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<div class="subTitle">org.apache.bookkeeper.client</div>
<h2 title="Class RackawareEnsemblePlacementPolicyImpl" class="title">Class RackawareEnsemblePlacementPolicyImpl</h2>
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<li><a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.html" title="class in org.apache.bookkeeper.client">org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy</a></li>
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<ul class="inheritance">
<li>org.apache.bookkeeper.client.RackawareEnsemblePlacementPolicyImpl</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html" title="interface in org.apache.bookkeeper.client">EnsemblePlacementPolicy</a>, <a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;</dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicy.html" title="class in org.apache.bookkeeper.client">RackawareEnsemblePlacementPolicy</a></dd>
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<pre>class <span class="typeNameLabel">RackawareEnsemblePlacementPolicyImpl</span>
extends <a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy</a></pre>
<div class="block">Simple rackware ensemble placement policy.
Make most of the class and methods as protected, so it could be extended to implement other algorithms.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.DefaultResolver.html" title="class in org.apache.bookkeeper.client">RackawareEnsemblePlacementPolicyImpl.DefaultResolver</a></span></code>&nbsp;</td>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.bookkeeper.client.<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy</a></h3>
<code><a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>, <a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints</a>, <a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble</a>, <a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.TruePredicate.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.TruePredicate</a></code></li>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.bookkeeper.client.<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy</a></h3>
<code><a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="type parameter in ITopologyAwareEnsemblePlacementPolicy.Ensemble">T</a> extends org.apache.bookkeeper.net.Node&gt;, <a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="type parameter in ITopologyAwareEnsemblePlacementPolicy.Predicate">T</a> extends org.apache.bookkeeper.net.Node&gt;</code></li>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected org.apache.bookkeeper.net.DNSToSwitchMapping</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#dnsResolver">dnsResolver</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#enforceDurability">enforceDurability</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#isWeighted">isWeighted</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress,<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#knownBookies">knownBookies</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#localNode">localNode</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#LOG">LOG</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#maxWeightMultiple">maxWeightMultiple</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#RACKNAME_DISTANCE_FROM_LEAVES">RACKNAME_DISTANCE_FROM_LEAVES</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected com.google.common.collect.ImmutableSet&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#readOnlyBookies">readOnlyBookies</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#reorderReadsRandom">reorderReadsRandom</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://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/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#REPP_DNS_RESOLVER_CLASS">REPP_DNS_RESOLVER_CLASS</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="http://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/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#REPP_RANDOM_READ_REORDERING">REPP_RANDOM_READ_REORDERING</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/ReentrantReadWriteLock.html?is-external=true" title="class or interface in java.util.concurrent.locks">ReentrantReadWriteLock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#rwLock">rwLock</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#stabilizePeriodSeconds">stabilizePeriodSeconds</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/bookkeeper/stats/StatsLogger.html" title="interface in org.apache.bookkeeper.stats">StatsLogger</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#statsLogger">statsLogger</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected io.netty.util.HashedWheelTimer</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#timer">timer</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected org.apache.bookkeeper.net.NetworkTopology</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#topology">topology</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#RackawareEnsemblePlacementPolicyImpl--">RackawareEnsemblePlacementPolicyImpl</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#RackawareEnsemblePlacementPolicyImpl-boolean-">RackawareEnsemblePlacementPolicyImpl</a></span>(boolean&nbsp;enforceDurability)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#convertBookiesToNodes-java.util.Set-">convertBookiesToNodes</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#createBookieNode-org.apache.bookkeeper.net.BookieSocketAddress-">createBookieNode</a></span>(org.apache.bookkeeper.net.BookieSocketAddress&nbsp;addr)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>protected <a href="http://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/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#getRemoteRack-org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.BookieNode-">getRemoteRack</a></span>(<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&nbsp;node)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#handleBookiesThatJoined-java.util.Set-">handleBookiesThatJoined</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;joinedBookies)</code>
