google__adk-docs/docs/api-reference/java/com/google/adk/apps/App.html

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<title>App (Google Agent Development Kit Maven Parent POM 1.7.0 API)</title>
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<li><a href="#" tabindex="0">Description</a></li>
<li><a href="#nested-class-summary" tabindex="0">Nested Class Summary</a></li>
<li><a href="#method-summary" tabindex="0">Method Summary</a></li>
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<li><a href="#name()" tabindex="0">name()</a></li>
<li><a href="#rootAgent()" tabindex="0">rootAgent()</a></li>
<li><a href="#plugins()" tabindex="0">plugins()</a></li>
<li><a href="#eventsCompactionConfig()" tabindex="0">eventsCompactionConfig()</a></li>
<li><a href="#contextCacheConfig()" tabindex="0">contextCacheConfig()</a></li>
<li><a href="#resumabilityConfig()" tabindex="0">resumabilityConfig()</a></li>
<li><a href="#builder()" tabindex="0">builder()</a></li>
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<h1 title="Class App" class="title">Class App</h1>
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<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 in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">com.google.adk.apps.App</div>
</div>
<section class="class-description" id="class-description">
<hr>
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<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">App</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 in java.lang" class="external-link">Object</a></span></div>
<div class="block">Represents an LLM-backed agentic application.

<p>An <code>App</code> is the top-level container for an agentic system powered by LLMs. It manages a
root agent (<code>rootAgent</code>), which serves as the root of an agent tree, enabling coordination
and communication across all agents in the hierarchy. The <code>plugins</code> are application-wide
components that provide shared capabilities and services to the entire system.</div>
</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== NESTED CLASS SUMMARY ======== -->
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<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="caption"><span>Nested Classes</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Class</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static class&nbsp;</code></div>
<div class="col-second even-row-color"><code><a href="App.Builder.html" class="type-name-link" title="class in com.google.adk.apps">App.Builder</a></code></div>
<div class="col-last even-row-color">
<div class="block">Builder for <a href="App.html" title="class in com.google.adk.apps"><code>App</code></a>.</div>
</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="summary-table three-column-summary">
<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-tab1 method-summary-table-tab4"><code>static <a href="App.Builder.html" title="class in com.google.adk.apps">App.Builder</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#builder()" class="member-name-link">builder</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../agents/ContextCacheConfig.html" title="class in com.google.adk.agents">ContextCacheConfig</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#contextCacheConfig()" class="member-name-link">contextCacheConfig</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../summarizer/EventsCompactionConfig.html" title="class in com.google.adk.summarizer">EventsCompactionConfig</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#eventsCompactionConfig()" class="member-name-link">eventsCompactionConfig</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</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/lang/String.html" title="class in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#name()" class="member-name-link">name</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</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/util/List.html" title="interface in java.util" class="external-link">List</a><wbr>&lt;? extends <a href="../plugins/Plugin.html" title="interface in com.google.adk.plugins">Plugin</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#plugins()" class="member-name-link">plugins</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="ResumabilityConfig.html" title="class in com.google.adk.apps">ResumabilityConfig</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#resumabilityConfig()" class="member-name-link">resumabilityConfig</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../agents/BaseAgent.html" title="class in com.google.adk.agents">BaseAgent</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#rootAgent()" class="member-name-link">rootAgent</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#method-summary" title="class 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="clone()" 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="equals(Object)" 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="finalize()" 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="getClass()" 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="hashCode()" 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="notify()" 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="notifyAll()" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="toString()" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="wait()" 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="wait(long)" 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="wait(long, int)" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="name()">
<h3>name</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">name</span>()</div>
</div>
</section>
</li>
<li>
<section class="detail" id="rootAgent()">
<h3>rootAgent</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../agents/BaseAgent.html" title="class in com.google.adk.agents">BaseAgent</a></span>&nbsp;<span class="element-name">rootAgent</span>()</div>
</div>
</section>
</li>
<li>
<section class="detail" id="plugins()">
<h3>plugins</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="interface in java.util" class="external-link">List</a>&lt;? extends <a href="../plugins/Plugin.html" title="interface in com.google.adk.plugins">Plugin</a>&gt;</span>&nbsp;<span class="element-name">plugins</span>()</div>
</div>
</section>
</li>
<li>
<section class="detail" id="eventsCompactionConfig()">
<h3>eventsCompactionConfig</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="../summarizer/EventsCompactionConfig.html" title="class in com.google.adk.summarizer">EventsCompactionConfig</a></span>&nbsp;<span class="element-name">eventsCompactionConfig</span>()</div>
</div>
</section>
</li>
<li>
<section class="detail" id="contextCacheConfig()">
<h3>contextCacheConfig</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="../agents/ContextCacheConfig.html" title="class in com.google.adk.agents">ContextCacheConfig</a></span>&nbsp;<span class="element-name">contextCacheConfig</span>()</div>
</div>
</section>
</li>
<li>
<section class="detail" id="resumabilityConfig()">
<h3>resumabilityConfig</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="ResumabilityConfig.html" title="class in com.google.adk.apps">ResumabilityConfig</a></span>&nbsp;<span class="element-name">resumabilityConfig</span>()</div>
</div>
</section>
</li>
<li>
<section class="detail" id="builder()">
<h3>builder</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="App.Builder.html" title="class in com.google.adk.apps">App.Builder</a></span>&nbsp;<span class="element-name">builder</span>()</div>
</div>
</section>
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