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+<h2 title="Class TriggerStateMachine.OnElementContext" class="title">Class 
TriggerStateMachine.OnElementContext</h2>
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 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.OnElementContext</a></code></td>
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given trigger.</div>
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+<td class="colFirst"><code>abstract void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
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+        <a href="../../../../../../org/apache/beam/sdk/util/TimeDomain.html" 
title="enum in org.apache.beam.sdk.util">TimeDomain</a>&nbsp;domain)</code>
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+<h4>OnElementContext</h4>
+<pre>public&nbsp;OnElementContext()</pre>
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+<h4>eventTimestamp</h4>
+<pre>public abstract&nbsp;org.joda.time.Instant&nbsp;eventTimestamp()</pre>
+<div class="block">The event timestamp of the element currently being 
processed.</div>
+</li>
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+<pre>public 
abstract&nbsp;void&nbsp;setTimer(org.joda.time.Instant&nbsp;timestamp,
+                              <a 
href="../../../../../../org/apache/beam/sdk/util/TimeDomain.html" title="enum 
in org.apache.beam.sdk.util">TimeDomain</a>&nbsp;domain)</pre>
+<div class="block">Sets a timer to fire when the watermark or processing time 
is beyond the given timestamp.
+ Timers are not guaranteed to fire immediately, but will be delivered at some 
time afterwards.
+
+ <p>As with <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html#state--"><code>TriggerStateMachine.TriggerContext.state()</code></a>,
 timers are implicitly scoped to the current window. All
+ timer firings for a window will be received, but the implementation should 
choose to ignore
+ those that are not applicable.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>timestamp</code> - the time at which the trigger should be 
re-evaluated</dd>
+<dd><code>domain</code> - the domain that the <code>timestamp</code> applies 
to</dd>
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+<pre>public abstract&nbsp;<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnElementContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.OnElementContext</a>&nbsp;forTrigger(<a
 
href="../../../../../../org/apache/beam/runners/core/triggers/ExecutableTriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">ExecutableTriggerStateMachine</a>&nbsp;trigger)</pre>
+<div class="block">Create an <code>OnElementContext</code> for executing the 
given trigger.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html#forTrigger-org.apache.beam.runners.core.triggers.ExecutableTriggerStateMachine-">forTrigger</a></code>&nbsp;in
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org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a></code></dd>
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http://git-wip-us.apache.org/repos/asf/incubator-beam-site/blob/141627ec/content/learn/sdks/javadoc/0.3.0-incubating/org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html
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diff --git 
a/content/learn/sdks/javadoc/0.3.0-incubating/org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html
 
b/content/learn/sdks/javadoc/0.3.0-incubating/org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html
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b/content/learn/sdks/javadoc/0.3.0-incubating/org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html
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+<h2 title="Class TriggerStateMachine.OnMergeContext" class="title">Class 
TriggerStateMachine.OnMergeContext</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true";
 title="class or interface in java.lang">java.lang.Object</a></li>
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 title="class in 
org.apache.beam.runners.core.triggers">org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext</a></li>
+<li>
+<ul class="inheritance">
+<li>org.apache.beam.runners.core.triggers.TriggerStateMachine.OnMergeContext</li>
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org.apache.beam.runners.core.triggers">TriggerStateMachine</a></dd>
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+<pre>public abstract class <span 
class="typeNameLabel">TriggerStateMachine.OnMergeContext</span>
+extends <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a></pre>
+<div class="block">Extended <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers"><code>TriggerStateMachine.TriggerContext</code></a>
 containing information accessible to the <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#onMerge-org.apache.beam.runners.core.triggers.TriggerStateMachine.OnMergeContext-"><code>TriggerStateMachine.onMerge(org.apache.beam.runners.core.triggers.TriggerStateMachine.OnMergeContext)</code></a>
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+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html#OnMergeContext--">OnMergeContext</a></span>()</code>&nbsp;</td>
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+<td class="colFirst"><code>abstract <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.OnMergeContext</a></code></td>
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href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html#forTrigger-org.apache.beam.runners.core.triggers.ExecutableTriggerStateMachine-">forTrigger</a></span>(<a
 
href="../../../../../../org/apache/beam/runners/core/triggers/ExecutableTriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">ExecutableTriggerStateMachine</a>&nbsp;trigger)</code>
