java-sdk/docs/io/dapr/actors/runtime/Remindable.html

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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">io.dapr.actors.runtime</a></div>
<h1 title="Interface Remindable" class="title">Interface Remindable&lt;T&gt;</h1>
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<div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">Remindable&lt;T&gt;</span></div>
<div class="block">Interface that actors must implement to consume reminders registered using RegisterReminderAsync.</div>
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<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-tab3"><code><a href="../../utils/TypeRef.html" title="class in io.dapr.utils">TypeRef</a>&lt;<a href="Remindable.html" title="type parameter in Remindable">T</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getStateType()" class="member-name-link">getStateType</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Gets the type for state object.</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>reactor.core.publisher.Mono&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Void.html" title="class or interface in java.lang" class="external-link">Void</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#receiveReminder(java.lang.String,T,java.time.Duration,java.time.Duration)" class="member-name-link">receiveReminder</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;reminderName,
<a href="Remindable.html" title="type parameter in Remindable">T</a>&nbsp;state,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/time/Duration.html" title="class or interface in java.time" class="external-link">Duration</a>&nbsp;dueTime,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/time/Duration.html" title="class or interface in java.time" class="external-link">Duration</a>&nbsp;period)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">The reminder call back invoked when an actor reminder is triggered.</div>
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<h2>Method Details</h2>
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<section class="detail" id="getStateType()">
<h3>getStateType</h3>
<div class="member-signature"><span class="return-type"><a href="../../utils/TypeRef.html" title="class in io.dapr.utils">TypeRef</a>&lt;<a href="Remindable.html" title="type parameter in Remindable">T</a>&gt;</span>&nbsp;<span class="element-name">getStateType</span>()</div>
<div class="block">Gets the type for state object.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>Class for state object.</dd>
</dl>
</section>
</li>
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<section class="detail" id="receiveReminder(java.lang.String,T,java.time.Duration,java.time.Duration)">
<h3 id="receiveReminder(java.lang.String,java.lang.Object,java.time.Duration,java.time.Duration)">receiveReminder</h3>
<div class="member-signature"><span class="return-type">reactor.core.publisher.Mono&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Void.html" title="class or interface in java.lang" class="external-link">Void</a>&gt;</span>&nbsp;<span class="element-name">receiveReminder</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;reminderName,
<a href="Remindable.html" title="type parameter in Remindable">T</a>&nbsp;state,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/time/Duration.html" title="class or interface in java.time" class="external-link">Duration</a>&nbsp;dueTime,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/time/Duration.html" title="class or interface in java.time" class="external-link">Duration</a>&nbsp;period)</span></div>
<div class="block">The reminder call back invoked when an actor reminder is triggered.
The state of this actor is saved by the actor runtime upon completion of the task returned by this method.
If an error occurs while saving the state, then all state cached by this actor's <a href="ActorStateManager.html" title="class in io.dapr.actors.runtime"><code>ActorStateManager</code></a> will
be discarded and reloaded from previously saved state when the next actor method or reminder invocation occurs.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>reminderName</code> - The name of reminder provided during registration.</dd>
<dd><code>state</code> - The user state provided during registration.</dd>
<dd><code>dueTime</code> - The invocation due time provided during registration.</dd>
<dd><code>period</code> - The invocation period provided during registration.</dd>
<dt>Returns:</dt>
<dd>A task that represents the asynchronous operation performed by this callback.</dd>
</dl>
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