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Contents
module Appfuel
module Repository
class MappingEntry
attr_reader :domain_name, :domain_attr, :storage_attr,
:container_name, :container_key
def initialize(data)
unless data.respond_to?(:to_h)
fail "Map entry data must respond to :to_h"
end
data = data.to_h
@domain_name = data.fetch(:domain_name) {
fail "Fully qualified domain name is required"
}.to_s
@storage = data.fetch(:storage) {
fail "Storage classes hash is required"
}
@storage_attr = data.fetch(:storage_attr) {
fail "Storage attribute is required"
}.to_s
@domain_attr = data.fetch(:domain_attr) {
fail "Domain attribute is required"
}
@skip = data[:skip] == true ? true : false
if data.key?(:computed_attr)
computed_attr_lambda(data[:computed_attr])
end
@container_name = data[:container]
@container_key = "mappings.#{domain_name}.#{domain_attr}"
end
def storage(type)
fail "Storage #{type} is not registered" unless storage?(type)
@storage[type]
end
def storage?(type)
@storage.key?(type)
end
def skip?
@skip
end
def computed_attr?
!@computed_attr.nil?
end
def computed_attr(value, domain)
fail "No lambda assigned to compute value" unless computed_attr?
@computed_attr.call(value, domain)
end
private
def computed_attr_lambda(value)
unless value.lambda?
fail "computed attributes require a lambda as a value"
end
if value.arity != 2
fail "computed attribute lambda's must accept 2 param"
end
@computed_attr = value
end
end
end
end
Version data entries
33 entries across 33 versions & 1 rubygems