+<div class="block">Create an <code>OnMergeContext</code> for executing the 
given trigger.</div>
+</td>
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+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>abstract void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html#setTimer-org.joda.time.Instant-org.apache.beam.sdk.util.TimeDomain-">setTimer</a></span>(org.joda.time.Instant&nbsp;timestamp,
+        <a href="../../../../../../org/apache/beam/sdk/util/TimeDomain.html" 
title="enum in org.apache.beam.sdk.util">TimeDomain</a>&nbsp;domain)</code>
+<div class="block">Sets a timer to fire when the watermark or processing time 
is beyond the given timestamp.</div>
+</td>
+</tr>
+<tr id="i2" class="altColor">
+<td class="colFirst"><code>abstract <a 
href="../../../../../../org/apache/beam/sdk/util/state/MergingStateAccessor.html"
 title="interface in 
org.apache.beam.sdk.util.state">MergingStateAccessor</a>&lt;?,?&gt;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html#state--">state</a></span>()</code>
+<div class="block">Returns the interface for accessing persistent state.</div>
+</td>
+</tr>
+<tr id="i3" class="rowColor">
+<td class="colFirst"><code>abstract <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.MergingTriggerInfo.html"
 title="interface in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.MergingTriggerInfo</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html#trigger--">trigger</a></span>()</code>
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 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a></h3>
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+<h4>OnMergeContext</h4>
+<pre>public&nbsp;OnMergeContext()</pre>
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+<pre>public 
abstract&nbsp;void&nbsp;setTimer(org.joda.time.Instant&nbsp;timestamp,
+                              <a 
href="../../../../../../org/apache/beam/sdk/util/TimeDomain.html" title="enum 
in org.apache.beam.sdk.util">TimeDomain</a>&nbsp;domain)</pre>
+<div class="block">Sets a timer to fire when the watermark or processing time 
is beyond the given timestamp.
+ Timers are not guaranteed to fire immediately, but will be delivered at some 
time afterwards.
+
+ <p>As with <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html#state--"><code>state()</code></a>,
 timers are implicitly scoped to the current window. All
+ timer firings for a window will be received, but the implementation should 
choose to ignore
+ those that are not applicable.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>timestamp</code> - the time at which the trigger should be 
re-evaluated</dd>
+<dd><code>domain</code> - the domain that the <code>timestamp</code> applies 
to</dd>
+</dl>
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+<pre>public abstract&nbsp;<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.OnMergeContext</a>&nbsp;forTrigger(<a
 
href="../../../../../../org/apache/beam/runners/core/triggers/ExecutableTriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">ExecutableTriggerStateMachine</a>&nbsp;trigger)</pre>
+<div class="block">Create an <code>OnMergeContext</code> for executing the 
given trigger.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html#forTrigger-org.apache.beam.runners.core.triggers.ExecutableTriggerStateMachine-">forTrigger</a></code>&nbsp;in
 class&nbsp;<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a></code></dd>
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+<h4>state</h4>
+<pre>public abstract&nbsp;<a 
href="../../../../../../org/apache/beam/sdk/util/state/MergingStateAccessor.html"
 title="interface in 
org.apache.beam.sdk.util.state">MergingStateAccessor</a>&lt;?,?&gt;&nbsp;state()</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from 
class:&nbsp;<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html#state--">TriggerStateMachine.TriggerContext</a></code></span></div>
+<div class="block">Returns the interface for accessing persistent state.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html#state--">state</a></code>&nbsp;in
 class&nbsp;<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a></code></dd>
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+<pre>public abstract&nbsp;<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.MergingTriggerInfo.html"
 title="interface in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.MergingTriggerInfo</a>&nbsp;trigger()</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from 
class:&nbsp;<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html#trigger--">TriggerStateMachine.TriggerContext</a></code></span></div>
+<div class="block">Returns the interface for accessing trigger info.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html#trigger--">trigger</a></code>&nbsp;in
 class&nbsp;<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a></code></dd>
+</dl>
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+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.beam.runners.core.triggers</div>
+<h2 title="Class TriggerStateMachine.OnceTriggerStateMachine" 
class="title">Class TriggerStateMachine.OnceTriggerStateMachine</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true";
 title="class or interface in java.lang">java.lang.Object</a></li>
+<li>
+<ul class="inheritance">
+<li><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">org.apache.beam.runners.core.triggers.TriggerStateMachine</a></li>
+<li>
+<ul class="inheritance">
+<li>org.apache.beam.runners.core.triggers.TriggerStateMachine.OnceTriggerStateMachine</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd><a 
href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true";
