2.x/javadoc/log4j-core/org/apache/logging/log4j/core/appender/db/AbstractDatabaseManager.html - logging-log4j-site - Git at Google

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 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.logging.log4j.core.appender.db</a></div>
 <h1 title="Class AbstractDatabaseManager" class="title">Class AbstractDatabaseManager</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="../AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">org.apache.logging.log4j.core.appender.AbstractManager</a>
 <div class="inheritance">org.apache.logging.log4j.core.appender.db.AbstractDatabaseManager</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>All Implemented Interfaces:</dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Flushable.html" title="class or interface in java.io" class="external-link">Flushable</a></code>, <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html" title="class or interface in java.lang" class="external-link">AutoCloseable</a></code></dd>
 </dl>
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="jdbc/JdbcDatabaseManager.html" title="class in org.apache.logging.log4j.core.appender.db.jdbc">JdbcDatabaseManager</a></code>, <code><a href="../nosql/NoSqlDatabaseManager.html" title="class in org.apache.logging.log4j.core.appender.nosql">NoSqlDatabaseManager</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">AbstractDatabaseManager</span>
 <span class="extends-implements">extends <a href="../AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a>
 implements <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Flushable.html" title="class or interface in java.io" class="external-link">Flushable</a></span></div>
 <div class="block">Manager that allows database appenders to have their configuration reloaded without losing events.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== NESTED CLASS SUMMARY ======== -->
 <li>
 <section class="nested-class-summary" id="nested-class-summary">
 <h2>Nested Class Summary</h2>
 <div class="caption"><span>Nested Classes</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>protected static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="AbstractDatabaseManager.AbstractFactoryData.html" class="type-name-link" title="class in org.apache.logging.log4j.core.appender.db">AbstractDatabaseManager.AbstractFactoryData</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Implementations should extend this class for passing data between the getManager method and the manager factory
  class.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-org.apache.logging.log4j.core.appender.AbstractManager">Fields inherited from class&nbsp;org.apache.logging.log4j.core.appender.<a href="../AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></h3>
 <code><a href="../AbstractManager.html#count">count</a>, <a href="../AbstractManager.html#LOGGER">LOGGER</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier</div>
 <div class="table-header col-second">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>protected </code></div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,int)" class="member-name-link">AbstractDatabaseManager</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  int&nbsp;bufferSize)</code></div>
 <div class="col-last even-row-color">
 <div class="block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use <a href="#%3Cinit%3E(java.lang.String,int,org.apache.logging.log4j.core.Layout,org.apache.logging.log4j.core.config.Configuration)"><code>AbstractDatabaseManager(String, int, Layout, Configuration)</code></a>.</div>
 </div>
 </div>
 <div class="col-first odd-row-color"><code>protected </code></div>
 <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(java.lang.String,int,org.apache.logging.log4j.core.Layout)" class="member-name-link">AbstractDatabaseManager</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  int&nbsp;bufferSize,
  <a href="../../Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a>&lt;? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&gt;&nbsp;layout)</code></div>
 <div class="col-last odd-row-color">
 <div class="block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use <a href="#%3Cinit%3E(java.lang.String,int,org.apache.logging.log4j.core.Layout,org.apache.logging.log4j.core.config.Configuration)"><code>AbstractDatabaseManager(String, int, Layout, Configuration)</code></a>.</div>
 </div>
 </div>
 <div class="col-first even-row-color"><code>protected </code></div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,int,org.apache.logging.log4j.core.Layout,org.apache.logging.log4j.core.config.Configuration)" class="member-name-link">AbstractDatabaseManager</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  int&nbsp;bufferSize,
  <a href="../../Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a>&lt;? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&gt;&nbsp;layout,
  <a href="../../config/Configuration.html" title="interface in org.apache.logging.log4j.core.config">Configuration</a>&nbsp;configuration)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructs the base manager.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button><button id="method-summary-table-tab6" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab6', 3)" class="table-tab">Deprecated Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#buffer(org.apache.logging.log4j.core.LogEvent)" class="member-name-link">buffer</a><wbr>(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>protected abstract boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#commitAndClose()" class="member-name-link">commitAndClose</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Commits any active transaction (if applicable) and disconnects from the database (returns the connection to the
