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# Copyright (c) 2012 - 2019, Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Boilerplate
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from __future__ import absolute_import, division, print_function, unicode_literals

import logging
log = logging.getLogger(__name__)

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# Imports
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# Standard library imports

# External imports

# Bokeh imports
from ..message import Message
from . import register

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# Globals and constants
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__all__ = (
    'ok_1',
)

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# General API
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# Dev API
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@register
class ok_1(Message):
    ''' Define the ``OK`` message (revision 1) for acknowledging successful
    handling of a previous message.

    The ``content`` fragment of for this message is empty.

    '''

    msgtype  = 'OK'
    revision = 1

    @classmethod
    def create(cls, request_id, **metadata):
        ''' Create an ``OK`` message

        Args:
            request_id (str) :
                The message ID for the message the precipitated the OK.

        Any additional keyword arguments will be put into the message
        ``metadata`` fragment as-is.

        '''
        header = cls.create_header(request_id=request_id)
        return cls(header, metadata, {})

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# Private API
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# Code
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