Class: Maildir::UniqueName

Inherits:

Object

• Object
• Maildir::UniqueName

Defined in:

lib/maildir/unique_name.rb

Overview

Class for generating unique file names for new messages

Constant Summary

COUNTER_MUTEX =

Mutex.new

Class Method Summary

• .counter ⇒ Object

  Return a thread-safe increasing counter.

• .create ⇒ Object

Instance Method Summary

• #initialize ⇒ UniqueName constructor

  Return a unique file name based on strategy.

• #to_s ⇒ Object

  Return the name as a string.

Constructor Details

#initialize ⇒ UniqueName

Return a unique file name based on strategy

# File 'lib/maildir/unique_name.rb', line 23

def initialize
  # Use the same time object
  @now = Time.now
end

Class Method Details

.counter ⇒ Object

Return a thread-safe increasing counter

# File 'lib/maildir/unique_name.rb', line 10

def counter
  COUNTER_MUTEX.synchronize do
    @counter ||= 0
    @counter = @counter.to_i.succ
  end
end

.create ⇒ Object

# File 'lib/maildir/unique_name.rb', line 17

def create
  self.new.to_s
end

Instance Method Details

#to_s ⇒ Object

Return the name as a string

# File 'lib/maildir/unique_name.rb', line 29

def to_s
  [left, middle, right].join(".")
end