class Mongo::ServerVersion
Simple class for comparing server versions.
Public Class Methods
new(version)
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# File lib/mongo/utils/server_version.rb, line 21 def initialize(version) @version = version end
Public Instance Methods
<=>(new)
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Implements comparable.
# File lib/mongo/utils/server_version.rb, line 26 def <=>(new) local, new = self.to_a, to_array(new) for n in 0...local.size do break if elements_include_mods?(local[n], new[n]) if local[n] < new[n].to_i result = -1 break; elsif local[n] > new[n].to_i result = 1 break; end end result || 0 end
to_a()
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Return an array representation of this server version.
# File lib/mongo/utils/server_version.rb, line 42 def to_a to_array(@version) end
to_s()
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Return a string representation of this server version.
# File lib/mongo/utils/server_version.rb, line 47 def to_s @version end
Private Instance Methods
elements_include_mods?(*elements)
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Returns true if any elements include mod symbols (-, +)
# File lib/mongo/utils/server_version.rb, line 54 def elements_include_mods?(*elements) elements.any? { |n| n =~ /[\-\+]/ } end
to_array(version)
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Converts argument to an array of integers, appending any mods as the final element.
# File lib/mongo/utils/server_version.rb, line 60 def to_array(version) array = version.split(".").map {|n| (n =~ /^\d+$/) ? n.to_i : n } if array.last =~ /(\d+)([\-\+])/ array[array.length-1] = $1.to_i array << $2 end array end