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<div class="subTitle">org.apache.geode.cache.persistence</div>
<h2 title="Interface PersistentID" class="title">Interface PersistentID</h2>
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<pre>public interface <span class="typeNameLabel">PersistentID</span>
extends <a href="../../../../../org/apache/geode/DataSerializable.html" title="interface in org.apache.geode">DataSerializable</a></pre>
<div class="block">A pattern describing a single member's a set of persistent files for a region. When a member has
a region defined with the a data policy of <a href="../../../../../org/apache/geode/cache/DataPolicy.html#PERSISTENT_REPLICATE"><code>DataPolicy.PERSISTENT_REPLICATE</code></a>, that members
persistent files are assigned a unique ID. After a failure of all members, during recovery, the
persistent members will wait for all persistent copies of the region to be recovered before
completing region initialization.
This pattern describes what unique ids the currently recovering persistent members are waiting
for. See <a href="../../../../../org/apache/geode/admin/AdminDistributedSystem.html#getMissingPersistentMembers--"><code>AdminDistributedSystem.getMissingPersistentMembers()</code></a></div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/geode/cache/persistence/PersistentID.html#getDirectory--">getDirectory</a></span>()</code>
<div class="block">The directory which the persistent data was last residing in.</div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/geode/cache/persistence/PersistentID.html#getHost--">getHost</a></span>()</code>
<div class="block">The host on which the persistent data was last residing</div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/geode/cache/persistence/PersistentID.html#getUUID--">getUUID</a></span>()</code>
<div class="block">The unique identifier for the persistent data.</div>
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<code><a href="../../../../../org/apache/geode/DataSerializable.html#fromData-java.io.DataInput-">fromData</a>, <a href="../../../../../org/apache/geode/DataSerializable.html#toData-java.io.DataOutput-">toData</a></code></li>
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<h4>getHost</h4>
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<div class="block">The host on which the persistent data was last residing</div>
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<dd>the host on which the persistent data was last residing</dd>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getDirectory()</pre>
<div class="block">The directory which the persistent data was last residing in.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the directory which the persistent data was last residing in</dd>
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<h4>getUUID</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;getUUID()</pre>
<div class="block">The unique identifier for the persistent data.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the unique identifier for the persistent data</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>GemFire 7.0</dd>
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