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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_c_database_8h_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
changeset 14 578be2adaf3e
parent 6 43e37759235e
permissions -rw-r--r--
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/Base/SemaphoreExample/inc/CDatabase.h Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/Base/SemaphoreExample/inc/CDatabase.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
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<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
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<a name="l00007"></a>00007 <span class="comment">//</span>
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<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
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<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00010"></a>00010 <span class="comment">//</span>
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<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Description:</span>
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<a name="l00014"></a>00014 <span class="comment">// Contains the definition of the CDatabase class.</span>
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<a name="l00015"></a>00015 <span class="comment">//</span>
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<a name="l00016"></a>00016 <span class="preprocessor">#ifndef CDATABASE_H_</span>
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<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define CDATABASE_H_</span>
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<a name="l00018"></a>00018 <span class="preprocessor"></span>
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<a name="l00019"></a>00019 <span class="preprocessor">#include &lt;e32cons.h&gt;</span>
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<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;e32base.h&gt;</span>  <span class="comment">//Used for CBase.</span>
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<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;d32dbms.h&gt;</span>  <span class="comment">//Used for RDbDatabase class.</span>
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<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;s32file.h&gt;</span>  <span class="comment">//Used for CFileStore class.</span>
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<a name="l00023"></a>00023
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<a name="l00028"></a><a class="code" href="class_c_database.html">00028</a> <span class="keyword">class </span><a class="code" href="class_c_database.html">CDatabase</a> : <span class="keyword">public</span> CBase
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<a name="l00029"></a>00029 {
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<a name="l00030"></a>00030 <span class="keyword">public</span>:
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<a name="l00031"></a>00031     <span class="keyword">static</span> <a class="code" href="class_c_database.html">CDatabase</a>* <a class="code" href="class_c_database.html#aab355b9be127debd7a5d54e5ac8f9021">NewL</a>();
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<a name="l00032"></a>00032     <span class="keyword">virtual</span> <a class="code" href="class_c_database.html#a9a3adb67c04d4f1432556aab4149841e">~CDatabase</a>();
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<a name="l00033"></a>00033
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<a name="l00034"></a>00034     <span class="comment">//Method to create a database.</span>
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<a name="l00035"></a>00035     <span class="keywordtype">void</span> <a class="code" href="class_c_database.html#a89047671e6c027e4551a8b7a276add96">CreateDatabaseL</a>();
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<a name="l00036"></a>00036     <span class="comment">//Method to read the database. </span>
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<a name="l00037"></a>00037     <span class="keywordtype">void</span> <a class="code" href="class_c_database.html#ae9fea33b26bf2ba7cdad59361ee45221">ReadfromDatabaseL</a>();
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<a name="l00038"></a>00038     <span class="comment">//Method to write into the database.</span>
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<a name="l00039"></a>00039     <span class="keywordtype">void</span> <a class="code" href="class_c_database.html#a5df7d7393cfb36c850d562df4f35a0f6">WritetoDatabaseL</a>();
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<a name="l00040"></a>00040
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<a name="l00041"></a>00041     <span class="comment">//The callback function for ReaderThread associated with the CPeriodic object.</span>
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<a name="l00042"></a>00042     <span class="keyword">static</span> TInt <a class="code" href="class_c_database.html#a26f8d942e0dc5c8050afd5cbb0d80f18">PeriodicReadL</a>(TAny* aPtr);
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<a name="l00043"></a>00043     <span class="comment">//The periodic function to read the database. </span>
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<a name="l00044"></a>00044     <span class="keywordtype">void</span> <a class="code" href="class_c_database.html#a3546e400216858a7ae560808a9d1465e">PeriodicReadFuncL</a>();
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<a name="l00045"></a>00045
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<a name="l00046"></a>00046     <span class="comment">//The callback function for WriterThread associated with the CPeriodic object.</span>
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<a name="l00047"></a>00047     <span class="keyword">static</span> TInt <a class="code" href="class_c_database.html#a726242c03596e80a98deeef4c5c1681c">PeriodicWriteL</a>(TAny* aPtr);
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<a name="l00048"></a>00048     <span class="comment">//The periodic function to write into the database.</span>
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<a name="l00049"></a>00049     <span class="keywordtype">void</span> <a class="code" href="class_c_database.html#a4a0f7606f98a6db98addb52a7ca2b881">PeriodicWriteFuncL</a>();
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<a name="l00050"></a>00050
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<a name="l00051"></a>00051 <span class="keyword">protected</span>:
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<a name="l00052"></a>00052     <span class="keywordtype">void</span> <a class="code" href="class_c_database.html#ad3d6215a0fa65e7ead3533065905a747">ConstructL</a>();
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<a name="l00053"></a>00053
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<a name="l00054"></a>00054 <span class="keyword">private</span>:
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<a name="l00055"></a>00055     RFs iFsSession; <span class="comment">//file session object.</span>
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<a name="l00056"></a>00056     RDbStoreDatabase iDatabase; <span class="comment">//database object.</span>
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<a name="l00057"></a>00057     TFileName iDbname;
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059     <span class="comment">//CPeriodic object to periodically read/write to the DB.</span>
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<a name="l00060"></a>00060     CPeriodic* iPeriodic;
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<a name="l00061"></a>00061
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<a name="l00062"></a>00062     CConsoleBase* iConsole;
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<a name="l00063"></a>00063
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<a name="l00064"></a>00064 <span class="preprocessor">    #ifdef USE_SEMAPHORE</span>
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<a name="l00065"></a>00065 <span class="preprocessor"></span>    <span class="comment">//Semaphore which schedules order of execution.  </span>
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<a name="l00066"></a>00066     RSemaphore iSemWrite;
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<a name="l00067"></a>00067 <span class="preprocessor">    #endif</span>
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<a name="l00068"></a>00068 <span class="preprocessor"></span>};
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<a name="l00069"></a>00069
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<a name="l00070"></a>00070 <span class="preprocessor">#endif </span><span class="comment">/*CDATABASE_H_*/</span>
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>
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