalling = child.visitCallingChildren(TreeVisitor((visitor) {
      if (visitor.currentValue is GatewayCalling) {
        visitor.stop();
        return;
      }
      if (visitor.currentValue is RouteCalling) {
        visitor.stop();
      }
    }));
    if (_childCalling.result == null) {
      throw UnsupportedError("Each Gateway child (or Service child) must have"
          "[Route] in the tree."
          "\nwhere: child ${child.component} in $_errorWhere");
    }
    if (_childCalling.result is GatewayCalling) {
      var segments = ((_childCalling.result! as GatewayCalling).binding
              as GatewayBinding)
          .calling
          .childrenBinding;

      for (var seg in segments.entries) {
        if (seg.key.isArgument) {
          if (arg != null) {
            throw Exception("Gateways allow only once argument segment."
                "\nbut found $arg and"
                " $seg\nWHERE: $_errorWhere");
          } else {
            arg = seg.key;
          }
        }
        _callings[seg.key] = child;
      }
    } else {
      var seg =
          (_childCalling.result! as RouteCalling).binding.component.segment;

      if (seg.isArgument) {
        if (arg != null) {
          throw Exception("Gateways allow only once argument segment."
              " \nbut found $arg and"
              " $seg\nWHERE: $_errorWhere");
        } else {
          arg = seg;
        }
      }
      _callings[seg] = child;
    }
  }
  //
  // print(
  //     "${_callings.map((key, value) => MapEntry(key, value.))}");
  calling.childrenBinding = _callings;
}