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<li class="navelem"><a class="el" href="namespaceripple.html">ripple</a></li><li class="navelem"><a class="el" href="namespaceripple_1_1NodeStore.html">NodeStore</a></li><li class="navelem"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html">MemoryBackend</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<div class="headertitle"><div class="title">ripple::NodeStore::MemoryBackend Class Reference</div></div>
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Inheritance diagram for ripple::NodeStore::MemoryBackend:</div>
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Collaboration diagram for ripple::NodeStore::MemoryBackend:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aa0d4dfe4f3c07c9fcecbb9e4dc06138d"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#aa0d4dfe4f3c07c9fcecbb9e4dc06138d">MemoryBackend</a> (size_t keyBytes, <a class="el" href="classripple_1_1Section.html">Section</a> const &amp;keyValues, <a class="el" href="classbeast_1_1Journal.html">beast::Journal</a> journal)</td></tr>
<tr class="separator:aa0d4dfe4f3c07c9fcecbb9e4dc06138d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7a3395d78b5b2cf470059c43e0d8817a"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a7a3395d78b5b2cf470059c43e0d8817a">~MemoryBackend</a> () override</td></tr>
<tr class="separator:a7a3395d78b5b2cf470059c43e0d8817a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6c8bde126310dfbe7837ebdcc43b3bd2"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a6c8bde126310dfbe7837ebdcc43b3bd2">getName</a> () override</td></tr>
<tr class="memdesc:a6c8bde126310dfbe7837ebdcc43b3bd2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the human-readable name of this backend. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#a6c8bde126310dfbe7837ebdcc43b3bd2">More...</a><br /></td></tr>
<tr class="separator:a6c8bde126310dfbe7837ebdcc43b3bd2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4e5920f4c51902aef93021277aa8ab37"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a4e5920f4c51902aef93021277aa8ab37">open</a> (bool createIfMissing) override</td></tr>
<tr class="memdesc:a4e5920f4c51902aef93021277aa8ab37"><td class="mdescLeft">&#160;</td><td class="mdescRight">Open the backend. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#a4e5920f4c51902aef93021277aa8ab37">More...</a><br /></td></tr>
<tr class="separator:a4e5920f4c51902aef93021277aa8ab37"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ada78f1edc055747acbcd9b0da846d743"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#ada78f1edc055747acbcd9b0da846d743">isOpen</a> () override</td></tr>
<tr class="memdesc:ada78f1edc055747acbcd9b0da846d743"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true is the database is open. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#ada78f1edc055747acbcd9b0da846d743">More...</a><br /></td></tr>
<tr class="separator:ada78f1edc055747acbcd9b0da846d743"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0a629815bc2dfa046866f0b28dea0887"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a0a629815bc2dfa046866f0b28dea0887">close</a> () override</td></tr>
<tr class="memdesc:a0a629815bc2dfa046866f0b28dea0887"><td class="mdescLeft">&#160;</td><td class="mdescRight">Close the backend. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#a0a629815bc2dfa046866f0b28dea0887">More...</a><br /></td></tr>
<tr class="separator:a0a629815bc2dfa046866f0b28dea0887"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad1c41ea346dc8b8202fd05f67349735c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceripple_1_1NodeStore.html#af127c2e4fc73b5d35647147ef45b350c">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#ad1c41ea346dc8b8202fd05f67349735c">fetch</a> (void const *key, <a class="elRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="classripple_1_1NodeObject.html">NodeObject</a> &gt; *pObject) override</td></tr>
<tr class="memdesc:ad1c41ea346dc8b8202fd05f67349735c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fetch a single object. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#ad1c41ea346dc8b8202fd05f67349735c">More...</a><br /></td></tr>
<tr class="separator:ad1c41ea346dc8b8202fd05f67349735c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a914efe50059a9990c60e592a27bbad66"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair</a>&lt; <a class="elRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="classripple_1_1NodeObject.html">NodeObject</a> &gt; &gt;, <a class="el" href="namespaceripple_1_1NodeStore.html#af127c2e4fc73b5d35647147ef45b350c">Status</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a914efe50059a9990c60e592a27bbad66">fetchBatch</a> (<a class="elRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="el" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> const * &gt; const &amp;hashes) override</td></tr>
<tr class="memdesc:a914efe50059a9990c60e592a27bbad66"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fetch a batch synchronously. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#a914efe50059a9990c60e592a27bbad66">More...</a><br /></td></tr>
