Module: GraphQL::BaseType::HasPossibleTypes

Included in:
InterfaceType, UnionType
Defined in:
lib/graphql/base_type.rb

Constant Summary collapse

DEFAULT_RESOLVE_TYPE =

The default implementation of #resolve_type gets ‘object.class.name` and finds a type with the same name

-> (object) {
  type_name = object.class.name
  possible_types.find {|t| t.name == type_name}
}

Instance Method Summary collapse

Instance Method Details

#include?(type) ⇒ Boolean

Returns:

  • (Boolean) 


67
68
69
 
# File 'lib/graphql/base_type.rb', line 67

def include?(type)
  possible_types.include?(type)
end

#resolve_type(object) ⇒ GraphQL::ObjectType

Return the implementing type for ‘object`. The default implementation assumes that there’s a type with the same name as ‘object.class.name`. Maybe you’ll need to override this in your own interfaces!

Parameters:

  • object (Object) —

    the object which needs a type to expose it

Returns:



52
53
54
 
# File 'lib/graphql/base_type.rb', line 52

def resolve_type(object)
  instance_exec(object, &@resolve_type_proc)
end

#resolve_type=(new_proc) ⇒ Object 



63
64
65
 
# File 'lib/graphql/base_type.rb', line 63

def resolve_type=(new_proc)
  @resolve_type_proc = new_proc || DEFAULT_RESOLVE_TYPE
end