class ThreadSafe::Util::PowerOfTwoTuple
Public Class Methods
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# File lib/thread_safe/util/power_of_two_tuple.rb, line 4 def initialize(size) raise ArgumentError, "size must be a power of 2 (#{size.inspect} provided)" unless size > 0 && size & (size - 1) == 0 super(size) end
Calls superclass method
Public Instance Methods
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# File lib/thread_safe/util/power_of_two_tuple.rb, line 9 def hash_to_index(hash) (size - 1) & hash end
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# File lib/thread_safe/util/power_of_two_tuple.rb, line 21 def next_in_size_table self.class.new(size << 1) end
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# File lib/thread_safe/util/power_of_two_tuple.rb, line 13 def volatile_get_by_hash(hash) volatile_get(hash_to_index(hash)) end
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# File lib/thread_safe/util/power_of_two_tuple.rb, line 17 def volatile_set_by_hash(hash, value) volatile_set(hash_to_index(hash), value) end