  connection pool).</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>protected abstract void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#connectAndStart()" class="member-name-link">connectAndStart</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Connects to the database and starts a transaction (if applicable).</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#flush()" class="member-name-link">flush</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">This method is called automatically when the buffer size reaches its maximum or at the beginning of a call to
  <a href="#shutdown()"><code>shutdown()</code></a>.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>protected static &lt;M extends <a href="AbstractDatabaseManager.html" title="class in org.apache.logging.log4j.core.appender.db">AbstractDatabaseManager</a>,<wbr>
 T extends <a href="AbstractDatabaseManager.AbstractFactoryData.html" title="class in org.apache.logging.log4j.core.appender.db">AbstractDatabaseManager.AbstractFactoryData</a>&gt;<br>M</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getManager(java.lang.String,T,org.apache.logging.log4j.core.appender.ManagerFactory)" class="member-name-link">getManager</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  T&nbsp;data,
  <a href="../ManagerFactory.html" title="interface in org.apache.logging.log4j.core.appender">ManagerFactory</a>&lt;M,<wbr>T&gt;&nbsp;factory)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
 <div class="block">Implementations should define their own getManager method and call this method from that to create or get
  existing managers.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isBuffered()" class="member-name-link">isBuffered</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isRunning()" class="member-name-link">isRunning</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Indicates whether the manager is currently connected <a href="#startup()"><code>startup()</code></a> has been called and <a href="#shutdown()"><code>shutdown()</code></a>
  has not been called).</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#releaseSub(long,java.util.concurrent.TimeUnit)" class="member-name-link">releaseSub</a><wbr>(long&nbsp;timeout,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html" title="class or interface in java.util.concurrent" class="external-link">TimeUnit</a>&nbsp;timeUnit)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">May be overridden by managers to perform processing while the manager is being released and the
  lock is held.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#shutdown()" class="member-name-link">shutdown</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">This method is called from the <a href="../AbstractManager.html#close()"><code>AbstractManager.close()</code></a> method when the appender is stopped or the appender's manager
  is replaced.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>protected abstract boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#shutdownInternal()" class="member-name-link">shutdownInternal</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Implementations should implement this method to perform any proprietary disconnection / shutdown operations.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#startup()" class="member-name-link">startup</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">This method is called within the appender when the appender is started.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>protected abstract void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#startupInternal()" class="member-name-link">startupInternal</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Implementations should implement this method to perform any proprietary startup operations.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"><code>final void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#write(org.apache.logging.log4j.core.LogEvent)" class="member-name-link">write</a><wbr>(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6">
 <div class="block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">since 2.11.0 Use <a href="#write(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)"><code>write(LogEvent, Serializable)</code></a>.</div>
 </div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#write(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)" class="member-name-link">write</a><wbr>(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&nbsp;serializable)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">This method manages buffering and writing of events.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"><code>protected void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#writeInternal(org.apache.logging.log4j.core.LogEvent)" class="member-name-link">writeInternal</a><wbr>(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6">
 <div class="block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use <a href="#writeInternal(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)"><code>writeInternal(LogEvent, Serializable)</code></a>.</div>
 </div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>protected abstract void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#writeInternal(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)" class="member-name-link">writeInternal</a><wbr>(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&nbsp;serializable)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Performs the actual writing of the event in an implementation-specific way.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#writeThrough(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)" class="member-name-link">writeThrough</a><wbr>(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&nbsp;serializable)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-org.apache.logging.log4j.core.appender.AbstractManager">Methods inherited from class&nbsp;org.apache.logging.log4j.core.appender.<a href="../AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></h3>
