class Cql::Compression::SnappyCompressor

A compressor that uses the Snappy compression library.

@note This compressor requires the [snappy](rubygems.org/gems/snappy)

gem (v0.0.10 or later for JRuby support).

Attributes

algorithm[R]

@return [String]

Public Class Methods

new(min_size=64) click to toggle source

@param [Integer] min_size (64) Don’t compress frames smaller than

this size (see {#compress?}).
# File lib/cql/compression/snappy_compressor.rb, line 22
def initialize(min_size=64)
  @algorithm = 'snappy'.freeze
  @min_size = min_size
end

Public Instance Methods

compress(str) click to toggle source
# File lib/cql/compression/snappy_compressor.rb, line 33
def compress(str)
  Snappy.deflate(str)
end
compress?(str) click to toggle source

@return [true, false] will return false for frames smaller than the

`min_size` given to the constructor.
# File lib/cql/compression/snappy_compressor.rb, line 29
def compress?(str)
  str.bytesize > @min_size
end
decompress(str) click to toggle source
# File lib/cql/compression/snappy_compressor.rb, line 37
def decompress(str)
  Snappy.inflate(str)
end