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<div class="subTitle">org.apache.storm.topology.base</div>
<h2 title="Class BaseWindowedBolt" class="title">Class BaseWindowedBolt</h2>
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<li>org.apache.storm.topology.base.BaseWindowedBolt</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../../org/apache/storm/topology/IComponent.html" title="interface in org.apache.storm.topology">IComponent</a>, <a href="../../../../../org/apache/storm/topology/IWindowedBolt.html" title="interface in org.apache.storm.topology">IWindowedBolt</a></dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/storm/topology/base/BaseStatefulWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseStatefulWindowedBolt</a>, <a href="../../../../../org/apache/storm/bolt/JoinBolt.html" title="class in org.apache.storm.bolt">JoinBolt</a>, <a href="../../../../../org/apache/storm/starter/bolt/SlidingWindowSumBolt.html" title="class in org.apache.storm.starter.bolt">SlidingWindowSumBolt</a>, <a href="../../../../../org/apache/storm/flux/examples/TestWindowBolt.html" title="class in org.apache.storm.flux.examples">TestWindowBolt</a>, <a href="../../../../../org/apache/storm/st/topology/window/TimeDataVerificationBolt.html" title="class in org.apache.storm.st.topology.window">TimeDataVerificationBolt</a>, <a href="../../../../../org/apache/storm/st/topology/window/VerificationBolt.html" title="class in org.apache.storm.st.topology.window">VerificationBolt</a></dd>
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<pre>public abstract class <span class="typeNameLabel">BaseWindowedBolt</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/topology/IWindowedBolt.html" title="interface in org.apache.storm.topology">IWindowedBolt</a></pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../serialized-form.html#org.apache.storm.topology.base.BaseWindowedBolt">Serialized Form</a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a></span></code>
<div class="block">Holds a count value for count based windows and sliding intervals.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a></span></code>
<div class="block">Holds a Time duration for time based windows and sliding intervals.</div>
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<td class="colFirst"><code>protected <a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing">TimestampExtractor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#timestampExtractor">timestampExtractor</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="https://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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#windowConfiguration">windowConfiguration</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#BaseWindowedBolt--">BaseWindowedBolt</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#cleanup--">cleanup</a></span>()</code>&nbsp;</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">declareOutputFields</a></span>(<a href="../../../../../org/apache/storm/topology/OutputFieldsDeclarer.html" title="interface in org.apache.storm.topology">OutputFieldsDeclarer</a>&nbsp;declarer)</code>
<div class="block">Declare the output schema for all the streams of this topology.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#getComponentConfiguration--">getComponentConfiguration</a></span>()</code>
<div class="block">Declare configuration specific to this component.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing">TimestampExtractor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#getTimestampExtractor--">getTimestampExtractor</a></span>()</code>
<div class="block">Return a <a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing"><code>TimestampExtractor</code></a> for extracting timestamps from a tuple for event time based processing, or null for processing time.</div>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-">prepare</a></span>(<a href="https://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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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>&gt;&nbsp;topoConf,
<a href="../../../../../org/apache/storm/task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a>&nbsp;context,
<a href="../../../../../org/apache/storm/task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a>&nbsp;collector)</code>
<div class="block">This is similar to the <a href="../../../../../org/apache/storm/task/IBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-"><code>IBolt.prepare(Map, TopologyContext, OutputCollector)</code></a> except that while emitting, the tuples are automatically anchored to the tuples in the inputWindow.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withLag-org.apache.storm.topology.base.BaseWindowedBolt.Duration-">withLag</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;duration)</code>
<div class="block">Specify the maximum time lag of the tuple timestamp in milliseconds.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withLateTupleStream-java.lang.String-">withLateTupleStream</a></span>(<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;streamId)</code>
<div class="block">Specify a stream id on which late tuples are going to be emitted.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withTimestampExtractor-org.apache.storm.windowing.TimestampExtractor-">withTimestampExtractor</a></span>(<a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing">TimestampExtractor</a>&nbsp;timestampExtractor)</code>
<div class="block">Specify the timestamp extractor implementation.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withTimestampField-java.lang.String-">withTimestampField</a></span>(<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;fieldName)</code>
<div class="block">Specify a field in the tuple that represents the timestamp as a long value.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withTumblingWindow-org.apache.storm.topology.base.BaseWindowedBolt.Count-">withTumblingWindow</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;count)</code>
<div class="block">A count based tumbling window.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withTumblingWindow-org.apache.storm.topology.base.BaseWindowedBolt.Duration-">withTumblingWindow</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;duration)</code>
<div class="block">A time duration based tumbling window.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withWatermarkInterval-org.apache.storm.topology.base.BaseWindowedBolt.Duration-">withWatermarkInterval</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;interval)</code>
<div class="block">Specify the watermark event generation interval.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withWindow-org.apache.storm.topology.base.BaseWindowedBolt.Count-">withWindow</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;windowLength)</code>
