/usr/include/mediascanner-1.0/mediascanner/refreshpolicy.h is in libmediascanner-dev 0.3.93+14.04.20131024.1-0ubuntu1.
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The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | /*
* This file is part of the Ubuntu TV Media Scanner
* Copyright (C) 2012-2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3 as
* published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact: Jim Hodapp <jim.hodapp@canonical.com>
* Authored by: Mathias Hasselmann <mathias@openismus.com>
*/
#ifndef MEDIASCANNER_REFRESHPOLICY_H
#define MEDIASCANNER_REFRESHPOLICY_H
// Media Scanner Library
#include "mediascanner/declarations.h"
namespace mediascanner {
/**
* @brief Shared pointer holding a RefreshPolicy.
*/
typedef std::shared_ptr<RefreshPolicy> RefreshPolicyPtr;
/**
* @brief A refresh policy decides when changes to the media index must be
* re-read. A policy is needed because, to optimize performance,
* Lucene++ doesn't automatically refresh its index readers upon changes.
*/
class RefreshPolicy {
public:
virtual ~RefreshPolicy();
/**
* @brief The default policy - currently an instance of InstantRefreshPolicy.
*/
static RefreshPolicyPtr default_policy();
/**
* @brief This method is called by the MediaIndex before it starts any
* read operation. The policy can now check if the media index needs to
* be reopened, can can do so if needed.
* @param index
*/
virtual bool OnBeginReading(MediaIndex *index) = 0;
/**
* @brief This method is called by the WritableMediaIndex before it
* starts any write operation. The policy can now check if the media index
* needs to be reopened, can can do so if needed.
* @param index
*/
virtual bool OnBeginWriting(WritableMediaIndex *index) = 0;
};
class InstantRefreshPolicy : public RefreshPolicy {
public:
bool OnBeginReading(MediaIndex *index);
bool OnBeginWriting(WritableMediaIndex *index);
};
} // namespace mediascanner
#endif // MEDIASCANNER_REFRESHPOLICY_H
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