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<li><a href="#" tabindex="0">Description</a></li>
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<li><a href="#constructor-detail" tabindex="0">Constructor Details</a>
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<li><a href="#%3Cinit%3E()" tabindex="0">ComponentRegistry()</a></li>
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<li><a href="#method-detail" tabindex="0">Method Details</a>
<ol class="toc-list">
<li><a href="#register(java.lang.String,java.lang.Object)" tabindex="0">register(String, Object)</a></li>
<li><a href="#get(java.lang.String,java.lang.Class)" tabindex="0">get(String, Class)</a></li>
<li><a href="#get(java.lang.String)" tabindex="0">get(String)</a></li>
<li><a href="#getInstance()" tabindex="0">getInstance()</a></li>
<li><a href="#setInstance(com.google.adk.utils.ComponentRegistry)" tabindex="0">setInstance(ComponentRegistry)</a></li>
<li><a href="#resolveAgentInstance(java.lang.String)" tabindex="0">resolveAgentInstance(String)</a></li>
<li><a href="#resolveAgentClass(java.lang.String)" tabindex="0">resolveAgentClass(String)</a></li>
<li><a href="#resolveToolsetInstance(java.lang.String)" tabindex="0">resolveToolsetInstance(String)</a></li>
<li><a href="#resolveToolInstance(java.lang.String)" tabindex="0">resolveToolInstance(String)</a></li>
<li><a href="#resolveToolClass(java.lang.String)" tabindex="0">resolveToolClass(String)</a></li>
<li><a href="#resolveToolsetClass(java.lang.String)" tabindex="0">resolveToolsetClass(String)</a></li>
<li><a href="#getToolNamesWithPrefix(java.lang.String)" tabindex="0">getToolNamesWithPrefix(String)</a></li>
<li><a href="#resolveBeforeAgentCallback(java.lang.String)" tabindex="0">resolveBeforeAgentCallback(String)</a></li>
<li><a href="#resolveAfterAgentCallback(java.lang.String)" tabindex="0">resolveAfterAgentCallback(String)</a></li>
<li><a href="#resolveBeforeModelCallback(java.lang.String)" tabindex="0">resolveBeforeModelCallback(String)</a></li>
<li><a href="#resolveAfterModelCallback(java.lang.String)" tabindex="0">resolveAfterModelCallback(String)</a></li>
<li><a href="#resolveBeforeToolCallback(java.lang.String)" tabindex="0">resolveBeforeToolCallback(String)</a></li>
<li><a href="#resolveAfterToolCallback(java.lang.String)" tabindex="0">resolveAfterToolCallback(String)</a></li>
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<h1 title="Class ComponentRegistry" class="title">Class ComponentRegistry</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 in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">com.google.adk.utils.ComponentRegistry</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="../../../example/CustomDemoRegistry.html" title="class in com.example">CustomDemoRegistry</a></code></dd>
</dl>
<hr>
<div class="horizontal-scroll">
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">ComponentRegistry</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">A registry for storing and retrieving ADK instances by name.
<p>This class provides a base registry with common ADK components and is designed to be extended
by users who want to add their own pre-wired entries. The registry is fully thread-safe and
supports storing any type of object.
<p><strong>Thread Safety:</strong>
<ul>
<li>All instance methods are thread-safe due to the underlying ConcurrentHashMap
<li>The singleton instance access is thread-safe using volatile semantics
<li>The setInstance() method is synchronized to ensure atomic singleton replacement
</ul>
<p>Base pre-wired entries include:
<ul>
<li>"google_search" - GoogleSearchTool instance
<li>"code_execution" - BuiltInCodeExecutionTool instance
<li>"exit_loop" - ExitLoopTool instance
<li>"url_context" - UrlContextTool instance
<li>"google_maps_grounding" - GoogleMapsTool instance
</ul>
<p>Example usage:
<pre><code>// Use the singleton instance
ComponentRegistry registry = ComponentRegistry.getInstance();
Optional&lt;GoogleSearchTool&gt; searchTool = registry.get("google_search", GoogleSearchTool.class);
// Extend ComponentRegistry to add custom pre-wired entries
public class MyComponentRegistry extends ComponentRegistry {
public MyComponentRegistry() {
super(); // Initialize base pre-wired entries
register("my_custom_tool", new MyCustomTool());
register("my_agent", new MyCustomAgent());
}
}
// Replace the singleton with custom registry when server starts
ComponentRegistry.setInstance(new MyComponentRegistry());
</code></pre></div>
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<div class="table-header col-first">Modifier</div>
<div class="table-header col-second">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>protected </code></div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">ComponentRegistry</a>()</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</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-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<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>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#get(java.lang.String)" class="member-name-link">get</a><wbr>(<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>&nbsp;name)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Retrieves an object by name without type checking.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>&lt;T&gt;&nbsp;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;T&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#get(java.lang.String,java.lang.Class)" class="member-name-link">get</a><wbr>(<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>&nbsp;name,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;type)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Retrieves an object by name and attempts to cast it to the specified type.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="ComponentRegistry.html" title="class in com.google.adk.utils">ComponentRegistry</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getInstance()" class="member-name-link">getInstance</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Returns the global singleton instance of ComponentRegistry.</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/Set.html" title="interface in java.util" class="external-link">Set</a><wbr>&lt;<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>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getToolNamesWithPrefix(java.lang.String)" class="member-name-link">getToolNamesWithPrefix</a><wbr>(<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>&nbsp;prefix)</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>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#register(java.lang.String,java.lang.Object)" class="member-name-link">register</a><wbr>(<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>&nbsp;name,