<div class="block">A tuple count based window that slides with every incoming tuple.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withWindow-org.apache.storm.topology.base.BaseWindowedBolt.Count-org.apache.storm.topology.base.BaseWindowedBolt.Count-">withWindow</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;windowLength,
<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;slidingInterval)</code>
<div class="block">Tuple count based sliding window configuration.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withWindow-org.apache.storm.topology.base.BaseWindowedBolt.Count-org.apache.storm.topology.base.BaseWindowedBolt.Duration-">withWindow</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;windowLength,
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<div class="block">Tuple count and time duration based sliding window configuration.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withWindow-org.apache.storm.topology.base.BaseWindowedBolt.Duration-">withWindow</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;windowLength)</code>
<div class="block">A time duration based window that slides with every incoming tuple.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withWindow-org.apache.storm.topology.base.BaseWindowedBolt.Duration-org.apache.storm.topology.base.BaseWindowedBolt.Count-">withWindow</a></span>(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;windowLength,
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<div class="block">Time duration and count based sliding window configuration.</div>
</td>
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<div class="block">Time duration based sliding window configuration.</div>
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<code><a href="https://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="https://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="https://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="https://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="https://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="https://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="https://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="https://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="https://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="https://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="https://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>
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<code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html#execute-org.apache.storm.windowing.TupleWindow-">execute</a></code></li>
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<pre>protected final transient&nbsp;<a href="https://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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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>&gt; windowConfiguration</pre>
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<pre>protected&nbsp;<a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing">TimestampExtractor</a> timestampExtractor</pre>
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<pre>protected&nbsp;BaseWindowedBolt()</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withWindow(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;windowLength,
<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;slidingInterval)</pre>
<div class="block"><p>Tuple count based sliding window configuration.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowLength</code> - the number of tuples in the window</dd>
<dd><code>slidingInterval</code> - the number of tuples after which the window slides</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withWindow(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;windowLength,
<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;slidingInterval)</pre>
<div class="block"><p>Tuple count and time duration based sliding window configuration.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowLength</code> - the number of tuples in the window</dd>
<dd><code>slidingInterval</code> - the time duration after which the window slides</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withWindow(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;windowLength,
<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;slidingInterval)</pre>
<div class="block"><p>Time duration and count based sliding window configuration.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowLength</code> - the time duration of the window</dd>
<dd><code>slidingInterval</code> - the number of tuples after which the window slides</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withWindow(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;windowLength,
<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;slidingInterval)</pre>
<div class="block"><p>Time duration based sliding window configuration.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowLength</code> - the time duration of the window</dd>
<dd><code>slidingInterval</code> - the time duration after which the window slides</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withWindow(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;windowLength)</pre>
<div class="block"><p>A tuple count based window that slides with every incoming tuple.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowLength</code> - the number of tuples in the window</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withWindow(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;windowLength)</pre>
<div class="block"><p>A time duration based window that slides with every incoming tuple.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowLength</code> - the time duration of the window</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withTumblingWindow(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Count.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Count</a>&nbsp;count)</pre>
<div class="block"><p>A count based tumbling window.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>count</code> - the number of tuples after which the window tumbles</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withTumblingWindow(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;duration)</pre>
<div class="block"><p>A time duration based tumbling window.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>duration</code> - the time duration after which the window tumbles</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withTimestampField(<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;fieldName)</pre>
