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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_ceb6d1bc218d15504336f945ff1322da.html">nodestore</a></li> </ul>
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<div class="title">DatabaseShard.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2012, 2017 Ripple Labs Inc.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef RIPPLE_NODESTORE_DATABASESHARD_H_INCLUDED</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define RIPPLE_NODESTORE_DATABASESHARD_H_INCLUDED</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ripple/app/ledger/Ledger.h></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <ripple/core/SociDB.h></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <ripple/nodestore/Database.h></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <ripple/nodestore/ShardInfo.h></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <ripple/nodestore/Types.h></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/memory.html">memory</a>></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>></span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>NodeStore {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1DatabaseShard.html"> 37</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html">DatabaseShard</a> : <span class="keyword">public</span> <a class="code" href="classripple_1_1NodeStore_1_1Database.html">Database</a></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a617c1739d14f737d9e4fda3b0cb76361"> 47</a></span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a617c1739d14f737d9e4fda3b0cb76361">DatabaseShard</a>(</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="classripple_1_1NodeStore_1_1Scheduler.html">Scheduler</a>& scheduler,</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">int</span> readThreads,</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classripple_1_1Section.html">Section</a> <span class="keyword">const</span>& config,</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> journal)</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  : <a class="code" href="classripple_1_1NodeStore_1_1Database.html">Database</a>(scheduler, readThreads, config, journal)</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  [[nodiscard]] <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a620a17c7b2a6ca4a05c79a1f6637abca">init</a>() = 0;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  [[nodiscard]] <span class="keyword">virtual</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint32_t></a></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a78a0781aff3b86e44c701c280317d146">prepareLedger</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> validLedgerSeq) = 0;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  [[nodiscard]] <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#ac4b147629a573d6a8a69599356016a83">prepareShards</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint32_t></a> <span class="keyword">const</span>& shardIndexes) = 0;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a435483044cad610e25db707999b4544a">removePreShard</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex) = 0;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  [[nodiscard]] <span class="keyword">virtual</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a2532e82d6e564cc5c186a23c4e848de0">getPreShards</a>() = 0;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  [[nodiscard]] <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#ae86f08a36583502b9050a087c95ba1b6">importShard</a>(</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex,</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  boost::filesystem::path <span class="keyword">const</span>& srcDir) = 0;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  [[nodiscard]] <span class="keyword">virtual</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Ledger></a></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a02c60dcae61eec37bbe4c64dbabf46d6">fetchLedger</a>(<a class="code" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>& hash, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> seq) = 0;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a9ac112f923d4db1db4bf3a52711aab12">setStored</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Ledger const></a> <span class="keyword">const</span>& ledger) = 0;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a4d71fc33c8191e1c903fd94114c46c18">callForLedgerSQLByLedgerSeq</a>(</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">LedgerIndex</a> ledgerSeq,</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><<span class="keywordtype">bool</span>(soci::session& session)> <span class="keyword">const</span>& callback) = 0;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#ae970aa611a520bef1e2ef02f523e052a">callForLedgerSQLByShardIndex</a>(</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex,</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><<span class="keywordtype">bool</span>(soci::session& session)> <span class="keyword">const</span>& callback) = 