util.rb in instana-1.7.2

- old
+ new

@@ -1,8 +1,10 @@
 module Instana
   module Util
     class << self
+      ID_RANGE = -2**63..2**63-1
+
       # An agnostic approach to method aliasing.
       #
       # @param klass [Object] The class or module that holds the method to be alias'd.
       # @param method [Symbol] The name of the method to be aliased.
       #
@@ -176,10 +178,10 @@
       #
       # @return [Integer] a random 64bit integer
       #
       def generate_id
         # Max value is 9223372036854775807 (signed long in Java)
-        rand(-2**63..2**63-1)
+        rand(ID_RANGE)
       end
 
       # Convert an ID to a value appropriate to pass in a header.
       #
       # @param id [Integer] the id to be converted