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<div class="subTitle">org.apache.storm.trident.windowing</div>
<h2 title="Class AbstractTridentWindowManager" class="title">Class AbstractTridentWindowManager&lt;T&gt;</h2>
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<li>org.apache.storm.trident.windowing.AbstractTridentWindowManager&lt;T&gt;</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html" title="interface in org.apache.storm.trident.windowing">ITridentWindowManager</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/storm/trident/windowing/InMemoryTridentWindowManager.html" title="class in org.apache.storm.trident.windowing">InMemoryTridentWindowManager</a>, <a href="../../../../../org/apache/storm/trident/windowing/StoreBasedTridentWindowManager.html" title="class in org.apache.storm.trident.windowing">StoreBasedTridentWindowManager</a></dd>
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<pre>public abstract class <span class="typeNameLabel">AbstractTridentWindowManager&lt;T&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html" title="interface in org.apache.storm.trident.windowing">ITridentWindowManager</a></pre>
<div class="block"><p>Basic functionality to manage trident tuple events using <code>WindowManager</code> and <code>WindowsStore</code> for storing tuples and triggers related information.</p></div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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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>protected <a href="../../../../../org/apache/storm/trident/operation/Aggregator.html" title="interface in org.apache.storm.trident.operation">Aggregator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#aggregator">aggregator</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../../../org/apache/storm/coordination/BatchOutputCollector.html" title="class in org.apache.storm.coordination">BatchOutputCollector</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#delegateCollector">delegateCollector</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a>&lt;org.apache.storm.trident.windowing.AbstractTridentWindowManager.TriggerResult&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#pendingTriggers">pendingTriggers</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#triggerId">triggerId</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../../../org/apache/storm/windowing/WindowManager.html" title="class in org.apache.storm.windowing">WindowManager</a>&lt;<a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#windowManager">windowManager</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../../../org/apache/storm/trident/windowing/WindowsStore.html" title="interface in org.apache.storm.trident.windowing">WindowsStore</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#windowStore">windowStore</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#windowTaskId">windowTaskId</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#AbstractTridentWindowManager-org.apache.storm.trident.windowing.config.WindowConfig-java.lang.String-org.apache.storm.trident.windowing.WindowsStore-org.apache.storm.trident.operation.Aggregator-org.apache.storm.coordination.BatchOutputCollector-">AbstractTridentWindowManager</a></span>(<a href="../../../../../org/apache/storm/trident/windowing/config/WindowConfig.html" title="interface in org.apache.storm.trident.windowing.config">WindowConfig</a>&nbsp;windowConfig,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;windowTaskId,
<a href="../../../../../org/apache/storm/trident/windowing/WindowsStore.html" title="interface in org.apache.storm.trident.windowing">WindowsStore</a>&nbsp;windowStore,
<a href="../../../../../org/apache/storm/trident/operation/Aggregator.html" title="interface in org.apache.storm.trident.operation">Aggregator</a>&nbsp;aggregator,
<a href="../../../../../org/apache/storm/coordination/BatchOutputCollector.html" title="class in org.apache.storm.coordination">BatchOutputCollector</a>&nbsp;delegateCollector)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a>&lt;org.apache.storm.trident.windowing.AbstractTridentWindowManager.TriggerResult&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#getPendingTriggers--">getPendingTriggers</a></span>()</code>
<div class="block">Returns pending triggers to be emitted.</div>
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<td class="colFirst"><code>protected abstract <a href="https://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/storm/trident/tuple/TridentTuple.html" title="interface in org.apache.storm.trident.tuple">TridentTuple</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#getTridentTuples-java.util.List-">getTridentTuples</a></span>(<a href="https://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/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>&gt;&nbsp;tupleEvents)</code>
<div class="block">Return <code>TridentTuple</code>s from given <code>tupleEvents</code>.</div>
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<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#initialize--">initialize</a></span>()</code>
<div class="block">Load and initialize any resources into window manager before windowing for component/task is activated.</div>
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<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#onTuplesExpired-java.util.List-">onTuplesExpired</a></span>(<a href="https://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/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>&gt;&nbsp;expiredEvents)</code>
<div class="block">Handle expired tuple events which can be removing from cache or store.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#prepare--">prepare</a></span>()</code>
<div class="block">This is invoked from <code>org.apache.storm.trident.planner.TridentProcessor</code>&rsquo;s prepare method.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#shutdown--">shutdown</a></span>()</code>
