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>Memtable (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/Memtable.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/db/KeyspaceNotDefinedException.html" title="class in org.apache.cassandra.db"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/apache/cassandra/db/MigrationRequestVerbHandler.html" title="class in org.apache.cassandra.db"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?org/apache/cassandra/db/Memtable.html" target="_top">Frames</a></li> <li><a href="Memtable.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>Nested | </li> <li><a href="#field_summary">Field</a> | </li> <li><a href="#constructor_summary">Constr</a> | </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><a href="#constructor_detail">Constr</a> | </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.db</div> <h2 title="Class Memtable" class="title">Class Memtable</h2> </div> <div class="contentContainer"> <ul class="inheritance"> <li>java.lang.Object</li> <li> <ul class="inheritance"> <li>org.apache.cassandra.db.Memtable</li> </ul> </li> </ul> <div class="description"> <ul class="blockList"> <li class="blockList"> <hr> <br> <pre>public class <span class="strong">Memtable</span> extends java.lang.Object</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><a href="../../../../org/apache/cassandra/db/ColumnFamilyStore.html" title="class in org.apache.cassandra.db">ColumnFamilyStore</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#cfs">cfs</a></strong></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/composites/CellNameType.html" title="interface in org.apache.cassandra.db.composites">CellNameType</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#initialComparator">initialComparator</a></strong></code> </td> </tr> </table> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="constructor_summary">  </a> <h3>Constructor Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> <caption><span>Constructors</span><span class="tabEnd"> </span></caption> <tr> <th class="colOne" scope="col">Constructor and Description</th> </tr> <tr class="altColor"> <td class="colOne"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#Memtable(org.apache.cassandra.db.ColumnFamilyStore)">Memtable</a></strong>(<a href="../../../../org/apache/cassandra/db/ColumnFamilyStore.html" title="class in org.apache.cassandra.db">ColumnFamilyStore</a> cfs)</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>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#accepts(org.apache.cassandra.utils.concurrent.OpOrder.Group)">accepts</a></strong>(<a href="../../../../org/apache/cassandra/utils/concurrent/OpOrder.Group.html" title="class in org.apache.cassandra.utils.concurrent">OpOrder.Group</a> opGroup)</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/db/Memtable.html#contents()">contents</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>long</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#creationTime()">creationTime</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>org.apache.cassandra.db.Memtable.FlushRunnable</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#flushRunnable()">flushRunnable</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/utils/memory/MemtableAllocator.html" title="class in org.apache.cassandra.utils.memory">MemtableAllocator</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#getAllocator()">getAllocator</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#getColumnFamily(org.apache.cassandra.db.DecoratedKey)">getColumnFamily</a></strong>(<a href="../../../../org/apache/cassandra/db/DecoratedKey.html" title="class in org.apache.cassandra.db">DecoratedKey</a> key)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>java.util.Iterator<java.util.Map.Entry<<a href="../../../../org/apache/cassandra/db/DecoratedKey.html" title="class in org.apache.cassandra.db">DecoratedKey</a>,<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a>>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#getEntryIterator(org.apache.cassandra.db.RowPosition,%20org.apache.cassandra.db.RowPosition)">getEntryIterator</a></strong>(<a href="../../../../org/apache/cassandra/db/RowPosition.html" title="interface in org.apache.cassandra.db">RowPosition</a> startWith, <a href="../../../../org/apache/cassandra/db/RowPosition.html" title="interface in org.apache.cassandra.db">RowPosition</a> stopAt)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/commitlog/ReplayPosition.html" title="class in org.apache.cassandra.db.commitlog">ReplayPosition</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#getLastReplayPosition()">getLastReplayPosition</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>long</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#getLiveDataSize()">getLiveDataSize</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>long</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#getOperations()">getOperations</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#isClean()">isClean</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#isCleanAfter(org.apache.cassandra.db.commitlog.ReplayPosition)">isCleanAfter</a></strong>(<a href="../../../../org/apache/cassandra/db/commitlog/ReplayPosition.html" title="class in org.apache.cassandra.db.commitlog">ReplayPosition</a> position)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#isExpired()">isExpired</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/Memtable.html#isLive()">isLive</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/db/Memtable.