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>VersionedValue (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/VersionedValue.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/gms/TokenSerializer.html" title="class in org.apache.cassandra.gms"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/apache/cassandra/gms/VersionedValue.VersionedValueFactory.html" title="class in org.apache.cassandra.gms"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?org/apache/cassandra/gms/VersionedValue.html" target="_top">Frames</a></li> <li><a href="VersionedValue.html" target="_top">No Frames</a></li> </ul> <ul class="navList" id="allclasses_navbar_top"> <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><a href="#nested_class_summary">Nested</a> | </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_top">  </a></div>   <div class="header"> <div class="subTitle">org.apache.cassandra.gms</div> <h2 title="Class VersionedValue" class="title">Class VersionedValue</h2> </div> <div class="contentContainer"> <ul class="inheritance"> <li>java.lang.Object</li> <li> <ul class="inheritance"> <li>org.apache.cassandra.gms.VersionedValue</li> </ul> </li> </ul> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Implemented Interfaces:</dt> <dd>java.lang.Comparable<<a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a>></dd> </dl> <hr> <br> <pre>public class <span class="strong">VersionedValue</span> extends java.lang.Object implements java.lang.Comparable<<a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a>></pre> <div class="block">This abstraction represents the state associated with a particular node which an application wants to make available to the rest of the nodes in the cluster. Whenever a piece of state needs to be disseminated to the rest of cluster wrap the state in an instance of <i>ApplicationState</i> and add it to the Gossiper. <p/> e.g. if we want to disseminate load information for node A do the following: <p/> ApplicationState loadState = new ApplicationState(<string representation of load>); Gossiper.instance.addApplicationState("LOAD STATE", loadState);</div> </li> </ul> </div> <div class="summary"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a name="nested_class_summary">  </a> <h3>Nested Class Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation"> <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Class and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code>static class </code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.VersionedValueFactory.html" title="class in org.apache.cassandra.gms">VersionedValue.VersionedValueFactory</a></strong></code> </td> </tr> </table> </li> </ul>  <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 char</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#DELIMITER">DELIMITER</a></strong></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#DELIMITER_STR">DELIMITER_STR</a></strong></code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#HIBERNATE">HIBERNATE</a></strong></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#REMOVAL_COORDINATOR">REMOVAL_COORDINATOR</a></strong></code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#REMOVED_TOKEN">REMOVED_TOKEN</a></strong></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#REMOVING_TOKEN">REMOVING_TOKEN</a></strong></code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static <a href="../../../../org/apache/cassandra/io/IVersionedSerializer.html" title="interface in org.apache.cassandra.io">IVersionedSerializer</a><<a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#serializer">serializer</a></strong></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#STATUS_BOOTSTRAPPING">STATUS_BOOTSTRAPPING</a></strong></code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#STATUS_LEAVING">STATUS_LEAVING</a></strong></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#STATUS_LEFT">STATUS_LEFT</a></strong></code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#STATUS_MOVING">STATUS_MOVING</a></strong></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#STATUS_NORMAL">STATUS_NORMAL</a></strong></code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#value">value</a></strong></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#version">version</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>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#compareTo(org.apache.cassandra.gms.VersionedValue)">compareTo</a></strong>(<a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a> value)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/gms/VersionedValue.html#toString()">toString</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, 