 <code><a href="../AbstractManager.html#close()">close</a>, <a href="../AbstractManager.html#getContentFormat()">getContentFormat</a>, <a href="../AbstractManager.html#getCount()">getCount</a>, <a href="../AbstractManager.html#getLoggerContext()">getLoggerContext</a>, <a href="../AbstractManager.html#getManager(java.lang.String,org.apache.logging.log4j.core.appender.ManagerFactory,T)">getManager</a>, <a href="../AbstractManager.html#getName()">getName</a>, <a href="../AbstractManager.html#getStrSubstitutor()">getStrSubstitutor</a>, <a href="../AbstractManager.html#hasManager(java.lang.String)">hasManager</a>, <a href="../AbstractManager.html#log(org.apache.logging.log4j.Level,java.lang.String,java.lang.Throwable)">log</a>, <a href="../AbstractManager.html#logDebug(java.lang.String,java.lang.Throwable)">logDebug</a>, <a href="../AbstractManager.html#logError(java.lang.String,java.lang.Throwable)">logError</a>, <a href="../AbstractManager.html#logger()">logger</a>, <a href="../AbstractManager.html#logWarn(java.lang.String,java.lang.Throwable)">logWarn</a>, <a href="../AbstractManager.html#narrow(java.lang.Class,org.apache.logging.log4j.core.appender.AbstractManager)">narrow</a>, <a href="../AbstractManager.html#release()">release</a>, <a href="../AbstractManager.html#stop(long,java.util.concurrent.TimeUnit)">stop</a>, <a href="../AbstractManager.html#updateData(java.lang.Object)">updateData</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize--" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,int)">
 <h3>AbstractDatabaseManager</h3>
 <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
 </span><span class="modifiers">protected</span>&nbsp;<span class="element-name">AbstractDatabaseManager</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  int&nbsp;bufferSize)</span></div>
 <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use <a href="#%3Cinit%3E(java.lang.String,int,org.apache.logging.log4j.core.Layout,org.apache.logging.log4j.core.config.Configuration)"><code>AbstractDatabaseManager(String, int, Layout, Configuration)</code></a>.</div>
 </div>
 <div class="block">Constructs the base manager.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>name</code> - The manager name, which should include any configuration details that one might want to be able to
              reconfigure at runtime, such as database name, username, (hashed) password, etc.</dd>
 <dd><code>bufferSize</code> - The size of the log event buffer.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,int,org.apache.logging.log4j.core.Layout)">
 <h3>AbstractDatabaseManager</h3>
 <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
 </span><span class="modifiers">protected</span>&nbsp;<span class="element-name">AbstractDatabaseManager</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  int&nbsp;bufferSize,
  <a href="../../Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a>&lt;? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&gt;&nbsp;layout)</span></div>
 <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use <a href="#%3Cinit%3E(java.lang.String,int,org.apache.logging.log4j.core.Layout,org.apache.logging.log4j.core.config.Configuration)"><code>AbstractDatabaseManager(String, int, Layout, Configuration)</code></a>.</div>
 </div>
 <div class="block">Constructs the base manager.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>name</code> - The manager name, which should include any configuration details that one might want to be able to
              reconfigure at runtime, such as database name, username, (hashed) password, etc.</dd>
 <dd><code>layout</code> - the Appender-level layout.</dd>
 <dd><code>bufferSize</code> - The size of the log event buffer.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,int,org.apache.logging.log4j.core.Layout,org.apache.logging.log4j.core.config.Configuration)">
 <h3>AbstractDatabaseManager</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="element-name">AbstractDatabaseManager</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  int&nbsp;bufferSize,
  <a href="../../Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a>&lt;? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&gt;&nbsp;layout,
  <a href="../../config/Configuration.html" title="interface in org.apache.logging.log4j.core.config">Configuration</a>&nbsp;configuration)</span></div>
 <div class="block">Constructs the base manager.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>name</code> - The manager name, which should include any configuration details that one might want to be able to
              reconfigure at runtime, such as database name, username, (hashed) password, etc.</dd>
 <dd><code>layout</code> - the Appender-level layout.</dd>
 <dd><code>bufferSize</code> - The size of the log event buffer.</dd>
 <dd><code>configuration</code> - My configuration.</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="getManager(java.lang.String,T,org.apache.logging.log4j.core.appender.ManagerFactory)">
 <h3 id="getManager(java.lang.String,org.apache.logging.log4j.core.appender.db.AbstractDatabaseManager.AbstractFactoryData,org.apache.logging.log4j.core.appender.ManagerFactory)">getManager</h3>
 <div class="member-signature"><span class="modifiers">protected static</span>&nbsp;<span class="type-parameters-long">&lt;M extends <a href="AbstractDatabaseManager.html" title="class in org.apache.logging.log4j.core.appender.db">AbstractDatabaseManager</a>,<wbr>
 T extends <a href="AbstractDatabaseManager.AbstractFactoryData.html" title="class in org.apache.logging.log4j.core.appender.db">AbstractDatabaseManager.AbstractFactoryData</a>&gt;</span>
 <span class="return-type">M</span>&nbsp;<span class="element-name">getManager</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  T&nbsp;data,
  <a href="../ManagerFactory.html" title="interface in org.apache.logging.log4j.core.appender">ManagerFactory</a>&lt;M,<wbr>T&gt;&nbsp;factory)</span></div>
 <div class="block">Implementations should define their own getManager method and call this method from that to create or get
  existing managers.</div>
 <dl class="notes">
 <dt>Type Parameters:</dt>
 <dd><code>M</code> - The concrete manager type.</dd>
