Class: Kafka::Murmur2Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/kafka/murmur2_hash.rb

Constant Summary collapse

SEED = 
[0x9747b28c].pack('L')

Instance Method Summary collapse

Instance Method Details

#hash(value) ⇒ Object 



13
14
15
 
# File 'lib/kafka/murmur2_hash.rb', line 13

def hash(value)
  ::Digest::MurmurHash2.rawdigest(value, SEED) & 0x7fffffff
end

#load ⇒ Object 



7
8
9
10
11
 
# File 'lib/kafka/murmur2_hash.rb', line 7

def load
  require 'digest/murmurhash'
rescue LoadError
  raise LoadError, "using murmur2 hashing requires adding a dependency on the `digest-murmurhash` gem to your Gemfile."
end