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| <div class="subTitle">org.apache.beam.sdk.io.gcp.spanner.changestreams.dofn</div> |
| <h2 title="Class DetectNewPartitionsDoFn" class="title">Class DetectNewPartitionsDoFn</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html" title="class in org.apache.beam.sdk.transforms">org.apache.beam.sdk.transforms.DoFn</a><<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a>,<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a>></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.beam.sdk.io.gcp.spanner.changestreams.dofn.DetectNewPartitionsDoFn</li> |
| </ul> |
| </li> |
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| <div class="description"> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd>java.io.Serializable, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/display/HasDisplayData.html" title="interface in org.apache.beam.sdk.transforms.display">HasDisplayData</a></dd> |
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| <pre><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.UnboundedPerElement.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.UnboundedPerElement</a> |
| public class <span class="typeNameLabel">DetectNewPartitionsDoFn</span> |
| extends <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html" title="class in org.apache.beam.sdk.transforms">DoFn</a><<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a>,<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a>></pre> |
| <div class="block">A SplittableDoFn (SDF) that is responsible for scheduling partitions to be queried. This |
| component will periodically scan the partition metadata table looking for partitions in the |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.State.html#CREATED"><code>PartitionMetadata.State.CREATED</code></a>, update their state to <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.State.html#SCHEDULED"><code>PartitionMetadata.State.SCHEDULED</code></a> and output them to the next |
| stage in the pipeline.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../../../serialized-form.html#org.apache.beam.sdk.io.gcp.spanner.changestreams.dofn.DetectNewPartitionsDoFn">Serialized Form</a></dd> |
| </dl> |
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| </ul> |
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| <!-- ======== NESTED CLASS SUMMARY ======== --> |
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| <h3>Nested Class Summary</h3> |
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| <li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.beam.sdk.transforms.DoFn"> |
| <!-- --> |
| </a> |
| <h3>Nested classes/interfaces inherited from class org.apache.beam.sdk.transforms.<a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html" title="class in org.apache.beam.sdk.transforms">DoFn</a></h3> |
| <code><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.AlwaysFetched.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.AlwaysFetched</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.BoundedPerElement.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.BoundedPerElement</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.BundleFinalizer.html" title="interface in org.apache.beam.sdk.transforms">DoFn.BundleFinalizer</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Element.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.Element</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.FieldAccess.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.FieldAccess</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.FinishBundle.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.FinishBundle</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.FinishBundleContext.html" title="class in org.apache.beam.sdk.transforms">DoFn.FinishBundleContext</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.GetInitialRestriction.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.GetInitialRestriction</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.GetInitialWatermarkEstimatorState.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.GetInitialWatermarkEstimatorState</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.GetRestrictionCoder.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.GetRestrictionCoder</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.GetSize.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.GetSize</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.GetWatermarkEstimatorStateCoder.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.GetWatermarkEstimatorStateCoder</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Key.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.Key</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.MultiOutputReceiver.html" title="interface in org.apache.beam.sdk.transforms">DoFn.MultiOutputReceiver</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.NewTracker.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.NewTracker</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.NewWatermarkEstimator.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.NewWatermarkEstimator</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OnTimer.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.OnTimer</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OnTimerContext.html" title="class in org.apache.beam.sdk.transforms">DoFn.OnTimerContext</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OnTimerFamily.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.OnTimerFamily</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OnWindowExpiration.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.OnWindowExpiration</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OnWindowExpirationContext.html" title="class in org.apache.beam.sdk.transforms">DoFn.OnWindowExpirationContext</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OutputReceiver.html" title="interface in org.apache.beam.sdk.transforms">DoFn.OutputReceiver</a><<a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OutputReceiver.html" title="type parameter in DoFn.OutputReceiver">T</a>>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.ProcessContext.html" title="class in org.apache.beam.sdk.transforms">DoFn.ProcessContext</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.ProcessContinuation.html" title="class in org.apache.beam.sdk.transforms">DoFn.ProcessContinuation</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.ProcessElement.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.ProcessElement</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.RequiresStableInput.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.RequiresStableInput</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.RequiresTimeSortedInput.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.RequiresTimeSortedInput</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Restriction.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.Restriction</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Setup.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.Setup</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.SideInput.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.SideInput</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.SplitRestriction.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.SplitRestriction</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.StartBundle.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.StartBundle</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.StartBundleContext.html" title="class in org.apache.beam.sdk.transforms">DoFn.StartBundleContext</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.StateId.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.StateId</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Teardown.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.Teardown</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.TimerFamily.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.TimerFamily</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.TimerId.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.TimerId</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Timestamp.