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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  <html lang="en"> <head>  <title>RangeTombstoneList (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/RangeTombstoneList.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/RangeTombstone.Tracker.html" title="class in org.apache.cassandra.db"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.InOrderTester.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/RangeTombstoneList.html" target="_top">Frames</a></li> <li><a href="RangeTombstoneList.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>Field | </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>Field | </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 RangeTombstoneList" class="title">Class RangeTombstoneList</h2> </div> <div class="contentContainer"> <ul class="inheritance"> <li>java.lang.Object</li> <li> <ul class="inheritance"> <li>org.apache.cassandra.db.RangeTombstoneList</li> </ul> </li> </ul> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Implemented Interfaces:</dt> <dd>java.lang.Iterable<<a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a>>, <a href="../../../../org/apache/cassandra/cache/IMeasurableMemory.html" title="interface in org.apache.cassandra.cache">IMeasurableMemory</a></dd> </dl> <hr> <br> <pre>public class <span class="strong">RangeTombstoneList</span> extends java.lang.Object implements java.lang.Iterable<<a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a>>, <a href="../../../../org/apache/cassandra/cache/IMeasurableMemory.html" title="interface in org.apache.cassandra.cache">IMeasurableMemory</a></pre> <div class="block">Data structure holding the range tombstones of a ColumnFamily. <p> This is essentially a sorted list of non-overlapping (tombstone) ranges. <p> A range tombstone has 4 elements: the start and end of the range covered, and the deletion infos (markedAt timestamp and local deletion time). The markedAt timestamp is what define the priority of 2 overlapping tombstones. That is, given 2 tombstones [0, 10]@t1 and [5, 15]@t2, then if t2 > t1 (and are the tombstones markedAt values), the 2nd tombstone take precedence over the first one on [5, 10]. If such tombstones are added to a RangeTombstoneList, the range tombstone list will store them as [[0, 5]@t1, [5, 15]@t2]. <p> The only use of the local deletion time is to know when a given tombstone can be purged, which will be done by the purge() method.</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>class </code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.InOrderTester.html" title="class in org.apache.cassandra.db">RangeTombstoneList.InOrderTester</a></strong></code> <div class="block">This object allow testing whether a given column (name/timestamp) is deleted or not by this RangeTombstoneList, assuming that the column given to this object are passed in (comparator) sorted order.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static class </code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.Serializer.html" title="class in org.apache.cassandra.db">RangeTombstoneList.Serializer</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/RangeTombstoneList.html#RangeTombstoneList(java.util.Comparator,%20int)">RangeTombstoneList</a></strong>(java.util.Comparator<<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a>> comparator, int capacity)</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/db/RangeTombstoneList.html#add(org.apache.cassandra.db.composites.Composite,%20org.apache.cassandra.db.composites.Composite,%20long,%20int)">add</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> start, <a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> end, long markedAt, int delTime)</code> <div class="block">Adds a new range tombstone.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#add(org.apache.cassandra.db.RangeTombstone)">add</a></strong>(<a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a> tombstone)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#addAll(org.apache.cassandra.db.RangeTombstoneList)">addAll</a></strong>(<a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a> tombstones)</code> <div class="block">Adds all the range tombstones of <code>tombstones</code> to this RangeTombstoneList.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.util.Comparator<<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#comparator()">comparator</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#copy()">copy</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#copy(org.apache.cassandra.utils.memory.AbstractAllocator)">copy</a></strong>(<a href="../../../../org/apache/cassandra/utils/memory/AbstractAllocator.html" title="class in org.apache.cassandra.utils.memory">AbstractAllocator</a> allocator)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#dataSize()">dataSize</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#diff(org.apache.cassandra.db.RangeTombstoneList)">diff</a></strong>(<a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a> superset)</code> <div class="block">Evaluates a diff between superset (known to be all merged tombstones) and this list for read repair</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#equals(java.lang.Object)">equals</a></strong>(java.lang.Object o)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#hashCode()">hashCode</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/RangeTombstoneList.html#hasPurgeableTombstones(int)">hasPurgeableTombstones</a></strong>(int gcBefore)</code> <div class="block">Returns whether <code>purge(gcBefore)</code> would remove something or not.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#isDeleted(org.apache.cassandra.db.Cell)">isDeleted</a></strong>(<a href="../../../../org/apache/cassandra/db/Cell.html" title="interface in org.apache.cassandra.db">Cell</a> cell)</code> <div class="block">Returns whether the given name/timestamp pair is deleted by one of the tombstone of this RangeTombstoneList.