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require 'cassandra_object/identity/abstract_key_factory'
require 'cassandra_object/identity/key'
require 'cassandra_object/identity/uuid_key_factory'
require 'cassandra_object/identity/natural_key_factory'
module CassandraObject
# Some docs will be needed here but the gist of this is simple. Instead of returning a string, Base#key now returns a key object.
# There are corresponding key factories which generate them
module Identity
extend ActiveSupport::Concern
module ClassMethods
# Indicate what kind of key the model will have: uuid or natural
#
# @param [:uuid, :natural] the type of key
# @param the options you want to pass along to the key factory (like :attributes => :name, for a natural key).
#
def key(name_or_factory = :uuid, *options)
@key_factory = case name_or_factory
when :uuid
UUIDKeyFactory.new
when :natural
NaturalKeyFactory.new(*options)
else
name_or_factory
end
end
def next_key(object = nil)
@key_factory.next_key(object).tap do |key|
raise "Keys may not be nil" if key.nil?
end
end
def parse_key(string)
@key_factory.parse(string)
end
end
module InstanceMethods
def ==(comparison_object)
comparison_object.equal?(self) ||
(comparison_object.instance_of?(self.class) &&
comparison_object.key == key &&
!comparison_object.new_record?)
end
def eql?(comparison_object)
self == (comparison_object)
end
def hash
key.to_s.hash
end
def to_param
key.to_param
end
def to_key
[key] if key
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems