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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_9f69212e4c6e2ca9ec5ab59cd7b6275c.html">app</a></li><li class="navelem"><a class="el" href="dir_6ede744819a73843a57cf15397d64e44.html">main</a></li> </ul>
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<div class="title">NodeStoreScheduler.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Copyright (c) 2012, 2013 Ripple Labs Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#ifndef RIPPLE_APP_MAIN_NODESTORESCHEDULER_H_INCLUDED</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#define RIPPLE_APP_MAIN_NODESTORESCHEDULER_H_INCLUDED</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;ripple/nodestore/Scheduler.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;ripple/core/JobQueue.h&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;ripple/core/Stoppable.h&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/atomic.html">atomic</a>&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStoreScheduler.html"> 31</a></span>&#160;<span class="keyword">class </span><a class="code" href="classripple_1_1NodeStoreScheduler.html">NodeStoreScheduler</a></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; : <span class="keyword">public</span> <a class="code" href="classripple_1_1NodeStore_1_1Scheduler.html">NodeStore::Scheduler</a></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; , <span class="keyword">public</span> <a class="code" href="classripple_1_1Stoppable.html">Stoppable</a></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;{</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <a class="code" href="classripple_1_1NodeStoreScheduler.html#a96b26e08b9c88444a926c142508f1c0c">NodeStoreScheduler</a> (<a class="code" href="classripple_1_1Stoppable.html">Stoppable</a>&amp; parent);</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="comment">// VFALCO NOTE This is a temporary hack to solve the problem</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="comment">// of circular dependency.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classripple_1_1NodeStoreScheduler.html#aa867bc4406b1edb87c76e6fd423175b1">setJobQueue</a> (<a class="code" href="classripple_1_1JobQueue.html">JobQueue</a>&amp; jobQueue);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classripple_1_1NodeStoreScheduler.html#afb4cb30f4a2af0a88ed51eee872689f3">onStop</a> () <span class="keyword">override</span>;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classripple_1_1NodeStoreScheduler.html#a4f4bf5ea195e8d2cf94967e03e6ec375">onChildrenStopped</a> () <span class="keyword">override</span>;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classripple_1_1NodeStoreScheduler.html#a0b1c3260477e401b7e57493b0aaf9a3a">scheduleTask</a> (<a class="code" href="structripple_1_1NodeStore_1_1Task.html">NodeStore::Task</a>&amp; task) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classripple_1_1NodeStoreScheduler.html#a042848ff97f97cff8a602ffec6b9f807">onFetch</a> (<a class="code" href="structripple_1_1NodeStore_1_1FetchReport.html">NodeStore::FetchReport</a> <span class="keyword">const</span>&amp; report) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classripple_1_1NodeStoreScheduler.html#a0b9464b915021b488e3d2e22b840a62f">onBatchWrite</a> (<a class="code" href="structripple_1_1NodeStore_1_1BatchWriteReport.html">NodeStore::BatchWriteReport</a> <span class="keyword">const</span>&amp; report) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classripple_1_1NodeStoreScheduler.html#a1205e3496daf620da17f4e328b5d891e">doTask</a> (<a class="code" href="structripple_1_1NodeStore_1_1Task.html">NodeStore::Task</a>&amp; task);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStoreScheduler.html#a146acebc53e84da88b499513783d6687"> 52</a></span>&#160; <a class="code" href="classripple_1_1JobQueue.html">JobQueue</a>* <a class="code" href="classripple_1_1NodeStoreScheduler.html#a146acebc53e84da88b499513783d6687">m_jobQueue</a> {<span class="keyword">nullptr</span>};</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStoreScheduler.html#a658d50b2c4bfdb0446f9527551aa26bb"> 53</a></span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/atomic/atomic.html">std::atomic &lt;int&gt;</a> <a class="code" href="classripple_1_1NodeStoreScheduler.html#a658d50b2c4bfdb0446f9527551aa26bb">m_taskCount</a> {0};</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;};</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;} <span class="comment">// ripple</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html">ripple::NodeStoreScheduler</a></div><div class="ttdoc">A NodeStore::Scheduler which uses the JobQueue and implements the Stoppable API.</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8h_source.html#l00031">NodeStoreScheduler.h:31</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_a0b1c3260477e401b7e57493b0aaf9a3a"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#a0b1c3260477e401b7e57493b0aaf9a3a">ripple::NodeStoreScheduler::scheduleTask</a></div><div class="ttdeci">void scheduleTask(NodeStore::Task &amp;task) override</div><div class="ttdoc">Schedules a task.</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8cpp_source.html#l00045">NodeStoreScheduler.cpp:45</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_a042848ff97f97cff8a602ffec6b9f807"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#a042848ff97f97cff8a602ffec6b9f807">ripple::NodeStoreScheduler::onFetch</a></div><div class="ttdeci">void onFetch(NodeStore::FetchReport const &amp;report) override</div><div class="ttdoc">Reports completion of a fetch Allows the scheduler to monitor the node store's performance.