0;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a682bb59a1bbf022bf0bc9467415e4761">callForTransactionSQLByLedgerSeq</a>(</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">LedgerIndex</a> ledgerSeq,</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><<span class="keywordtype">bool</span>(soci::session& session)> <span class="keyword">const</span>& callback) = 0;</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#af6ebcc401445b0466886eb59e5fd8fa6">callForTransactionSQLByShardIndex</a>(</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex,</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><<span class="keywordtype">bool</span>(soci::session& session)> <span class="keyword">const</span>& callback) = 0;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  </div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#ab977daf0672d27ec55caacea014bdeda">iterateLedgerSQLsForward</a>(</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint32_t></a> minShardIndex,</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">bool</span>(soci::session& session, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex)> <span class="keyword">const</span>&</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  callback) = 0;</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a6191fa82da1f487ec4792f7034aedaf2">iterateTransactionSQLsForward</a>(</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint32_t></a> minShardIndex,</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">bool</span>(soci::session& session, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex)> <span class="keyword">const</span>&</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  callback) = 0;</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a24329c346c5292fff5361af0604b3be3">iterateLedgerSQLsBack</a>(</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint32_t></a> maxShardIndex,</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">bool</span>(soci::session& session, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex)> <span class="keyword">const</span>&</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  callback) = 0;</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  </div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#afcc018f1fc072c16dbe6d9ef1f7e4795">iterateTransactionSQLsBack</a>(</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint32_t></a> maxShardIndex,</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordtype">bool</span>(soci::session& session, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex)> <span class="keyword">const</span>&</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  callback) = 0;</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  [[nodiscard]] <span class="keyword">virtual</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<ShardInfo></a></div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a9589fc815aacfaf4a03222ab0751cca2">getShardInfo</a>() <span class="keyword">const</span> = 0;</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  [[nodiscard]] <span class="keyword">virtual</span> boost::filesystem::path <span class="keyword">const</span>&</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a4cb31c3ebed3f201bc0cd563666ed3c9">getRootDir</a>() <span class="keyword">const</span> = 0;</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  </div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">virtual</span> <a class="code" href="classJson_1_1Value.html">Json::Value</a></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a28f06b51f3f4465d44c7324d450de65f">getDatabaseImportStatus</a>() <span class="keyword">const</span> = 0;</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  </div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">virtual</span> <a class="code" href="classJson_1_1Value.html">Json::Value</a></div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a43d746883cc502df22837f469e344e4d">startNodeToShard</a>() = 0;</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  </div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">virtual</span> <a class="code" href="classJson_1_1Value.html">Json::Value</a></div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#adea6a9e03d63bccdadee0fde68aa5d1b">stopNodeToShard</a>() = 0;</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">virtual</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint32_t></a></div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a0a9981be2b0583217f800f8c3f4881d6">getDatabaseImportSequence</a>() <span class="keyword">const</span> = 0;</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  [[nodiscard]] <span class="keyword">virtual</span> <span class="keywordtype">size_t</span></div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <a class="code" href="classripple_1_1NodeStore_1_1DatabaseShard.html#a0b4f3c61f37b3a21d8ad61d581dc1fc2">getNumTasks</a>() <span class="keyword">const</span> = 0;</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> };</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="keyword">extern</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<DatabaseShard></a></div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <a class="code" href="namespaceripple_1_1NodeStore.html#a7be855c3077d023e4b0c9905f9fe10e0">make_ShardStore</a>(</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <a class="code" href="classripple_1_1Application.html">Application</a>& app,</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  Scheduler& scheduler,</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordtype">int</span> readThreads,</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> j);</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> } <span class="comment">// namespace NodeStore</span></div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> } <span class="comment">// namespace ripple</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  </div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#endif</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassripple_1_1Section_html"><div class="ttname"><a href="classripple_1_1Section.html">ripple::Section</a></div><div class="ttdoc">Holds a collection of configuration values.</div><div class="ttdef"><b>Definition:</b> <a href="BasicConfig_8h_source.html#l00042">BasicConfig.h:42</a></div></div>
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<div class="ttc" id="aclassripple_1_1Application_html"><div class="ttname"><a href="classripple_1_1Application.html">ripple::Application</a></div><div class="ttdef"><b>Definition:</b> <a href="Application_8h_source.html#l00116">Application.h:116</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1NodeStore_html_a7be855c3077d023e4b0c9905f9fe10e0"><div class="ttname"><a href="namespaceripple_1_1NodeStore.html#a7be855c3077d023e4b0c9905f9fe10e0">ripple::NodeStore::make_ShardStore</a></div><div class="ttdeci">std::unique_ptr< DatabaseShard > make_ShardStore(Application &app, Scheduler &scheduler, int readThreads, beast::Journal j)</div><div class="ttdef"><b>Definition:</b> <a href="DatabaseShardImp_8cpp_source.html#l02236">DatabaseShardImp.cpp:2236</a></div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a4d71fc33c8191e1c903fd94114c46c18"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a4d71fc33c8191e1c903fd94114c46c18">ripple::NodeStore::DatabaseShard::callForLedgerSQLByLedgerSeq</a></div><div class="ttdeci">virtual bool callForLedgerSQLByLedgerSeq(LedgerIndex ledgerSeq, std::function< bool(soci::session &session)> const &callback)=0</div><div class="ttdoc">Invoke a callback on the SQLite db holding the corresponding ledger.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a0b4f3c61f37b3a21d8ad61d581dc1fc2"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a0b4f3c61f37b3a21d8ad61d581dc1fc2">ripple::NodeStore::DatabaseShard::getNumTasks</a></div><div class="ttdeci">virtual size_t getNumTasks() const =0</div><div class="ttdoc">Returns the number of queued tasks.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html">ripple::NodeStore::Database</a></div><div class="ttdoc">Persistency layer for NodeObject.</div><div class="ttdef"><b>Definition:</b> <a href="Database_8h_source.html#l00051">Database.h:51</a></div></div>
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<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr< Ledger ></a></div></div>
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<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a28f06b51f3f4465d44c7324d450de65f"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a28f06b51f3f4465d44c7324d450de65f">ripple::NodeStore::DatabaseShard::getDatabaseImportStatus</a></div><div class="ttdeci">virtual Json::Value getDatabaseImportStatus() const =0</div><div class="ttdoc">Returns a JSON object detailing the status of an ongoing database import if one is running,...</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_ae970aa611a520bef1e2ef02f523e052a"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#ae970aa611a520bef1e2ef02f523e052a">ripple::NodeStore::DatabaseShard::callForLedgerSQLByShardIndex</a></div><div class="ttdeci">virtual bool callForLedgerSQLByShardIndex(std::uint32_t shardIndex, std::function< bool(soci::session &session)> const &callback)=0</div><div class="ttdoc">Invoke a callback on the ledger SQLite db for the corresponding shard.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a682bb59a1bbf022bf0bc9467415e4761"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a682bb59a1bbf022bf0bc9467415e4761">ripple::NodeStore::DatabaseShard::callForTransactionSQLByLedgerSeq</a></div><div class="ttdeci">virtual bool callForTransactionSQLByLedgerSeq(LedgerIndex ledgerSeq, std::function< bool(soci::session &session)> const &callback)=0</div><div class="ttdoc">Invoke a callback on the transaction SQLite db for the corresponding ledger.</div></div>
