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Versions: 6
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Contents
# Expirable
#
# Copyright (c) 2004 George Moschovitis
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Generic expirability mixin.
#
module Expirable
attr_accessor :expires
# Set the expires timeout for this entry.
def expires_after(timeout = (60*60*24))
@expires = Time.now + timeout
end
# Set the expire timeout for this entry. The timeout happens
# after (base + rand(spread)) seconds.
def expires_spread(base, spread)
@expires = Time.now + base + rand(spread)
end
# Is this entry expired?
def expired?
if @expires.nil? or (Time.now > @expires)
return true
else
return false
end
end
# Update the expiration period. Override in your application.
def touch!
end
end
Version data entries
6 entries across 6 versions & 1 rubygems