Class UnionTypesChecker


  • class UnionTypesChecker
    extends java.lang.Object
    UnionType check, details in https://spec.graphql.org/June2018/#sec-Type-System.
         
             
  • Invalid name begin with "__" (two underscores);
  • Union type must include one or more member types;
  • The member types of a Union type must all be Object base types;
  • The member types of a Union type must be unique.