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<div class="ttc" id="afunction_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a></div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a4cb31c3ebed3f201bc0cd563666ed3c9"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a4cb31c3ebed3f201bc0cd563666ed3c9">ripple::NodeStore::DatabaseShard::getRootDir</a></div><div class="ttdeci">virtual boost::filesystem::path const & getRootDir() const =0</div><div class="ttdoc">Returns the root database directory.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a78a0781aff3b86e44c701c280317d146"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a78a0781aff3b86e44c701c280317d146">ripple::NodeStore::DatabaseShard::prepareLedger</a></div><div class="ttdeci">virtual std::optional< std::uint32_t > prepareLedger(std::uint32_t validLedgerSeq)=0</div><div class="ttdoc">Prepare to store a new ledger in the shard being acquired.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a0a9981be2b0583217f800f8c3f4881d6"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a0a9981be2b0583217f800f8c3f4881d6">ripple::NodeStore::DatabaseShard::getDatabaseImportSequence</a></div><div class="ttdeci">virtual std::optional< std::uint32_t > getDatabaseImportSequence() const =0</div><div class="ttdoc">Returns the first ledger sequence of the shard currently being imported from the NodeStore.</div></div>
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<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::base_uint< 256 ></a></div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a24329c346c5292fff5361af0604b3be3"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a24329c346c5292fff5361af0604b3be3">ripple::NodeStore::DatabaseShard::iterateLedgerSQLsBack</a></div><div class="ttdeci">virtual bool iterateLedgerSQLsBack(std::optional< std::uint32_t > maxShardIndex, std::function< bool(soci::session &session, std::uint32_t shardIndex)> const &callback)=0</div><div class="ttdoc">iterateLedgerSQLsBack Checks out ledger databases for all shards in descending order starting from gi...</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_ab977daf0672d27ec55caacea014bdeda"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#ab977daf0672d27ec55caacea014bdeda">ripple::NodeStore::DatabaseShard::iterateLedgerSQLsForward</a></div><div class="ttdeci">virtual bool iterateLedgerSQLsForward(std::optional< std::uint32_t > minShardIndex, std::function< bool(soci::session &session, std::uint32_t shardIndex)> const &callback)=0</div><div class="ttdoc">iterateLedgerSQLsForward Checks out ledger databases for all shards in ascending order starting from ...</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_af6ebcc401445b0466886eb59e5fd8fa6"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#af6ebcc401445b0466886eb59e5fd8fa6">ripple::NodeStore::DatabaseShard::callForTransactionSQLByShardIndex</a></div><div class="ttdeci">virtual bool callForTransactionSQLByShardIndex(std::uint32_t shardIndex, std::function< bool(soci::session &session)> const &callback)=0</div><div class="ttdoc">Invoke a callback on the transaction SQLite db for the corresponding shard.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html">ripple::NodeStore::DatabaseShard</a></div><div class="ttdoc">A collection of historical shards.</div><div class="ttdef"><b>Definition:</b> <a href="DatabaseShard_8h_source.html#l00037">DatabaseShard.h:37</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html"><div class="ttname"><a href="classbeast_1_1Journal.html">beast::Journal</a></div><div class="ttdoc">A generic endpoint for log messages.</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00058">Journal.h:58</a></div></div>
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<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div></div>
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<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#l00060">ripple/nodestore/Scheduler.h:60</a></div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_ac4b147629a573d6a8a69599356016a83"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#ac4b147629a573d6a8a69599356016a83">ripple::NodeStore::DatabaseShard::prepareShards</a></div><div class="ttdeci">virtual bool prepareShards(std::vector< std::uint32_t > const &shardIndexes)=0</div><div class="ttdoc">Prepare one or more shard indexes to be imported into the database.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_afcc018f1fc072c16dbe6d9ef1f7e4795"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#afcc018f1fc072c16dbe6d9ef1f7e4795">ripple::NodeStore::DatabaseShard::iterateTransactionSQLsBack</a></div><div class="ttdeci">virtual bool iterateTransactionSQLsBack(std::optional< std::uint32_t > maxShardIndex, std::function< bool(soci::session &session, std::uint32_t shardIndex)> const &callback)=0</div><div class="ttdoc">iterateTransactionSQLsBack Checks out transaction databases for all shards in descending order starti...</div></div>
