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<div class="subTitle">org.apache.hadoop.hdfs.server.namenode.snapshot</div>
<h2 title="Class DirectoryDiffListFactory" class="title">Class DirectoryDiffListFactory</h2>
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<pre>public abstract class <span class="typeNameLabel">DirectoryDiffListFactory</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">For creating <a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DiffList.html" title="interface in org.apache.hadoop.hdfs.server.namenode.snapshot"><code>DiffList</code></a> for <a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DirectoryWithSnapshotFeature.DirectoryDiff.html" title="class in org.apache.hadoop.hdfs.server.namenode.snapshot"><code>DirectoryWithSnapshotFeature.DirectoryDiff</code></a>.</div>
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<td class="colFirst"><code>static <a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DiffList.html" title="interface in org.apache.hadoop.hdfs.server.namenode.snapshot">DiffList</a>&lt;<a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DirectoryWithSnapshotFeature.DirectoryDiff.html" title="class in org.apache.hadoop.hdfs.server.namenode.snapshot">DirectoryWithSnapshotFeature.DirectoryDiff</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DirectoryDiffListFactory.html#createDiffList-int-">createDiffList</a></span>(int&nbsp;capacity)</code>&nbsp;</td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DirectoryDiffListFactory.html#init-int-int-org.slf4j.Logger-">init</a></span>(int&nbsp;interval,
int&nbsp;maxSkipLevels,
org.slf4j.Logger&nbsp;log)</code>&nbsp;</td>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DirectoryDiffListFactory.html#randomLevel--">randomLevel</a></span>()</code>
<div class="block">Returns the level of a skip list node.</div>
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<pre>public static&nbsp;<a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DiffList.html" title="interface in org.apache.hadoop.hdfs.server.namenode.snapshot">DiffList</a>&lt;<a href="../../../../../../../org/apache/hadoop/hdfs/server/namenode/snapshot/DirectoryWithSnapshotFeature.DirectoryDiff.html" title="class in org.apache.hadoop.hdfs.server.namenode.snapshot">DirectoryWithSnapshotFeature.DirectoryDiff</a>&gt;&nbsp;createDiffList(int&nbsp;capacity)</pre>
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<pre>public static&nbsp;void&nbsp;init(int&nbsp;interval,
int&nbsp;maxSkipLevels,
org.slf4j.Logger&nbsp;log)</pre>
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<pre>public static&nbsp;int&nbsp;randomLevel()</pre>
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