 <dd><code>T</code> - The concrete <a href="AbstractDatabaseManager.AbstractFactoryData.html" title="class in org.apache.logging.log4j.core.appender.db"><code>AbstractDatabaseManager.AbstractFactoryData</code></a> type.</dd>
 <dt>Parameters:</dt>
 <dd><code>name</code> - The manager name, which should include any configuration details that one might want to be able to
              reconfigure at runtime, such as database name, username, (hashed) password, etc.</dd>
 <dd><code>data</code> - The concrete instance of <a href="AbstractDatabaseManager.AbstractFactoryData.html" title="class in org.apache.logging.log4j.core.appender.db"><code>AbstractDatabaseManager.AbstractFactoryData</code></a> appropriate for the given manager.</dd>
 <dd><code>factory</code> - A factory instance for creating the appropriate manager.</dd>
 <dt>Returns:</dt>
 <dd>a new or existing manager of the specified type and name.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="buffer(org.apache.logging.log4j.core.LogEvent)">
 <h3>buffer</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">buffer</span><wbr><span class="parameters">(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="commitAndClose()">
 <h3>commitAndClose</h3>
 <div class="member-signature"><span class="modifiers">protected abstract</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">commitAndClose</span>()</div>
 <div class="block">Commits any active transaction (if applicable) and disconnects from the database (returns the connection to the
  connection pool). With buffering enabled, this is called when flushing the buffer completes, after the last call
  to <a href="#writeInternal(org.apache.logging.log4j.core.LogEvent)"><code>writeInternal(org.apache.logging.log4j.core.LogEvent)</code></a>. With buffering disabled, this is called immediately after every invocation of
  <a href="#writeInternal(org.apache.logging.log4j.core.LogEvent)"><code>writeInternal(org.apache.logging.log4j.core.LogEvent)</code></a>.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>true if all resources were closed normally, false otherwise.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="connectAndStart()">
 <h3>connectAndStart</h3>
 <div class="member-signature"><span class="modifiers">protected abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">connectAndStart</span>()</div>
 <div class="block">Connects to the database and starts a transaction (if applicable). With buffering enabled, this is called when
  flushing the buffer begins, before the first call to <a href="#writeInternal(org.apache.logging.log4j.core.LogEvent)"><code>writeInternal(org.apache.logging.log4j.core.LogEvent)</code></a>. With buffering disabled, this is
  called immediately before every invocation of <a href="#writeInternal(org.apache.logging.log4j.core.LogEvent)"><code>writeInternal(org.apache.logging.log4j.core.LogEvent)</code></a>.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="flush()">
 <h3>flush</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">flush</span>()</div>
 <div class="block">This method is called automatically when the buffer size reaches its maximum or at the beginning of a call to
  <a href="#shutdown()"><code>shutdown()</code></a>. It can also be called manually to flush events to the database.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Flushable.html#flush--" title="class or interface in java.io" class="external-link">flush</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Flushable.html" title="class or interface in java.io" class="external-link">Flushable</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isBuffered()">
 <h3>isBuffered</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isBuffered</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="isRunning()">
 <h3>isRunning</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isRunning</span>()</div>
 <div class="block">Indicates whether the manager is currently connected <a href="#startup()"><code>startup()</code></a> has been called and <a href="#shutdown()"><code>shutdown()</code></a>
  has not been called).</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd><code>true</code> if the manager is connected.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="releaseSub(long,java.util.concurrent.TimeUnit)">
 <h3>releaseSub</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">releaseSub</span><wbr><span class="parameters">(long&nbsp;timeout,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html" title="class or interface in java.util.concurrent" class="external-link">TimeUnit</a>&nbsp;timeUnit)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="../AbstractManager.html#releaseSub(long,java.util.concurrent.TimeUnit)">AbstractManager</a></code></span></div>
 <div class="block">May be overridden by managers to perform processing while the manager is being released and the
  lock is held. A timeout is passed for implementors to use as they see fit.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="../AbstractManager.html#releaseSub(long,java.util.concurrent.TimeUnit)">releaseSub</a></code>&nbsp;in class&nbsp;<code><a href="../AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>timeout</code> - timeout</dd>
 <dd><code>timeUnit</code> - timeout time unit</dd>
 <dt>Returns:</dt>
 <dd>true if all resources were closed normally, false otherwise.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="shutdown()">
 <h3>shutdown</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">shutdown</span>()</div>
 <div class="block">This method is called from the <a href="../AbstractManager.html#close()"><code>AbstractManager.close()</code></a> method when the appender is stopped or the appender's manager
  is replaced. If it has not already been called, it calls <a href="#shutdownInternal()"><code>shutdownInternal()</code></a> and catches any exceptions
  it might throw.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>true if all resources were closed normally, false otherwise.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="shutdownInternal()">
 <h3>shutdownInternal</h3>
