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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 StreamingMonitorFunction" class="title">Class StreamingMonitorFunction</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.flink.api.common.functions.AbstractRichFunction</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.flink.streaming.api.functions.source.RichSourceFunction<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.iceberg.flink.source.StreamingMonitorFunction</li> |
| </ul> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.io.Serializable</code>, <code>org.apache.flink.api.common.functions.Function</code>, <code>org.apache.flink.api.common.functions.RichFunction</code>, <code>org.apache.flink.streaming.api.checkpoint.CheckpointedFunction</code>, <code>org.apache.flink.streaming.api.functions.source.SourceFunction<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">StreamingMonitorFunction</span> |
| extends org.apache.flink.streaming.api.functions.source.RichSourceFunction<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>> |
| implements org.apache.flink.streaming.api.checkpoint.CheckpointedFunction</pre> |
| <div class="block">This is the single (non-parallel) monitoring task which takes a <a href="FlinkInputFormat.html" title="class in org.apache.iceberg.flink.source"><code>FlinkInputFormat</code></a>, |
| it is responsible for: |
| |
| <ol> |
| <li>Monitoring snapshots of the Iceberg table.</li> |
| <li>Creating the <a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source"><code>splits</code></a> corresponding to the incremental files</li> |
| <li>Assigning them to downstream tasks for further processing.</li> |
| </ol> |
| |
| <p>The splits to be read are forwarded to the downstream <a href="StreamingReaderOperator.html" title="class in org.apache.iceberg.flink.source"><code>StreamingReaderOperator</code></a> |
| which can have parallelism greater than one.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.iceberg.flink.source.StreamingMonitorFunction">Serialized Form</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h3>Nested classes/interfaces inherited from interface org.apache.flink.streaming.api.functions.source.SourceFunction</h3> |
| <code>org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T extends java.lang.Object></code></li> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.iceberg.flink.TableLoader,org.apache.iceberg.flink.source.ScanContext)">StreamingMonitorFunction</a></span>​(<a href="../TableLoader.html" title="interface in org.apache.iceberg.flink">TableLoader</a> tableLoader, |
| org.apache.iceberg.flink.source.ScanContext scanContext)</code></th> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cancel()">cancel</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="#close()">close</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.FunctionInitializationContext)">initializeState</a></span>​(org.apache.flink.runtime.state.FunctionInitializationContext 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="#run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext)">run</a></span>​(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>> ctx)</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="#snapshotState(org.apache.flink.runtime.state.FunctionSnapshotContext)">snapshotState</a></span>​(org.apache.flink.runtime.state.FunctionSnapshotContext context)</code></th> |
| <td class="colLast"> </td> |
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| <h3>Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction</h3> |
| <code>getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext</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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| <h4>StreamingMonitorFunction</h4> |
| <pre>public StreamingMonitorFunction​(<a href="../TableLoader.html" title="interface in org.apache.iceberg.flink">TableLoader</a> tableLoader, |
| org.apache.iceberg.flink.source.ScanContext scanContext)</pre> |
| </li> |
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| <h4>initializeState</h4> |
| <pre class="methodSignature">public void initializeState​(org.apache.flink.runtime.state.FunctionInitializationContext 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.checkpoint.CheckpointedFunction</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code></dd> |
| </dl> |
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| <h4>snapshotState</h4> |
| <pre class="methodSignature">public void snapshotState​(org.apache.flink.runtime.state.FunctionSnapshotContext 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.checkpoint.CheckpointedFunction</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code></dd> |
| </dl> |
| </li> |
| </ul> |
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| <!-- --> |
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| <h4>run</h4> |
| <pre class="methodSignature">public void run​(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>> ctx) |
| throws java.lang.Exception</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>run</code> in interface <code>org.apache.flink.streaming.api.functions.source.SourceFunction<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code></dd> |
| </dl> |
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| <pre class="methodSignature">public void cancel()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>cancel</code> in interface <code>org.apache.flink.streaming.api.functions.source.SourceFunction<<a href="FlinkInputSplit.html" title="class in org.apache.iceberg.flink.source">FlinkInputSplit</a>></code></dd> |
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| <h4>close</h4> |
| <pre class="methodSignature">public void close()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>close</code> in interface <code>org.apache.flink.api.common.functions.RichFunction</code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>close</code> in class <code>org.apache.flink.api.common.functions.AbstractRichFunction</code></dd> |
| </dl> |
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