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<div id="class.mongodb-driver-monitoring-topologychangedevent" class="reference">
 <h1 class="title">La clase MongoDB\Driver\Monitoring\TopologyChangedEvent</h1>
 

 <div class="partintro"><p class="verinfo">(mongodb &gt;=1.13.0)</p>


  <div class="section" id="mongodb-driver-monitoring-topologychangedevent.intro">
   <h2 class="title">Introducción</h2>
   <p class="para">
    La clase <span class="classname"><strong class="classname">MongoDB\Driver\Monitoring\TopologyChangedEvent</strong></span>
    encapsula información sobre una descripción de topología modificada. Por
    ejemplo, el descubrimiento de un nuevo primario en un conjunto de réplicas
    resultaría en un cambio en la descripción de la topología.
   </p>
  </div>


  <div class="section" id="mongodb-driver-monitoring-topologychangedevent.synopsis">
   <h2 class="title">Sinopsis de la Clase</h2>


   <div class="classsynopsis">
    <span class="ooclass"><strong class="classname"></strong></span>


    <div class="classsynopsisinfo">
     <span class="modifier">final</span>
     <span class="ooclass">
      <span class="modifier">class</span> <strong class="classname">MongoDB\Driver\Monitoring\TopologyChangedEvent</strong>
     </span>
     {</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Propiedades */</div>
    <div class="fieldsynopsis">
     <span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="class.mongodb-bson-objectid.php" class="type MongoDB\BSON\ObjectId">MongoDB\BSON\ObjectId</a></span>
      <var class="varname"><a href="class.mongodb-driver-monitoring-topologychangedevent.php#mongodb-driver-monitoring-topologychangedevent.props.topologyid">$<var class="varname">topologyId</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="class.mongodb-driver-topologydescription.php" class="type MongoDB\Driver\TopologyDescription">MongoDB\Driver\TopologyDescription</a></span>
      <var class="varname"><a href="class.mongodb-driver-monitoring-topologychangedevent.php#mongodb-driver-monitoring-topologychangedevent.props.newdescription">$<var class="varname">newDescription</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="class.mongodb-driver-topologydescription.php" class="type MongoDB\Driver\TopologyDescription">MongoDB\Driver\TopologyDescription</a></span>
      <var class="varname"><a href="class.mongodb-driver-monitoring-topologychangedevent.php#mongodb-driver-monitoring-topologychangedevent.props.previousdescription">$<var class="varname">previousDescription</var></a></var>;</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Métodos */</div>
    <div class="methodsynopsis dc-description">
   <span class="modifier">final</span> <span class="modifier">public</span> <span class="methodname"><a href="mongodb-driver-monitoring-topologychangedevent.getnewdescription.php" class="methodname">getNewDescription</a></span>(): <span class="type"><a href="class.mongodb-driver-topologydescription.php" class="type MongoDB\Driver\TopologyDescription">MongoDB\Driver\TopologyDescription</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">final</span> <span class="modifier">public</span> <span class="methodname"><a href="mongodb-driver-monitoring-topologychangedevent.getpreviousdescription.php" class="methodname">getPreviousDescription</a></span>(): <span class="type"><a href="class.mongodb-driver-topologydescription.php" class="type MongoDB\Driver\TopologyDescription">MongoDB\Driver\TopologyDescription</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">final</span> <span class="modifier">public</span> <span class="methodname"><a href="mongodb-driver-monitoring-topologychangedevent.gettopologyid.php" class="methodname">getTopologyId</a></span>(): <span class="type"><a href="class.mongodb-bson-objectid.php" class="type MongoDB\BSON\ObjectId">MongoDB\BSON\ObjectId</a></span></div>

   }</div>


  </div>


  <div class="section" id="mongodb-driver-monitoring-topologychangedevent.props">
   <h2 class="title">Propiedades</h2>
   <dl>
    
     <dt id="mongodb-driver-monitoring-topologychangedevent.props.topologyid"><var class="varname">topologyId</var></dt>
     <dd>
      <span class="simpara">El identificador de la topología.</span>
     </dd>
    
    
     <dt id="mongodb-driver-monitoring-topologychangedevent.props.newdescription"><var class="varname">newDescription</var></dt>
     <dd>
      <span class="simpara">La nueva descripción de la topología.</span>
     </dd>
    
    
     <dt id="mongodb-driver-monitoring-topologychangedevent.props.previousdescription"><var class="varname">previousDescription</var></dt>
     <dd>
      <span class="simpara">La descripción previa de la topología.</span>
     </dd>
    
   </dl>
  </div>


  <div class="section">
   <h2 class="title">Historial de cambios</h2>
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Versión</th>
       <th>Descripción</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>PECL mongodb 2.3.0</td>
       <td>
        Se añadieron propiedades públicas <span class="modifier">readonly</span>.
       </td>
      </tr>

     </tbody>
    
   </table>

  </div>

 </div>

 





















<h2>Tabla de contenidos</h2><ul class="chunklist chunklist_reference"><li><a href="mongodb-driver-monitoring-topologychangedevent.getnewdescription.php">MongoDB\Driver\Monitoring\TopologyChangedEvent::getNewDescription</a> — Devuelve la nueva descripci&oacute;n de la topolog&iacute;a</li><li><a href="mongodb-driver-monitoring-topologychangedevent.getpreviousdescription.php">MongoDB\Driver\Monitoring\TopologyChangedEvent::getPreviousDescription</a> — Devuelve la descripci&oacute;n anterior de la topolog&iacute;a</li><li><a href="mongodb-driver-monitoring-topologychangedevent.gettopologyid.php">MongoDB\Driver\Monitoring\TopologyChangedEvent::getTopologyId</a> — Devuelve el identificador de la topolog&iacute;a</li></ul>
</div>
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