 <div class="member-signature"><span class="modifiers">protected abstract</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">shutdownInternal</span>()
                                      throws <span class="exceptions"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div>
 <div class="block">Implementations should implement this method to perform any proprietary disconnection / shutdown operations. This
  method will never be called twice on the same instance, and it will only be called <em>after</em>
  <a href="#startupInternal()"><code>startupInternal()</code></a>. It is safe to throw any exceptions from this method. This method does not
  necessarily disconnect from the database for the same reasons outlined in <a href="#startupInternal()"><code>startupInternal()</code></a>.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>true if all resources were closed normally, false otherwise.</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="startup()">
 <h3>startup</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">startup</span>()</div>
 <div class="block">This method is called within the appender when the appender is started. If it has not already been called, it
  calls <a href="#startupInternal()"><code>startupInternal()</code></a> and catches any exceptions it might throw.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="startupInternal()">
 <h3>startupInternal</h3>
 <div class="member-signature"><span class="modifiers">protected abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">startupInternal</span>()
                                  throws <span class="exceptions"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div>
 <div class="block">Implementations should implement this method to perform any proprietary startup operations. This method will
  never be called twice on the same instance. It is safe to throw any exceptions from this method. This method
  does not necessarily connect to the database, as it is generally unreliable to connect once and use the same
  connection for hours.</div>
 <dl class="notes">
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="toString()">
 <h3>toString</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString--" title="class or interface in java.lang" class="external-link">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="write(org.apache.logging.log4j.core.LogEvent)">
 <h3>write</h3>
 <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
 </span><span class="modifiers">public final</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">write</span><wbr><span class="parameters">(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event)</span></div>
 <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">since 2.11.0 Use <a href="#write(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)"><code>write(LogEvent, Serializable)</code></a>.</div>
 </div>
 <div class="block">This method manages buffering and writing of events.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>event</code> - The event to write to the database.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="write(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)">
 <h3>write</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">write</span><wbr><span class="parameters">(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&nbsp;serializable)</span></div>
 <div class="block">This method manages buffering and writing of events.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>event</code> - The event to write to the database.</dd>
 <dd><code>serializable</code> - Serializable event</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="writeInternal(org.apache.logging.log4j.core.LogEvent)">
 <h3>writeInternal</h3>
 <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
 </span><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">writeInternal</span><wbr><span class="parameters">(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event)</span></div>
 <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use <a href="#writeInternal(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)"><code>writeInternal(LogEvent, Serializable)</code></a>.</div>
 </div>
 <div class="block">Performs the actual writing of the event in an implementation-specific way. This method is called immediately
  from <a href="#write(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)"><code>write(LogEvent, Serializable)</code></a> if buffering is off, or from <a href="#flush()"><code>flush()</code></a> if the buffer has reached its limit.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>event</code> - The event to write to the database.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="writeInternal(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)">
 <h3>writeInternal</h3>
 <div class="member-signature"><span class="modifiers">protected abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">writeInternal</span><wbr><span class="parameters">(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&nbsp;serializable)</span></div>
 <div class="block">Performs the actual writing of the event in an implementation-specific way. This method is called immediately
  from <a href="#write(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)"><code>write(LogEvent, Serializable)</code></a> if buffering is off, or from <a href="#flush()"><code>flush()</code></a> if the buffer has reached its limit.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>event</code> - The event to write to the database.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="writeThrough(org.apache.logging.log4j.core.LogEvent,java.io.Serializable)">
 <h3>writeThrough</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">writeThrough</span><wbr><span class="parameters">(<a href="../../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a>&nbsp;event,
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>&nbsp;serializable)</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
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