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Contents
module MasterView
# this hash is designed to track modified times of its values
# this behaviour is only supported through using []= and store
# mechanisms and thus default semantics have been excluded
# other update methods such as merge! have been excluded from
# this implementation and will raise errors
class MTimeTrackingHash < Hash
# MTimeTrackingHash does not support defaults and thus does
# not take default object or block
def initialize
super
@mtimes = {}
end
def []=(key, value)
update_mtime(key)
super
end
def store(key, value)
update_mtime(key)
super
end
# returns the Time object for this key
def mtime(key)
@mtimes[key]
end
private
def update_mtime(key)
@mtimes[key] = Time.now
end
def default=(obj); raise "Not implemented"; end
def merge!(obj,&block); raise "Not implemented"; end
def reject!(obj,&block); raise "Not implemented"; end
def replace(obj); raise "Not implemented"; end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems