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<div class="subTitle">gobblin.data.management.policy</div>
<h2 title="Class NewestKSelectionPolicy" class="title">Class NewestKSelectionPolicy&lt;T extends <a href="../../../../gobblin/data/management/version/DatasetVersion.html" title="interface in gobblin.data.management.version">DatasetVersion</a>&gt;</h2>
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<li>gobblin.data.management.policy.NewestKSelectionPolicy&lt;T&gt;</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../gobblin/data/management/policy/VersionSelectionPolicy.html" title="interface in gobblin.data.management.policy">VersionSelectionPolicy</a>&lt;T&gt;</dd>
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<pre>public class <span class="typeNameLabel">NewestKSelectionPolicy&lt;T extends <a href="../../../../gobblin/data/management/version/DatasetVersion.html" title="interface in gobblin.data.management.version">DatasetVersion</a>&gt;</span>
extends <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../gobblin/data/management/policy/VersionSelectionPolicy.html" title="interface in gobblin.data.management.policy">VersionSelectionPolicy</a>&lt;T&gt;</pre>
<div class="block">Select the newest k versions of the dataset.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#MAX_VERSIONS_ALLOWED">MAX_VERSIONS_ALLOWED</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#MIN_VERSIONS_ALLOWED">MIN_VERSIONS_ALLOWED</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/7/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="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NEWEST_K_VERSIONS_NOTSELECTED_KEY">NEWEST_K_VERSIONS_NOTSELECTED_KEY</a></span></code>
<div class="block">The number of newest versions to exclude from the result.</div>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/7/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="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NEWEST_K_VERSIONS_SELECTED_KEY">NEWEST_K_VERSIONS_SELECTED_KEY</a></span></code>
<div class="block">The number of newest versions to select.</div>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#VERSIONS_SELECTED_DEFAULT">VERSIONS_SELECTED_DEFAULT</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NewestKSelectionPolicy-com.typesafe.config.Config-">NewestKSelectionPolicy</a></span>(<a href="http://typesafehub.github.io/config/latest/api/com/typesafe/config/Config.html?is-external=true" title="class or interface in com.typesafe.config">Config</a>&nbsp;config)</code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NewestKSelectionPolicy-int-boolean-">NewestKSelectionPolicy</a></span>(int&nbsp;versionsRetained,
boolean&nbsp;excludeMode)</code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NewestKSelectionPolicy-java.util.Properties-">NewestKSelectionPolicy</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;props)</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html" title="type parameter in NewestKSelectionPolicy">T</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#listSelectedVersions-java.util.List-">listSelectedVersions</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html" title="type parameter in NewestKSelectionPolicy">T</a>&gt;&nbsp;allVersions)</code>
<div class="block">Logic to decide which dataset versions will be selected.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../gobblin/data/management/version/DatasetVersion.html" title="interface in gobblin.data.management.version">DatasetVersion</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#versionClass--">versionClass</a></span>()</code>
<div class="block">Should return class of T.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Field Detail</h3>
<a name="NEWEST_K_VERSIONS_SELECTED_KEY">
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<h4>NEWEST_K_VERSIONS_SELECTED_KEY</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> NEWEST_K_VERSIONS_SELECTED_KEY</pre>
<div class="block">The number of newest versions to select. Only one of
<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NEWEST_K_VERSIONS_SELECTED_KEY"><code>NEWEST_K_VERSIONS_SELECTED_KEY</code></a> and <a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NEWEST_K_VERSIONS_NOTSELECTED_KEY"><code>NEWEST_K_VERSIONS_NOTSELECTED_KEY</code></a> can
be specified. The default is <a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NEWEST_K_VERSIONS_SELECTED_KEY"><code>NEWEST_K_VERSIONS_SELECTED_KEY</code></a> with a value of
<code>#VERSIONS_SELECTED_DEFAULT_INT</code>. Valid values are in the range
[<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#MIN_VERSIONS_ALLOWED"><code>MIN_VERSIONS_ALLOWED</code></a>, <a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#MAX_VERSIONS_ALLOWED"><code>MAX_VERSIONS_ALLOWED</code></a>].</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#gobblin.data.management.policy.NewestKSelectionPolicy.NEWEST_K_VERSIONS_SELECTED_KEY">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> NEWEST_K_VERSIONS_NOTSELECTED_KEY</pre>
<div class="block">The number of newest versions to exclude from the result. Only one of
<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NEWEST_K_VERSIONS_SELECTED_KEY"><code>NEWEST_K_VERSIONS_SELECTED_KEY</code></a> and <a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NEWEST_K_VERSIONS_NOTSELECTED_KEY"><code>NEWEST_K_VERSIONS_NOTSELECTED_KEY</code></a> can
be specified. The default is <a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#NEWEST_K_VERSIONS_SELECTED_KEY"><code>NEWEST_K_VERSIONS_SELECTED_KEY</code></a> with a value of
<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#VERSIONS_SELECTED_DEFAULT"><code>VERSIONS_SELECTED_DEFAULT</code></a>. Valid values are in the range
[<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#MIN_VERSIONS_ALLOWED"><code>MIN_VERSIONS_ALLOWED</code></a>, <a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html#MAX_VERSIONS_ALLOWED"><code>MAX_VERSIONS_ALLOWED</code></a>].</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#gobblin.data.management.policy.NewestKSelectionPolicy.NEWEST_K_VERSIONS_NOTSELECTED_KEY">Constant Field Values</a></dd>
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<h4>VERSIONS_SELECTED_DEFAULT</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> VERSIONS_SELECTED_DEFAULT</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> MAX_VERSIONS_ALLOWED</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> MIN_VERSIONS_ALLOWED</pre>
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<h4>NewestKSelectionPolicy</h4>
<pre>public&nbsp;NewestKSelectionPolicy(int&nbsp;versionsRetained,
boolean&nbsp;excludeMode)</pre>
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<pre>public&nbsp;NewestKSelectionPolicy(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;props)</pre>
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<pre>public&nbsp;NewestKSelectionPolicy(<a href="http://typesafehub.github.io/config/latest/api/com/typesafe/config/Config.html?is-external=true" title="class or interface in com.typesafe.config">Config</a>&nbsp;config)</pre>
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<h4>versionClass</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../gobblin/data/management/version/DatasetVersion.html" title="interface in gobblin.data.management.version">DatasetVersion</a>&gt;&nbsp;versionClass()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../gobblin/data/management/policy/VersionSelectionPolicy.html#versionClass--">VersionSelectionPolicy</a></code></span></div>
<div class="block">Should return class of T.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../gobblin/data/management/policy/VersionSelectionPolicy.html#versionClass--">versionClass</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../gobblin/data/management/policy/VersionSelectionPolicy.html" title="interface in gobblin.data.management.policy">VersionSelectionPolicy</a>&lt;<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html" title="type parameter in NewestKSelectionPolicy">T</a> extends <a href="../../../../gobblin/data/management/version/DatasetVersion.html" title="interface in gobblin.data.management.version">DatasetVersion</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>class of T.</dd>
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<h4>listSelectedVersions</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html" title="type parameter in NewestKSelectionPolicy">T</a>&gt;&nbsp;listSelectedVersions(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html" title="type parameter in NewestKSelectionPolicy">T</a>&gt;&nbsp;allVersions)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../gobblin/data/management/policy/VersionSelectionPolicy.html#listSelectedVersions-java.util.List-">VersionSelectionPolicy</a></code></span></div>
<div class="block">Logic to decide which dataset versions will be selected.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../gobblin/data/management/policy/VersionSelectionPolicy.html#listSelectedVersions-java.util.List-">listSelectedVersions</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../gobblin/data/management/policy/VersionSelectionPolicy.html" title="interface in gobblin.data.management.policy">VersionSelectionPolicy</a>&lt;<a href="../../../../gobblin/data/management/policy/NewestKSelectionPolicy.html" title="type parameter in NewestKSelectionPolicy">T</a> extends <a href="../../../../gobblin/data/management/version/DatasetVersion.html" title="interface in gobblin.data.management.version">DatasetVersion</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>allVersions</code> - List of all dataset versions in the file system, sorted from newest to oldest.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Collection of dataset versions that are selected.</dd>
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