Module: DigestGenerator

Extended by:
DigestGenerator
Included in:
DigestGenerator
Defined in:
lib/digest_generator.rb,
lib/digest_generator/version.rb

Overview

DigestGenerator

Defined Under Namespace

Modules: InstanceMethods

Constant Summary collapse

MASK_64BIT = 
0x7FFFFFFFFFFFFFFF
XXHASH_ALGO = 
'xxHash'
SUPPORTED_ALGORITHMS = 
[XXHASH_ALGO].freeze
VERSION = 
'0.1.2'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/digest_generator.rb', line 43

def self.included(base)
  base.include(InstanceMethods)
end

Instance Method Details

#algorithm ⇒ Object 



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# File 'lib/digest_generator.rb', line 15

def algorithm
  @algorithm
end

#algorithm=(value) ⇒ Object 



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# File 'lib/digest_generator.rb', line 19

def algorithm=(value)
  @algorithm = value
end

#configure_default_algo ⇒ Object 



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# File 'lib/digest_generator.rb', line 23

def configure_default_algo
  self.algorithm = XXHASH_ALGO if algorithm.nil? || algorithm == ''
end

#digest_32bit(payload) ⇒ Object 



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# File 'lib/digest_generator.rb', line 33

def digest_32bit(payload)
  configure_default_algo
  send("#{algorithm.downcase}32_digest", payload)
end

#digest_63bit(payload) ⇒ Object

Hash 64 and mask bit 63 (0-63) to remove signedness to be compatible with postgress bigints



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# File 'lib/digest_generator.rb', line 28

def digest_63bit(payload)
  configure_default_algo
  send("#{algorithm.downcase}63_digest", payload)
end

#digest_64bit(payload) ⇒ Object 



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# File 'lib/digest_generator.rb', line 38

def digest_64bit(payload)
  configure_default_algo
  send("#{algorithm.downcase}64_digest", payload)
end