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annotate deps/Platinum/ThirdParty/Neptune/Source/Core/NptQueue.h @ 0:3425707ddbf6

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author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /*****************************************************************
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2 |
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3 | Neptune - Queue
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4 |
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5 | Copyright (c) 2002-2008, Axiomatic Systems, LLC.
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6 | All rights reserved.
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7 |
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8 | Redistribution and use in source and binary forms, with or without
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9 | modification, are permitted provided that the following conditions are met:
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10 | * Redistributions of source code must retain the above copyright
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11 | notice, this list of conditions and the following disclaimer.
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12 | * Redistributions in binary form must reproduce the above copyright
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13 | notice, this list of conditions and the following disclaimer in the
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14 | documentation and/or other materials provided with the distribution.
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15 | * Neither the name of Axiomatic Systems nor the
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16 | names of its contributors may be used to endorse or promote products
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17 | derived from this software without specific prior written permission.
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18 |
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19 | THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
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20 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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22 | DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
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23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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29 |
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30 ****************************************************************/
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31
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32 #ifndef _NPT_QUEUE_H_
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33 #define _NPT_QUEUE_H_
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34
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35 /*----------------------------------------------------------------------
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36 | includes
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37 +---------------------------------------------------------------------*/
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38 #include "NptTypes.h"
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39 #include "NptConstants.h"
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40
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41 /*----------------------------------------------------------------------
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42 | NPT_QueueItem
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43 +---------------------------------------------------------------------*/
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44 class NPT_QueueItem;
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45
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46 /*----------------------------------------------------------------------
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47 | NPT_GenericQueue
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48 +---------------------------------------------------------------------*/
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49 class NPT_GenericQueue
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50 {
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51 public:
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52 // class methods
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53 static NPT_GenericQueue* CreateInstance(NPT_Cardinal max_items = 0);
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54
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55 // methods
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56 virtual ~NPT_GenericQueue() {}
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57 virtual NPT_Result Push(NPT_QueueItem* item,
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58 NPT_Timeout timeout = NPT_TIMEOUT_INFINITE) = 0;
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59 virtual NPT_Result Pop(NPT_QueueItem*& item,
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60 NPT_Timeout timeout = NPT_TIMEOUT_INFINITE) = 0;
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61 virtual NPT_Result Peek(NPT_QueueItem*& item,
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62 NPT_Timeout timeout = NPT_TIMEOUT_INFINITE) = 0;
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63 protected:
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64 // methods
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65 NPT_GenericQueue() {}
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66 };
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67
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68 /*----------------------------------------------------------------------
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69 | NPT_Queue
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70 +---------------------------------------------------------------------*/
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71 template <class T>
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72 class NPT_Queue
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73 {
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74 public:
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75 // methods
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76 NPT_Queue(NPT_Cardinal max_items = 0) :
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77 m_Delegate(NPT_GenericQueue::CreateInstance(max_items)) {}
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78 virtual ~NPT_Queue<T>() { delete m_Delegate; }
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79 virtual NPT_Result Push(T* item, NPT_Timeout timeout = NPT_TIMEOUT_INFINITE) {
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80 return m_Delegate->Push(reinterpret_cast<NPT_QueueItem*>(item), timeout);
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81 }
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82 virtual NPT_Result Pop(T*& item, NPT_Timeout timeout = NPT_TIMEOUT_INFINITE) {
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83 return m_Delegate->Pop(reinterpret_cast<NPT_QueueItem*&>(item),
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84 timeout);
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85 }
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86 virtual NPT_Result Peek(T*& item, NPT_Timeout timeout = NPT_TIMEOUT_INFINITE) {
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87 return m_Delegate->Peek(reinterpret_cast<NPT_QueueItem*&>(item),
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88 timeout);
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89 }
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90
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91 protected:
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92 // members
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93 NPT_GenericQueue* m_Delegate;
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94 };
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95
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96 #endif // _NPT_QUEUE_H_