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<div class="subTitle">org.apache.beam.sdk.state</div>
<h2 title="Interface Timers" class="title">Interface Timers</h2>
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<pre><a href="../../../../../org/apache/beam/sdk/annotations/Experimental.html" title="annotation in org.apache.beam.sdk.annotations">@Experimental</a>(<a href="../../../../../org/apache/beam/sdk/annotations/Experimental.html#value--">value</a>=<a href="../../../../../org/apache/beam/sdk/annotations/Experimental.Kind.html#TIMERS">TIMERS</a>)
public interface <span class="typeNameLabel">Timers</span></pre>
<div class="block">Interface for interacting with time.</div>
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<h3>Method Summary</h3>
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<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></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code><a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/state/Timers.html#currentEventTime--">currentEventTime</a></span>()</code>
<div class="block">Returns the current event time.</div>
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<td class="colFirst"><code><a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/state/Timers.html#currentProcessingTime--">currentProcessingTime</a></span>()</code>
<div class="block">Returns the current processing time.</div>
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<td class="colFirst"><code><a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/state/Timers.html#currentSynchronizedProcessingTime--">currentSynchronizedProcessingTime</a></span>()</code>
<div class="block">Returns the current synchronized processing time or <code>null</code> if unknown.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/state/Timers.html#deleteTimer-org.joda.time.Instant-org.apache.beam.sdk.state.TimeDomain-">deleteTimer</a></span>(<a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;timestamp,
<a href="../../../../../org/apache/beam/sdk/state/TimeDomain.html" title="enum in org.apache.beam.sdk.state">TimeDomain</a>&nbsp;timeDomain)</code>
<div class="block">Removes the timer set in this context for the <code>timestmap</code> and <code>timeDomain</code>.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/state/Timers.html#setTimer-org.joda.time.Instant-org.apache.beam.sdk.state.TimeDomain-">setTimer</a></span>(<a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;timestamp,
<a href="../../../../../org/apache/beam/sdk/state/TimeDomain.html" title="enum in org.apache.beam.sdk.state">TimeDomain</a>&nbsp;timeDomain)</code>
<div class="block">Sets a timer to fire when the event time watermark, the current processing time, or the
synchronized processing time watermark surpasses a given timestamp.</div>
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<h4>setTimer</h4>
<pre>void&nbsp;setTimer(<a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;timestamp,
<a href="../../../../../org/apache/beam/sdk/state/TimeDomain.html" title="enum in org.apache.beam.sdk.state">TimeDomain</a>&nbsp;timeDomain)</pre>
<div class="block">Sets a timer to fire when the event time watermark, the current processing time, or the
synchronized processing time watermark surpasses a given timestamp.
<p>See <a href="../../../../../org/apache/beam/sdk/state/TimeDomain.html" title="enum in org.apache.beam.sdk.state"><code>TimeDomain</code></a> for details on the time domains available.
<p>Timers are not guaranteed to fire immediately, but will be delivered at some time
afterwards.
<p>An implementation of <a href="../../../../../org/apache/beam/sdk/state/Timers.html" title="interface in org.apache.beam.sdk.state"><code>Timers</code></a> implicitly scopes timers that are set - they may be
scoped to a key and window, or a key, window, and trigger, etc.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>timestamp</code> - the time at which the timer should be delivered</dd>
<dd><code>timeDomain</code> - the domain that the <code>timestamp</code> applies to</dd>
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<h4>deleteTimer</h4>
<pre>void&nbsp;deleteTimer(<a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;timestamp,
<a href="../../../../../org/apache/beam/sdk/state/TimeDomain.html" title="enum in org.apache.beam.sdk.state">TimeDomain</a>&nbsp;timeDomain)</pre>
<div class="block">Removes the timer set in this context for the <code>timestmap</code> and <code>timeDomain</code>.</div>
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<h4>currentProcessingTime</h4>
<pre><a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;currentProcessingTime()</pre>
<div class="block">Returns the current processing time.</div>
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<pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a>
<a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;currentSynchronizedProcessingTime()</pre>
<div class="block">Returns the current synchronized processing time or <code>null</code> if unknown.</div>
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<pre><a href="https://static.javadoc.io/joda-time/joda-time/2.10.3/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;currentEventTime()</pre>
<div class="block">Returns the current event time.</div>
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