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="serializer">  </a> <ul class="blockList"> <li class="blockList"> <h4>serializer</h4> <pre>public static final <a href="../../../../org/apache/cassandra/io/IVersionedSerializer.html" title="interface in org.apache.cassandra.io">IVersionedSerializer</a><<a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a>> serializer</pre> </li> </ul> <a name="DELIMITER">  </a> <ul class="blockList"> <li class="blockList"> <h4>DELIMITER</h4> <pre>public static final char DELIMITER</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.DELIMITER">Constant Field Values</a></dd></dl> </li> </ul> <a name="DELIMITER_STR">  </a> <ul class="blockList"> <li class="blockList"> <h4>DELIMITER_STR</h4> <pre>public static final java.lang.String DELIMITER_STR</pre> </li> </ul> <a name="STATUS_BOOTSTRAPPING">  </a> <ul class="blockList"> <li class="blockList"> <h4>STATUS_BOOTSTRAPPING</h4> <pre>public static final java.lang.String STATUS_BOOTSTRAPPING</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.STATUS_BOOTSTRAPPING">Constant Field Values</a></dd></dl> </li> </ul> <a name="STATUS_NORMAL">  </a> <ul class="blockList"> <li class="blockList"> <h4>STATUS_NORMAL</h4> <pre>public static final java.lang.String STATUS_NORMAL</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.STATUS_NORMAL">Constant Field Values</a></dd></dl> </li> </ul> <a name="STATUS_LEAVING">  </a> <ul class="blockList"> <li class="blockList"> <h4>STATUS_LEAVING</h4> <pre>public static final java.lang.String STATUS_LEAVING</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.STATUS_LEAVING">Constant Field Values</a></dd></dl> </li> </ul> <a name="STATUS_LEFT">  </a> <ul class="blockList"> <li class="blockList"> <h4>STATUS_LEFT</h4> <pre>public static final java.lang.String STATUS_LEFT</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.STATUS_LEFT">Constant Field Values</a></dd></dl> </li> </ul> <a name="STATUS_MOVING">  </a> <ul class="blockList"> <li class="blockList"> <h4>STATUS_MOVING</h4> <pre>public static final java.lang.String STATUS_MOVING</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.STATUS_MOVING">Constant Field Values</a></dd></dl> </li> </ul> <a name="REMOVING_TOKEN">  </a> <ul class="blockList"> <li class="blockList"> <h4>REMOVING_TOKEN</h4> <pre>public static final java.lang.String REMOVING_TOKEN</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.REMOVING_TOKEN">Constant Field Values</a></dd></dl> </li> </ul> <a name="REMOVED_TOKEN">  </a> <ul class="blockList"> <li class="blockList"> <h4>REMOVED_TOKEN</h4> <pre>public static final java.lang.String REMOVED_TOKEN</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.REMOVED_TOKEN">Constant Field Values</a></dd></dl> </li> </ul> <a name="HIBERNATE">  </a> <ul class="blockList"> <li class="blockList"> <h4>HIBERNATE</h4> <pre>public static final java.lang.String HIBERNATE</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.HIBERNATE">Constant Field Values</a></dd></dl> </li> </ul> <a name="REMOVAL_COORDINATOR">  </a> <ul class="blockList"> <li class="blockList"> <h4>REMOVAL_COORDINATOR</h4> <pre>public static final java.lang.String REMOVAL_COORDINATOR</pre> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.cassandra.gms.VersionedValue.REMOVAL_COORDINATOR">Constant Field Values</a></dd></dl> </li> </ul> <a name="version">  </a> <ul class="blockList"> <li class="blockList"> <h4>version</h4> <pre>public final int version</pre> </li> </ul> <a name="value">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>value</h4> <pre>public final java.lang.String value</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_detail">  </a> <h3>Method Detail</h3> <a name="compareTo(org.apache.cassandra.gms.VersionedValue)">  </a> <ul class="blockList"> <li class="blockList"> <h4>compareTo</h4> <pre>public int compareTo(<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>compareTo</code> in interface <code>java.lang.Comparable<<a href="../../../../org/apache/cassandra/gms/VersionedValue.html" title="class in org.apache.cassandra.gms">VersionedValue</a>></code></dd> </dl> </li> </ul> <a name="toString()">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>toString</h4> <pre>public java.lang.String toString()</pre> <dl> <dt><strong>Overrides:</strong></dt> <dd><code>toString</code> in class <code>java.lang.Object</code></dd> </dl> </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 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