 title="class or interface in java.io">Serializable</a></dd>
+</dl>
+<dl>
+<dt>Direct Known Subclasses:</dt>
+<dd><a 
href="../../../../../../org/apache/beam/runners/core/triggers/AfterAllStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">AfterAllStateMachine</a>, <a 
href="../../../../../../org/apache/beam/runners/core/triggers/AfterDelayFromFirstElementStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">AfterDelayFromFirstElementStateMachine</a>,
 <a 
href="../../../../../../org/apache/beam/runners/core/triggers/AfterFirstStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">AfterFirstStateMachine</a>, <a 
href="../../../../../../org/apache/beam/runners/core/triggers/AfterPaneStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">AfterPaneStateMachine</a>, <a 
href="../../../../../../org/apache/beam/runners/core/triggers/AfterWatermarkStateMachine.FromEndOfWindow.html"
 title="class in 
org.apache.beam.runners.core.triggers">AfterWatermarkStateMachine.FromEndOfWindow</a>,
 <a href="../../../../../../org/apache/beam
 /runners/core/triggers/NeverStateMachine.html" title="class in 
org.apache.beam.runners.core.triggers">NeverStateMachine</a></dd>
+</dl>
+<dl>
+<dt>Enclosing class:</dt>
+<dd><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public abstract static class <span 
class="typeNameLabel">TriggerStateMachine.OnceTriggerStateMachine</span>
+extends <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine</a></pre>
+<div class="block"><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers"><code>TriggerStateMachine</code></a>s 
that are guaranteed to fire at most once should extend from this,
+ rather than the general <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers"><code>TriggerStateMachine</code></a> 
class to indicate that behavior.</div>
+<dl>
+<dt><span class="seeLabel">See Also:</span></dt>
+<dd><a 
href="../../../../../../serialized-form.html#org.apache.beam.runners.core.triggers.TriggerStateMachine.OnceTriggerStateMachine">Serialized
 Form</a></dd>
+</dl>
+</li>
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name="nested.classes.inherited.from.class.org.apache.beam.runners.core.triggers.TriggerStateMachine">
+<!--   -->
+</a>
+<h3>Nested classes/interfaces inherited from 
class&nbsp;org.apache.beam.runners.core.triggers.<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine</a></h3>
+<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.MergingTriggerInfo.html"
 title="interface in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.MergingTriggerInfo</a>,
 <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnceTriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.OnceTriggerStateMachine</a>,
 <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnElementContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.OnElementContext</a>,
 <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnMergeContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.OnMergeContext</a>, 
<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in org.apache.beam.runners.core.tr
 iggers">TriggerStateMachine.TriggerContext</a>, <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerInfo.html"
 title="interface in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerInfo</a></code></li>
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+</a>
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href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine</a></h3>
+<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#subTriggers">subTriggers</a></code></li>
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+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" 
summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier</th>
+<th class="colLast" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>protected </code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnceTriggerStateMachine.html#OnceTriggerStateMachine-java.util.List-">OnceTriggerStateMachine</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>&lt;<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine</a>&gt;&nbsp;subTriggers)</code>&nbsp;</td>
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+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" 
summary="Method Summary table, listing methods, and an explanation">
+<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span 
class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a 
href="javascript:show(2);">Instance Methods</a></span><span 
class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a 
href="javascript:show(4);">Abstract Methods</a></span><span 
class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a 
href="javascript:show(8);">Concrete Methods</a></span><span 
class="tabEnd">&nbsp;</span></span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnceTriggerStateMachine.html#onFire-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-">onFire</a></span>(<a
 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a>&nbsp;context)</code>
+<div class="block">Adjusts the state of the trigger to be ready for the next 
pane.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>protected abstract void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnceTriggerStateMachine.html#onOnlyFiring-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-">onOnlyFiring</a></span>(<a
 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a>&nbsp;context)</code>
+<div class="block">Called exactly once by <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnceTriggerStateMachine.html#onFire-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-"><code>onFire(org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext)</code></a>
