Class: Guid

Inherits:
Object
  • Object
show all
Defined in:
lib/activefacts/api/guid.rb

Overview

The Guid class is what it says on the packet, but you can assert a :new one.

Constant Summary collapse

SEQ_FILE_NAME = 
"/tmp/ActiveFactsRandom"
@@sequence = 
nil

Instance Method Summary collapse

Constructor Details

#initialize(i = :new) ⇒ Guid

Returns a new instance of Guid.



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# File 'lib/activefacts/api/guid.rb', line 22

def initialize(i = :new)
  @@sequence = ENV['ACTIVEFACTS_RANDOM'] || false if @@sequence == nil
  if i == :new
    case @@sequence
    when 'fixed'
      @@counter ||= 0
      @value = SecureRandom.format_uuid('%032x' % (@@counter += 1))
    when 'record'
      @@sequence_file ||= File.open(SEQ_FILE_NAME, 'w')
      @value = SecureRandom.uuid.freeze
      @@sequence_file.puts(@value)
    when 'replay'
      @@sequence_file ||= File.open(SEQ_FILE_NAME, 'r')
      @value = @@sequence_file.gets.chomp
    else
      @value = SecureRandom.uuid.freeze
    end
  elsif (v = i.to_s).length == 36 and !(v !~ /[^0-9a-f]/i)
    @value = v.clone.freeze
  else
    raise ArgumentError.new("Illegal non-Guid value #{i.inspect} given for Guid")
  end
end

Instance Method Details

#<=>(o) ⇒ Object

:nodoc:



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# File 'lib/activefacts/api/guid.rb', line 71

def <=>(o)                            #:nodoc:
  to_s.<=>(o.to_s)
end

#==(value) ⇒ Object 



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# File 'lib/activefacts/api/guid.rb', line 55

def == value
  @value == value.to_s
end

#eql?(o) ⇒ Boolean

:nodoc:

Returns:

  • (Boolean) 


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# File 'lib/activefacts/api/guid.rb', line 67

def eql?(o)                           #:nodoc:
  to_s.eql?(o.to_s)
end

#equal?(value) ⇒ Boolean

if the value is unassigned, it equal?(:new).

Returns:

  • (Boolean) 


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# File 'lib/activefacts/api/guid.rb', line 51

def equal? value
  @value == value
end

#hash ⇒ Object

:nodoc:



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# File 'lib/activefacts/api/guid.rb', line 63

def hash                              #:nodoc:
  @value.hash
end

#inspect ⇒ Object 



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# File 'lib/activefacts/api/guid.rb', line 59

def inspect
  "\#<Guid #{@value}>"
end

#to_s ⇒ Object 



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# File 'lib/activefacts/api/guid.rb', line 46

def to_s
  @value
end