Class: Progenitor::Sequence

Inherits:

Object

• Object
• Progenitor::Sequence

Defined in:

lib/progenitor/sequence.rb

Instance Method Summary

• #in_sequence(&block) ⇒ Object
• #initialize(start = 0) ⇒ Sequence constructor

  A new instance of Sequence.

• #next_int ⇒ Object

Constructor Details

#initialize(start = 0) ⇒ Sequence

Returns a new instance of Sequence.

# File 'lib/progenitor/sequence.rb', line 4

def initialize(start=0)
  @lock = Mutex.new
  @current = start
end

Instance Method Details

#in_sequence(&block) ⇒ Object

# File 'lib/progenitor/sequence.rb', line 17

def in_sequence(&block)
  value = next_int
  block.call value
end

#next_int ⇒ Object

# File 'lib/progenitor/sequence.rb', line 9

def next_int
  @lock.synchronize do
    value = @current
    @current += 1
    value
  end
end