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| <h2 title="Class KafkaSourceConsumerFn" class="title">Class KafkaSourceConsumerFn<T></h2> |
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| <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><java.util.Map<java.lang.String,java.lang.String>,T></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.beam.io.debezium.KafkaSourceConsumerFn<T></li> |
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| <pre>public class <span class="typeNameLabel">KafkaSourceConsumerFn<T></span> |
| extends <a href="../../../../../org/apache/beam/sdk/transforms/DoFn.html" title="class in org.apache.beam.sdk.transforms">DoFn</a><java.util.Map<java.lang.String,java.lang.String>,T></pre> |
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| |
| This is a Splittable <a href="../../../../../org/apache/beam/sdk/transforms/DoFn.html" title="class in org.apache.beam.sdk.transforms"><code>DoFn</code></a> used to process records fetched from supported Debezium |
| Connectors. |
| |
| <p>Currently it has a time limiter (see <code>OffsetTracker</code>) which, if set, it will stop |
| automatically after the specified elapsed minutes. Otherwise, it will keep running until the user |
| explicitly interrupts it. |
| |
| <p>It might be initialized either as: |
| |
| <pre>KafkaSourceConsumerFn(connectorClass, SourceRecordMapper, maxRecords, milisecondsToRun) |
| </pre> |
| |
| Or with a time limiter: |
| |
| <pre>KafkaSourceConsumerFn(connectorClass, SourceRecordMapper, minutesToRun)</pre></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.beam.io.debezium.KafkaSourceConsumerFn">Serialized Form</a></dd> |
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| <td class="colFirst"><code>static class </code></td> |
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| <td class="colFirst"><code>protected org.apache.kafka.connect.source.SourceRecord</code></td> |
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| <h4>getInitialRestriction</h4> |
| <pre><a href="../../../../../org/apache/beam/sdk/transforms/DoFn.GetInitialRestriction.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.GetInitialRestriction</a> |
| public org.apache.beam.io.debezium.KafkaSourceConsumerFn.OffsetHolder getInitialRestriction(<a href="../../../../../org/apache/beam/sdk/transforms/DoFn.Element.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.Element</a> |
| java.util.Map<java.lang.String,java.lang.String> unused) |
| throws java.io.IOException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd> |
| </dl> |
| </li> |
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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/transforms/splittabledofn/RestrictionTracker.html" title="class in org.apache.beam.sdk.transforms.splittabledofn">RestrictionTracker</a><org.apache.beam.io.debezium.KafkaSourceConsumerFn.OffsetHolder,java.util.Map<java.lang.String,java.lang.Object>> newTracker(<a href="../../../../../org/apache/beam/sdk/transforms/DoFn.Restriction.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.Restriction</a> |
| org.apache.beam.io.debezium.KafkaSourceConsumerFn.OffsetHolder restriction)</pre> |
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| <pre><a href="../../../../../org/apache/beam/sdk/transforms/DoFn.GetRestrictionCoder.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.GetRestrictionCoder</a> |
| public <a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a><org.apache.beam.io.debezium.KafkaSourceConsumerFn.OffsetHolder> getRestrictionCoder()</pre> |
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| <h4>getOneRecord</h4> |
| <pre>protected org.apache.kafka.connect.source.SourceRecord getOneRecord(java.util.Map<java.lang.String,java.lang.String> configuration)</pre> |
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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.Timestamp.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.Timestamp</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> currentElementTimestamp)</pre> |
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| <h4>newWatermarkEstimator</h4> |
| <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/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>> 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="process-java.util.Map-org.apache.beam.sdk.transforms.splittabledofn.RestrictionTracker-org.apache.beam.sdk.transforms.DoFn.OutputReceiver-"> |
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| <h4>process</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> process(<a href="../../../../../org/apache/beam/sdk/transforms/DoFn.Element.html" title="annotation in org.apache.beam.sdk.transforms">@DoFn.Element</a> |
| java.util.Map<java.lang.String,java.lang.String> element, |
| <a href="../../../../../org/apache/beam/sdk/transforms/splittabledofn/RestrictionTracker.html" title="class in org.apache.beam.sdk.transforms.splittabledofn">RestrictionTracker</a><org.apache.beam.io.debezium.KafkaSourceConsumerFn.OffsetHolder,java.util.Map<java.lang.String,java.lang.Object>> 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/io/debezium/KafkaSourceConsumerFn.html" title="type parameter in KafkaSourceConsumerFn">T</a>> receiver) |
| throws java.lang.Exception</pre> |
| <div class="block">Process the retrieved element and format it for output. Update all pending</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>element</code> - A descriptor for the configuration of the <code>SourceConnector</code> and <code>SourceTask</code> instances.</dd> |
| <dd><code>tracker</code> - Restriction Tracker</dd> |
| <dd><code>receiver</code> - Output Receiver</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><a href="../../../../../org/apache/beam/sdk/transforms/DoFn.ProcessContinuation.html" title="class in org.apache.beam.sdk.transforms"><code>DoFn.ProcessContinuation</code></a> in most cases, to |
| continue processing after 1 second. Otherwise, if we've reached a limit of elements, to |
| stop processing.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code></dd> |
| </dl> |
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| <pre>public java.lang.String getHashCode()</pre> |
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