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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.kafka.connect.source</a></div> |
| <h1 title="Interface SourceTaskContext" class="title">Interface SourceTaskContext</h1> |
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| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">SourceTaskContext</span></div> |
| <div class="block">SourceTaskContext is provided to SourceTasks to allow them to interact with the underlying |
| runtime.</div> |
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| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#configs()" class="member-name-link">configs</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Get the Task configuration.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="../storage/OffsetStorageReader.html" title="interface in org.apache.kafka.connect.storage">OffsetStorageReader</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#offsetStorageReader()" class="member-name-link">offsetStorageReader</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Get the OffsetStorageReader for this SourceTask.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default <a href="TransactionContext.html" title="interface in org.apache.kafka.connect.source">TransactionContext</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#transactionContext()" class="member-name-link">transactionContext</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"> |
| <div class="block">Get a <a href="TransactionContext.html" title="interface in org.apache.kafka.connect.source"><code>TransactionContext</code></a> that can be used to define producer transaction boundaries |
| when exactly-once support is enabled for the connector.</div> |
| </div> |
| </div> |
| </div> |
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| </li> |
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| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
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| <li> |
| <section class="detail" id="configs()"> |
| <h3>configs</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>></span> <span class="element-name">configs</span>()</div> |
| <div class="block">Get the Task configuration. This is the latest configuration and may differ from that passed on startup. |
| <p> |
| For example, this method can be used to obtain the latest configuration if an external secret has changed, |
| and the configuration is using variable references such as those compatible with |
| <a href="../../common/config/ConfigTransformer.html" title="class in org.apache.kafka.common.config"><code>ConfigTransformer</code></a>.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="offsetStorageReader()"> |
| <h3>offsetStorageReader</h3> |
| <div class="member-signature"><span class="return-type"><a href="../storage/OffsetStorageReader.html" title="interface in org.apache.kafka.connect.storage">OffsetStorageReader</a></span> <span class="element-name">offsetStorageReader</span>()</div> |
| <div class="block">Get the OffsetStorageReader for this SourceTask.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="transactionContext()"> |
| <h3>transactionContext</h3> |
| <div class="member-signature"><span class="modifiers">default</span> <span class="return-type"><a href="TransactionContext.html" title="interface in org.apache.kafka.connect.source">TransactionContext</a></span> <span class="element-name">transactionContext</span>()</div> |
| <div class="block">Get a <a href="TransactionContext.html" title="interface in org.apache.kafka.connect.source"><code>TransactionContext</code></a> that can be used to define producer transaction boundaries |
| when exactly-once support is enabled for the connector. |
| |
| <p>This method was added in Apache Kafka 3.2. Source tasks that use this method but want to |
| maintain backward compatibility so they can also be deployed to older Connect runtimes |
| should guard the call to this method with a try-catch block, since calling this method will result in a |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NoSuchMethodError.html" title="class or interface in java.lang" class="external-link"><code>NoSuchMethodError</code></a> or <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NoClassDefFoundError.html" title="class or interface in java.lang" class="external-link"><code>NoClassDefFoundError</code></a> when the source connector is deployed to |
| Connect runtimes older than Kafka 3.2. For example: |
| <pre> |
| TransactionContext transactionContext; |
| try { |
| transactionContext = context.transactionContext(); |
| } catch (NoSuchMethodError | NoClassDefFoundError e) { |
| transactionContext = null; |
| } |
| </pre></div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the transaction context, or null if the connector was not configured to specify transaction boundaries</dd> |
| <dt>Since:</dt> |
| <dd>3.3</dd> |
| </dl> |
| </section> |
| </li> |
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