class NewRelic::VersionNumber
Helper class for managing version comparisons
Attributes
parts[R]
Public Class Methods
new(version_string)
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# File lib/new_relic/version.rb, line 29 def initialize(version_string) version_string ||= '1.0.0' @parts = version_string.split('.').map{|n| n =~ /^\d+$/ ? n.to_i : n} end
Private Class Methods
compare(parts1, parts2)
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# File lib/new_relic/version.rb, line 55 def self.compare(parts1, parts2) a, b = parts1.first, parts2.first case when a.nil? && b.nil? then 0 when a.nil? then b.is_a?(Fixnum) ? -1 : 1 when b.nil? then -compare(parts2, parts1) when a.to_s == b.to_s then compare(parts1[1..-1], parts2[1..-1]) when a.is_a?(String) then b.is_a?(Fixnum) ? -1 : (a <=> b) when b.is_a?(String) then -compare(parts2, parts1) else # they are both fixnums, not nil a <=> b end end
Public Instance Methods
<=>(other)
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# File lib/new_relic/version.rb, line 37 def <=>(other) other = self.class.new(other) if other.is_a? String self.class.compare(self.parts, other.parts) end
eql?(other)
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# File lib/new_relic/version.rb, line 50 def eql? other (self <=> other) == 0 end
hash()
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# File lib/new_relic/version.rb, line 46 def hash @parts.hash end
major_version()
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# File lib/new_relic/version.rb, line 33 def major_version; @parts[0]; end
minor_version()
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# File lib/new_relic/version.rb, line 34 def minor_version; @parts[1]; end
tiny_version()
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# File lib/new_relic/version.rb, line 35 def tiny_version; @parts[2]; end
to_s()
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# File lib/new_relic/version.rb, line 42 def to_s @parts.join(".") end