Class: Xid::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_xid.rb

Overview

Xid Generator

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rand_val = nil, machine_id = 0) ⇒ Generator

Returns a new instance of Generator.



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# File 'lib/ruby_xid.rb', line 116

def initialize(rand_val = nil, machine_id = 0)
  @mutex = Mutex.new
  @rand_int = rand_val || rand(65_535)
  @pid = Process.pid
  @machine_id = machine_id
end

Instance Attribute Details

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/ruby_xid.rb', line 114

def value
  @value
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/ruby_xid.rb', line 123

def generate
  # () -> str
  @mutex.synchronize do
    @rand_int += 1
  end
  [::Time.new.to_i, @machine_id, @pid, @rand_int << 8].pack('N NX n NX')
end