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Contents
module TZInfo
# Represents information about a country returned by ZoneinfoDataSource.
#
# @private
class ZoneinfoCountryInfo < CountryInfo #:nodoc:
# Constructs a new CountryInfo with an ISO 3166 country code, name and
# an array of CountryTimezones.
def initialize(code, name, zones)
super(code, name)
@zones = zones.dup.freeze
@zone_identifiers = nil
end
# Returns a frozen array of all the zone identifiers for the country ordered
# geographically, most populous first.
def zone_identifiers
# Thread-safety: It is possible that the value of @zone_identifiers may be
# calculated multiple times in concurrently executing threads. It is not
# worth the overhead of locking to ensure that @zone_identifiers is only
# calculated once.
unless @zone_identifiers
result = zones.collect {|zone| zone.identifier}.freeze
return result if frozen?
@zone_identifiers = result
end
@zone_identifiers
end
# Returns a frozen array of all the timezones for the for the country
# ordered geographically, most populous first.
def zones
@zones
end
end
end
Version data entries
37 entries across 36 versions & 14 rubygems