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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.kafka.streams.query</a></div> |
| <h1 title="Class StateQueryResult" class="title">Class StateQueryResult<R></h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.kafka.streams.query.StateQueryResult<R></div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>Type Parameters:</dt> |
| <dd><code>R</code> - The type of the query result.</dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="annotations"><a href="../../common/annotation/InterfaceStability.Evolving.html" title="annotation interface in org.apache.kafka.common.annotation">@Evolving</a> |
| </span><span class="modifiers">public class </span><span class="element-name type-name-label">StateQueryResult<R></span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div> |
| <div class="block">The response object for interactive queries. This wraps the individual partition results, as well |
| as metadata relating to the result as a whole. |
| <p></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h2>Constructor Summary</h2> |
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| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">StateQueryResult</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addResult(int,org.apache.kafka.streams.query.QueryResult)" class="member-name-link">addResult</a><wbr>(int partition, |
| <a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>> r)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Set the result for a partitioned store query.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getGlobalResult()" class="member-name-link">getGlobalResult</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">The query's result for global store queries.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getOnlyPartitionResult()" class="member-name-link">getOnlyPartitionResult</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">For queries that are expected to match records in only one partition, returns the result.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>,<wbr><a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getPartitionResults()" class="member-name-link">getPartitionResults</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">The query's result for each partition that executed the query.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="Position.html" title="class in org.apache.kafka.streams.query">Position</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getPosition()" class="member-name-link">getPosition</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">The position of the state store at the moment it executed the query.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setGlobalResult(org.apache.kafka.streams.query.QueryResult)" class="member-name-link">setGlobalResult</a><wbr>(<a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>> r)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Set the result for a global store query.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><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-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>StateQueryResult</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">StateQueryResult</span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="setGlobalResult(org.apache.kafka.streams.query.QueryResult)"> |
| <h3>setGlobalResult</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setGlobalResult</span><wbr><span class="parameters">(<a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>> r)</span></div> |
| <div class="block">Set the result for a global store query. Used by Kafka Streams and available for tests.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="addResult(int,org.apache.kafka.streams.query.QueryResult)"> |
| <h3>addResult</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">addResult</span><wbr><span class="parameters">(int partition, |
| <a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>> r)</span></div> |
| <div class="block">Set the result for a partitioned store query. Used by Kafka Streams and available for tests.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getPartitionResults()"> |
| <h3>getPartitionResults</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <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/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>,<wbr><a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>>></span> <span class="element-name">getPartitionResults</span>()</div> |
| <div class="block">The query's result for each partition that executed the query. Empty for global store |
| queries.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getOnlyPartitionResult()"> |
| <h3>getOnlyPartitionResult</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>></span> <span class="element-name">getOnlyPartitionResult</span>()</div> |
| <div class="block">For queries that are expected to match records in only one partition, returns the result.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if the results are not for exactly one partition.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getGlobalResult()"> |
| <h3>getGlobalResult</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="QueryResult.html" title="interface in org.apache.kafka.streams.query">QueryResult</a><<a href="StateQueryResult.html" title="type parameter in StateQueryResult">R</a>></span> <span class="element-name">getGlobalResult</span>()</div> |
| <div class="block">The query's result for global store queries. Is <code>null</code> for non-global (partitioned) |
| store queries.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getPosition()"> |
| <h3>getPosition</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="Position.html" title="class in org.apache.kafka.streams.query">Position</a></span> <span class="element-name">getPosition</span>()</div> |
| <div class="block">The position of the state store at the moment it executed the query. In conjunction with |
| <a href="StateQueryRequest.html#withPositionBound(org.apache.kafka.streams.query.PositionBound)"><code>StateQueryRequest.withPositionBound(org.apache.kafka.streams.query.PositionBound)</code></a>, this can be used to achieve a good balance |
| between consistency and availability in which repeated queries are guaranteed to advance in |
| time while allowing reads to be served from any replica that is caught up to that caller's |
| prior observations.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="toString()"> |
| <h3>toString</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><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">toString</span>()</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code> in class <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
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