</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8cpp_source.html#l00074">NodeStoreScheduler.cpp:74</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_a0b9464b915021b488e3d2e22b840a62f"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#a0b9464b915021b488e3d2e22b840a62f">ripple::NodeStoreScheduler::onBatchWrite</a></div><div class="ttdeci">void onBatchWrite(NodeStore::BatchWriteReport const &amp;report) override</div><div class="ttdoc">Reports the completion of a batch write Allows the scheduler to monitor the node store's performance.</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8cpp_source.html#l00082">NodeStoreScheduler.cpp:82</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_a96b26e08b9c88444a926c142508f1c0c"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#a96b26e08b9c88444a926c142508f1c0c">ripple::NodeStoreScheduler::NodeStoreScheduler</a></div><div class="ttdeci">NodeStoreScheduler(Stoppable &amp;parent)</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8cpp_source.html#l00025">NodeStoreScheduler.cpp:25</a></div></div>
<div class="ttc" id="astructripple_1_1NodeStore_1_1FetchReport_html"><div class="ttname"><a href="structripple_1_1NodeStore_1_1FetchReport.html">ripple::NodeStore::FetchReport</a></div><div class="ttdoc">Contains information about a fetch operation.</div><div class="ttdef"><b>Definition:</b> <a href="ripple_2nodestore_2Scheduler_8h_source.html#l00030">ripple/nodestore/Scheduler.h:30</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_a1205e3496daf620da17f4e328b5d891e"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#a1205e3496daf620da17f4e328b5d891e">ripple::NodeStoreScheduler::doTask</a></div><div class="ttdeci">void doTask(NodeStore::Task &amp;task)</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8cpp_source.html#l00059">NodeStoreScheduler.cpp:59</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_afb4cb30f4a2af0a88ed51eee872689f3"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#afb4cb30f4a2af0a88ed51eee872689f3">ripple::NodeStoreScheduler::onStop</a></div><div class="ttdeci">void onStop() override</div><div class="ttdoc">Override called when the stop notification is issued.</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8cpp_source.html#l00035">NodeStoreScheduler.cpp:35</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_a146acebc53e84da88b499513783d6687"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#a146acebc53e84da88b499513783d6687">ripple::NodeStoreScheduler::m_jobQueue</a></div><div class="ttdeci">JobQueue * m_jobQueue</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8h_source.html#l00052">NodeStoreScheduler.h:52</a></div></div>
<div class="ttc" id="aclassripple_1_1Stoppable_html"><div class="ttname"><a href="classripple_1_1Stoppable.html">ripple::Stoppable</a></div><div class="ttdoc">Provides an interface for starting and stopping.</div><div class="ttdef"><b>Definition:</b> <a href="Stoppable_8h_source.html#l00200">Stoppable.h:200</a></div></div>
<div class="ttc" id="astructripple_1_1NodeStore_1_1Task_html"><div class="ttname"><a href="structripple_1_1NodeStore_1_1Task.html">ripple::NodeStore::Task</a></div><div class="ttdoc">Derived classes perform scheduled tasks.</div><div class="ttdef"><b>Definition:</b> <a href="Task_8h_source.html#l00027">Task.h:27</a></div></div>
<div class="ttc" id="aatomic_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/atomic.html">atomic</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Scheduler_html"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Scheduler.html">ripple::NodeStore::Scheduler</a></div><div class="ttdoc">Scheduling for asynchronous backend activity.</div><div class="ttdef"><b>Definition:</b> <a href="ripple_2nodestore_2Scheduler_8h_source.html#l00057">ripple/nodestore/Scheduler.h:57</a></div></div>
<div class="ttc" id="astructripple_1_1NodeStore_1_1BatchWriteReport_html"><div class="ttname"><a href="structripple_1_1NodeStore_1_1BatchWriteReport.html">ripple::NodeStore::BatchWriteReport</a></div><div class="ttdoc">Contains information about a batch write operation.</div><div class="ttdef"><b>Definition:</b> <a href="ripple_2nodestore_2Scheduler_8h_source.html#l00041">ripple/nodestore/Scheduler.h:41</a></div></div>
<div class="ttc" id="aclassripple_1_1JobQueue_html"><div class="ttname"><a href="classripple_1_1JobQueue.html">ripple::JobQueue</a></div><div class="ttdoc">A pool of threads to perform work.</div><div class="ttdef"><b>Definition:</b> <a href="JobQueue_8h_source.html#l00056">JobQueue.h:56</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_aa867bc4406b1edb87c76e6fd423175b1"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#aa867bc4406b1edb87c76e6fd423175b1">ripple::NodeStoreScheduler::setJobQueue</a></div><div class="ttdeci">void setJobQueue(JobQueue &amp;jobQueue)</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8cpp_source.html#l00030">NodeStoreScheduler.cpp:30</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_a4f4bf5ea195e8d2cf94967e03e6ec375"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#a4f4bf5ea195e8d2cf94967e03e6ec375">ripple::NodeStoreScheduler::onChildrenStopped</a></div><div class="ttdeci">void onChildrenStopped() override</div><div class="ttdoc">Override called when all children have stopped.</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8cpp_source.html#l00039">NodeStoreScheduler.cpp:39</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStoreScheduler_html_a658d50b2c4bfdb0446f9527551aa26bb"><div class="ttname"><a href="classripple_1_1NodeStoreScheduler.html#a658d50b2c4bfdb0446f9527551aa26bb">ripple::NodeStoreScheduler::m_taskCount</a></div><div class="ttdeci">std::atomic&lt; int &gt; m_taskCount</div><div class="ttdef"><b>Definition:</b> <a href="NodeStoreScheduler_8h_source.html#l00053">NodeStoreScheduler.h:53</a></div></div>
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