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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.heron.api.bolt</a></div>
<h2 title="Class BaseStatefulWindowedBolt" class="title">Class BaseStatefulWindowedBolt&lt;K extends java.io.Serializable,&#8203;V extends java.io.Serializable&gt;</h2>
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<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">org.apache.heron.api.bolt.BaseWindowedBolt</a></li>
<li>
<ul class="inheritance">
<li>org.apache.heron.api.bolt.BaseStatefulWindowedBolt&lt;K,&#8203;V&gt;</li>
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<dd><code>java.io.Serializable</code>, <code><a href="IStatefulWindowedBolt.html" title="interface in org.apache.heron.api.bolt">IStatefulWindowedBolt</a>&lt;K,&#8203;V&gt;</code>, <code><a href="IWindowedBolt.html" title="interface in org.apache.heron.api.bolt">IWindowedBolt</a></code>, <code><a href="../topology/IComponent.html" title="interface in org.apache.heron.api.topology">IComponent</a></code>, <code><a href="../topology/IStatefulComponent.html" title="interface in org.apache.heron.api.topology">IStatefulComponent</a>&lt;K,&#8203;V&gt;</code></dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="../../integration_test/topology/windowing/stateful/StatefulWindowingTest.ConsumerBolt.html" title="class in org.apache.heron.integration_test.topology.windowing.stateful">StatefulWindowingTest.ConsumerBolt</a></code>, <code><a href="../../examples/eco/StatefulWindowSumBolt.html" title="class in org.apache.heron.examples.eco">StatefulWindowSumBolt</a></code></dd>
</dl>
<hr>
<pre>public abstract class <span class="typeNameLabel">BaseStatefulWindowedBolt&lt;K extends java.io.Serializable,&#8203;V extends java.io.Serializable&gt;</span>
extends <a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a>
implements <a href="IStatefulWindowedBolt.html" title="interface in org.apache.heron.api.bolt">IStatefulWindowedBolt</a>&lt;K,&#8203;V&gt;</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../serialized-form.html#org.apache.heron.api.bolt.BaseStatefulWindowedBolt">Serialized Form</a></dd>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.heron.api.bolt.<a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></h3>
<code><a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a></code></li>
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<h3>Fields inherited from class&nbsp;org.apache.heron.api.bolt.<a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></h3>
<code><a href="BaseWindowedBolt.html#timestampExtractor">timestampExtractor</a>, <a href="BaseWindowedBolt.html#windowConfiguration">windowConfiguration</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">BaseStatefulWindowedBolt</a></span>()</code></th>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#preSave(java.lang.String)">preSave</a></span>&#8203;(java.lang.String&nbsp;checkpointId)</code></th>
<td class="colLast">
<div class="block">This is a hook for the component to perform some actions just before the
framework saves its state.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withLag(java.time.Duration)">withLag</a></span>&#8203;(java.time.Duration&nbsp;duration)</code></th>
<td class="colLast">
<div class="block">Specify the maximum time lag of the tuple timestamp in milliseconds.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withLateTupleStream(java.lang.String)">withLateTupleStream</a></span>&#8203;(java.lang.String&nbsp;streamName)</code></th>
<td class="colLast">
<div class="block">Specify a stream id on which late tuples are going to be emitted.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withTimestampExtractor(org.apache.heron.api.windowing.TimestampExtractor)">withTimestampExtractor</a></span>&#8203;(<a href="../windowing/TimestampExtractor.html" title="interface in org.apache.heron.api.windowing">TimestampExtractor</a>&nbsp;timestampExtractor)</code></th>
<td class="colLast">
<div class="block">Specify the timestamp extractor implementation.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withTimestampField(java.lang.String)">withTimestampField</a></span>&#8203;(java.lang.String&nbsp;fieldName)</code></th>
<td class="colLast">
<div class="block">Specify a field in the tuple that represents the timestamp as a long value.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withTumblingWindow(java.time.Duration)">withTumblingWindow</a></span>&#8203;(java.time.Duration&nbsp;duration)</code></th>
<td class="colLast">
<div class="block">A time duration based tumbling window.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withTumblingWindow(org.apache.heron.api.bolt.BaseWindowedBolt.Count)">withTumblingWindow</a></span>&#8203;(<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;count)</code></th>
<td class="colLast">
<div class="block">A count based tumbling window.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withWatermarkInterval(java.time.Duration)">withWatermarkInterval</a></span>&#8203;(java.time.Duration&nbsp;interval)</code></th>
<td class="colLast">
<div class="block">Specify the watermark event generation interval.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withWindow(java.time.Duration)">withWindow</a></span>&#8203;(java.time.Duration&nbsp;windowLength)</code></th>
<td class="colLast">
<div class="block">A time duration based window that slides with every incoming tuple.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withWindow(java.time.Duration,java.time.Duration)">withWindow</a></span>&#8203;(java.time.Duration&nbsp;windowLength,
java.time.Duration&nbsp;slidingInterval)</code></th>
<td class="colLast">
<div class="block">Time duration based sliding window configuration.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withWindow(java.time.Duration,org.apache.heron.api.bolt.BaseWindowedBolt.Count)">withWindow</a></span>&#8203;(java.time.Duration&nbsp;windowLength,
<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;slidingInterval)</code></th>
<td class="colLast">
<div class="block">Time duration and count based sliding window configuration.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withWindow(org.apache.heron.api.bolt.BaseWindowedBolt.Count)">withWindow</a></span>&#8203;(<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;windowLength)</code></th>