<tr class="separator:a914efe50059a9990c60e592a27bbad66"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a40130939ef641571abf616a970d63957"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a40130939ef641571abf616a970d63957">store</a> (<a class="elRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="classripple_1_1NodeObject.html">NodeObject</a> &gt; const &amp;object) override</td></tr>
<tr class="memdesc:a40130939ef641571abf616a970d63957"><td class="mdescLeft">&#160;</td><td class="mdescRight">Store a single object. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#a40130939ef641571abf616a970d63957">More...</a><br /></td></tr>
<tr class="separator:a40130939ef641571abf616a970d63957"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab677b7560cd27c159ad78e1412513d5f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#ab677b7560cd27c159ad78e1412513d5f">storeBatch</a> (<a class="el" href="namespaceripple_1_1NodeStore.html#ae0e4b79f8eb3ffa0bf8fcaf848643202">Batch</a> const &amp;<a class="el" href="namespaceripple.html#ad5143ceada01141772ae4aab984f94bdad265aed699f7409ac0ec6fe07ee9cb11">batch</a>) override</td></tr>
<tr class="memdesc:ab677b7560cd27c159ad78e1412513d5f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Store a group of objects. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#ab677b7560cd27c159ad78e1412513d5f">More...</a><br /></td></tr>
<tr class="separator:ab677b7560cd27c159ad78e1412513d5f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7a01b5df53b3ca0487785188f98b4320"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a7a01b5df53b3ca0487785188f98b4320">sync</a> () override</td></tr>
<tr class="separator:a7a01b5df53b3ca0487785188f98b4320"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa6f448cbec37beaa817905fe441c511c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#aa6f448cbec37beaa817905fe441c511c">for_each</a> (<a class="elRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a>&lt; void(<a class="elRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="classripple_1_1NodeObject.html">NodeObject</a> &gt;)&gt; f) override</td></tr>
<tr class="memdesc:aa6f448cbec37beaa817905fe441c511c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit every object in the database This is usually called during import. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#aa6f448cbec37beaa817905fe441c511c">More...</a><br /></td></tr>
<tr class="separator:aa6f448cbec37beaa817905fe441c511c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab56c3ec0fd054251bfe27125a9092973"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#ab56c3ec0fd054251bfe27125a9092973">getWriteLoad</a> () override</td></tr>
<tr class="memdesc:ab56c3ec0fd054251bfe27125a9092973"><td class="mdescLeft">&#160;</td><td class="mdescRight">Estimate the number of write operations pending. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#ab56c3ec0fd054251bfe27125a9092973">More...</a><br /></td></tr>
<tr class="separator:ab56c3ec0fd054251bfe27125a9092973"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac0e6ebc55d43139af9a26254ed736609"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#ac0e6ebc55d43139af9a26254ed736609">setDeletePath</a> () override</td></tr>
<tr class="memdesc:ac0e6ebc55d43139af9a26254ed736609"><td class="mdescLeft">&#160;</td><td class="mdescRight">Remove contents on disk upon destruction. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#ac0e6ebc55d43139af9a26254ed736609">More...</a><br /></td></tr>
<tr class="separator:ac0e6ebc55d43139af9a26254ed736609"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad11105242d588bfd1c07bf7d3d729790"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#ad11105242d588bfd1c07bf7d3d729790">fdRequired</a> () const override</td></tr>
<tr class="memdesc:ad11105242d588bfd1c07bf7d3d729790"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the number of file descriptors the backend expects to need. <a href="classripple_1_1NodeStore_1_1MemoryBackend.html#ad11105242d588bfd1c07bf7d3d729790">More...</a><br /></td></tr>
<tr class="separator:ad11105242d588bfd1c07bf7d3d729790"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae4e7c931c5382d31d877c6f7162dd21e"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1Backend.html#ae4e7c931c5382d31d877c6f7162dd21e">open</a> (bool createIfMissing, uint64_t appType, uint64_t uid, uint64_t salt)</td></tr>
<tr class="memdesc:ae4e7c931c5382d31d877c6f7162dd21e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Open the backend. <a href="classripple_1_1NodeStore_1_1Backend.html#ae4e7c931c5382d31d877c6f7162dd21e">More...</a><br /></td></tr>
<tr class="separator:ae4e7c931c5382d31d877c6f7162dd21e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afea5371bd4d7824d96f28700fa831f33"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1Backend.html#afea5371bd4d7824d96f28700fa831f33">verify</a> ()</td></tr>
<tr class="memdesc:afea5371bd4d7824d96f28700fa831f33"><td class="mdescLeft">&#160;</td><td class="mdescRight">Perform consistency checks on database. <a href="classripple_1_1NodeStore_1_1Backend.html#afea5371bd4d7824d96f28700fa831f33">More...</a><br /></td></tr>