<div class="block">This is invoked when from <code>org.apache.storm.trident.planner.TridentProcessor</code>&rsquo;s cleanup method.</div>
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<code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#addTuplesBatch-java.lang.Object-java.util.List-">addTuplesBatch</a></code></li>
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<pre>protected final&nbsp;<a href="../../../../../org/apache/storm/windowing/WindowManager.html" title="class in org.apache.storm.windowing">WindowManager</a>&lt;<a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>&gt; windowManager</pre>
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<pre>protected final&nbsp;<a href="../../../../../org/apache/storm/trident/operation/Aggregator.html" title="interface in org.apache.storm.trident.operation">Aggregator</a> aggregator</pre>
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<pre>protected final&nbsp;<a href="../../../../../org/apache/storm/coordination/BatchOutputCollector.html" title="class in org.apache.storm.coordination">BatchOutputCollector</a> delegateCollector</pre>
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<pre>protected final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> windowTaskId</pre>
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<pre>protected final&nbsp;<a href="../../../../../org/apache/storm/trident/windowing/WindowsStore.html" title="interface in org.apache.storm.trident.windowing">WindowsStore</a> windowStore</pre>
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<pre>protected final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a>&lt;org.apache.storm.trident.windowing.AbstractTridentWindowManager.TriggerResult&gt; pendingTriggers</pre>
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<pre>public&nbsp;AbstractTridentWindowManager(<a href="../../../../../org/apache/storm/trident/windowing/config/WindowConfig.html" title="interface in org.apache.storm.trident.windowing.config">WindowConfig</a>&nbsp;windowConfig,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;windowTaskId,
<a href="../../../../../org/apache/storm/trident/windowing/WindowsStore.html" title="interface in org.apache.storm.trident.windowing">WindowsStore</a>&nbsp;windowStore,
<a href="../../../../../org/apache/storm/trident/operation/Aggregator.html" title="interface in org.apache.storm.trident.operation">Aggregator</a>&nbsp;aggregator,
<a href="../../../../../org/apache/storm/coordination/BatchOutputCollector.html" title="class in org.apache.storm.coordination">BatchOutputCollector</a>&nbsp;delegateCollector)</pre>
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<pre>public&nbsp;void&nbsp;prepare()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#prepare--">ITridentWindowManager</a></code></span></div>
<div class="block"><p>This is invoked from <code>org.apache.storm.trident.planner.TridentProcessor</code>&rsquo;s prepare method. So any initialization tasks can be done before the topology starts accepting tuples. For ex: initialize window manager with any earlier stored tuples/triggers and start WindowManager.</p></div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#prepare--">prepare</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html" title="interface in org.apache.storm.trident.windowing">ITridentWindowManager</a></code></dd>
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<pre>protected abstract&nbsp;void&nbsp;initialize()</pre>
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<pre>protected abstract&nbsp;void&nbsp;onTuplesExpired(<a href="https://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/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>&gt;&nbsp;expiredEvents)</pre>
<div class="block"><p>Handle expired tuple events which can be removing from cache or store.</p></div>
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<h4>getTridentTuples</h4>
<pre>protected abstract&nbsp;<a href="https://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/storm/trident/tuple/TridentTuple.html" title="interface in org.apache.storm.trident.tuple">TridentTuple</a>&gt;&nbsp;getTridentTuples(<a href="https://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/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>&gt;&nbsp;tupleEvents)</pre>
<div class="block"><p>Return <code>TridentTuple</code>s from given <code>tupleEvents</code>.</p></div>
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<h4>getPendingTriggers</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a>&lt;org.apache.storm.trident.windowing.AbstractTridentWindowManager.TriggerResult&gt;&nbsp;getPendingTriggers()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#getPendingTriggers--">ITridentWindowManager</a></code></span></div>
<div class="block"><p>Returns pending triggers to be emitted.</p></div>
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<dd><code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#getPendingTriggers--">getPendingTriggers</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html" title="interface in org.apache.storm.trident.windowing">ITridentWindowManager</a></code></dd>
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<h4>shutdown</h4>
<pre>public&nbsp;void&nbsp;shutdown()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#shutdown--">ITridentWindowManager</a></code></span></div>
<div class="block"><p>This is invoked when from <code>org.apache.storm.trident.planner.TridentProcessor</code>&rsquo;s cleanup method. So, any cleanup operations like clearing cache or close store connection etc can be done.</p></div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#shutdown--">shutdown</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html" title="interface in org.apache.storm.trident.windowing">ITridentWindowManager</a></code></dd>
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