NAME

Jubatus::Common::Datum - Common data structure for each Perl client modules of Jubatus.

SYNOPSIS

use Jubatus::Common::Datum;

# or use Jubatus
#
# Jubatus.pm have the interfaces to use Jubatus::Common::Datum .

DESCRIPTION

This module provide the constructors and the methods to use interface of each Perl client modules of Jubatus.

METHODS

Jubatus::Common::Datum will provide many packages and constructors, methods. You can use these with Jubatus or Jubatus::***::Clients.

Packages

Jubatus::Common::Datum

If you want to use this package, all one need to do is write "use Jubatus::Common::Datum;" or "use Jubatus;".

Constructors

Jubatus::Common::Datum->new($string_values, $num_values);

Input:

- $string_values is a hash reference.
  Each entries of this hash reference are String key and String value.

- $num_values is a hash reference.
  Each entries of this hash reference are String key and Float value.

Output:

- Jubatus::Common::Datum object.

  This object have two fields.
  'string_values' field locate the array reference which was inputed as
  $string_values in constructor.
  'num_values' field locate the array reference which was inputed as
  $num_values in constructor.

Functions

to_msgpack->()

Input:

- None

Output:

- A array reference

  This array reference locate $string_values and $num_values which are given
  in constructor.

  This array reference certainly locate two array references. First
  reference are allowed to locate many array references. Each of located
  arrry references should have two string value which are called "key"
  and "value". Second reference are allowed to locate many array references.
  Each of located arrry references should have two values. First string
  value which are called "key" and second float value which are called
  "value".

from_msgpack->($return_value_from_msgpack)

Input:

- $return_value_from_msgpack is a array reference.

  This array reference certainly locate two array references. First
  reference are allowed to locate many array references. Each of located
  arrry references should have two string value which are called "key"
  and "value". Second reference are allowed to locate many array references.
  Each of located arrry references should have two values. First string
  value which are called "key" and second float value which are called
  "value".

Output:

- Jubatus::Common::Datum object.

hash_ref_to_array_ref->($hash_ref)

Input:

- $hash_ref is a hash reference.

Each entries of this hash reference are String key and (String|Float)
value.

Output:

- An array reference of the array references

This arrry references is allowed to locate many array references. Each
of these array references should have two values which are called "key"
and "value". The data type of key should be String. The data type
of value should be String or Float.

SEE ALSO

Jubatus

http://jubat.us/ https://github.com/jubatus

AnyEvent::MPRPC AnyEvent::MPRPC::Client http://msgpack.org/ http://wiki.msgpack.org/display/MSGPACK/RPC+specification

https://github.com/overlast/p5-Jubatus

LICENSE

Copyright (C) 2013 by Toshinori Sato (@overlast).

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

The licence of Jubatus is LGPL 2.1.

Jubatus: Online machine learning framework for distributed environment
Copyright (C) 2011,2012 Preferred Infrastructure and Nippon Telegraph and Telephone Corporation.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.

However Jubatus.pm and Jubatus::*.pm is the pure Perl modules. Therefor the licence of Jubatus.pm and Jubatus::*.pm is the Perl's licence.

AUTHOR

Toshinori Sato (@overlast) <overlasting@gmail.com>

cpanm Jubatus

perl -MCPAN -e shell
install Jubatus