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="cfs">  </a> <ul class="blockList"> <li class="blockList"> <h4>cfs</h4> <pre>public final <a href="../../../../org/apache/cassandra/db/ColumnFamilyStore.html" title="class in org.apache.cassandra.db">ColumnFamilyStore</a> cfs</pre> </li> </ul> <a name="initialComparator">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>initialComparator</h4> <pre>public final <a href="../../../../org/apache/cassandra/db/composites/CellNameType.html" title="interface in org.apache.cassandra.db.composites">CellNameType</a> initialComparator</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="constructor_detail">  </a> <h3>Constructor Detail</h3> <a name="Memtable(org.apache.cassandra.db.ColumnFamilyStore)">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>Memtable</h4> <pre>public Memtable(<a href="../../../../org/apache/cassandra/db/ColumnFamilyStore.html" title="class in org.apache.cassandra.db">ColumnFamilyStore</a> cfs)</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_detail">  </a> <h3>Method Detail</h3> <a name="getAllocator()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getAllocator</h4> <pre>public <a href="../../../../org/apache/cassandra/utils/memory/MemtableAllocator.html" title="class in org.apache.cassandra.utils.memory">MemtableAllocator</a> getAllocator()</pre> </li> </ul> <a name="getLiveDataSize()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getLiveDataSize</h4> <pre>public long getLiveDataSize()</pre> </li> </ul> <a name="getOperations()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getOperations</h4> <pre>public long getOperations()</pre> </li> </ul> <a name="accepts(org.apache.cassandra.utils.concurrent.OpOrder.Group)">  </a> <ul class="blockList"> <li class="blockList"> <h4>accepts</h4> <pre>public boolean accepts(<a href="../../../../org/apache/cassandra/utils/concurrent/OpOrder.Group.html" title="class in org.apache.cassandra.utils.concurrent">OpOrder.Group</a> opGroup)</pre> </li> </ul> <a name="isLive()">  </a> <ul class="blockList"> <li class="blockList"> <h4>isLive</h4> <pre>public boolean isLive()</pre> </li> </ul> <a name="isClean()">  </a> <ul class="blockList"> <li class="blockList"> <h4>isClean</h4> <pre>public boolean isClean()</pre> </li> </ul> <a name="isCleanAfter(org.apache.cassandra.db.commitlog.ReplayPosition)">  </a> <ul class="blockList"> <li class="blockList"> <h4>isCleanAfter</h4> <pre>public boolean isCleanAfter(<a href="../../../../org/apache/cassandra/db/commitlog/ReplayPosition.html" title="class in org.apache.cassandra.db.commitlog">ReplayPosition</a> position)</pre> </li> </ul> <a name="isExpired()">  </a> <ul class="blockList"> <li class="blockList"> <h4>isExpired</h4> <pre>public boolean isExpired()</pre> <dl><dt><span class="strong">Returns:</span></dt><dd>true if this memtable is expired. Expiration time is determined by CF's memtable_flush_period_in_ms.</dd></dl> </li> </ul> <a name="contents()">  </a> <ul class="blockList"> <li class="blockList"> <h4>contents</h4> <pre>public java.lang.String contents()</pre> </li> </ul> <a name="flushRunnable()">  </a> <ul class="blockList"> <li class="blockList"> <h4>flushRunnable</h4> <pre>public org.apache.cassandra.db.Memtable.FlushRunnable flushRunnable()</pre> </li> </ul> <a name="toString()">  </a> <ul class="blockList"> <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> <a name="getEntryIterator(org.apache.cassandra.db.RowPosition, org.apache.cassandra.db.RowPosition)">  </a> <ul class="blockList"> <li class="blockList"> <h4>getEntryIterator</h4> <pre>public java.util.Iterator<java.util.Map.Entry<<a href="../../../../org/apache/cassandra/db/DecoratedKey.html" title="class in org.apache.cassandra.db">DecoratedKey</a>,<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a>>> getEntryIterator(<a href="../../../../org/apache/cassandra/db/RowPosition.html" title="interface in org.apache.cassandra.db">RowPosition</a> startWith, <a href="../../../../org/apache/cassandra/db/RowPosition.html" title="interface in org.apache.cassandra.db">RowPosition</a> stopAt)</pre> <dl><dt><span class="strong">Parameters:</span></dt><dd><code>startWith</code> - Include data in the result from and including this key and to the end of the memtable</dd> <dt><span class="strong">Returns:</span></dt><dd>An iterator of entries with the data from the start key</dd></dl> </li> </ul> <a name="getColumnFamily(org.apache.cassandra.db.DecoratedKey)">  </a> <ul class="blockList"> <li class="blockList"> <h4>getColumnFamily</h4> <pre>public <a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> getColumnFamily(<a href="../../../../org/apache/cassandra/db/DecoratedKey.html" title="class in org.apache.cassandra.db">DecoratedKey</a> key)</pre> </li> </ul> <a name="creationTime()">  </a> <ul class="blockList"> <li class="blockList"> <h4>creationTime</h4> <pre>public long creationTime()</pre> </li> </ul> <a name="getLastReplayPosition()">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>getLastReplayPosition</h4> <pre>public <a href="../../../../org/apache/cassandra/db/commitlog/ReplayPosition.html" title="class in org.apache.cassandra.db.commitlog">ReplayPosition</a> getLastReplayPosition()</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/Memtable.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/db/KeyspaceNotDefinedException.html" title="class in org.apache.cassandra.db"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/apache/cassandra/db/MigrationRequestVerbHandler.html" title="class in org.apache.cassandra.db"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?org/apache/cassandra/db/Memtable.html" target="_top">Frames</a></li> <li><a href="Memtable.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><a href="#constructor_summary">Constr</a> | </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><a href="#constructor_detail">Constr</a> | </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>