<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>&nbsp;value)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Registers an object with the given name.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../agents/Callbacks.AfterAgentCallback.html" title="interface in com.google.adk.agents">Callbacks.AfterAgentCallback</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveAfterAgentCallback(java.lang.String)" class="member-name-link">resolveAfterAgentCallback</a><wbr>(<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>&nbsp;name)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../agents/Callbacks.AfterModelCallback.html" title="interface in com.google.adk.agents">Callbacks.AfterModelCallback</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveAfterModelCallback(java.lang.String)" class="member-name-link">resolveAfterModelCallback</a><wbr>(<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>&nbsp;name)</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-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../agents/Callbacks.AfterToolCallback.html" title="interface in com.google.adk.agents">Callbacks.AfterToolCallback</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveAfterToolCallback(java.lang.String)" class="member-name-link">resolveAfterToolCallback</a><wbr>(<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>&nbsp;name)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class in java.lang" class="external-link">Class</a><wbr>&lt;? extends <a href="../agents/BaseAgent.html" title="class in com.google.adk.agents">BaseAgent</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveAgentClass(java.lang.String)" class="member-name-link">resolveAgentClass</a><wbr>(<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>&nbsp;agentClassName)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Resolves the agent class based on the agent class name from the configuration.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../agents/BaseAgent.html" title="class in com.google.adk.agents">BaseAgent</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveAgentInstance(java.lang.String)" class="member-name-link">resolveAgentInstance</a><wbr>(<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>&nbsp;name)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Resolves an agent instance from the registry.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../agents/Callbacks.BeforeAgentCallback.html" title="interface in com.google.adk.agents">Callbacks.BeforeAgentCallback</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveBeforeAgentCallback(java.lang.String)" class="member-name-link">resolveBeforeAgentCallback</a><wbr>(<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>&nbsp;name)</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-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../agents/Callbacks.BeforeModelCallback.html" title="interface in com.google.adk.agents">Callbacks.BeforeModelCallback</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveBeforeModelCallback(java.lang.String)" class="member-name-link">resolveBeforeModelCallback</a><wbr>(<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>&nbsp;name)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../agents/Callbacks.BeforeToolCallback.html" title="interface in com.google.adk.agents">Callbacks.BeforeToolCallback</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveBeforeToolCallback(java.lang.String)" class="member-name-link">resolveBeforeToolCallback</a><wbr>(<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>&nbsp;name)</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-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class in java.lang" class="external-link">Class</a>&lt;? extends <a href="../tools/BaseTool.html" title="class in com.google.adk.tools">BaseTool</a>&gt;&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveToolClass(java.lang.String)" class="member-name-link">resolveToolClass</a><wbr>(<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>&nbsp;toolClassName)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Resolves the tool class based on the tool class name from the configuration.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../tools/BaseTool.html" title="class in com.google.adk.tools">BaseTool</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveToolInstance(java.lang.String)" class="member-name-link">resolveToolInstance</a><wbr>(<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>&nbsp;name)</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-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class in java.lang" class="external-link">Class</a>&lt;? extends <a href="../tools/BaseToolset.html" title="interface in com.google.adk.tools">BaseToolset</a>&gt;&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveToolsetClass(java.lang.String)" class="member-name-link">resolveToolsetClass</a><wbr>(<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>&nbsp;toolsetClassName)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Resolves a toolset class by name from the registry or by attempting to load it.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../tools/BaseToolset.html" title="interface in com.google.adk.tools">BaseToolset</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#resolveToolsetInstance(java.lang.String)" class="member-name-link">resolveToolsetInstance</a><wbr>(<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>&nbsp;name)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Resolves a toolset instance by name from the registry.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#setInstance(com.google.adk.utils.ComponentRegistry)" class="member-name-link">setInstance</a><wbr>(<a href="ComponentRegistry.html" title="class in com.google.adk.utils">ComponentRegistry</a>&nbsp;newInstance)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Updates the global singleton instance with a new ComponentRegistry.</div>
</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">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;()">
<h3>ComponentRegistry</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="element-name">ComponentRegistry</span>()</div>
</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="register(java.lang.String,java.lang.Object)">
<h3>register</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">register</span><wbr><span class="parameters">(<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>&nbsp;name,
<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>&nbsp;value)</span></div>
<div class="block">Registers an object with the given name. This can override pre-wired entries.
