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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.state</a></div> |
| <h1 title="Interface VersionedBytesStoreSupplier" class="title">Interface VersionedBytesStoreSupplier</h1> |
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| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="KeyValueBytesStoreSupplier.html" title="interface in org.apache.kafka.streams.state">KeyValueBytesStoreSupplier</a></code>, <code><a href="StoreSupplier.html" title="interface in org.apache.kafka.streams.state">StoreSupplier</a><<a href="KeyValueStore.html" title="interface in org.apache.kafka.streams.state">KeyValueStore</a><org.apache.kafka.common.utils.Bytes,<wbr>byte[]>></code></dd> |
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| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">VersionedBytesStoreSupplier</span><span class="extends-implements"> |
| extends <a href="KeyValueBytesStoreSupplier.html" title="interface in org.apache.kafka.streams.state">KeyValueBytesStoreSupplier</a></span></div> |
| <div class="block">A store supplier that can be used to create one or more versioned key-value stores, |
| specifically, <a href="VersionedBytesStore.html" title="interface in org.apache.kafka.streams.state"><code>VersionedBytesStore</code></a> instances. |
| <p> |
| Rather than representing the returned store as a <a href="VersionedKeyValueStore.html" title="interface in org.apache.kafka.streams.state"><code>VersionedKeyValueStore</code></a> of |
| type <Bytes, byte[]>, this supplier interface represents the returned store as a |
| <a href="KeyValueStore.html" title="interface in org.apache.kafka.streams.state"><code>KeyValueStore</code></a> of type <Bytes, byte[]> (via <a href="VersionedBytesStore.html" title="interface in org.apache.kafka.streams.state"><code>VersionedBytesStore</code></a>) in order to be compatible with |
| existing DSL methods for passing key-value stores such as <a href="../StreamsBuilder.html#table(java.lang.String,org.apache.kafka.streams.kstream.Materialized)"><code>StreamsBuilder.table(String, Materialized)</code></a> |
| and <a href="../kstream/KTable.html#filter(org.apache.kafka.streams.kstream.Predicate,org.apache.kafka.streams.kstream.Materialized)"><code>KTable.filter(Predicate, Materialized)</code></a>. A <code>VersionedKeyValueStore<Bytes, byte[]></code> |
| is represented as a <code>KeyValueStore KeyValueStore<Bytes, byte[]></code> by interpreting the |
| value bytes as containing record timestamp information in addition to raw record values.</div> |
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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-tab3"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#historyRetentionMs()" class="member-name-link">historyRetentionMs</a>()</code></div> |
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| <div class="block">Returns the history retention (in milliseconds) that stores created from this supplier will have.</div> |
| </div> |
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| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.kafka.streams.state.StoreSupplier">Methods inherited from interface org.apache.kafka.streams.state.<a href="StoreSupplier.html" title="interface in org.apache.kafka.streams.state">StoreSupplier</a></h3> |
| <code><a href="StoreSupplier.html#get()">get</a>, <a href="StoreSupplier.html#metricsScope()">metricsScope</a>, <a href="StoreSupplier.html#name()">name</a></code></div> |
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| <h2>Method Details</h2> |
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| <li> |
| <section class="detail" id="historyRetentionMs()"> |
| <h3>historyRetentionMs</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">historyRetentionMs</span>()</div> |
| <div class="block">Returns the history retention (in milliseconds) that stores created from this supplier will have. |
| This value is used to set compaction configs on store changelog topics (if relevant).</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>history retention, i.e., length of time that old record versions are available for |
| query from a versioned store</dd> |
| </dl> |
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