123456789_123456789_123456789_123456789_123456789_

Class: TZInfo::StringDeduper Private

Do not use. This class is for internal use only.
Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses:
TZInfo::ConcurrentStringDeduper
Inherits: Object
Defined in: lib/tzinfo/string_deduper.rb

Overview

Maintains a pool of String instances. The #dedupe method will return either a pooled copy of a given String or add the instance to the pool.

Class Attribute Summary

Class Method Summary

Instance Method Summary

Class Attribute Details

.global ⇒ StringDeduper (readonly)

Returns:

  • (StringDeduper) —

    a globally available singleton instance of StringDeduper. This instance is safe for use in concurrently executing threads.

[ GitHub ] 

  


# File 'lib/tzinfo/string_deduper.rb', line 16



attr_reader :global


  







Instance Method Details



  

    #create_hash(&block)  ⇒ Hash  (protected)
  



  

    
Creates a Hash to store pooled String instances.


  





  
Parameters:


    
  
  • 
    block
    (Proc)
—    
    Default value block to be passed to Hash.new.
    

    
  
    • 



Returns:


    
  
  • 
    (Hash)
—    
    a Hash to store pooled String instances.
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/tzinfo/string_deduper.rb', line 41



def create_hash(&block)
  Hash.new(&block)
end


  








  

    #dedupe(string)  ⇒ bool 
  



  

    
  





  
Parameters:


    
  
  • 
    string
    (String)
—    
    the string to deduplicate.
    

    
  
    • 



Returns:


    
  
  • 
    (bool)
—    
    string if it is frozen, otherwise a frozen, possibly
pre-existing copy of string.
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/tzinfo/string_deduper.rb', line 30



def dedupe(string)
  return string if string.frozen?
  @strings[string]
end