Class: GraphQL::Schema::NonNull

Inherits:
Wrapper
  • Object
show all
Includes:
Member::CachedGraphQLDefinition::DeprecatedToGraphQL, Member::ValidatesInput
Defined in:
lib/graphql/schema/non_null.rb

Overview

Represents a non null type in the schema. Wraps a Member when it is required.

See Also:

  • {Schema{Schema::Member{Schema::Member::TypeSystemHelpers{Schema::Member::TypeSystemHelpers#to_non_null_type}

Instance Attribute Summary

Attributes inherited from Wrapper

#of_type

Instance Method Summary collapse

Methods included from Member::ValidatesInput

#coerce_isolated_input, #coerce_isolated_result, #valid_input?, #valid_isolated_input?

Methods inherited from Wrapper

#==, #initialize, #unwrap

Methods included from Member::TypeSystemHelpers

#to_list_type, #to_non_null_type

Methods included from Member::CachedGraphQLDefinition

#deprecated_to_graphql, #graphql_definition, #initialize_copy, #type_class

Constructor Details

This class inherits a constructor from GraphQL::Schema::Wrapper

Instance Method Details

#coerce_input(value, ctx) ⇒ Object


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# File 'lib/graphql/schema/non_null.rb', line 55

def coerce_input(value, ctx)
  of_type.coerce_input(value, ctx)
end

#coerce_result(value, ctx) ⇒ Object


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# File 'lib/graphql/schema/non_null.rb', line 59

def coerce_result(value, ctx)
  of_type.coerce_result(value, ctx)
end

#descriptionObject

This is for implementing introspection


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# File 'lib/graphql/schema/non_null.rb', line 64

def description
  nil
end

#graphql_nameObject

This is for introspection, where it's expected the name will be null


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# File 'lib/graphql/schema/non_null.rb', line 51

def graphql_name
  nil
end

#inspectObject


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# File 'lib/graphql/schema/non_null.rb', line 36

def inspect
  "#<#{self.class.name} @of_type=#{@of_type.inspect}>"
end

#kindGraphQL::TypeKinds::NON_NULL

Returns:

  • (GraphQL::TypeKinds::NON_NULL)

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# File 'lib/graphql/schema/non_null.rb', line 18

def kind
  GraphQL::TypeKinds::NON_NULL
end

#list?Boolean

Returns True if this type wraps a list type.

Returns:

  • (Boolean)

    True if this type wraps a list type


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# File 'lib/graphql/schema/non_null.rb', line 28

def list?
  @of_type.list?
end

#non_null?true

Returns:

  • (true)

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# File 'lib/graphql/schema/non_null.rb', line 23

def non_null?
  true
end

#to_graphqlObject


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# File 'lib/graphql/schema/non_null.rb', line 13

def to_graphql
  @of_type.graphql_definition(silence_deprecation_warning: true).to_non_null_type
end

#to_type_signatureObject


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# File 'lib/graphql/schema/non_null.rb', line 32

def to_type_signature
  "#{@of_type.to_type_signature}!"
end

#validate_input(value, ctx) ⇒ Object


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# File 'lib/graphql/schema/non_null.rb', line 40

def validate_input(value, ctx)
  if value.nil?
    result = GraphQL::Query::InputValidationResult.new
    result.add_problem("Expected value to not be null")
    result
  else
    of_type.validate_input(value, ctx)
  end
end