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Contents
module Mongoid #:nodoc
module Memoization
# Handles cases when accessing an association that should be memoized in
# the Mongoid specific manner.
def memoized(name, &block)
var = "@#{name}"
if instance_variable_defined?(var)
return instance_variable_get(var)
end
value = yield
instance_variable_set(var, value)
end
# Mongoid specific behavior is to remove the memoized object when setting
# the association, or if it wasn't previously memoized it will get set.
def reset(name, &block)
var = "@#{name}"
value = yield
if instance_variable_defined?(var)
remove_instance_variable(var)
else
instance_variable_set(var, value)
end
end
end
end
Version data entries
34 entries across 34 versions & 2 rubygems