<td class="colLast">
<div class="block">A tuple count based window that slides with every incoming tuple.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withWindow(org.apache.heron.api.bolt.BaseWindowedBolt.Count,java.time.Duration)">withWindow</a></span>&#8203;(<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;windowLength,
java.time.Duration&nbsp;slidingInterval)</code></th>
<td class="colLast">
<div class="block">Tuple count and time duration based sliding window configuration.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withWindow(org.apache.heron.api.bolt.BaseWindowedBolt.Count,org.apache.heron.api.bolt.BaseWindowedBolt.Count)">withWindow</a></span>&#8203;(<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;windowLength,
<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;slidingInterval)</code></th>
<td class="colLast">
<div class="block">Tuple count based sliding window configuration.</div>
</td>
</tr>
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<h3>Methods inherited from class&nbsp;org.apache.heron.api.bolt.<a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></h3>
<code><a href="BaseWindowedBolt.html#cleanup()">cleanup</a>, <a href="BaseWindowedBolt.html#declareOutputFields(org.apache.heron.api.topology.OutputFieldsDeclarer)">declareOutputFields</a>, <a href="BaseWindowedBolt.html#getComponentConfiguration()">getComponentConfiguration</a>, <a href="BaseWindowedBolt.html#getTimestampExtractor()">getTimestampExtractor</a>, <a href="BaseWindowedBolt.html#prepare(java.util.Map,org.apache.heron.api.topology.TopologyContext,org.apache.heron.api.bolt.OutputCollector)">prepare</a>, <a href="BaseWindowedBolt.html#withCustomEvictor(org.apache.heron.api.windowing.EvictionPolicy)">withCustomEvictor</a>, <a href="BaseWindowedBolt.html#withCustomTrigger(org.apache.heron.api.windowing.TriggerPolicy)">withCustomTrigger</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
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<h3>Methods inherited from interface&nbsp;org.apache.heron.api.topology.<a href="../topology/IComponent.html" title="interface in org.apache.heron.api.topology">IComponent</a></h3>
<code><a href="../topology/IComponent.html#declareOutputFields(org.apache.heron.api.topology.OutputFieldsDeclarer)">declareOutputFields</a>, <a href="../topology/IComponent.html#getComponentConfiguration()">getComponentConfiguration</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.heron.api.topology.<a href="../topology/IStatefulComponent.html" title="interface in org.apache.heron.api.topology">IStatefulComponent</a></h3>
<code><a href="../topology/IStatefulComponent.html#initState(org.apache.heron.api.state.State)">initState</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.heron.api.bolt.<a href="IWindowedBolt.html" title="interface in org.apache.heron.api.bolt">IWindowedBolt</a></h3>
<code><a href="IWindowedBolt.html#cleanup()">cleanup</a>, <a href="IWindowedBolt.html#execute(org.apache.heron.api.windowing.TupleWindow)">execute</a>, <a href="IWindowedBolt.html#getTimestampExtractor()">getTimestampExtractor</a>, <a href="IWindowedBolt.html#prepare(java.util.Map,org.apache.heron.api.topology.TopologyContext,org.apache.heron.api.bolt.OutputCollector)">prepare</a></code></li>
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<h4>BaseStatefulWindowedBolt</h4>
<pre>public&nbsp;BaseStatefulWindowedBolt()</pre>
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<h4>withWindow</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withWindow&#8203;(<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;windowLength,
<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;slidingInterval)</pre>
<div class="block">Tuple count based sliding window configuration.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withWindow(org.apache.heron.api.bolt.BaseWindowedBolt.Count,org.apache.heron.api.bolt.BaseWindowedBolt.Count)">withWindow</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<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>
</dl>
</li>
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<h4>withWindow</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withWindow&#8203;(<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;windowLength,
java.time.Duration&nbsp;slidingInterval)</pre>
<div class="block">Tuple count and time duration based sliding window configuration.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withWindow(org.apache.heron.api.bolt.BaseWindowedBolt.Count,java.time.Duration)">withWindow</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<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>
</dl>
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<h4>withWindow</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withWindow&#8203;(java.time.Duration&nbsp;windowLength,
<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;slidingInterval)</pre>
<div class="block">Time duration and count based sliding window configuration.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withWindow(java.time.Duration,org.apache.heron.api.bolt.BaseWindowedBolt.Count)">withWindow</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<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>
</dl>
</li>
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<h4>withWindow</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withWindow&#8203;(java.time.Duration&nbsp;windowLength,
java.time.Duration&nbsp;slidingInterval)</pre>
<div class="block">Time duration based sliding window configuration.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withWindow(java.time.Duration,java.time.Duration)">withWindow</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<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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<h4>withWindow</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withWindow&#8203;(<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;windowLength)</pre>
<div class="block">A tuple count based window that slides with every incoming tuple.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withWindow(org.apache.heron.api.bolt.BaseWindowedBolt.Count)">withWindow</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<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 class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withWindow&#8203;(java.time.Duration&nbsp;windowLength)</pre>
