Class: GraphQL::GraphQLInterfaceType

Inherits:
Configuration::Configurable show all
Includes:
GraphQLAbstractType, GraphQLCompositeType, GraphQLNamedType, GraphQLNullableType, GraphQLOutputType, GraphQLType
Defined in:
lib/graphql/type/interface_type.rb

Instance Method Summary collapse

Methods included from GraphQLNullableType

#!

Methods included from GraphQLAbstractType

#type_of

Methods included from GraphQLType

#+@

Methods inherited from Configuration::Configurable

configuration, configure_with, #method_missing, new

Constructor Details

#initialize(configuration) ⇒ GraphQLInterfaceType

Returns a new instance of GraphQLInterfaceType.



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# File 'lib/graphql/type/interface_type.rb', line 21

def initialize(configuration)
  super
  @implementations = []
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class GraphQL::Configuration::Configurable

Instance Method Details

#field(name) ⇒ Object 



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# File 'lib/graphql/type/interface_type.rb', line 43

def field(name)
  field_map(name.to_sym)
end

#field_map ⇒ Object 



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# File 'lib/graphql/type/interface_type.rb', line 31

def field_map
  @field_map ||= @configuration.fields.reduce({}) { |memo, field| memo[field.name.to_sym] = field ; memo}
end

#field_names ⇒ Object 



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# File 'lib/graphql/type/interface_type.rb', line 35

def field_names
  @field_names ||= field_map.keys
end

#fields ⇒ Object 



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# File 'lib/graphql/type/interface_type.rb', line 39

def fields
  @fields ||= field_map.values
end

#implement!(type) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/graphql/type/interface_type.rb', line 26

def implement!(type)
  raise RuntimeError.new("#{self} can implement instances of GraphQLType. Got #{type.class}.") unless type.is_a?(GraphQLType)
  @implementations << type unless possible_type?(type)
end

#possible_type?(type) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/graphql/type/interface_type.rb', line 51

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

#possible_types ⇒ Object 



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# File 'lib/graphql/type/interface_type.rb', line 47

def possible_types
  @implementations
end

#resolve_type(type) ⇒ Object 



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# File 'lib/graphql/type/interface_type.rb', line 55

def resolve_type(type)
  @configuration.resolve_type.nil? ? type_of(type) : @configuration.resolve_type.call(type)
end

#to_s ⇒ Object 



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# File 'lib/graphql/type/interface_type.rb', line 59

def to_s
  name
end