 when the trigger is fired.</div>
+</td>
+</tr>
+</table>
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+<li class="blockList"><a 
name="methods.inherited.from.class.org.apache.beam.runners.core.triggers.TriggerStateMachine">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.beam.runners.core.triggers.<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine</a></h3>
+<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#clear-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-">clear</a>,
 <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#equals-java.lang.Object-">equals</a>,
 <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#hashCode--">hashCode</a>,
 <a 
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 <a 
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 <a hre
 
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 <a 
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 <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#sho
 
uldFire-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-">shouldFire</a>,
 <a 
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 <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#toString--">toString</a></code></li>
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+<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
+<code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--";
 title="class or interface in java.lang">clone</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--";
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href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-";
 title="class or interface in java.lang">wait</a></code></li>
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+</li>
+</ul>
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+<div class="details">
+<ul class="blockList">
+<li class="blockList">
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+<ul class="blockList">
+<li class="blockList"><a name="constructor.detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="OnceTriggerStateMachine-java.util.List-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>OnceTriggerStateMachine</h4>
+<pre>protected&nbsp;OnceTriggerStateMachine(<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>&lt;<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine</a>&gt;&nbsp;subTriggers)</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a 
name="onFire-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>onFire</h4>
+<pre>public final&nbsp;void&nbsp;onFire(<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a>&nbsp;context)
+                  throws <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true";
 title="class or interface in java.lang">Exception</a></pre>
+<div class="block">Adjusts the state of the trigger to be ready for the next 
pane. For example, a
+ <a 
href="../../../../../../org/apache/beam/runners/core/triggers/RepeatedlyStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers"><code>RepeatedlyStateMachine</code></a> 
trigger will reset its inner trigger, since it has fired.
+
+ <p>If the trigger is finished, it is the responsibility of the trigger itself 
to
+ record that fact via the <code>context</code>.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#onFire-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-">onFire</a></code>&nbsp;in
 class&nbsp;<code><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine</a></code></dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true";
 title="class or interface in java.lang">Exception</a></code></dd>
+</dl>
+</li>
+</ul>
+<a 
name="onOnlyFiring-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>onOnlyFiring</h4>
+<pre>protected abstract&nbsp;void&nbsp;onOnlyFiring(<a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.TriggerContext.html"
 title="class in 
org.apache.beam.runners.core.triggers">TriggerStateMachine.TriggerContext</a>&nbsp;context)
+                              throws <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true";
 title="class or interface in java.lang">Exception</a></pre>
+<div class="block">Called exactly once by <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnceTriggerStateMachine.html#onFire-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-"><code>onFire(org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext)</code></a>
 when the trigger is fired. By default,
+ invokes <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.OnceTriggerStateMachine.html#onFire-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-"><code>onFire(org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext)</code></a>
 on all subtriggers for which <a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.html#shouldFire-org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext-"><code>TriggerStateMachine.shouldFire(org.apache.beam.runners.core.triggers.TriggerStateMachine.TriggerContext)</code></a>
 is <code>true</code>.</div>
+<dl>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true";
 title="class or interface in java.lang">Exception</a></code></dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar.bottom">
+<!--   -->
+</a>
+<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation 
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+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
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+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a 
href="../../../../../../org/apache/beam/runners/core/triggers/TriggerStateMachine.MergingTriggerInfo.html"
 title="interface in org.apache.beam.runners.core.triggers"><span 
class="typeNameLink">Prev&nbsp;Class</span></a></li>
+<li><a 
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