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#isEmpty()">isEmpty</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.util.Iterator<<a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#iterator()">iterator</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>java.util.Iterator<<a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#iterator(org.apache.cassandra.db.composites.Composite,%20org.apache.cassandra.db.composites.Composite)">iterator</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> from, <a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> till)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>long</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#maxMarkedAt()">maxMarkedAt</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/RangeTombstoneList.html#minMarkedAt()">minMarkedAt</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#purge(int)">purge</a></strong>(int gcBefore)</code> <div class="block">Removes all range tombstones whose local deletion time is older than gcBefore.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#search(org.apache.cassandra.db.composites.Composite)">search</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> name)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/DeletionTime.html" title="class in org.apache.cassandra.db">DeletionTime</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#searchDeletionTime(org.apache.cassandra.db.composites.Composite)">searchDeletionTime</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> name)</code> <div class="block">Returns the DeletionTime for the tombstone overlapping <code>name</code> (there can't be more than one), or null if <code>name</code> is not covered by any tombstone.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#size()">size</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/RangeTombstoneList.html#unsharedHeapSize()">unsharedHeapSize</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/db/RangeTombstoneList.html#updateAllTimestamp(long)">updateAllTimestamp</a></strong>(long timestamp)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html#updateDigest(java.security.MessageDigest)">updateDigest</a></strong>(java.security.MessageDigest digest)</code> <div class="block">Calculates digest for triggering read repair on mismatch</div> </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, finalize, getClass, 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="constructor_detail">  </a> <h3>Constructor Detail</h3> <a name="RangeTombstoneList(java.util.Comparator, int)">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>RangeTombstoneList</h4> <pre>public RangeTombstoneList(java.util.Comparator<<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a>> comparator, int capacity)</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_detail">  </a> <h3>Method Detail</h3> <a name="isEmpty()">  </a> <ul 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href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a> copy(<a href="../../../../org/apache/cassandra/utils/memory/AbstractAllocator.html" title="class in org.apache.cassandra.utils.memory">AbstractAllocator</a> allocator)</pre> </li> </ul> <a name="add(org.apache.cassandra.db.RangeTombstone)">  </a> <ul class="blockList"> <li class="blockList"> <h4>add</h4> <pre>public void add(<a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a> tombstone)</pre> </li> </ul> <a name="add(org.apache.cassandra.db.composites.Composite, org.apache.cassandra.db.composites.Composite, long, int)">  </a> <ul class="blockList"> <li class="blockList"> <h4>add</h4> <pre>public void add(<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> start, <a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> end, long markedAt, int delTime)</pre> <div class="block">Adds a new range tombstone. This method will be faster if the new tombstone sort after all the currently existing ones (this is a common use case), but it doesn't assume it.</div> </li> </ul> <a name="addAll(org.apache.cassandra.db.RangeTombstoneList)">  </a> <ul class="blockList"> <li class="blockList"> <h4>addAll</h4> <pre>public void addAll(<a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a> tombstones)</pre> <div class="block">Adds all the range tombstones of <code>tombstones</code> to this RangeTombstoneList.</div> </li> </ul> <a name="isDeleted(org.apache.cassandra.db.Cell)">  </a> <ul class="blockList"> <li class="blockList"> <h4>isDeleted</h4> <pre>public boolean isDeleted(<a href="../../../../org/apache/cassandra/db/Cell.html" title="interface in org.apache.cassandra.db">Cell</a> cell)</pre> <div class="block">Returns whether the given name/timestamp pair is deleted by one of the tombstone of this RangeTombstoneList.</div> 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href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> name)</pre> </li> </ul> <a name="dataSize()">  </a> <ul class="blockList"> <li class="blockList"> <h4>dataSize</h4> <pre>public int dataSize()</pre> </li> </ul> <a name="minMarkedAt()">  </a> <ul class="blockList"> <li class="blockList"> <h4>minMarkedAt</h4> <pre>public long minMarkedAt()</pre> </li> </ul> <a name="maxMarkedAt()">  </a> <ul class="blockList"> <li class="blockList"> <h4>maxMarkedAt</h4> <pre>public long maxMarkedAt()</pre> </li> </ul> <a name="updateAllTimestamp(long)">  </a> <ul class="blockList"> <li class="blockList"> <h4>updateAllTimestamp</h4> <pre>public void updateAllTimestamp(long timestamp)</pre> </li> </ul> <a name="purge(int)">  </a> <ul class="blockList"> <li class="blockList"> <h4>purge</h4> <pre>public void purge(int gcBefore)</pre> <div class="block">Removes all range tombstones whose local deletion time is older than 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<li class="blockList"> <h4>iterator</h4> <pre>public java.util.Iterator<<a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a>> iterator(<a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> from, <a href="../../../../org/apache/cassandra/db/composites/Composite.html" title="interface in org.apache.cassandra.db.composites">Composite</a> till)</pre> </li> </ul> <a name="diff(org.apache.cassandra.db.RangeTombstoneList)">  </a> <ul class="blockList"> <li class="blockList"> <h4>diff</h4> <pre>public <a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a> diff(<a href="../../../../org/apache/cassandra/db/RangeTombstoneList.html" title="class in org.apache.cassandra.db">RangeTombstoneList</a> superset)</pre> <div class="block">Evaluates a diff between 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