<div class="block">Handle bookies that joined</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#handleBookiesThatLeft-java.util.Set-">handleBookiesThatLeft</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;leftBookies)</code>
<div class="block">Handle bookies that left.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html" title="class in org.apache.bookkeeper.client">RackawareEnsemblePlacementPolicyImpl</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#initialize-org.apache.bookkeeper.conf.ClientConfiguration-java.util.Optional-io.netty.util.HashedWheelTimer-org.apache.bookkeeper.feature.FeatureProvider-org.apache.bookkeeper.stats.StatsLogger-">initialize</a></span>(<a href="../../../../org/apache/bookkeeper/conf/ClientConfiguration.html" title="class in org.apache.bookkeeper.conf">ClientConfiguration</a>&nbsp;conf,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;org.apache.bookkeeper.net.DNSToSwitchMapping&gt;&nbsp;optionalDnsResolver,
io.netty.util.HashedWheelTimer&nbsp;timer,
<a href="../../../../org/apache/bookkeeper/feature/FeatureProvider.html" title="interface in org.apache.bookkeeper.feature">FeatureProvider</a>&nbsp;featureProvider,
<a href="../../../../org/apache/bookkeeper/stats/StatsLogger.html" title="interface in org.apache.bookkeeper.stats">StatsLogger</a>&nbsp;statsLogger)</code>
<div class="block">Initialize the policy.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html" title="class in org.apache.bookkeeper.client">RackawareEnsemblePlacementPolicyImpl</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#initialize-org.apache.bookkeeper.net.DNSToSwitchMapping-io.netty.util.HashedWheelTimer-boolean-int-boolean-int-org.apache.bookkeeper.stats.StatsLogger-">initialize</a></span>(org.apache.bookkeeper.net.DNSToSwitchMapping&nbsp;dnsResolver,
io.netty.util.HashedWheelTimer&nbsp;timer,
boolean&nbsp;reorderReadsRandom,
int&nbsp;stabilizePeriodSeconds,
boolean&nbsp;isWeighted,
int&nbsp;maxWeightMultiple,
<a href="../../../../org/apache/bookkeeper/stats/StatsLogger.html" title="interface in org.apache.bookkeeper.stats">StatsLogger</a>&nbsp;statsLogger)</code>
<div class="block">Initialize the policy.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#newEnsemble-int-int-int-java.util.Map-java.util.Set-">newEnsemble</a></span>(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
int&nbsp;ackQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,byte[]&gt;&nbsp;customMetadata,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies)</code>
<div class="block">Choose <i>numBookies</i> bookies for ensemble.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#newEnsemble-int-int-int-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-">newEnsemble</a></span>(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
int&nbsp;ackQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentEnsemble,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentPredicate)</code>
<div class="block">Create an ensemble with parent ensemble.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#newEnsembleInternal-int-int-int-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-">newEnsembleInternal</a></span>(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
int&nbsp;ackQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentEnsemble,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentPredicate)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#newEnsembleInternal-int-int-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-">newEnsembleInternal</a></span>(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentEnsemble,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentPredicate)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#onClusterChanged-java.util.Set-java.util.Set-">onClusterChanged</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;writableBookies,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;readOnlyBookies)</code>
<div class="block">A consistent view of the cluster (what bookies are available as writable, what bookies are available as
readonly) is updated when any changes happen in the cluster.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#reorderReadSequence-java.util.ArrayList-java.util.List-java.util.Map-">reorderReadSequence</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;ensemble,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&nbsp;writeSet,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;&nbsp;bookieFailureHistory)</code>
<div class="block">Reorder the read sequence of a given write quorum <i>writeSet</i>.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>org.apache.bookkeeper.net.BookieSocketAddress</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#replaceBookie-int-int-int-java.util.Map-java.util.Collection-org.apache.bookkeeper.net.BookieSocketAddress-java.util.Set-">replaceBookie</a></span>(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
int&nbsp;ackQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,byte[]&gt;&nbsp;customMetadata,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;currentEnsemble,
org.apache.bookkeeper.net.BookieSocketAddress&nbsp;bookieToReplace,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies)</code>
<div class="block">Choose a new bookie to replace <i>bookieToReplace</i>.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>protected <a href="http://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/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#resolveNetworkLocation-org.apache.bookkeeper.net.BookieSocketAddress-">resolveNetworkLocation</a></span>(org.apache.bookkeeper.net.BookieSocketAddress&nbsp;addr)</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#selectFromNetworkLocation-java.lang.String-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">selectFromNetworkLocation</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;networkLoc,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;predicate,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;ensemble)</code>