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.Timestamp</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.TruncateRestriction.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.TruncateRestriction</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.UnboundedPerElement.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.UnboundedPerElement</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.WatermarkEstimatorState.html" title="annotation in org.apache.beam.sdk.transforms">DoFn.WatermarkEstimatorState</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.WindowedContext.html" title="class in org.apache.beam.sdk.transforms">DoFn.WindowedContext</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <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"> </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/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html#DetectNewPartitionsDoFn-org.apache.beam.sdk.io.gcp.spanner.changestreams.dao.DaoFactory-org.apache.beam.sdk.io.gcp.spanner.changestreams.mapper.MapperFactory-org.apache.beam.sdk.io.gcp.spanner.changestreams.action.ActionFactory-org.apache.beam.sdk.io.gcp.spanner.changestreams.ChangeStreamMetrics-">DetectNewPartitionsDoFn</a></span>(<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dao/DaoFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.dao">DaoFactory</a> daoFactory, |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/mapper/MapperFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.mapper">MapperFactory</a> mapperFactory, |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/action/ActionFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.action">ActionFactory</a> actionFactory, |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/ChangeStreamMetrics.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams">ChangeStreamMetrics</a> metrics)</code> |
| <div class="block">This class needs a <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dao/DaoFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.dao"><code>DaoFactory</code></a> to build DAOs to access the partition metadata tables.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <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"> </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> |
| </tr> |
| <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/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html#getInitialWatermarkEstimatorState-org.apache.beam.sdk.io.gcp.spanner.changestreams.model.PartitionMetadata-">getInitialWatermarkEstimatorState</a></span>(<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a> partition)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRange.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction">TimestampRange</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html#initialRestriction-org.apache.beam.sdk.io.gcp.spanner.changestreams.model.PartitionMetadata-">initialRestriction</a></span>(<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a> partition)</code> |
| <div class="block">Uses an <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRange.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction"><code>TimestampRange</code></a> with a max range.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../../org/apache/beam/sdk/transforms/splittabledofn/ManualWatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">ManualWatermarkEstimator</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></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html#newWatermarkEstimator-org.joda.time.Instant-">newWatermarkEstimator</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> watermarkEstimatorState)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.ProcessContinuation.html" title="class in org.apache.beam.sdk.transforms">DoFn.ProcessContinuation</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html#processElement-org.apache.beam.sdk.transforms.splittabledofn.RestrictionTracker-org.apache.beam.sdk.transforms.DoFn.OutputReceiver-org.apache.beam.sdk.transforms.splittabledofn.ManualWatermarkEstimator-">processElement</a></span>(<a href="../../../../../../../../../org/apache/beam/sdk/transforms/splittabledofn/RestrictionTracker.html" title="class in org.apache.beam.sdk.transforms.splittabledofn">RestrictionTracker</a><<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRange.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction">TimestampRange</a>,com.google.cloud.Timestamp> tracker, |
| <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OutputReceiver.html" title="interface in org.apache.beam.sdk.transforms">DoFn.OutputReceiver</a><<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a>> receiver, |
| <a href="../../../../../../../../../org/apache/beam/sdk/transforms/splittabledofn/ManualWatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">ManualWatermarkEstimator</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>> watermarkEstimator)</code> |
| <div class="block">Main processing function for the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.dofn"><code>DetectNewPartitionsDoFn</code></a> function.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/DetectNewPartitionsRangeTracker.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction">DetectNewPartitionsRangeTracker</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html#restrictionTracker-org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction.TimestampRange-">restrictionTracker</a></span>(<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRange.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction">TimestampRange</a> restriction)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html#setup--">setup</a></span>()</code> |
| <div class="block">Obtains the instance of <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/action/DetectNewPartitionsAction.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.action"><code>DetectNewPartitionsAction</code></a>.</div> |
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| <h3>Methods inherited from class org.apache.beam.sdk.transforms.<a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html" title="class in org.apache.beam.sdk.transforms">DoFn</a></h3> |
| <code><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html#getAllowedTimestampSkew--">getAllowedTimestampSkew</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html#getInputTypeDescriptor--">getInputTypeDescriptor</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html#getOutputTypeDescriptor--">getOutputTypeDescriptor</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html#populateDisplayData-org.apache.beam.sdk.transforms.display.DisplayData.Builder-">populateDisplayData</a>, <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.html#prepareForProcessing--">prepareForProcessing</a></code></li> |
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| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
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| <h3>Constructor Detail</h3> |
| <a name="DetectNewPartitionsDoFn-org.apache.beam.sdk.io.gcp.spanner.changestreams.dao.DaoFactory-org.apache.beam.sdk.io.gcp.spanner.changestreams.mapper.MapperFactory-org.apache.beam.sdk.io.gcp.spanner.changestreams.action.ActionFactory-org.apache.beam.sdk.io.gcp.spanner.changestreams.ChangeStreamMetrics-"> |
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| <h4>DetectNewPartitionsDoFn</h4> |
| <pre>public DetectNewPartitionsDoFn(<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dao/DaoFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.dao">DaoFactory</a> daoFactory, |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/mapper/MapperFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.mapper">MapperFactory</a> mapperFactory, |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/action/ActionFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.action">ActionFactory</a> actionFactory, |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/ChangeStreamMetrics.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams">ChangeStreamMetrics</a> metrics)</pre> |
| <div class="block">This class needs a <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dao/DaoFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.dao"><code>DaoFactory</code></a> to build DAOs to access the partition metadata tables. It |
