Sha256: f5aac7c78732d04d3b439bb1b78cde3b4478383be2fe7c3e5347a0d8a480e38c
Contents?: true
Size: 984 Bytes
Versions: 184
Compression:
Stored size: 984 Bytes
Contents
module SplitIoClient
module Hashers
class ImpressionHasher
def initialize
@murmur_hash_128_64 = case RUBY_PLATFORM
when 'java'
Proc.new { |key, seed| Java::MurmurHash3.hash128x64(key, seed) }
else
Proc.new { |key, seed| Digest::MurmurHashMRI3_x64_128.rawdigest(key, [seed].pack('L')) }
end
end
def process(impression)
impression_data = "#{unknown_if_null(impression[:k])}"
impression_data << ":#{unknown_if_null(impression[:f])}"
impression_data << ":#{unknown_if_null(impression[:t])}"
impression_data << ":#{unknown_if_null(impression[:r])}"
impression_data << ":#{zero_if_null(impression[:c])}"
@murmur_hash_128_64.call(impression_data, 0)[0];
end
private
def unknown_if_null(value)
value == nil ? "UNKNOWN" : value
end
def zero_if_null(value)
value == nil ? 0 : value
end
end
end
end
Version data entries
184 entries across 184 versions & 1 rubygems