<div class="block">Select a node from a given network location.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#selectRandom-int-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">selectRandom</a></span>(int&nbsp;numBookies,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;predicate,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;ensemble)</code>
<div class="block">Choose a random node from whole cluster.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#selectRandomFromRack-java.lang.String-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">selectRandomFromRack</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;netPath,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;predicate,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;ensemble)</code>
<div class="block">Choose random node under a given network path.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#selectRandomInternal-java.util.List-int-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">selectRandomInternal</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;bookiesToSelectFrom,
int&nbsp;numBookies,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;predicate,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;ensemble)</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#uninitalize--">uninitalize</a></span>()</code>
<div class="block">Uninitialize the policy</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html#updateBookieInfo-java.util.Map-">updateBookieInfo</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress,<a href="../../../../org/apache/bookkeeper/client/BookieInfoReader.BookieInfo.html" title="class in org.apache.bookkeeper.client">BookieInfoReader.BookieInfo</a>&gt;&nbsp;bookieInfoMap)</code>
<div class="block">Send the bookie info details.</div>
</td>
</tr>
</table>
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<h3>Methods inherited from class&nbsp;org.apache.bookkeeper.client.<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy</a></h3>
<code><a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.html#reorderReadLACSequence-java.util.ArrayList-java.util.List-java.util.Map-">reorderReadLACSequence</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
</ul>
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<h3>Field Detail</h3>
<a name="LOG">
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<h4>LOG</h4>
<pre>static final&nbsp;org.slf4j.Logger LOG</pre>
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<a name="isWeighted">
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<h4>isWeighted</h4>
<pre>boolean isWeighted</pre>
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<a name="maxWeightMultiple">
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<h4>maxWeightMultiple</h4>
<pre>int maxWeightMultiple</pre>
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<pre>public static final&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> REPP_DNS_RESOLVER_CLASS</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.bookkeeper.client.RackawareEnsemblePlacementPolicyImpl.REPP_DNS_RESOLVER_CLASS">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> REPP_RANDOM_READ_REORDERING</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.bookkeeper.client.RackawareEnsemblePlacementPolicyImpl.REPP_RANDOM_READ_REORDERING">Constant Field Values</a></dd>
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<pre>static final&nbsp;int RACKNAME_DISTANCE_FROM_LEAVES</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.bookkeeper.client.RackawareEnsemblePlacementPolicyImpl.RACKNAME_DISTANCE_FROM_LEAVES">Constant Field Values</a></dd>
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<pre>protected&nbsp;org.apache.bookkeeper.net.NetworkTopology topology</pre>
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<pre>protected&nbsp;org.apache.bookkeeper.net.DNSToSwitchMapping dnsResolver</pre>
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<pre>protected&nbsp;io.netty.util.HashedWheelTimer timer</pre>
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<pre>protected final&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress,<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt; knownBookies</pre>
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<pre>protected&nbsp;com.google.common.collect.ImmutableSet&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt; readOnlyBookies</pre>
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<pre>protected&nbsp;boolean reorderReadsRandom</pre>
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<pre>protected&nbsp;boolean enforceDurability</pre>
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<pre>protected&nbsp;<a href="../../../../org/apache/bookkeeper/stats/StatsLogger.html" title="interface in org.apache.bookkeeper.stats">StatsLogger</a> statsLogger</pre>
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<pre>RackawareEnsemblePlacementPolicyImpl()</pre>
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<pre>RackawareEnsemblePlacementPolicyImpl(boolean&nbsp;enforceDurability)</pre>
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<pre>protected&nbsp;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&nbsp;createBookieNode(org.apache.bookkeeper.net.BookieSocketAddress&nbsp;addr)</pre>
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<h4>initialize</h4>
<pre>protected&nbsp;<a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html" title="class in org.apache.bookkeeper.client">RackawareEnsemblePlacementPolicyImpl</a>&nbsp;initialize(org.apache.bookkeeper.net.DNSToSwitchMapping&nbsp;dnsResolver,