<div class="block">A time duration based window that slides with every incoming tuple.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withWindow(java.time.Duration)">withWindow</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>windowLength</code> - the time duration of the window</dd>
</dl>
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<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withTumblingWindow&#8203;(<a href="BaseWindowedBolt.Count.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt.Count</a>&nbsp;count)</pre>
<div class="block">A count based tumbling window.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withTumblingWindow(org.apache.heron.api.bolt.BaseWindowedBolt.Count)">withTumblingWindow</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>count</code> - the number of tuples after which the window tumbles</dd>
</dl>
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<h4>withTumblingWindow</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withTumblingWindow&#8203;(java.time.Duration&nbsp;duration)</pre>
<div class="block">A time duration based tumbling window.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withTumblingWindow(java.time.Duration)">withTumblingWindow</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>duration</code> - the time duration after which the window tumbles</dd>
</dl>
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<h4>withTimestampField</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withTimestampField&#8203;(java.lang.String&nbsp;fieldName)</pre>
<div class="block">Specify a field in the tuple that represents the timestamp as a long value. The timestamp
should also be in milliseconds. If this field is not present in the
incoming tuple, an <code>IllegalArgumentException</code> will be thrown.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withTimestampField(java.lang.String)">withTimestampField</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fieldName</code> - the name of the field that contains the timestamp</dd>
</dl>
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<h4>withTimestampExtractor</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withTimestampExtractor&#8203;(<a href="../windowing/TimestampExtractor.html" title="interface in org.apache.heron.api.windowing">TimestampExtractor</a>&nbsp;timestampExtractor)</pre>
<div class="block">Specify the timestamp extractor implementation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withTimestampExtractor(org.apache.heron.api.windowing.TimestampExtractor)">withTimestampExtractor</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>timestampExtractor</code> - the <a href="../windowing/TimestampExtractor.html" title="interface in org.apache.heron.api.windowing"><code>TimestampExtractor</code></a> implementation</dd>
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<h4>withLateTupleStream</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withLateTupleStream&#8203;(java.lang.String&nbsp;streamName)</pre>
<div class="block">Specify a stream id on which late tuples are going to be emitted. They are going to be
accessible via the
<a href="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="BaseWindowedBolt.html#withTimestampField(java.lang.String)"><code>BaseWindowedBolt.withTimestampField(java.lang.String)</code></a>, otherwise <code>IllegalArgumentException</code> will
be thrown.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withLateTupleStream(java.lang.String)">withLateTupleStream</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>streamName</code> - the name of the stream used to emit late tuples on</dd>
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<h4>withLag</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withLag&#8203;(java.time.Duration&nbsp;duration)</pre>
<div class="block">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.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withLag(java.time.Duration)">withLag</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>duration</code> - the max lag duration</dd>
</dl>
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<h4>withWatermarkInterval</h4>
<pre class="methodSignature">public&nbsp;<a href="BaseStatefulWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseStatefulWindowedBolt</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a>,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a>&gt;&nbsp;withWatermarkInterval&#8203;(java.time.Duration&nbsp;interval)</pre>
<div class="block">Specify the watermark event generation interval. For tuple based timestamps, watermark events
are used to track the progress of time</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseWindowedBolt.html#withWatermarkInterval(java.time.Duration)">withWatermarkInterval</a></code>&nbsp;in class&nbsp;<code><a href="BaseWindowedBolt.html" title="class in org.apache.heron.api.bolt">BaseWindowedBolt</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>interval</code> - the interval at which watermark events are generated</dd>
</dl>
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<pre class="methodSignature">public&nbsp;void&nbsp;preSave&#8203;(java.lang.String&nbsp;checkpointId)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../topology/IStatefulComponent.html#preSave(java.lang.String)">IStatefulComponent</a></code></span></div>
<div class="block">This is a hook for the component to perform some actions just before the
framework saves its state.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../topology/IStatefulComponent.html#preSave(java.lang.String)">preSave</a></code>&nbsp;in interface&nbsp;<code><a href="../topology/IStatefulComponent.html" title="interface in org.apache.heron.api.topology">IStatefulComponent</a>&lt;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">K</a> extends java.io.Serializable,&#8203;<a href="BaseStatefulWindowedBolt.html" title="type parameter in BaseStatefulWindowedBolt">V</a> extends java.io.Serializable&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>checkpointId</code> - the ID of the checkpoint</dd>
</dl>
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