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require 'puppet/indirector'
require 'puppet/indirector/indirection'
# A simple class that can function as the base class for indirected types.
class Puppet::Indirector::Terminus
require 'puppet/util/docs'
extend Puppet::Util::Docs
class << self
attr_accessor :name
attr_reader :indirection
# Look up the indirection if we were only provided a name.
def indirection=(name)
if name.is_a?(Puppet::Indirector::Indirection)
@indirection = name
elsif ind = Puppet::Indirector::Indirection.instance(name)
@indirection = ind
else
raise ArgumentError, "Could not find indirection instance %s" % name
end
end
# Register our subclass with the appropriate indirection.
# This follows the convention that our terminus is named after the
# indirection.
def inherited(subclass)
longname = subclass.to_s
if longname =~ /#<Class/
raise ArgumentError, "Terminus subclasses must have associated constants"
end
names = longname.split("::")
# First figure out the indirection
shortname = names.pop.downcase.intern
subclass.indirection = shortname
if names.empty?
raise ArgumentError, "Terminus subclasses need to have their constants include the parent class for setting the terminus name"
end
# And then the name (e.g., ldap or yaml)
termtype = names.pop.downcase.intern
subclass.name = termtype
end
end
def initialize
unless indirection
raise Puppet::DevError, "Indirection termini cannot be used without an associated indirection"
end
end
def name
self.class.name
end
def indirection
self.class.indirection
end
end
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