class Census::DataSet
A simple container object that proxies its query method to an underlying DataSetVintage
object.
Public Class Methods
new()
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# File lib/rboc/data.rb, line 102 def initialize @vintages = {} @newest_vintage = 0 end
Public Instance Methods
[](vintage)
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# File lib/rboc/data.rb, line 117 def [](vintage) unless @vintages.keys.include? vintage raise ArgumentError, "Unknown vintage" end @vintages[vintage.to_i] end
add_vintage(v)
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# File lib/rboc/data.rb, line 107 def add_vintage(v) y = v.vintage @vintages[y] = v @newest_vintage = y if y > @newest_vintage end
query(q=Query.new) { |q| ... }
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# File lib/rboc/data.rb, line 129 def query(q=Query.new) yield q if block_given? @vintages[@newest_vintage].query q end
query_raw(q=Query.new) { |q| ... }
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# File lib/rboc/data.rb, line 124 def query_raw(q=Query.new) yield q if block_given? @vintages[@newest_vintage].query_raw q end
vintage_years()
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# File lib/rboc/data.rb, line 113 def vintage_years @vintages.keys end