| uses mappers to transform database rows into the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model"><code>PartitionMetadata</code></a> model. It builds the |
| delegating action class using the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/action/ActionFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.action"><code>ActionFactory</code></a>. It emits metrics for the partitions |
| read using the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/ChangeStreamMetrics.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams"><code>ChangeStreamMetrics</code></a>. It re-schedules the process element function to be |
| executed according to the default resume interval as in <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html#DEFAULT_RESUME_DURATION"><code>DEFAULT_RESUME_DURATION</code></a> (best effort).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>daoFactory</code> - the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dao/DaoFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.dao"><code>DaoFactory</code></a> to construct <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dao/PartitionMetadataDao.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.dao"><code>PartitionMetadataDao</code></a>s</dd> |
| <dd><code>mapperFactory</code> - the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/mapper/MapperFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.mapper"><code>MapperFactory</code></a> to construct <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/mapper/PartitionMetadataMapper.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.mapper"><code>PartitionMetadataMapper</code></a>s</dd> |
| <dd><code>actionFactory</code> - the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/action/ActionFactory.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.action"><code>ActionFactory</code></a> to construct actions</dd> |
| <dd><code>metrics</code> - the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/ChangeStreamMetrics.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams"><code>ChangeStreamMetrics</code></a> to emit partition related metrics</dd> |
| </dl> |
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| <h3>Method Detail</h3> |
| <a name="getInitialWatermarkEstimatorState-org.apache.beam.sdk.io.gcp.spanner.changestreams.model.PartitionMetadata-"> |
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| <h4>getInitialWatermarkEstimatorState</h4> |
| <pre><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.GetInitialWatermarkEstimatorState.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.GetInitialWatermarkEstimatorState</a> |
| 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> getInitialWatermarkEstimatorState(<a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Element.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.Element</a> |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a> partition)</pre> |
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| <pre><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.NewWatermarkEstimator.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.NewWatermarkEstimator</a> |
| public <a href="../../../../../../../../../org/apache/beam/sdk/transforms/splittabledofn/ManualWatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">ManualWatermarkEstimator</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>> newWatermarkEstimator(<a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.WatermarkEstimatorState.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.WatermarkEstimatorState</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> watermarkEstimatorState)</pre> |
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| <a name="initialRestriction-org.apache.beam.sdk.io.gcp.spanner.changestreams.model.PartitionMetadata-"> |
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| <h4>initialRestriction</h4> |
| <pre><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.GetInitialRestriction.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.GetInitialRestriction</a> |
| public <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRange.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction">TimestampRange</a> initialRestriction(<a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Element.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.Element</a> |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a> partition)</pre> |
| <div class="block">Uses an <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRange.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction"><code>TimestampRange</code></a> with a max range. This is because it does not know beforehand |
| how many partitions it will schedule.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the timestamp range for the component</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="restrictionTracker-org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction.TimestampRange-"> |
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| <pre><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.NewTracker.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.NewTracker</a> |
| public <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/DetectNewPartitionsRangeTracker.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction">DetectNewPartitionsRangeTracker</a> restrictionTracker(<a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Restriction.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.Restriction</a> |
| <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRange.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction">TimestampRange</a> restriction)</pre> |
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| <h4>setup</h4> |
| <pre><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.Setup.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.Setup</a> |
| public void setup()</pre> |
| <div class="block">Obtains the instance of <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/action/DetectNewPartitionsAction.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.action"><code>DetectNewPartitionsAction</code></a>.</div> |
| </li> |
| </ul> |
| <a name="processElement-org.apache.beam.sdk.transforms.splittabledofn.RestrictionTracker-org.apache.beam.sdk.transforms.DoFn.OutputReceiver-org.apache.beam.sdk.transforms.splittabledofn.ManualWatermarkEstimator-"> |
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| <h4>processElement</h4> |
| <pre><a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.ProcessElement.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.ProcessElement</a> |
| public <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.ProcessContinuation.html" title="class in org.apache.beam.sdk.transforms">DoFn.ProcessContinuation</a> processElement(<a href="../../../../../../../../../org/apache/beam/sdk/transforms/splittabledofn/RestrictionTracker.html" title="class in org.apache.beam.sdk.transforms.splittabledofn">RestrictionTracker</a><<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRange.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction">TimestampRange</a>,com.google.cloud.Timestamp> tracker, |
| <a href="../../../../../../../../../org/apache/beam/sdk/transforms/DoFn.OutputReceiver.html" title="interface in org.apache.beam.sdk.transforms">DoFn.OutputReceiver</a><<a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/model/PartitionMetadata.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.model">PartitionMetadata</a>> receiver, |
| <a href="../../../../../../../../../org/apache/beam/sdk/transforms/splittabledofn/ManualWatermarkEstimator.html" title="interface in org.apache.beam.sdk.transforms.splittabledofn">ManualWatermarkEstimator</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>> watermarkEstimator)</pre> |
| <div class="block">Main processing function for the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.dofn"><code>DetectNewPartitionsDoFn</code></a> function. It will delegate to |
| the <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/spanner/changestreams/action/DetectNewPartitionsAction.html" title="class in org.apache.beam.sdk.io.gcp.spanner.changestreams.action"><code>DetectNewPartitionsAction</code></a> class.</div> |
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