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| <div class="subTitle">org.apache.storm.trident.windowing</div> |
| <h2 title="Class AbstractTridentWindowManager" class="title">Class AbstractTridentWindowManager<T></h2> |
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| <ul class="inheritance"> |
| <li>org.apache.storm.trident.windowing.AbstractTridentWindowManager<T></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> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <span class="typeNameLabel">AbstractTridentWindowManager<T></span> |
| extends <a href="http://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="../../../../../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> |
| </li> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <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> </td> |
| </tr> |
| <tr class="rowColor"> |
| <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> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><org.apache.storm.trident.windowing.AbstractTridentWindowManager.TriggerResult></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#pendingTriggers">pendingTriggers</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/7/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> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../org/apache/storm/windowing/WindowManager.html" title="class in org.apache.storm.windowing">WindowManager</a><<a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#windowManager">windowManager</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <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> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="http://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="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html#windowTaskId">windowTaskId</a></span></code> </td> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <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> windowConfig, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> windowTaskId, |
| <a href="../../../../../org/apache/storm/trident/windowing/WindowsStore.html" title="interface in org.apache.storm.trident.windowing">WindowsStore</a> windowStore, |
| <a href="../../../../../org/apache/storm/trident/operation/Aggregator.html" title="interface in org.apache.storm.trident.operation">Aggregator</a> aggregator, |
| <a href="../../../../../org/apache/storm/coordination/BatchOutputCollector.html" title="class in org.apache.storm.coordination">BatchOutputCollector</a> delegateCollector)</code> </td> |
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| <h3>Method Summary</h3> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><org.apache.storm.trident.windowing.AbstractTridentWindowManager.TriggerResult></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> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/storm/trident/tuple/TridentTuple.html" title="interface in org.apache.storm.trident.tuple">TridentTuple</a>></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="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>> tupleEvents)</code> |
| <div class="block">Return <code>TridentTuple</code>s from given <code>tupleEvents</code>.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <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> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <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="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>> expiredEvents)</code> |
| <div class="block">Handle expired tuple events which can be removing from cache or store.</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/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>’s prepare method.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <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>’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>public AbstractTridentWindowManager(<a href="../../../../../org/apache/storm/trident/windowing/config/WindowConfig.html" title="interface in org.apache.storm.trident.windowing.config">WindowConfig</a> windowConfig, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> windowTaskId, |
| <a href="../../../../../org/apache/storm/trident/windowing/WindowsStore.html" title="interface in org.apache.storm.trident.windowing">WindowsStore</a> windowStore, |
| <a href="../../../../../org/apache/storm/trident/operation/Aggregator.html" title="interface in org.apache.storm.trident.operation">Aggregator</a> aggregator, |
| <a href="../../../../../org/apache/storm/coordination/BatchOutputCollector.html" title="class in org.apache.storm.coordination">BatchOutputCollector</a> delegateCollector)</pre> |
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| <pre>public void prepare()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <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>’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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#prepare--">prepare</a></code> in interface <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>initialize</h4> |
| <pre>protected abstract void initialize()</pre> |
| <div class="block"><p>Load and initialize any resources into window manager before windowing for component/task is activated.</p></div> |
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| <h4>onTuplesExpired</h4> |
| <pre>protected abstract void onTuplesExpired(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>> expiredEvents)</pre> |
| <div class="block"><p>Handle expired tuple events which can be removing from cache or store.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expiredEvents</code> - </dd> |
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| <h4>getTridentTuples</h4> |
| <pre>protected abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/storm/trident/tuple/TridentTuple.html" title="interface in org.apache.storm.trident.tuple">TridentTuple</a>> getTridentTuples(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/storm/trident/windowing/AbstractTridentWindowManager.html" title="type parameter in AbstractTridentWindowManager">T</a>> tupleEvents)</pre> |
| <div class="block"><p>Return <code>TridentTuple</code>s from given <code>tupleEvents</code>.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tupleEvents</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
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| <h4>getPendingTriggers</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><org.apache.storm.trident.windowing.AbstractTridentWindowManager.TriggerResult> getPendingTriggers()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#getPendingTriggers--">getPendingTriggers</a></code> in interface <code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html" title="interface in org.apache.storm.trident.windowing">ITridentWindowManager</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
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| <a name="shutdown--"> |
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| <h4>shutdown</h4> |
| <pre>public void shutdown()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <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>’s cleanup method. So, any cleanup operations like clearing cache or close store connection etc can be done.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/trident/windowing/ITridentWindowManager.html#shutdown--">shutdown</a></code> in interface <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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