<tr class="separator:afea5371bd4d7824d96f28700fa831f33"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pri-types" name="pri-types"></a>
Private Types</h2></td></tr>
<tr class="memitem:a157d4f5773b131ea06360784e967b7f0"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a157d4f5773b131ea06360784e967b7f0">Map</a> = <a class="elRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map</a>&lt; <a class="el" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> const, <a class="elRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="classripple_1_1NodeObject.html">NodeObject</a> &gt; &gt;</td></tr>
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Private Attributes</h2></td></tr>
<tr class="memitem:a68db5737a6a61f08b0057c6feda9a60e"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a68db5737a6a61f08b0057c6feda9a60e">name_</a></td></tr>
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<tr class="memitem:adec6e97b302a511fc1c84e424f3da022"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classbeast_1_1Journal.html">beast::Journal</a> const&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#adec6e97b302a511fc1c84e424f3da022">journal_</a></td></tr>
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<tr class="memitem:af8168c72040c7f20f427b44f9794944f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structripple_1_1NodeStore_1_1MemoryDB.html">MemoryDB</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#af8168c72040c7f20f427b44f9794944f">db_</a> {nullptr}</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock">
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00082">82</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="a157d4f5773b131ea06360784e967b7f0" name="a157d4f5773b131ea06360784e967b7f0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a157d4f5773b131ea06360784e967b7f0">&#9670;&#160;</a></span>Map</h2>
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<td class="memname">using <a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a157d4f5773b131ea06360784e967b7f0">ripple::NodeStore::MemoryBackend::Map</a> = <a class="elRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map</a>&lt;<a class="el" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> const, <a class="elRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt;<a class="el" href="classripple_1_1NodeObject.html">NodeObject</a>&gt; &gt;</td>
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<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00085">85</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aa0d4dfe4f3c07c9fcecbb9e4dc06138d">&#9670;&#160;</a></span>MemoryBackend()</h2>
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<td class="memname">ripple::NodeStore::MemoryBackend::MemoryBackend </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>keyBytes</em>, </td>
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<td class="paramtype"><a class="el" href="classripple_1_1Section.html">Section</a> const &amp;&#160;</td>
<td class="paramname"><em>keyValues</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="classbeast_1_1Journal.html">beast::Journal</a>&#160;</td>
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<td>)</td>
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<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00092">92</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7a3395d78b5b2cf470059c43e0d8817a">&#9670;&#160;</a></span>~MemoryBackend()</h2>
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<td class="memname">ripple::NodeStore::MemoryBackend::~MemoryBackend </td>
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<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00103">103</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a6c8bde126310dfbe7837ebdcc43b3bd2">&#9670;&#160;</a></span>getName()</h2>
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<td class="memname"><a class="elRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> ripple::NodeStore::MemoryBackend::getName </td>
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<p>Get the human-readable name of this backend. </p>
<p >This is used for diagnostic output. </p>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a206d540c4b8359c598f2309c5ee194bd">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00109">109</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4e5920f4c51902aef93021277aa8ab37">&#9670;&#160;</a></span>open() <span class="overload">[1/2]</span></h2>
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<td class="memname">void ripple::NodeStore::MemoryBackend::open </td>
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<p>Open the backend. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">createIfMissing</td><td>Create the database files if necessary. This allows the caller to catch exceptions. </td></tr>
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<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a586356a9f6050201be9d184bc3fd2c83">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00115">115</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ada78f1edc055747acbcd9b0da846d743">&#9670;&#160;</a></span>isOpen()</h2>
