Class: Couchbase::JsonTranscoder

Inherits:

Object

• Object
• Couchbase::JsonTranscoder

Defined in:

lib/couchbase/json_transcoder.rb

Instance Method Summary

• #decode(blob, flags) ⇒ Object

  Decoded document.

• #encode(document) ⇒ Array<String, Integer>

  Pair of encoded document and flags.

Instance Method Details

#decode(blob, flags) ⇒ Object

Returns decoded document.

Parameters:

• blob (String) —

  string of bytes, containing encoded representation of the document

• flags (Integer, :json) —

  bit field, describing how the data encoded

Returns:

• (Object) —

  decoded document

Raises:

• (Error::DecodingFailure)

# File 'lib/couchbase/json_transcoder.rb', line 34

def decode(blob, flags)
  format = TranscoderFlags.decode(flags).format
  raise Error::DecodingFailure, "Unable to decode #{format} with the JsonTranscoder" unless format == :json || format.nil?

  JSON.parse(blob) unless blob&.empty?
end

#encode(document) ⇒ Array<String, Integer>

Returns pair of encoded document and flags.

Parameters:

• document (Object)

Returns:

• (Array<String, Integer>) —

  pair of encoded document and flags

Raises:

• (Error::EncodingFailure)

# File 'lib/couchbase/json_transcoder.rb', line 25

def encode(document)
  raise Error::EncodingFailure, "The JsonTranscoder does not support binary data" if document.is_a?(String) && !document.valid_encoding?

  [JSON.generate(document), TranscoderFlags.new(format: :json, lower_bits: 6).encode]
end