io.netty.util.HashedWheelTimer&nbsp;timer,
boolean&nbsp;reorderReadsRandom,
int&nbsp;stabilizePeriodSeconds,
boolean&nbsp;isWeighted,
int&nbsp;maxWeightMultiple,
<a href="../../../../org/apache/bookkeeper/stats/StatsLogger.html" title="interface in org.apache.bookkeeper.stats">StatsLogger</a>&nbsp;statsLogger)</pre>
<div class="block">Initialize the policy.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dnsResolver</code> - the object used to resolve addresses to their network address</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>initialized ensemble placement policy</dd>
</dl>
</li>
</ul>
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<pre>public&nbsp;<a href="../../../../org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.html" title="class in org.apache.bookkeeper.client">RackawareEnsemblePlacementPolicyImpl</a>&nbsp;initialize(<a href="../../../../org/apache/bookkeeper/conf/ClientConfiguration.html" title="class in org.apache.bookkeeper.conf">ClientConfiguration</a>&nbsp;conf,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;org.apache.bookkeeper.net.DNSToSwitchMapping&gt;&nbsp;optionalDnsResolver,
io.netty.util.HashedWheelTimer&nbsp;timer,
<a href="../../../../org/apache/bookkeeper/feature/FeatureProvider.html" title="interface in org.apache.bookkeeper.feature">FeatureProvider</a>&nbsp;featureProvider,
<a href="../../../../org/apache/bookkeeper/stats/StatsLogger.html" title="interface in org.apache.bookkeeper.stats">StatsLogger</a>&nbsp;statsLogger)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html#initialize-org.apache.bookkeeper.conf.ClientConfiguration-java.util.Optional-io.netty.util.HashedWheelTimer-org.apache.bookkeeper.feature.FeatureProvider-org.apache.bookkeeper.stats.StatsLogger-">EnsemblePlacementPolicy</a></code></span></div>
<div class="block">Initialize the policy.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - client configuration</dd>
<dd><code>optionalDnsResolver</code> - dns resolver</dd>
<dd><code>timer</code> - timer</dd>
<dd><code>featureProvider</code> - feature provider</dd>
<dd><code>statsLogger</code> - stats logger</dd>
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<pre>public&nbsp;void&nbsp;uninitalize()</pre>
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<div class="block">Uninitialize the policy</div>
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<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;resolveNetworkLocation(org.apache.bookkeeper.net.BookieSocketAddress&nbsp;addr)</pre>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;onClusterChanged(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;writableBookies,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;readOnlyBookies)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html#onClusterChanged-java.util.Set-java.util.Set-">EnsemblePlacementPolicy</a></code></span></div>
<div class="block">A consistent view of the cluster (what bookies are available as writable, what bookies are available as
readonly) is updated when any changes happen in the cluster.
<p>The implementation should take actions when the cluster view is changed. So subsequent
<a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html#newEnsemble-int-int-int-java.util.Map-java.util.Set-"><code>EnsemblePlacementPolicy.newEnsemble(int, int, int, Map, Set)</code></a> and
<a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html#replaceBookie-int-int-int-java.util.Map-java.util.Collection-org.apache.bookkeeper.net.BookieSocketAddress-java.util.Set-"><code>EnsemblePlacementPolicy.replaceBookie(int, int, int, Map, Collection, BookieSocketAddress, Set)</code></a> can choose proper bookies.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>writableBookies</code> - All the bookies in the cluster available for write/read.</dd>
<dd><code>readOnlyBookies</code> - All the bookies in the cluster available for readonly.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the dead bookies during this cluster change.</dd>
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<pre>public&nbsp;void&nbsp;handleBookiesThatLeft(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;leftBookies)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.html#handleBookiesThatLeft-java.util.Set-">ITopologyAwareEnsemblePlacementPolicy</a></code></span></div>
<div class="block">Handle bookies that left.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>leftBookies</code> - bookies that left</dd>
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<pre>public&nbsp;void&nbsp;handleBookiesThatJoined(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;joinedBookies)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.html#handleBookiesThatJoined-java.util.Set-">ITopologyAwareEnsemblePlacementPolicy</a></code></span></div>
<div class="block">Handle bookies that joined</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>joinedBookies</code> - bookies that joined.</dd>
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<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;convertBookiesToNodes(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies)</pre>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;newEnsemble(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
int&nbsp;ackQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,byte[]&gt;&nbsp;customMetadata,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
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<div class="block">Choose <i>numBookies</i> bookies for ensemble. If the count is more than the number of available
nodes, <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client"><code>BKException.BKNotEnoughBookiesException</code></a> is thrown.
<p>The implementation should respect to the replace settings. The size of the returned bookie list
should be equal to the provide <code>ensembleSize</code>.
