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| <div class="subTitle">org.apache.beam.sdk.transforms.splittabledofn</div> |
| <h2 title="Class WatermarkEstimators.MonotonicallyIncreasing" class="title">Class WatermarkEstimators.MonotonicallyIncreasing</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.beam.sdk.transforms.splittabledofn.WatermarkEstimators.MonotonicallyIncreasing</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/TimestampObservingWatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">TimestampObservingWatermarkEstimator</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="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">WatermarkEstimator</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>></dd> |
| </dl> |
| <dl> |
| <dt>Enclosing class:</dt> |
| <dd><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimators.html" title="class in org.apache.beam.sdk.transforms.splittabledofn">WatermarkEstimators</a></dd> |
| </dl> |
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| <br> |
| <pre>public static class <span class="typeNameLabel">WatermarkEstimators.MonotonicallyIncreasing</span> |
| extends java.lang.Object |
| implements <a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/TimestampObservingWatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">TimestampObservingWatermarkEstimator</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">A watermark estimator that observes timestamps of records output from a DoFn reporting the |
| timestamp of the last element seen as the current watermark. |
| |
| <p>Note that this watermark estimator expects output timestamps in monotonically increasing |
| order. If they are not, then the watermark will advance based upon the last observed timestamp |
| as long as it is greater then any previously reported watermark.</div> |
| </li> |
| </ul> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <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/sdk/transforms/splittabledofn/WatermarkEstimators.MonotonicallyIncreasing.html#MonotonicallyIncreasing-org.joda.time.Instant-">MonotonicallyIncreasing</a></span>(<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> watermark)</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><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></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimators.MonotonicallyIncreasing.html#currentWatermark--">currentWatermark</a></span>()</code> |
| <div class="block">Return estimated output watermark.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><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></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimators.MonotonicallyIncreasing.html#getState--">getState</a></span>()</code> |
| <div class="block">Get current state of the <a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn"><code>WatermarkEstimator</code></a> instance, which can be used to recreate the |
| <a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn"><code>WatermarkEstimator</code></a> when processing the restriction.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimators.MonotonicallyIncreasing.html#observeTimestamp-org.joda.time.Instant-">observeTimestamp</a></span>(<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> timestamp)</code> |
| <div class="block">Update watermark estimate with latest output timestamp.</div> |
| </td> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
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| <h3>Constructor Detail</h3> |
| <a name="MonotonicallyIncreasing-org.joda.time.Instant-"> |
| <!-- --> |
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| <ul class="blockListLast"> |
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| <h4>MonotonicallyIncreasing</h4> |
| <pre>public MonotonicallyIncreasing(<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> watermark)</pre> |
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| <a name="observeTimestamp-org.joda.time.Instant-"> |
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| <h4>observeTimestamp</h4> |
| <pre>public void observeTimestamp(<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> timestamp)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/TimestampObservingWatermarkEstimator.html#observeTimestamp-org.joda.time.Instant-">TimestampObservingWatermarkEstimator</a></code></span></div> |
| <div class="block">Update watermark estimate with latest output timestamp. This is called with the timestamp of |
| every element output from the DoFn.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/TimestampObservingWatermarkEstimator.html#observeTimestamp-org.joda.time.Instant-">observeTimestamp</a></code> in interface <code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/TimestampObservingWatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">TimestampObservingWatermarkEstimator</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> |
| </dl> |
| </li> |
| </ul> |
| <a name="currentWatermark--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>currentWatermark</h4> |
| <pre>public <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> currentWatermark()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html#currentWatermark--">WatermarkEstimator</a></code></span></div> |
| <div class="block">Return estimated output watermark. This method must return monotonically increasing watermarks |
| across instances that are constructed from prior state.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html#currentWatermark--">currentWatermark</a></code> in interface <code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">WatermarkEstimator</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> |
| </dl> |
| </li> |
| </ul> |
| <a name="getState--"> |
| <!-- --> |
| </a> |
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| <h4>getState</h4> |
| <pre>public <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> getState()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html#getState--">WatermarkEstimator</a></code></span></div> |
| <div class="block">Get current state of the <a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn"><code>WatermarkEstimator</code></a> instance, which can be used to recreate the |
| <a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn"><code>WatermarkEstimator</code></a> when processing the restriction. See <code>DoFn.NewWatermarkEstimator</code> for additional details. |
| |
| <p>The internal state of the estimator must not be mutated by this method. |
| |
| <p>The state returned must not be mutated.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html#getState--">getState</a></code> in interface <code><a href="../../../../../../org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">WatermarkEstimator</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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