class GraphQL::EnumType
@api deprecated
Attributes
ast_node[RW]
Public Class Methods
new()
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Calls superclass method
GraphQL::BaseType::new
# File lib/graphql/enum_type.rb, line 11 def initialize super @values_by_name = {} end
Public Instance Methods
add_value(enum_value)
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@param enum_value [EnumValue] A value to add to this type's set of values
# File lib/graphql/enum_type.rb, line 28 def add_value(enum_value) if @values_by_name.key?(enum_value.name) raise "Enum value names must be unique. Value `#{enum_value.name}` already exists on Enum `#{name}`." end @values_by_name[enum_value.name] = enum_value end
coerce_result(value, ctx = nil)
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# File lib/graphql/enum_type.rb, line 49 def coerce_result(value, ctx = nil) if ctx.nil? warn_deprecated_coerce("coerce_isolated_result") ctx = GraphQL::Query::NullContext end warden = ctx.warden all_values = warden ? warden.enum_values(self) : @values_by_name.each_value enum_value = all_values.find { |val| val.value == value } if enum_value enum_value.name else raise(UnresolvedValueError, "Can't resolve enum #{name} for #{value.inspect}") end end
enum_values(_context = nil)
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# File lib/graphql/enum_type.rb, line 41 def enum_values(_context = nil) values.values end
initialize_copy(other)
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Calls superclass method
GraphQL::BaseType#initialize_copy
# File lib/graphql/enum_type.rb, line 16 def initialize_copy(other) super self.values = other.values.values end
kind()
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# File lib/graphql/enum_type.rb, line 45 def kind GraphQL::TypeKinds::ENUM end
to_s()
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# File lib/graphql/enum_type.rb, line 65 def to_s name end
values(_context = nil)
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@return [Hash<String => EnumValue>] `{name => value}` pairs contained in this type
# File lib/graphql/enum_type.rb, line 37 def values(_context = nil) @values_by_name end
values=(new_values)
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@param new_values [Array<EnumValue>] The set of values contained in this type
# File lib/graphql/enum_type.rb, line 22 def values=(new_values) @values_by_name = {} new_values.each { |enum_value| add_value(enum_value) } end
Private Instance Methods
coerce_non_null_input(value_name, ctx)
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Get the underlying value for this enum value
@example get episode value from Enum
episode = EpisodeEnum.coerce("NEWHOPE") episode # => 6
@param value_name [String] the string representation of this enum value @return [Object] the underlying value for this enum value
# File lib/graphql/enum_type.rb, line 109 def coerce_non_null_input(value_name, ctx) if @values_by_name.key?(value_name) @values_by_name.fetch(value_name).value elsif match_by_value = @values_by_name.find { |k, v| v.value == value_name } # this is for matching default values, which are "inputs", but they're # the Ruby value, not the GraphQL string. match_by_value[1].value else nil end end
validate_non_null_input(value_name, ctx)
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# File lib/graphql/enum_type.rb, line 121 def validate_non_null_input(value_name, ctx) result = GraphQL::Query::InputValidationResult.new allowed_values = ctx.warden.enum_values(self) matching_value = allowed_values.find { |v| v.name == value_name } if matching_value.nil? result.add_problem("Expected #{GraphQL::Language.serialize(value_name)} to be one of: #{allowed_values.map(&:name).join(', ')}") end result end