{-# LANGUAGE TemplateHaskell #-}

{-| Lenses for job-queue objects

-}

{-

Copyright (C) 2014 Google Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.

-}

module Ganeti.JQueue.Lens where

import Ganeti.JQueue.Objects
import Ganeti.Lens (makeCustomLenses)

$(makeCustomLenses ''QueuedOpCode)

$(makeCustomLenses ''QueuedJob)


{-# LANGUAGE TemplateHaskell #-}

{-| Lenses for job-queue objects

-}

{-

Copyright (C) 2014 Google Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.

-}

module Ganeti.JQueue.Lens where

import Control.Lens.Prism (Prism', prism')

import Ganeti.JQueue.Objects
import Ganeti.Lens (makeCustomLenses)
import Ganeti.OpCodes (MetaOpCode)

validOpCodeL :: Prism' InputOpCode MetaOpCode
validOpCodeL = prism' ValidOpCode $ \op ->
  case op of
    ValidOpCode mop -> Just mop
    _ -> Nothing

$(makeCustomLenses ''QueuedOpCode)

$(makeCustomLenses ''QueuedJob)


Add a prism for ValidOpCode
Add a prism for ValidOpCode

...to be able to operate on the MetaOpCode that
is behind an InputOpCode (if we're in the right
component of the sum).

Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Petr Pudlak <9d19625f8ee825a2c398462ed335cbcf98f79c32@google.com>
