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| <pre><a href="../../../../../org/apache/beam/sdk/annotations/Internal.html" title="annotation in org.apache.beam.sdk.annotations">@Internal</a> |
| public interface <span class="typeNameLabel">WatermarkHoldState</span> |
| extends <a href="../../../../../org/apache/beam/sdk/state/GroupingState.html" title="interface in org.apache.beam.sdk.state">GroupingState</a><<a href="https://static.javadoc.io/joda-time/joda-time/2.10.10/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>,<a href="https://static.javadoc.io/joda-time/joda-time/2.10.10/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>></pre> |
| <div class="block"><b><i>For internal use only; no backwards-compatibility guarantees.</i></b> |
| |
| <p>A <a href="../../../../../org/apache/beam/sdk/state/State.html" title="interface in org.apache.beam.sdk.state"><code>State</code></a> accepting and aggregating timestamps according to a <a href="../../../../../org/apache/beam/sdk/transforms/windowing/TimestampCombiner.html" title="enum in org.apache.beam.sdk.transforms.windowing"><code>TimestampCombiner</code></a>, |
| holding the output watermark to the resulting timestamp.</div> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/beam/sdk/transforms/windowing/TimestampCombiner.html" title="enum in org.apache.beam.sdk.transforms.windowing">TimestampCombiner</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/state/WatermarkHoldState.html#getTimestampCombiner--">getTimestampCombiner</a></span>()</code> |
| <div class="block">Return the <a href="../../../../../org/apache/beam/sdk/transforms/windowing/TimestampCombiner.html" title="enum in org.apache.beam.sdk.transforms.windowing"><code>TimestampCombiner</code></a> which will be used to determine a watermark hold time |
| given an element timestamp, and to combine watermarks from windows which are about to be |
| merged.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/beam/sdk/state/WatermarkHoldState.html" title="interface in org.apache.beam.sdk.state">WatermarkHoldState</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/state/WatermarkHoldState.html#readLater--">readLater</a></span>()</code> |
| <div class="block">Indicate that the value will be read later.</div> |
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| <code><a href="../../../../../org/apache/beam/sdk/state/GroupingState.html#add-InputT-">add</a>, <a href="../../../../../org/apache/beam/sdk/state/GroupingState.html#isEmpty--">isEmpty</a></code></li> |
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| <code><a href="../../../../../org/apache/beam/sdk/state/State.html#clear--">clear</a></code></li> |
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| <h4>getTimestampCombiner</h4> |
| <pre><a href="../../../../../org/apache/beam/sdk/transforms/windowing/TimestampCombiner.html" title="enum in org.apache.beam.sdk.transforms.windowing">TimestampCombiner</a> getTimestampCombiner()</pre> |
| <div class="block">Return the <a href="../../../../../org/apache/beam/sdk/transforms/windowing/TimestampCombiner.html" title="enum in org.apache.beam.sdk.transforms.windowing"><code>TimestampCombiner</code></a> which will be used to determine a watermark hold time |
| given an element timestamp, and to combine watermarks from windows which are about to be |
| merged.</div> |
| </li> |
| </ul> |
| <a name="readLater--"> |
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| </a> |
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| <h4>readLater</h4> |
| <pre><a href="../../../../../org/apache/beam/sdk/state/WatermarkHoldState.html" title="interface in org.apache.beam.sdk.state">WatermarkHoldState</a> readLater()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/beam/sdk/state/ReadableState.html#readLater--">ReadableState</a></code></span></div> |
| <div class="block">Indicate that the value will be read later. |
| |
| <p>This allows an implementation to start an asynchronous prefetch or to include this state in |
| the next batch of reads.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/beam/sdk/state/GroupingState.html#readLater--">readLater</a></code> in interface <code><a href="../../../../../org/apache/beam/sdk/state/GroupingState.html" title="interface in org.apache.beam.sdk.state">GroupingState</a><<a href="https://static.javadoc.io/joda-time/joda-time/2.10.10/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>,<a href="https://static.javadoc.io/joda-time/joda-time/2.10.10/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>></code></dd> |
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| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for convenient chaining</dd> |
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