<p>This method is thread-safe due to the underlying ConcurrentHashMap.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>name</code> - the name to associate with the object</dd>
<dd><code>value</code> - the object to register (can be an instance, class, function, etc.)</dd>
<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 in java.lang" class="external-link">IllegalArgumentException</a></code> - if name is null or empty, or if value is null</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="get(java.lang.String,java.lang.Class)">
<h3>get</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="type-parameters">&lt;T&gt;</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;T&gt;</span>&nbsp;<span class="element-name">get</span><wbr><span class="parameters">(<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>&nbsp;name,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;type)</span></div>
<div class="block">Retrieves an object by name and attempts to cast it to the specified type.</div>
<dl class="notes">
<dt>Type Parameters:</dt>
<dd><span id="get(java.lang.String,java.lang.Class)-type-param-T"><code>T</code> - the type parameter</span></dd>
<dt>Parameters:</dt>
<dd><code>name</code> - the name of the object to retrieve</dd>
<dd><code>type</code> - the expected type of the object</dd>
<dt>Returns:</dt>
<dd>an Optional containing the object if found and castable to the specified type, or an
empty Optional otherwise</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="get(java.lang.String)">
<h3>get</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/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<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>&gt;</span>&nbsp;<span class="element-name">get</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
<div class="block">Retrieves an object by name without type checking.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>name</code> - the name of the object to retrieve</dd>
<dt>Returns:</dt>
<dd>an Optional containing the object if found, or an empty Optional otherwise</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="getInstance()">
<h3>getInstance</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="ComponentRegistry.html" title="class in com.google.adk.utils">ComponentRegistry</a></span>&nbsp;<span class="element-name">getInstance</span>()</div>
<div class="block">Returns the global singleton instance of ComponentRegistry.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the singleton ComponentRegistry instance</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="setInstance(com.google.adk.utils.ComponentRegistry)">
<h3>setInstance</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setInstance</span><wbr><span class="parameters">(<a href="ComponentRegistry.html" title="class in com.google.adk.utils">ComponentRegistry</a>&nbsp;newInstance)</span></div>
<div class="block">Updates the global singleton instance with a new ComponentRegistry. This is useful for
replacing the default registry with a custom one when the server starts.
<p>This method is thread-safe and ensures that all threads see the updated instance atomically.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>newInstance</code> - the new ComponentRegistry instance to use as the singleton</dd>
<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 in java.lang" class="external-link">IllegalArgumentException</a></code> - if newInstance is null</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveAgentInstance(java.lang.String)">
<h3>resolveAgentInstance</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../agents/BaseAgent.html" title="class in com.google.adk.agents">BaseAgent</a>&gt;</span>&nbsp;<span class="element-name">resolveAgentInstance</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
<div class="block">Resolves an agent instance from the registry.
<p>This method looks up an agent in the ComponentRegistry by the given key. The registry should
have been pre-populated with all available agents during initialization.
