cassandra-server

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  <html lang="en"> <head>  <title>LoadBroadcaster (apache-cassandra API)</title> <meta name="date" content="2014-09-07"> <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style"> </head> <body> <script type="text/javascript"> </script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript>  <div class="topNav"><a name="navbar_top">  </a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="class-use/LoadBroadcaster.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../deprecated-list.html">Deprecated</a></li> <li><a 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href="#field_summary">Field</a> | </li> <li>Constr | </li> <li><a href="#method_summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li><a href="#field_detail">Field</a> | </li> <li>Constr | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_top">  </a></div>   <div class="header"> <div class="subTitle">org.apache.cassandra.service</div> <h2 title="Class LoadBroadcaster" class="title">Class LoadBroadcaster</h2> </div> <div class="contentContainer"> <ul class="inheritance"> <li>java.lang.Object</li> <li> <ul class="inheritance"> <li>org.apache.cassandra.service.LoadBroadcaster</li> </ul> </li> </ul> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Implemented Interfaces:</dt> <dd><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></dd> </dl> <hr> <br> <pre>public class <span class="strong">LoadBroadcaster</span> extends java.lang.Object implements <a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></pre> </li> </ul> </div> <div class="summary"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a name="field_summary">  </a> <h3>Field Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> <caption><span>Fields</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Field and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code>static <a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html" title="class in org.apache.cassandra.service">LoadBroadcaster</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#instance">instance</a></strong></code> </td> </tr> </table> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_summary">  </a> <h3>Method Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> <caption><span>Methods</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Method and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#beforeChange(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState,%20org.apache.cassandra.gms.ApplicationState,%20org.apache.cassandra.gms.VersionedValue)">beforeChange</a></strong>(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> currentState, <a href="../../../../org/apache/cassandra/gms/ApplicationState.html" title="enum in org.apache.cassandra.gms">ApplicationState</a> newStateKey, <a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a> newValue)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.util.Map<java.net.InetAddress,java.lang.Double></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#getLoadInfo()">getLoadInfo</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#onAlive(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">onAlive</a></strong>(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> state)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#onChange(java.net.InetAddress,%20org.apache.cassandra.gms.ApplicationState,%20org.apache.cassandra.gms.VersionedValue)">onChange</a></strong>(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/ApplicationState.html" title="enum in org.apache.cassandra.gms">ApplicationState</a> state, <a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a> value)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#onDead(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">onDead</a></strong>(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> state)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#onJoin(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">onJoin</a></strong>(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> epState)</code> <div class="block">Use to inform interested parties about the change in the state for specified endpoint</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#onRemove(java.net.InetAddress)">onRemove</a></strong>(java.net.InetAddress endpoint)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#onRestart(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">onRestart</a></strong>(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> state)</code> <div class="block">Called whenever a node is restarted.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html#startBroadcasting()">startBroadcasting</a></strong>()</code> </td> </tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">  </a> <h3>Methods inherited from class java.lang.Object</h3> <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> </ul> </li> </ul> </li> </ul> </div> <div class="details"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a name="field_detail">  </a> <h3>Field Detail</h3> <a name="instance">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>instance</h4> <pre>public static final <a href="../../../../org/apache/cassandra/service/LoadBroadcaster.html" title="class in org.apache.cassandra.service">LoadBroadcaster</a> instance</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_detail">  </a> <h3>Method Detail</h3> <a name="onChange(java.net.InetAddress, org.apache.cassandra.gms.ApplicationState, org.apache.cassandra.gms.VersionedValue)">  </a> <ul class="blockList"> <li class="blockList"> <h4>onChange</h4> <pre>public void onChange(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/ApplicationState.html" title="enum in org.apache.cassandra.gms">ApplicationState</a> state, <a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a> value)</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#onChange(java.net.InetAddress,%20org.apache.cassandra.gms.ApplicationState,%20org.apache.cassandra.gms.VersionedValue)">onChange</a></code> in interface <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></code></dd> </dl> </li> </ul> <a name="onJoin(java.net.InetAddress, org.apache.cassandra.gms.EndpointState)">  </a> <ul class="blockList"> <li class="blockList"> <h4>onJoin</h4> <pre>public void onJoin(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> epState)</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#onJoin(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">IEndpointStateChangeSubscriber</a></code></strong></div> <div class="block">Use to inform interested parties about the change in the state for specified endpoint</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#onJoin(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">onJoin</a></code> in interface <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></code></dd> <dt><span class="strong">Parameters:</span></dt><dd><code>endpoint</code> - endpoint for which the state change occurred.</dd><dd><code>epState</code> - state that actually changed for the above endpoint.</dd></dl> </li> </ul> <a name="beforeChange(java.net.InetAddress, org.apache.cassandra.gms.EndpointState, org.apache.cassandra.gms.ApplicationState, org.apache.cassandra.gms.VersionedValue)">  </a> <ul class="blockList"> <li class="blockList"> <h4>beforeChange</h4> <pre>public void beforeChange(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> currentState, <a href="../../../../org/apache/cassandra/gms/ApplicationState.html" title="enum in org.apache.cassandra.gms">ApplicationState</a> newStateKey, <a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a> newValue)</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#beforeChange(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState,%20org.apache.cassandra.gms.ApplicationState,%20org.apache.cassandra.gms.VersionedValue)">beforeChange</a></code> in interface <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></code></dd> </dl> </li> </ul> <a name="onAlive(java.net.InetAddress, org.apache.cassandra.gms.EndpointState)">  </a> <ul class="blockList"> <li class="blockList"> <h4>onAlive</h4> <pre>public void onAlive(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> state)</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#onAlive(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">onAlive</a></code> in interface <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></code></dd> </dl> </li> </ul> <a name="onDead(java.net.InetAddress, org.apache.cassandra.gms.EndpointState)">  </a> <ul class="blockList"> <li class="blockList"> <h4>onDead</h4> <pre>public void onDead(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> state)</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#onDead(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">onDead</a></code> in interface <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></code></dd> </dl> </li> </ul> <a name="onRestart(java.net.InetAddress, org.apache.cassandra.gms.EndpointState)">  </a> <ul class="blockList"> <li class="blockList"> <h4>onRestart</h4> <pre>public void onRestart(java.net.InetAddress endpoint, <a href="../../../../org/apache/cassandra/gms/EndpointState.html" title="class in org.apache.cassandra.gms">EndpointState</a> state)</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#onRestart(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">IEndpointStateChangeSubscriber</a></code></strong></div> <div class="block">Called whenever a node is restarted. Note that there is no guarantee when that happens that the node was previously marked down. It will have only if <code>state.isAlive() == false</code> as <code>state</code> is from before the restarted node is marked up.</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#onRestart(java.net.InetAddress,%20org.apache.cassandra.gms.EndpointState)">onRestart</a></code> in interface <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></code></dd> </dl> </li> </ul> <a name="onRemove(java.net.InetAddress)">  </a> <ul class="blockList"> <li class="blockList"> <h4>onRemove</h4> <pre>public void onRemove(java.net.InetAddress endpoint)</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html#onRemove(java.net.InetAddress)">onRemove</a></code> in interface <code><a href="../../../../org/apache/cassandra/gms/IEndpointStateChangeSubscriber.html" title="interface in org.apache.cassandra.gms">IEndpointStateChangeSubscriber</a></code></dd> </dl> </li> </ul> <a name="getLoadInfo()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getLoadInfo</h4> <pre>public java.util.Map<java.net.InetAddress,java.lang.Double> getLoadInfo()</pre> </li> </ul> <a name="startBroadcasting()">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>startBroadcasting</h4> <pre>public void startBroadcasting()</pre> </li> </ul> </li> </ul> </li> </ul> </div> </div>   <div class="bottomNav"><a name="navbar_bottom">  </a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="class-use/LoadBroadcaster.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../index-all.html">Index</a></li> <li><a href="../../../../help-doc.html">Help</a></li> </ul> </div> <div class="subNav"> <ul class="navList"> <li><a href="../../../../org/apache/cassandra/service/IResponseResolver.html" title="interface in org.apache.cassandra.service"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/apache/cassandra/service/MigrationManager.html" title="class in org.apache.cassandra.service"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?org/apache/cassandra/service/LoadBroadcaster.html" target="_top">Frames</a></li> <li><a href="LoadBroadcaster.html" target="_top">No Frames</a></li> </ul> <ul class="navList" id="allclasses_navbar_bottom"> <li><a href="../../../../allclasses-noframe.html">All Classes</a></li> </ul> <div> <script type="text/javascript"> </script> </div> <div> <ul class="subNavList"> <li>Summary: </li> <li>Nested | </li> <li><a href="#field_summary">Field</a> | </li> <li>Constr | </li> <li><a href="#method_summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li><a href="#field_detail">Field</a> | </li> <li>Constr | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_bottom">  </a></div>  <p class="legalCopy"><small>Copyright © 2014 The Apache Software Foundation</small></p> </body> </html>