<p><code>customMetadata</code> is the same user defined data that user provides
when <a href="../../../../org/apache/bookkeeper/client/BookKeeper.html#createLedger-int-int-int-org.apache.bookkeeper.client.BookKeeper.DigestType-byte:A-java.util.Map-"><code>BookKeeper.createLedger(int, int, int, BookKeeper.DigestType, byte[], Map)</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ensembleSize</code> - Ensemble Size</dd>
<dd><code>writeQuorumSize</code> - Write Quorum Size</dd>
<dd><code>ackQuorumSize</code> - the value of ackQuorumSize (added since 4.5)</dd>
<dd><code>customMetadata</code> - the value of customMetadata. it is the same user defined metadata that user
provides in <a href="../../../../org/apache/bookkeeper/client/BookKeeper.html#createLedger-int-int-int-org.apache.bookkeeper.client.BookKeeper.DigestType-byte:A-"><code>BookKeeper.createLedger(int, int, int, BookKeeper.DigestType, byte[])</code></a></dd>
<dd><code>excludeBookies</code> - Bookies that should not be considered as targets.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the java.util.ArrayList<org.apache.bookkeeper.net.BookieSocketAddress></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code> - if not enough bookies available.</dd>
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<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;newEnsembleInternal(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentEnsemble,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentPredicate)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code></dd>
</dl>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;newEnsemble(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
int&nbsp;ackQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentEnsemble,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentPredicate)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.html#newEnsemble-int-int-int-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-">ITopologyAwareEnsemblePlacementPolicy</a></code></span></div>
<div class="block">Create an ensemble with parent ensemble.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ensembleSize</code> - ensemble size</dd>
<dd><code>writeQuorumSize</code> - write quorum size</dd>
<dd><code>ackQuorumSize</code> - ack quorum size</dd>
<dd><code>excludeBookies</code> - exclude bookies</dd>
<dd><code>parentEnsemble</code> - parent ensemble</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of bookies forming the ensemble</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code></dd>
</dl>
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<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;newEnsembleInternal(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
int&nbsp;ackQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentEnsemble,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;parentPredicate)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code></dd>
</dl>
</li>
</ul>
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<h4>replaceBookie</h4>
<pre>public&nbsp;org.apache.bookkeeper.net.BookieSocketAddress&nbsp;replaceBookie(int&nbsp;ensembleSize,
int&nbsp;writeQuorumSize,
int&nbsp;ackQuorumSize,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,byte[]&gt;&nbsp;customMetadata,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;currentEnsemble,
org.apache.bookkeeper.net.BookieSocketAddress&nbsp;bookieToReplace,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;excludeBookies)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html#replaceBookie-int-int-int-java.util.Map-java.util.Collection-org.apache.bookkeeper.net.BookieSocketAddress-java.util.Set-">EnsemblePlacementPolicy</a></code></span></div>
<div class="block">Choose a new bookie to replace <i>bookieToReplace</i>. If no bookie available in the cluster,
<a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client"><code>BKException.BKNotEnoughBookiesException</code></a> is thrown.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ensembleSize</code> - the value of ensembleSize</dd>
<dd><code>writeQuorumSize</code> - the value of writeQuorumSize</dd>
<dd><code>ackQuorumSize</code> - the value of ackQuorumSize (added since 4.5)</dd>
<dd><code>customMetadata</code> - the value of customMetadata. it is the same user defined metadata that user
provides in <a href="../../../../org/apache/bookkeeper/client/BookKeeper.html#createLedger-int-int-int-org.apache.bookkeeper.client.BookKeeper.DigestType-byte:A-"><code>BookKeeper.createLedger(int, int, int, BookKeeper.DigestType, byte[])</code></a></dd>
<dd><code>currentEnsemble</code> - the value of currentEnsemble</dd>
<dd><code>bookieToReplace</code> - bookie to replace</dd>
<dd><code>excludeBookies</code> - bookies that should not be considered as candidate.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the org.apache.bookkeeper.net.BookieSocketAddress</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code></dd>
</dl>
</li>
</ul>
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<h4>updateBookieInfo</h4>
<pre>public&nbsp;void&nbsp;updateBookieInfo(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress,<a href="../../../../org/apache/bookkeeper/client/BookieInfoReader.BookieInfo.html" title="class in org.apache.bookkeeper.client">BookieInfoReader.BookieInfo</a>&gt;&nbsp;bookieInfoMap)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html#updateBookieInfo-java.util.Map-">EnsemblePlacementPolicy</a></code></span></div>
<div class="block">Send the bookie info details.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bookieInfoMap</code> - A map that has the bookie to BookieInfo</dd>
</dl>
</li>
</ul>
<a name="selectFromNetworkLocation-java.lang.String-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">
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<h4>selectFromNetworkLocation</h4>
