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Versions: 18
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Contents
module StateManager
module Adapters
module Base
module ClassMethods
# The name of the adapter
def adapter_name
@adapter_name ||= begin
name = self.name.split('::').last
name.gsub!(/([A-Z]+)([A-Z][a-z])/,'\1_\2')
name.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
name.downcase!
name.to_sym
end
end
# Whether this adapter is available for the current library. This
# is only true if the ORM that the adapter is for is currently
# defined.
def available?
matching_ancestors.any? && Object.const_defined?(matching_ancestors[0].split('::')[0])
end
# The list of ancestor names that cause this adapter to matched.
def matching_ancestors
[]
end
# Whether the adapter should be used for the given class.
def matches?(klass)
matches_ancestors?(klass.ancestors.map {|ancestor| ancestor.name})
end
# Whether the adapter should be used for the given list of ancestors.
def matches_ancestors?(ancestors)
(ancestors & matching_ancestors).any?
end
end
def self.included(base)
return if base < StateManager::Base
base.class_eval { extend ClassMethods }
end
extend ClassMethods
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems