public static BackgroundFunctionExecutor forClass()

in invoker/core/src/main/java/com/google/cloud/functions/invoker/BackgroundFunctionExecutor.java [106:118]

• 13 lines of code
• 2 McCabe index (conditional complexity)

  public static BackgroundFunctionExecutor forClass(Class<?> functionClass) {
    Optional<FunctionKind> maybeFunctionKind = FunctionKind.forClass(functionClass);
    if (!maybeFunctionKind.isPresent()) {
      List<String> classNames =
          FunctionKind.VALUES.stream().map(v -> v.functionClass.getName()).collect(toList());
      throw new RuntimeException(
          "Class "
              + functionClass.getName()
              + " must implement one of these interfaces: "
              + String.join(", ", classNames));
    }
    return forClass(functionClass, maybeFunctionKind.get());
  }