<pre>public&nbsp;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&nbsp;selectFromNetworkLocation(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;networkLoc,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;predicate,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;ensemble)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.html#selectFromNetworkLocation-java.lang.String-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">ITopologyAwareEnsemblePlacementPolicy</a></code></span></div>
<div class="block">Select a node from a given network location.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>networkLoc</code> - network location</dd>
<dd><code>excludeBookies</code> - exclude bookies set</dd>
<dd><code>predicate</code> - predicate to apply</dd>
<dd><code>ensemble</code> - ensemble</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the selected bookie.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code></dd>
</dl>
</li>
</ul>
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<h4>getRemoteRack</h4>
<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getRemoteRack(<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&nbsp;node)</pre>
</li>
</ul>
<a name="selectRandomFromRack-java.lang.String-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">
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<h4>selectRandomFromRack</h4>
<pre>protected&nbsp;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&nbsp;selectRandomFromRack(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;netPath,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;predicate,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;ensemble)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
<div class="block">Choose random node under a given network path.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>netPath</code> - network path</dd>
<dd><code>excludeBookies</code> - exclude bookies</dd>
<dd><code>predicate</code> - predicate to check whether the target is a good target.</dd>
<dd><code>ensemble</code> - ensemble structure</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>chosen bookie.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code></dd>
</dl>
</li>
</ul>
<a name="selectRandom-int-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">
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<h4>selectRandom</h4>
<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;selectRandom(int&nbsp;numBookies,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;predicate,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;ensemble)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
<div class="block">Choose a random node from whole cluster.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>numBookies</code> - number bookies to choose</dd>
<dd><code>excludeBookies</code> - bookies set to exclude.</dd>
<dd><code>ensemble</code> - ensemble to hold the bookie chosen.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the bookie node chosen.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code></dd>
</dl>
</li>
</ul>
<a name="selectRandomInternal-java.util.List-int-java.util.Set-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Predicate-org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble-">
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<h4>selectRandomInternal</h4>
<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;selectRandomInternal(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;bookiesToSelectFrom,
int&nbsp;numBookies,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.bookkeeper.net.Node&gt;&nbsp;excludeBookies,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Predicate.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Predicate</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;predicate,
<a href="../../../../org/apache/bookkeeper/client/ITopologyAwareEnsemblePlacementPolicy.Ensemble.html" title="interface in org.apache.bookkeeper.client">ITopologyAwareEnsemblePlacementPolicy.Ensemble</a>&lt;<a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.BookieNode.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy.BookieNode</a>&gt;&nbsp;ensemble)
throws <a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/BKException.BKNotEnoughBookiesException.html" title="class in org.apache.bookkeeper.client">BKException.BKNotEnoughBookiesException</a></code></dd>
</dl>
</li>
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<h4>reorderReadSequence</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&nbsp;reorderReadSequence(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress&gt;&nbsp;ensemble,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&nbsp;writeSet,
<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;org.apache.bookkeeper.net.BookieSocketAddress,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;&nbsp;bookieFailureHistory)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html#reorderReadSequence-java.util.ArrayList-java.util.List-java.util.Map-">EnsemblePlacementPolicy</a></code></span></div>
<div class="block">Reorder the read sequence of a given write quorum <i>writeSet</i>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html#reorderReadSequence-java.util.ArrayList-java.util.List-java.util.Map-">reorderReadSequence</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/EnsemblePlacementPolicy.html" title="interface in org.apache.bookkeeper.client">EnsemblePlacementPolicy</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.html#reorderReadSequence-java.util.ArrayList-java.util.List-java.util.Map-">reorderReadSequence</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/bookkeeper/client/TopologyAwareEnsemblePlacementPolicy.html" title="class in org.apache.bookkeeper.client">TopologyAwareEnsemblePlacementPolicy</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ensemble</code> - Ensemble to read entries.</dd>
<dd><code>writeSet</code> - Write quorum to read entries.</dd>
<dd><code>bookieFailureHistory</code> - Observed failures on the bookies</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>read sequence of bookies</dd>
</dl>
</li>
</ul>
</li>
</ul>
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