<div class="block"><p>Specify a field in the tuple that represents the timestamp as a long value. If this field is not present in the incoming tuple, an <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang"><code>IllegalArgumentException</code></a> will be thrown. The field MUST contain a timestamp in milliseconds</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fieldName</code> - the name of the field that contains the timestamp</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withTimestampExtractor(<a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing">TimestampExtractor</a>&nbsp;timestampExtractor)</pre>
<div class="block"><p>Specify the timestamp extractor implementation.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>timestampExtractor</code> - the <a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing"><code>TimestampExtractor</code></a> implementation</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing">TimestampExtractor</a>&nbsp;getTimestampExtractor()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html#getTimestampExtractor--">IWindowedBolt</a></code></span></div>
<div class="block"><p>Return a <a href="../../../../../org/apache/storm/windowing/TimestampExtractor.html" title="interface in org.apache.storm.windowing"><code>TimestampExtractor</code></a> for extracting timestamps from a tuple for event time based processing, or null for processing time.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html#getTimestampExtractor--">getTimestampExtractor</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html" title="interface in org.apache.storm.topology">IWindowedBolt</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the timestamp extractor</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withLateTupleStream(<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;streamId)</pre>
<div class="block"><p>Specify a stream id on which late tuples are going to be emitted. They are going to be accessible via the <a href="../../../../../org/apache/storm/topology/WindowedBoltExecutor.html#LATE_TUPLE_FIELD"><code>WindowedBoltExecutor.LATE_TUPLE_FIELD</code></a> field. It must be defined on a per-component basis, and in conjunction with the <a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html#withTimestampField-java.lang.String-"><code>withTimestampField(java.lang.String)</code></a>, otherwise <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang"><code>IllegalArgumentException</code></a> will be thrown.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>streamId</code> - the name of the stream used to emit late tuples on</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withLag(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;duration)</pre>
<div class="block"><p>Specify the maximum time lag of the tuple timestamp in milliseconds. It means that the tuple timestamps cannot be out of order by more than this amount.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>duration</code> - the max lag duration</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt</a>&nbsp;withWatermarkInterval(<a href="../../../../../org/apache/storm/topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a>&nbsp;interval)</pre>
<div class="block"><p>Specify the watermark event generation interval. For tuple based timestamps, watermark events are used to track the progress of time</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>interval</code> - the interval at which watermark events are generated</dd>
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<pre>public&nbsp;void&nbsp;prepare(<a href="https://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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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>&gt;&nbsp;topoConf,
<a href="../../../../../org/apache/storm/task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a>&nbsp;context,
<a href="../../../../../org/apache/storm/task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a>&nbsp;collector)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-">IWindowedBolt</a></code></span></div>
<div class="block"><p>This is similar to the <a href="../../../../../org/apache/storm/task/IBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-"><code>IBolt.prepare(Map, TopologyContext, OutputCollector)</code></a> except that while emitting, the tuples are automatically anchored to the tuples in the inputWindow.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-">prepare</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html" title="interface in org.apache.storm.topology">IWindowedBolt</a></code></dd>
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<pre>public&nbsp;void&nbsp;cleanup()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html#cleanup--">cleanup</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/storm/topology/IWindowedBolt.html" title="interface in org.apache.storm.topology">IWindowedBolt</a></code></dd>
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<pre>public&nbsp;void&nbsp;declareOutputFields(<a href="../../../../../org/apache/storm/topology/OutputFieldsDeclarer.html" title="interface in org.apache.storm.topology">OutputFieldsDeclarer</a>&nbsp;declarer)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/storm/topology/IComponent.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">IComponent</a></code></span></div>
<div class="block"><p>Declare the output schema for all the streams of this topology.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/storm/topology/IComponent.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">declareOutputFields</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/storm/topology/IComponent.html" title="interface in org.apache.storm.topology">IComponent</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>declarer</code> - this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream</dd>
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<pre>public&nbsp;<a href="https://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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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>&gt;&nbsp;getComponentConfiguration()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/storm/topology/IComponent.html#getComponentConfiguration--">IComponent</a></code></span></div>
<div class="block"><p>Declare configuration specific to this component. Only a subset of the &ldquo;topology.*&rdquo; configs can be overridden. The component configuration can be further overridden when constructing the topology using <a href="../../../../../org/apache/storm/topology/TopologyBuilder.html" title="class in org.apache.storm.topology"><code>TopologyBuilder</code></a></p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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