MPD
0.20.15
db
update
Queue.hxx
Go to the documentation of this file.
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/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_UPDATE_QUEUE_HXX
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#define MPD_UPDATE_QUEUE_HXX
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#include "
check.h
"
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#include "
Compiler.h
"
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#include <string>
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#include <list>
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class
SimpleDatabase
;
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class
Storage
;
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struct
UpdateQueueItem
{
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SimpleDatabase
*
db
;
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Storage
*
storage
;
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std::string
path_utf8
;
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unsigned
id
;
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bool
discard
;
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UpdateQueueItem
():
id
(0) {}
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UpdateQueueItem
(
SimpleDatabase
&_db,
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Storage
&_storage,
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const
char
*_path,
bool
_discard,
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unsigned
_id)
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:
db
(&_db),
storage
(&_storage),
path_utf8
(_path),
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id
(_id),
discard
(_discard) {}
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bool
IsDefined
()
const
{
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return
id
!= 0;
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}
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};
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class
UpdateQueue
{
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static
constexpr
unsigned
MAX_UPDATE_QUEUE_SIZE = 32;
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std::list<UpdateQueueItem> update_queue;
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public
:
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gcc_nonnull_all
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bool
Push
(
SimpleDatabase
&db,
Storage
&
storage
,
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const
char
*path,
bool
discard,
unsigned
id
);
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UpdateQueueItem
Pop
();
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void
Clear
() {
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update_queue.clear();
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}
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gcc_nonnull_all
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void
Erase
(
SimpleDatabase
&db);
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gcc_nonnull_all
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void
Erase
(
Storage
&
storage
);
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};
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#endif
UpdateQueueItem::id
unsigned id
Definition:
Queue.hxx:37
UpdateQueue::Pop
UpdateQueueItem Pop()
check.h
gcc_nonnull_all
#define gcc_nonnull_all
Definition:
Compiler.h:122
UpdateQueue
Definition:
Queue.hxx:54
UpdateQueueItem::IsDefined
bool IsDefined() const
Definition:
Queue.hxx:49
UpdateQueueItem::discard
bool discard
Definition:
Queue.hxx:38
UpdateQueueItem
Definition:
Queue.hxx:32
Storage
Definition:
StorageInterface.hxx:45
UpdateQueueItem::UpdateQueueItem
UpdateQueueItem()
Definition:
Queue.hxx:40
Compiler.h
UpdateQueue::Push
gcc_nonnull_all bool Push(SimpleDatabase &db, Storage &storage, const char *path, bool discard, unsigned id)
storage
const Storage & storage
Definition:
DatabasePlaylist.hxx:31
UpdateQueue::Erase
gcc_nonnull_all void Erase(SimpleDatabase &db)
SimpleDatabase
Definition:
SimpleDatabasePlugin.hxx:38
UpdateQueueItem::path_utf8
std::string path_utf8
Definition:
Queue.hxx:36
UpdateQueueItem::UpdateQueueItem
UpdateQueueItem(SimpleDatabase &_db, Storage &_storage, const char *_path, bool _discard, unsigned _id)
Definition:
Queue.hxx:42
UpdateQueueItem::db
SimpleDatabase * db
Definition:
Queue.hxx:33
UpdateQueue::Clear
void Clear()
Definition:
Queue.hxx:66
UpdateQueueItem::storage
Storage * storage
Definition:
Queue.hxx:34
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