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>RowDataResolver (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/RowDataResolver.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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class="blockList"> <li class="blockList"> <dl> <dt>All Implemented Interfaces:</dt> <dd><a href="../../../../org/apache/cassandra/service/IResponseResolver.html" title="interface in org.apache.cassandra.service">IResponseResolver</a><<a href="../../../../org/apache/cassandra/db/ReadResponse.html" title="class in org.apache.cassandra.db">ReadResponse</a>,<a href="../../../../org/apache/cassandra/db/Row.html" title="class in org.apache.cassandra.db">Row</a>></dd> </dl> <hr> <br> <pre>public class <span class="strong">RowDataResolver</span> extends <a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html" title="class in org.apache.cassandra.service">AbstractRowResolver</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>java.util.List<<a href="../../../../org/apache/cassandra/net/AsyncOneResponse.html" title="class in org.apache.cassandra.net">AsyncOneResponse</a>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/RowDataResolver.html#repairResults">repairResults</a></strong></code> </td> </tr> </table> <ul class="blockList"> <li class="blockList"><a name="fields_inherited_from_class_org.apache.cassandra.service.AbstractRowResolver">  </a> <h3>Fields inherited from class org.apache.cassandra.service.<a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html" title="class in org.apache.cassandra.service">AbstractRowResolver</a></h3> <code><a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html#key">key</a>, <a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html#keyspaceName">keyspaceName</a>, <a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html#logger">logger</a>, <a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html#replies">replies</a></code></li> </ul> </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/service/RowDataResolver.html#RowDataResolver(java.lang.String,%20java.nio.ByteBuffer,%20org.apache.cassandra.db.filter.IDiskAtomFilter,%20long)">RowDataResolver</a></strong>(java.lang.String keyspaceName, java.nio.ByteBuffer key, <a href="../../../../org/apache/cassandra/db/filter/IDiskAtomFilter.html" title="interface in org.apache.cassandra.db.filter">IDiskAtomFilter</a> qFilter, long timestamp)</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><a href="../../../../org/apache/cassandra/db/Row.html" title="class in org.apache.cassandra.db">Row</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/RowDataResolver.html#getData()">getData</a></strong>()</code> <div class="block">returns the data response without comparing with any digests</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/RowDataResolver.html#getMaxLiveCount()">getMaxLiveCount</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/service/RowDataResolver.html#isDataPresent()">isDataPresent</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/Row.html" title="class in org.apache.cassandra.db">Row</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/RowDataResolver.html#resolve()">resolve</a></strong>()</code> <div class="block">This Method resolves the responses that are passed in .</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>static java.util.List<<a href="../../../../org/apache/cassandra/net/AsyncOneResponse.html" title="class in org.apache.cassandra.net">AsyncOneResponse</a>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/service/RowDataResolver.html#scheduleRepairs(org.apache.cassandra.db.ColumnFamily,%20java.lang.String,%20org.apache.cassandra.db.DecoratedKey,%20java.util.List,%20java.util.List)">scheduleRepairs</a></strong>(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> resolved, java.lang.String keyspaceName, <a href="../../../../org/apache/cassandra/db/DecoratedKey.html" title="class in org.apache.cassandra.db">DecoratedKey</a> key, java.util.List<<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a>> versions, java.util.List<java.net.InetAddress> endpoints)</code> <div class="block">For each row version, compare with resolved (the superset of all row versions); if it is missing anything, send a mutation to the endpoint it come from.</div> </td> </tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_org.apache.cassandra.service.AbstractRowResolver">  </a> <h3>Methods inherited from class org.apache.cassandra.service.<a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html" title="class in org.apache.cassandra.service">AbstractRowResolver</a></h3> <code><a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html#getMessages()">getMessages</a>, <a href="../../../../org/apache/cassandra/service/AbstractRowResolver.html#preprocess(org.apache.cassandra.net.MessageIn)">preprocess</a></code></li> </ul> <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="repairResults">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>repairResults</h4> <pre>public java.util.List<<a href="../../../../org/apache/cassandra/net/AsyncOneResponse.html" title="class in org.apache.cassandra.net">AsyncOneResponse</a>> repairResults</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="constructor_detail">  </a> <h3>Constructor Detail</h3> <a name="RowDataResolver(java.lang.String, java.nio.ByteBuffer, org.apache.cassandra.db.filter.IDiskAtomFilter, long)">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>RowDataResolver</h4> <pre>public RowDataResolver(java.lang.String keyspaceName, java.nio.ByteBuffer key, <a href="../../../../org/apache/cassandra/db/filter/IDiskAtomFilter.html" title="interface in org.apache.cassandra.db.filter">IDiskAtomFilter</a> qFilter, long timestamp)</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_detail">  </a> <h3>Method Detail</h3> <a name="resolve()">  </a> <ul class="blockList"> <li class="blockList"> <h4>resolve</h4> <pre>public <a href="../../../../org/apache/cassandra/db/Row.html" title="class in org.apache.cassandra.db">Row</a> resolve() throws <a href="../../../../org/apache/cassandra/service/DigestMismatchException.html" title="class in org.apache.cassandra.service">DigestMismatchException</a></pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/service/IResponseResolver.html#resolve()">IResponseResolver</a></code></strong></div> <div class="block">This Method resolves the responses that are passed in . for example : if its write response then all we get is true or false return values which implies if the writes were successful but for reads its more complicated you need to look at the responses and then based on differences schedule repairs . Hence you need to derive a response resolver based on your needs from this interface.</div> <dl><dt><span class="strong">Throws:</span></dt> <dd><code><a href="../../../../org/apache/cassandra/service/DigestMismatchException.html" title="class in org.apache.cassandra.service">DigestMismatchException</a></code></dd></dl> </li> </ul> <a name="scheduleRepairs(org.apache.cassandra.db.ColumnFamily, java.lang.String, org.apache.cassandra.db.DecoratedKey, java.util.List, java.util.List)">  </a> <ul class="blockList"> <li class="blockList"> <h4>scheduleRepairs</h4> <pre>public static java.util.List<<a href="../../../../org/apache/cassandra/net/AsyncOneResponse.html" title="class in org.apache.cassandra.net">AsyncOneResponse</a>> scheduleRepairs(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> resolved, java.lang.String keyspaceName, <a href="../../../../org/apache/cassandra/db/DecoratedKey.html" title="class in org.apache.cassandra.db">DecoratedKey</a> key, java.util.List<<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a>> versions, java.util.List<java.net.InetAddress> endpoints)</pre> <div class="block">For each row version, compare with resolved (the superset of all row versions); if it is missing anything, send a mutation to the endpoint it come from.</div> </li> </ul> <a name="getData()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getData</h4> <pre>public <a href="../../../../org/apache/cassandra/db/Row.html" title="class in org.apache.cassandra.db">Row</a> getData()</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/service/IResponseResolver.html#getData()">IResponseResolver</a></code></strong></div> <div class="block">returns the data response without comparing with any digests</div> </li> </ul> <a name="isDataPresent()">  </a> <ul class="blockList"> <li class="blockList"> <h4>isDataPresent</h4> <pre>public boolean isDataPresent()</pre> </li> </ul> <a name="getMaxLiveCount()">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>getMaxLiveCount</h4> <pre>public int getMaxLiveCount()</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/RowDataResolver.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/ReadCallback.html" title="class in org.apache.cassandra.service"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/apache/cassandra/service/RowDigestResolver.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/RowDataResolver.html" target="_top">Frames</a></li> <li><a href="RowDataResolver.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>