WorldBehavior.fromJson constructor

WorldBehavior.fromJson(Map<String, dynamic> json)

Implementation

factory WorldBehavior.fromJson(Map<String, dynamic> json) {
  final id = json['id'] as String? ?? '';
  final touchpoint = json['touchpoint'] as String? ?? '';
  final method = json['method'] as String? ?? '';
  if (id.isEmpty || touchpoint.isEmpty || method.isEmpty) {
    throw const WorldManifestError(
      'behavior without id/touchpoint/method --> fix: every behaviors[] '
      'entry needs "id", "driver", "touchpoint", and "method".',
    );
  }
  return WorldBehavior(
    id: id,
    driver: json['driver'] as String? ?? 'invoke',
    touchpoint: touchpoint,
    method: method,
    args: Map<String, dynamic>.from(
      json['args'] as Map? ?? const <String, dynamic>{},
    ),
    maxAttempts: (json['maxAttempts'] as num?)?.toInt() ?? 3,
    backoffBaseMs: (json['backoffBaseMs'] as num?)?.toInt() ?? 50,
    backoffFactor: (json['backoffFactor'] as num?)?.toDouble() ?? 2.0,
    expect: json['expect'] as String? ?? 'green',
  );
}