Connection.fromJson constructor
This Dart factory method creates a Connection object from a JSON map.
Args:
json (Map String, dynamic ): The json parameter in the Connection.fromJson factory method is
a map that contains key-value pairs representing the properties of a Connection object. The keys
in the map correspond to the properties of the Connection class (id, fromNodeId, fromPortId,
toNodeId, to
Implementation
factory Connection.fromJson(Map<String, dynamic> json) => Connection(
id: json['id'],
fromNodeId: json['fromNodeId'],
fromPortId: json['fromPortId'],
toNodeId: json['toNodeId'],
toPortId: json['toPortId'],
);