Class: Drone::Storage::SharedNumber

Inherits:
Object
  • Object
show all
Defined in:
lib/drone/storage/base.rb

Overview

Represents a number but procide a specific api allowing this number to shared anywhere

Instance Method Summary collapse

Constructor Details

#initialize(initial_value) ⇒ SharedNumber

Constructor

Parameters:

  • initial_value (Number) —

    The initial value



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# File 'lib/drone/storage/base.rb', line 14

def initialize(initial_value)
  raise "needs to be redefined"
end

Instance Method Details

#compare_and_set(expected, new_value) ⇒ Object

Set the new value but only if the current value is equal to expected.

Parameters:

  • expected (Number) —

    The expected current value

  • new_value (Number) —

    The new value



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# File 'lib/drone/storage/base.rb', line 72

def compare_and_set(expected, new_value)
  raise "needs to be redefined"
end

#dec(n = 1) ⇒ Object

Decrement the value

Parameters:

  • n (Number) (defaults to: 1) —

    Decrement by n



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# File 'lib/drone/storage/base.rb', line 32

def dec(n = 1)
  raise "needs to be redefined"
end

#get ⇒ Number

Get the current value

Returns:

  • (Number) —

    The current value



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# File 'lib/drone/storage/base.rb', line 50

def get
  raise "needs to be redefined"
end

#get_and_set(n) ⇒ Number

Set a new value and return the old one

Parameters:

  • n (Number) —

    The new value

Returns:

  • (Number) —

    The old value



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# File 'lib/drone/storage/base.rb', line 61

def get_and_set(n)
  raise "needs to be redefined"
end

#inc(n = 1) ⇒ Object

Increment the value

Parameters:

  • n (Number) (defaults to: 1) —

    Increment by n



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# File 'lib/drone/storage/base.rb', line 23

def inc(n = 1)
  raise "needs to be redefined"
end

#set(n) ⇒ Object

Set the value

Parameters:

  • n (Number) —

    The new value



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# File 'lib/drone/storage/base.rb', line 41

def set(n)
  raise "needs to be redefined"
end