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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU Affero General Public License
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8 * as published by the Free Software Foundation, either version 3 of
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9 * the License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #pragma once
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22
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23 #include "CacheIndex.h"
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24
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25 #include <boost/noncopyable.hpp>
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26 #include <list>
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27
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28 namespace OrthancPlugins
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29 {
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30 class CacheScheduler;
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31
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32 class IPrefetchPolicy : public boost::noncopyable
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33 {
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34 public:
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35 virtual ~IPrefetchPolicy()
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36 {
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37 }
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38
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39 // Mutual exclusion is enforced when calling this method.
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40 // "toPrefetch" must be listed from top-priority to low-priority.
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41 virtual void Apply(std::list<CacheIndex>& toPrefetch,
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42 CacheScheduler& cache,
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43 const CacheIndex& index,
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44 const std::string& content) = 0;
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45 };
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46 }
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