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<p>Returns true is the database is open. </p>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#acd6ac096e54166098107227a8d168044">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00121">121</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0a629815bc2dfa046866f0b28dea0887">&#9670;&#160;</a></span>close()</h2>
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<td class="memname">void ripple::NodeStore::MemoryBackend::close </td>
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<p>Close the backend. </p>
<p >This allows the caller to catch exceptions. </p>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a6b13f9a9bbf0bf6470648f4910a92dd0">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00127">127</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad1c41ea346dc8b8202fd05f67349735c">&#9670;&#160;</a></span>fetch()</h2>
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<td class="memname"><a class="el" href="namespaceripple_1_1NodeStore.html#af127c2e4fc73b5d35647147ef45b350c">Status</a> ripple::NodeStore::MemoryBackend::fetch </td>
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<td class="paramtype"><a class="elRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="classripple_1_1NodeObject.html">NodeObject</a> &gt; *&#160;</td>
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<p>Fetch a single object. </p>
<p >If the object is not found or an error is encountered, the result will indicate the condition. </p><dl class="section note"><dt>Note</dt><dd>This will be called concurrently. </dd></dl>
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<tr><td class="paramname">key</td><td>A pointer to the key data. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The result of the operation. </dd></dl>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a7d3224e43e89dc098962b986d70e9833">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00135">135</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a914efe50059a9990c60e592a27bbad66">&#9670;&#160;</a></span>fetchBatch()</h2>
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<td class="memname"><a class="elRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair</a>&lt; <a class="elRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="classripple_1_1NodeObject.html">NodeObject</a> &gt; &gt;, <a class="el" href="namespaceripple_1_1NodeStore.html#af127c2e4fc73b5d35647147ef45b350c">Status</a> &gt; ripple::NodeStore::MemoryBackend::fetchBatch </td>
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<td class="paramname"><em>hashes</em></td><td>)</td>
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<p>Fetch a batch synchronously. </p>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a9a651edcf0faf1fd93b105d0286015d9">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00154">154</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a40130939ef641571abf616a970d63957">&#9670;&#160;</a></span>store()</h2>
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<td class="memname">void ripple::NodeStore::MemoryBackend::store </td>
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<p>Store a single object. </p>
<p >Depending on the implementation this may happen immediately or deferred using a scheduled task. </p><dl class="section note"><dt>Note</dt><dd>This will be called concurrently. </dd></dl>
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<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a8862f8d96713c985c3169e57cbb260c2">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00172">172</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<td class="memname">void ripple::NodeStore::MemoryBackend::storeBatch </td>
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<p>Store a group of objects. </p>
<dl class="section note"><dt>Note</dt><dd>This function will not be called concurrently with itself or <a class="el" href="classripple_1_1NodeStore_1_1MemoryBackend.html#a40130939ef641571abf616a970d63957">store</a>. </dd></dl>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#acb1f22b4101841e695477646c95376a7">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00181">181</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a0756bdfe06dcb0382b47e23b39813394">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00188">188</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<td class="memname">void ripple::NodeStore::MemoryBackend::for_each </td>
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<td class="paramname"><em>f</em></td><td>)</td>
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<p>Visit every object in the database This is usually called during import. </p>
<dl class="section note"><dt>Note</dt><dd>This routine will not be called concurrently with itself or other methods. </dd></dl>
<dl class="section see"><dt>See also</dt><dd>import </dd></dl>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a70721d2adc758a808d2536eee864df52">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00193">193</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab56c3ec0fd054251bfe27125a9092973">&#9670;&#160;</a></span>getWriteLoad()</h2>