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<div class="ttc" id="amemory_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/memory.html">memory</a></div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_adea6a9e03d63bccdadee0fde68aa5d1b"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#adea6a9e03d63bccdadee0fde68aa5d1b">ripple::NodeStore::DatabaseShard::stopNodeToShard</a></div><div class="ttdeci">virtual Json::Value stopNodeToShard()=0</div><div class="ttdoc">Terminates a NodeStore to ShardStore import and returns the result in a JSON object.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a02c60dcae61eec37bbe4c64dbabf46d6"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a02c60dcae61eec37bbe4c64dbabf46d6">ripple::NodeStore::DatabaseShard::fetchLedger</a></div><div class="ttdeci">virtual std::shared_ptr< Ledger > fetchLedger(uint256 const &hash, std::uint32_t seq)=0</div><div class="ttdoc">Fetch a ledger from the shard store.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_ae86f08a36583502b9050a087c95ba1b6"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#ae86f08a36583502b9050a087c95ba1b6">ripple::NodeStore::DatabaseShard::importShard</a></div><div class="ttdeci">virtual bool importShard(std::uint32_t shardIndex, boost::filesystem::path const &srcDir)=0</div><div class="ttdoc">Import a shard from the shard archive handler into the shard database.</div></div>
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<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>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a9ac112f923d4db1db4bf3a52711aab12"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a9ac112f923d4db1db4bf3a52711aab12">ripple::NodeStore::DatabaseShard::setStored</a></div><div class="ttdeci">virtual void setStored(std::shared_ptr< Ledger const > const &ledger)=0</div><div class="ttdoc">Notifies the database that the given ledger has been fully acquired and stored.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a2532e82d6e564cc5c186a23c4e848de0"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a2532e82d6e564cc5c186a23c4e848de0">ripple::NodeStore::DatabaseShard::getPreShards</a></div><div class="ttdeci">virtual std::string getPreShards()=0</div><div class="ttdoc">Get shard indexes being imported.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a620a17c7b2a6ca4a05c79a1f6637abca"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a620a17c7b2a6ca4a05c79a1f6637abca">ripple::NodeStore::DatabaseShard::init</a></div><div class="ttdeci">virtual bool init()=0</div><div class="ttdoc">Initialize the database.</div></div>
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<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a></div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a617c1739d14f737d9e4fda3b0cb76361"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a617c1739d14f737d9e4fda3b0cb76361">ripple::NodeStore::DatabaseShard::DatabaseShard</a></div><div class="ttdeci">DatabaseShard(Scheduler &scheduler, int readThreads, Section const &config, beast::Journal journal)</div><div class="ttdoc">Construct a shard store.</div><div class="ttdef"><b>Definition:</b> <a href="DatabaseShard_8h_source.html#l00047">DatabaseShard.h:47</a></div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a435483044cad610e25db707999b4544a"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a435483044cad610e25db707999b4544a">ripple::NodeStore::DatabaseShard::removePreShard</a></div><div class="ttdeci">virtual void removePreShard(std::uint32_t shardIndex)=0</div><div class="ttdoc">Remove a previously prepared shard index for import.</div></div>
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<div class="ttc" id="aunique_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a43d746883cc502df22837f469e344e4d"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a43d746883cc502df22837f469e344e4d">ripple::NodeStore::DatabaseShard::startNodeToShard</a></div><div class="ttdeci">virtual Json::Value startNodeToShard()=0</div><div class="ttdoc">Initiates a NodeStore to ShardStore import and returns the result in a JSON object.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a9589fc815aacfaf4a03222ab0751cca2"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a9589fc815aacfaf4a03222ab0751cca2">ripple::NodeStore::DatabaseShard::getShardInfo</a></div><div class="ttdeci">virtual std::unique_ptr< ShardInfo > getShardInfo() const =0</div><div class="ttdoc">Query information about shards held.</div></div>
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<div class="ttc" id="aclassripple_1_1NodeStore_1_1DatabaseShard_html_a6191fa82da1f487ec4792f7034aedaf2"><div class="ttname"><a href="classripple_1_1NodeStore_1_1DatabaseShard.html#a6191fa82da1f487ec4792f7034aedaf2">ripple::NodeStore::DatabaseShard::iterateTransactionSQLsForward</a></div><div class="ttdeci">virtual bool iterateTransactionSQLsForward(std::optional< std::uint32_t > minShardIndex, std::function< bool(soci::session &session, std::uint32_t shardIndex)> const &callback)=0</div><div class="ttdoc">iterateTransactionSQLsForward Checks out transaction databases for all shards in ascending order star...</div></div>
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<div class="ttc" id="aclassJson_1_1Value_html"><div class="ttname"><a href="classJson_1_1Value.html">Json::Value</a></div><div class="ttdoc">Represents a JSON value.</div><div class="ttdef"><b>Definition:</b> <a href="json__value_8h_source.html#l00145">json_value.h:145</a></div></div>
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