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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.iceberg.flink.source</a></div> |
| <h2 title="Class StreamingReaderOperator" class="title">Class StreamingReaderOperator</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <ul class="inheritance"> |
| <li>org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.iceberg.flink.source.StreamingReaderOperator</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.io.Serializable</code>, <code>org.apache.flink.api.common.state.CheckpointListener</code>, <code>org.apache.flink.streaming.api.operators.Input<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>></code>, <code>org.apache.flink.streaming.api.operators.KeyContext</code>, <code>org.apache.flink.streaming.api.operators.OneInputStreamOperator<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>,​org.apache.flink.table.data.RowData></code>, <code>org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.flink.table.data.RowData></code>, <code>org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData></code>, <code>org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator</code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">StreamingReaderOperator</span> |
| extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData> |
| implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>,​org.apache.flink.table.data.RowData></pre> |
| <div class="block">The operator that reads the <a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source"><code>splits</code></a> received from the preceding <a href="StreamingMonitorFunction.html" title="class in org.apache.iceberg.flink.source"><code>StreamingMonitorFunction</code></a>. Contrary to the <a href="StreamingMonitorFunction.html" title="class in org.apache.iceberg.flink.source"><code>StreamingMonitorFunction</code></a> which has a |
| parallelism of 1, this operator can have multiple parallelism. |
| |
| <p>As soon as a split descriptor is received, it is put in a queue, and use <code>MailboxExecutor</code> read the actual data of the split. This architecture allows the separation of |
| the reading thread from the one split processing the checkpoint barriers, thus removing any |
| potential back-pressure.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.iceberg.flink.source.StreamingReaderOperator">Serialized Form</a></dd> |
| </dl> |
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| <h3>Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator</h3> |
| <code>chainingStrategy, config, latencyStats, metrics, output, processingTimeService</code></li> |
| </ul> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#close()">close</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#finish()">finish</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#initializeState(org.apache.flink.runtime.state.StateInitializationContext)">initializeState</a></span>​(org.apache.flink.runtime.state.StateInitializationContext context)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord)">processElement</a></span>​(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>> element)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#processWatermark(org.apache.flink.streaming.api.watermark.Watermark)">processWatermark</a></span>​(org.apache.flink.streaming.api.watermark.Watermark mark)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#snapshotState(org.apache.flink.runtime.state.StateSnapshotContext)">snapshotState</a></span>​(org.apache.flink.runtime.state.StateSnapshotContext context)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a id="methods.inherited.from.class.org.apache.flink.streaming.api.operators.AbstractStreamOperator"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator</h3> |
| <code>getChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getTimeServiceManager, getUserCodeClassloader, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, open, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, registerCounterOnOutput, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, setup, snapshotState</code></li> |
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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> |
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| <h3>Methods inherited from interface org.apache.flink.api.common.state.CheckpointListener</h3> |
| <code>notifyCheckpointAborted, notifyCheckpointComplete</code></li> |
| </ul> |
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| <h3>Methods inherited from interface org.apache.flink.streaming.api.operators.Input</h3> |
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| <h3>Methods inherited from interface org.apache.flink.streaming.api.operators.KeyContext</h3> |
| <code>getCurrentKey, setCurrentKey</code></li> |
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| <h3>Methods inherited from interface org.apache.flink.streaming.api.operators.OneInputStreamOperator</h3> |
| <code>setKeyContextElement</code></li> |
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| <h3>Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator</h3> |
| <code>getMetricGroup, getOperatorID, initializeState, open, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState</code></li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a id="initializeState(org.apache.flink.runtime.state.StateInitializationContext)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>initializeState</h4> |
| <pre class="methodSignature">public void initializeState​(org.apache.flink.runtime.state.StateInitializationContext context) |
| throws java.lang.Exception</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>initializeState</code> in interface <code>org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator</code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>initializeState</code> in class <code>org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code></dd> |
| </dl> |
| </li> |
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| <a id="snapshotState(org.apache.flink.runtime.state.StateSnapshotContext)"> |
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| <h4>snapshotState</h4> |
| <pre class="methodSignature">public void snapshotState​(org.apache.flink.runtime.state.StateSnapshotContext context) |
| throws java.lang.Exception</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>snapshotState</code> in interface <code>org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator</code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>snapshotState</code> in class <code>org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>processElement</h4> |
| <pre class="methodSignature">public void processElement​(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>> element)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>processElement</code> in interface <code>org.apache.flink.streaming.api.operators.Input<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="processWatermark(org.apache.flink.streaming.api.watermark.Watermark)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>processWatermark</h4> |
| <pre class="methodSignature">public void processWatermark​(org.apache.flink.streaming.api.watermark.Watermark mark)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>processWatermark</code> in interface <code>org.apache.flink.streaming.api.operators.Input<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>processWatermark</code> in class <code>org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData></code></dd> |
| </dl> |
| </li> |
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| <h4>close</h4> |
| <pre class="methodSignature">public void close() |
| throws java.lang.Exception</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>close</code> in interface <code>org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>close</code> in class <code>org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code></dd> |
| </dl> |
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| <h4>finish</h4> |
| <pre class="methodSignature">public void finish() |
| throws java.lang.Exception</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>finish</code> in interface <code>org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>finish</code> in class <code>org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code></dd> |
| </dl> |
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