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<td class="memname">int ripple::NodeStore::MemoryBackend::getWriteLoad </td>
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<p>Estimate the number of write operations pending. </p>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#ac4d7008b7a616ce05568da3e96a204ec">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00203">203</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac0e6ebc55d43139af9a26254ed736609">&#9670;&#160;</a></span>setDeletePath()</h2>
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<p>Remove contents on disk upon destruction. </p>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a898be5251e9216eb21938e3083c2d1ef">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00209">209</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad11105242d588bfd1c07bf7d3d729790">&#9670;&#160;</a></span>fdRequired()</h2>
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<p>Returns the number of file descriptors the backend expects to need. </p>
<p>Implements <a class="el" href="classripple_1_1NodeStore_1_1Backend.html#a915130d326c2e63209accb8af09cf8b4">ripple::NodeStore::Backend</a>.</p>
<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00214">214</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae4e7c931c5382d31d877c6f7162dd21e">&#9670;&#160;</a></span>open() <span class="overload">[2/2]</span></h2>
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<td class="memname">virtual void ripple::NodeStore::Backend::open </td>
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<p>Open the backend. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">createIfMissing</td><td>Create the database files if necessary. </td></tr>
<tr><td class="paramname">appType</td><td>Deterministic appType used to create a backend. </td></tr>
<tr><td class="paramname">uid</td><td>Deterministic uid used to create a backend. </td></tr>
<tr><td class="paramname">salt</td><td>Deterministic salt used to create a backend. </td></tr>
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<dl class="exception"><dt>Exceptions</dt><dd>
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<tr><td class="paramname"><a class="elRef" href="http://en.cppreference.com/w/cpp/error/runtime_error.html">std::runtime_error</a></td><td>is function is called not for NuDB backend. </td></tr>
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<p>Reimplemented in <a class="el" href="classripple_1_1NodeStore_1_1NuDBBackend.html#a9e494839a2dcf789bb6cdc300ad65931">ripple::NodeStore::NuDBBackend</a>.</p>
<p class="definition">Definition at line <a class="el" href="Backend_8h_source.html#l00076">76</a> of file <a class="el" href="Backend_8h_source.html">Backend.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afea5371bd4d7824d96f28700fa831f33">&#9670;&#160;</a></span>verify()</h2>
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<td class="memname">virtual void ripple::NodeStore::Backend::verify </td>
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<p>Perform consistency checks on database. </p>
<p >This method is implemented only by <a class="el" href="classripple_1_1NodeStore_1_1NuDBBackend.html">NuDBBackend</a>. It is not yet called anywhere, but it might be a good idea to one day call it at startup to avert a crash. </p>
<p>Reimplemented in <a class="el" href="classripple_1_1NodeStore_1_1NuDBBackend.html#ab012b4ff123427bc35a5d4ac4c6269c0">ripple::NodeStore::NuDBBackend</a>.</p>
<p class="definition">Definition at line <a class="el" href="Backend_8h_source.html#l00147">147</a> of file <a class="el" href="Backend_8h_source.html">Backend.h</a>.</p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a68db5737a6a61f08b0057c6feda9a60e">&#9670;&#160;</a></span>name_</h2>
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<td class="memname"><a class="elRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> ripple::NodeStore::MemoryBackend::name_</td>
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<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00087">87</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#adec6e97b302a511fc1c84e424f3da022">&#9670;&#160;</a></span>journal_</h2>
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<td class="memname"><a class="el" href="classbeast_1_1Journal.html">beast::Journal</a> const ripple::NodeStore::MemoryBackend::journal_</td>
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<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00088">88</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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<td class="memname"><a class="el" href="structripple_1_1NodeStore_1_1MemoryDB.html">MemoryDB</a>* ripple::NodeStore::MemoryBackend::db_ {nullptr}</td>
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<p class="definition">Definition at line <a class="el" href="MemoryFactory_8cpp_source.html#l00089">89</a> of file <a class="el" href="MemoryFactory_8cpp_source.html">MemoryFactory.cpp</a>.</p>
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