Class: XapianDb::TypeCodec::IntegerCodec

Inherits:

Object

• Object
• XapianDb::TypeCodec::IntegerCodec

Defined in:

lib/type_codec.rb

Class Method Summary

• .decode(encoded_integer) ⇒ Integer

  Decode a string to an integer.

• .encode(number) ⇒ String

  Encode an integer to a sortable string.

Class Method Details

.decode(encoded_integer) ⇒ Integer

Decode a string to an integer

Parameters:

• integer_as_string (String) —

  a string representing an integer

Returns:

• (Integer) —

  the decoded integer

# File 'lib/type_codec.rb', line 188

def self.decode(encoded_integer)
  begin
    return nil if encoded_integer.nil? || encoded_integer.to_s.strip == ""
    Xapian::sortable_unserialise(encoded_integer).to_i
  rescue TypeError
    raise ArgumentError.new "#{encoded_integer} cannot be unserialized"
  end
end

.encode(number) ⇒ String

Encode an integer to a sortable string

Parameters:

• integer (Integer) —

  an integer to encode

Returns:

• (String) —

  the encoded integer

# File 'lib/type_codec.rb', line 175

def self.encode(number)
  return nil if number.nil?
  case number.class.name
    when "Fixnum", "Integer"
      Xapian::sortable_serialise number
    else
      raise ArgumentError.new "#{number} was expected to be an integer"
  end
end