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# frozen_String_literal: true |
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require_relative '../mixin/errors' |
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require_relative 'parameter' |
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require_relative 'builtin/enumerable_type' |
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require_relative 'builtin/array_type' |
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require_relative 'builtin/hash_type' |
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require_relative 'builtin/hash_tuple_type' |
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require_relative 'builtin/set_type' |
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require_relative 'builtin/primitive_type' |
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require_relative 'builtin/rational_type' |
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require_relative 'builtin/datetime_type' |
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module AMA |
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module Entity |
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class Mapper |
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class Type |
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# Holds all registered types |
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class Registry |
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include Mixin::Errors |
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attr_accessor :types |
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def initialize |
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@types = {} |
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end |
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# @return [AMA::Entity::Mapper::Type::Registry] |
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def with_default_types |
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register(BuiltIn::EnumerableType::INSTANCE) |
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register(BuiltIn::ArrayType::INSTANCE) |
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register(BuiltIn::HashType::INSTANCE) |
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register(BuiltIn::SetType::INSTANCE) |
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register(BuiltIn::HashTupleType::INSTANCE) |
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register(BuiltIn::RationalType::INSTANCE) |
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register(BuiltIn::DateTimeType::INSTANCE) |
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BuiltIn::PrimitiveType::ALL.each do |type| |
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register(type) |
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end |
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self |
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end |
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# @param [Class, Module] klass |
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def [](klass) |
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@types[klass] |
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end |
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48
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# @param [AMA::Entity::Mapper::Type] type |
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def register(type) |
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@types[type.type] = type |
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end |
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53
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# @param [Class] klass |
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def key?(klass) |
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@types.key?(klass) |
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end |
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58
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alias registered? key? |
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# @param [Class, Module] klass |
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# @return [Array<AMA::Entity::Mapper::Type>] |
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def select(klass) |
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types = class_hierarchy(klass).map do |entry| |
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@types[entry] |
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end |
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types.reject(&:nil?) |
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end |
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# @param [Class, Module] klass |
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# @return [AMA::Entity::Mapper::Type, NilClass] |
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def find(klass) |
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candidates = select(klass) |
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candidates.empty? ? nil : candidates.first |
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end |
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# @param [Class, Module] klass |
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# @return [AMA::Entity::Mapper::Type] |
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def find!(klass) |
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candidate = find(klass) |
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return candidate if candidate |
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message = "Could not find any registered type for class #{klass}" |
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compliance_error(message) |
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end |
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85
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# @param [Class, Module] klass |
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86
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# @return [TrueClass, FalseClass] |
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def resolvable?(klass) |
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!select(klass).empty? |
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end |
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private |
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# @param [Class, Module] klass |
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def class_hierarchy(klass) |
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ptr = klass |
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chain = [] |
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loop do |
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chain.push(*class_with_modules(ptr)) |
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break if !ptr.respond_to?(:superclass) || ptr.superclass.nil? |
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ptr = ptr.superclass |
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end |
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chain |
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end |
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105
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def class_with_modules(klass) |
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if klass.superclass.nil? |
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107
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parent_modules = [] |
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else |
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parent_modules = klass.superclass.included_modules |
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end |
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111
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[klass, *(klass.included_modules - parent_modules)] |
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112
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end |
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113
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end |
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114
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end |
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115
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end |
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116
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end |
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117
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end |
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ama-team /
ruby-entity-mapper
