Method extractKeyType

java/dagger/internal/codegen/RequestKinds.java:132–143

Unwraps the framework class(es) of requestKind from type. If requestKind is RequestKind#INSTANCE, this acts as an identity function. @throws TypeNotPresentException if type is an javax.lang.model.type.ErrorType, which may mean that the type will b

(RequestKind requestKind, TypeMirror type)

   *     framework class(es).
   */
  static TypeMirror extractKeyType(RequestKind requestKind, TypeMirror type) {
    checkTypePresent(type);
    switch (requestKind) {
      case INSTANCE:
        return type;
      case PROVIDER_OF_LAZY:
        return extractKeyType(LAZY, extractKeyType(PROVIDER, type));
      default:
        checkArgument(isType(type) && isTypeOf(frameworkClass(requestKind).get(), type));
        return getOnlyElement(MoreTypes.asDeclared(type).getTypeArguments());
    }
  }

  private static final ImmutableMap<RequestKind, Class<?>> FRAMEWORK_CLASSES =
      ImmutableMap.of(