<p>The key can be any string that was used to register the agent, such as:
<ul>
<li>A class name: "com.example.LifeAgent"
<li>A static field reference: "com.example.LifeAgent.INSTANCE"
<li>A simple name: "life_agent"
<li>Any custom key: "sub_agents_config.life_agent.agent"
</ul></div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>name</code> - the registry key to look up</dd>
<dt>Returns:</dt>
<dd>an Optional containing the BaseAgent if found, or empty if not found</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveAgentClass(java.lang.String)">
<h3>resolveAgentClass</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class in java.lang" class="external-link">Class</a>&lt;? extends <a href="../agents/BaseAgent.html" title="class in com.google.adk.agents">BaseAgent</a>&gt;</span>&nbsp;<span class="element-name">resolveAgentClass</span><wbr><span class="parameters">(<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>&nbsp;agentClassName)</span></div>
<div class="block">Resolves the agent class based on the agent class name from the configuration.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>agentClassName</code> - the name of the agent class from the config</dd>
<dt>Returns:</dt>
<dd>the corresponding agent class</dd>
<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 in java.lang" class="external-link">IllegalArgumentException</a></code> - if the agent class is not supported</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveToolsetInstance(java.lang.String)">
<h3>resolveToolsetInstance</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../tools/BaseToolset.html" title="interface in com.google.adk.tools">BaseToolset</a>&gt;</span>&nbsp;<span class="element-name">resolveToolsetInstance</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
<div class="block">Resolves a toolset instance by name from the registry.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>name</code> - The name of the toolset instance to resolve.</dd>
<dt>Returns:</dt>
<dd>An Optional containing the toolset instance if found, empty otherwise.</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveToolInstance(java.lang.String)">
<h3>resolveToolInstance</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../tools/BaseTool.html" title="class in com.google.adk.tools">BaseTool</a>&gt;</span>&nbsp;<span class="element-name">resolveToolInstance</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveToolClass(java.lang.String)">
<h3>resolveToolClass</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class in java.lang" class="external-link">Class</a>&lt;? extends <a href="../tools/BaseTool.html" title="class in com.google.adk.tools">BaseTool</a>&gt;&gt;</span>&nbsp;<span class="element-name">resolveToolClass</span><wbr><span class="parameters">(<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>&nbsp;toolClassName)</span></div>
<div class="block">Resolves the tool class based on the tool class name from the configuration.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>toolClassName</code> - the name of the tool class from the config</dd>
<dt>Returns:</dt>
<dd>an Optional containing the tool class if found, empty otherwise</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveToolsetClass(java.lang.String)">
<h3>resolveToolsetClass</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class in java.lang" class="external-link">Class</a>&lt;? extends <a href="../tools/BaseToolset.html" title="interface in com.google.adk.tools">BaseToolset</a>&gt;&gt;</span>&nbsp;<span class="element-name">resolveToolsetClass</span><wbr><span class="parameters">(<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>&nbsp;toolsetClassName)</span></div>
<div class="block">Resolves a toolset class by name from the registry or by attempting to load it.
<p>This method follows the same pattern as <code>resolveToolClass</code> but for BaseToolset
implementations. It first checks the registry, then attempts direct class loading if the name
contains a dot (indicating a fully qualified class name).</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>toolsetClassName</code> - the name of the toolset class from the config</dd>
<dt>Returns:</dt>
<dd>an Optional containing the toolset class if found, empty otherwise</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="getToolNamesWithPrefix(java.lang.String)">
<h3>getToolNamesWithPrefix</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/Set.html" title="interface in java.util" class="external-link">Set</a>&lt;<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>&gt;</span>&nbsp;<span class="element-name">getToolNamesWithPrefix</span><wbr><span class="parameters">(<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>&nbsp;prefix)</span></div>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveBeforeAgentCallback(java.lang.String)">
<h3>resolveBeforeAgentCallback</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../agents/Callbacks.BeforeAgentCallback.html" title="interface in com.google.adk.agents">Callbacks.BeforeAgentCallback</a>&gt;</span>&nbsp;<span class="element-name">resolveBeforeAgentCallback</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveAfterAgentCallback(java.lang.String)">
<h3>resolveAfterAgentCallback</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../agents/Callbacks.AfterAgentCallback.html" title="interface in com.google.adk.agents">Callbacks.AfterAgentCallback</a>&gt;</span>&nbsp;<span class="element-name">resolveAfterAgentCallback</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveBeforeModelCallback(java.lang.String)">
<h3>resolveBeforeModelCallback</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../agents/Callbacks.BeforeModelCallback.html" title="interface in com.google.adk.agents">Callbacks.BeforeModelCallback</a>&gt;</span>&nbsp;<span class="element-name">resolveBeforeModelCallback</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveAfterModelCallback(java.lang.String)">
<h3>resolveAfterModelCallback</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../agents/Callbacks.AfterModelCallback.html" title="interface in com.google.adk.agents">Callbacks.AfterModelCallback</a>&gt;</span>&nbsp;<span class="element-name">resolveAfterModelCallback</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveBeforeToolCallback(java.lang.String)">
<h3>resolveBeforeToolCallback</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../agents/Callbacks.BeforeToolCallback.html" title="interface in com.google.adk.agents">Callbacks.BeforeToolCallback</a>&gt;</span>&nbsp;<span class="element-name">resolveBeforeToolCallback</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
</div>
</section>
</li>
<li>
<section class="detail" id="resolveAfterToolCallback(java.lang.String)">
<h3>resolveAfterToolCallback</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class in java.util" class="external-link">Optional</a>&lt;<a href="../agents/Callbacks.AfterToolCallback.html" title="interface in com.google.adk.agents">Callbacks.AfterToolCallback</a>&gt;</span>&nbsp;<span class="element-name">resolveAfterToolCallback</span><wbr><span class="parameters">(<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>&nbsp;name)</span></div>
</div>
</section>
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</section>
</li>
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