Scissors-Website/javadoc/1.19.4/io/papermc/paper/plugin/provider/classloader/PaperClassLoaderStorage.html
2023-04-02 20:49:18 -05:00

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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">io.papermc.paper.plugin.provider.classloader</a></div>
<h1 title="Interface PaperClassLoaderStorage" class="title">Interface PaperClassLoaderStorage</h1>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="annotations"><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/ApiStatus.Internal.html" title="class or interface in org.jetbrains.annotations" class="external-link">@Internal</a>
</span><span class="modifiers">public interface </span><span class="element-name type-name-label">PaperClassLoaderStorage</span></div>
<div class="block">The plugin classloader storage is an <b>internal</b> type that is used to manage existing classloaders on the server.
<p>
The paper classloader storage is also responsible for storing added <a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader"><code>ConfiguredPluginClassLoader</code></a>s into
<a href="PluginClassLoaderGroup.html" title="interface in io.papermc.paper.plugin.provider.classloader"><code>PluginClassLoaderGroup</code></a>s, via <a href="#registerOpenGroup(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader)"><code>registerOpenGroup(ConfiguredPluginClassLoader)</code></a>,
<a href="#registerSpigotGroup(org.bukkit.plugin.java.PluginClassLoader)"><code>registerSpigotGroup(PluginClassLoader)</code></a> and <a href="#registerAccessBackedGroup(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader,io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess)"><code>registerAccessBackedGroup(ConfiguredPluginClassLoader, ClassLoaderAccess)</code></a>.
<p>
Groups are differentiated into the global group or plugin owned groups.
<ul>
<li>The global group holds all registered class loaders and merely exists to maintain backwards compatibility with
spigots legacy classloader handling.</li>
<li>The plugin groups only contains the classloaders that each plugin has access to and hence serves to properly
separates unrelated classloaders.</li>
</ul></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ========== 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" aria-labelledby="method-summary-table-tab0">
<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"><code>static <a href="PaperClassLoaderStorage.html" title="interface in io.papermc.paper.plugin.provider.classloader">PaperClassLoaderStorage</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1"><code><a href="#instance()" class="member-name-link">instance</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1">
<div class="block">Access to the shared instance of the <code>PaperClassLoaderStorageAccess</code>.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="PluginClassLoaderGroup.html" title="interface in io.papermc.paper.plugin.provider.classloader">PluginClassLoaderGroup</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#registerAccessBackedGroup(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader,io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess)" class="member-name-link">registerAccessBackedGroup</a><wbr>(<a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader">ConfiguredPluginClassLoader</a>&nbsp;classLoader,
<a href="ClassLoaderAccess.html" title="interface in io.papermc.paper.plugin.provider.classloader">ClassLoaderAccess</a>&nbsp;access)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Registers a paper configured classloader into a new, access backed group.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="PluginClassLoaderGroup.html" title="interface in io.papermc.paper.plugin.provider.classloader">PluginClassLoaderGroup</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#registerOpenGroup(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader)" class="member-name-link">registerOpenGroup</a><wbr>(<a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader">ConfiguredPluginClassLoader</a>&nbsp;classLoader)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Registers a paper configured plugin classloader into a new open group, with full access to the global
plugin class loader group.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="PluginClassLoaderGroup.html" title="interface in io.papermc.paper.plugin.provider.classloader">PluginClassLoaderGroup</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#registerSpigotGroup(org.bukkit.plugin.java.PluginClassLoader)" class="member-name-link">registerSpigotGroup</a><wbr>(<a href="../../../../../../org/bukkit/plugin/java/PluginClassLoader.html" title="class in org.bukkit.plugin.java">PluginClassLoader</a>&nbsp;pluginClassLoader)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Registers a legacy spigot <a href="../../../../../../org/bukkit/plugin/java/PluginClassLoader.html" title="class in org.bukkit.plugin.java"><code>PluginClassLoader</code></a> into the loader storage, creating a group wrapping
the single plugin class loader with transitive access to the global group.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#registerUnsafePlugin(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader)" class="member-name-link">registerUnsafePlugin</a><wbr>(<a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader">ConfiguredPluginClassLoader</a>&nbsp;pluginLoader)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Registers a configured plugin class loader directly into the global group without adding it to
any existing groups.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#unregisterClassloader(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader)" class="member-name-link">unregisterClassloader</a><wbr>(<a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader">ConfiguredPluginClassLoader</a>&nbsp;configuredPluginClassLoader)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Unregisters a configured class loader from this storage.</div>
</div>
</div>
</div>
</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="instance()">
<h3>instance</h3>
<div class="member-signature"><span class="modifiers">static</span>&nbsp;<span class="return-type"><a href="PaperClassLoaderStorage.html" title="interface in io.papermc.paper.plugin.provider.classloader">PaperClassLoaderStorage</a></span>&nbsp;<span class="element-name">instance</span>()</div>
<div class="block">Access to the shared instance of the <code>PaperClassLoaderStorageAccess</code>.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the singleton instance of the <a href="PaperClassLoaderStorage.html" title="interface in io.papermc.paper.plugin.provider.classloader"><code>PaperClassLoaderStorage</code></a> used throughout the server</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="registerSpigotGroup(org.bukkit.plugin.java.PluginClassLoader)">
<h3>registerSpigotGroup</h3>
<div class="member-signature"><span class="return-type"><a href="PluginClassLoaderGroup.html" title="interface in io.papermc.paper.plugin.provider.classloader">PluginClassLoaderGroup</a></span>&nbsp;<span class="element-name">registerSpigotGroup</span><wbr><span class="parameters">(<a href="../../../../../../org/bukkit/plugin/java/PluginClassLoader.html" title="class in org.bukkit.plugin.java">PluginClassLoader</a>&nbsp;pluginClassLoader)</span></div>
<div class="block">Registers a legacy spigot <a href="../../../../../../org/bukkit/plugin/java/PluginClassLoader.html" title="class in org.bukkit.plugin.java"><code>PluginClassLoader</code></a> into the loader storage, creating a group wrapping
the single plugin class loader with transitive access to the global group.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>pluginClassLoader</code> - the legacy spigot plugin class loader to register</dd>
<dt>Returns:</dt>
<dd>the group the plugin class loader was placed into</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="registerOpenGroup(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader)">
<h3>registerOpenGroup</h3>
<div class="member-signature"><span class="return-type"><a href="PluginClassLoaderGroup.html" title="interface in io.papermc.paper.plugin.provider.classloader">PluginClassLoaderGroup</a></span>&nbsp;<span class="element-name">registerOpenGroup</span><wbr><span class="parameters">(<a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader">ConfiguredPluginClassLoader</a>&nbsp;classLoader)</span></div>
<div class="block">Registers a paper configured plugin classloader into a new open group, with full access to the global
plugin class loader group.
<p>
This method hence allows the configured plugin class loader to access all other class loaders registered in this
storage.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>classLoader</code> - the configured plugin class loader to register</dd>
<dt>Returns:</dt>
<dd>the group the plugin class loader was placed into</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="registerAccessBackedGroup(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader,io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess)">
<h3>registerAccessBackedGroup</h3>
<div class="member-signature"><span class="return-type"><a href="PluginClassLoaderGroup.html" title="interface in io.papermc.paper.plugin.provider.classloader">PluginClassLoaderGroup</a></span>&nbsp;<span class="element-name">registerAccessBackedGroup</span><wbr><span class="parameters">(<a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader">ConfiguredPluginClassLoader</a>&nbsp;classLoader,
<a href="ClassLoaderAccess.html" title="interface in io.papermc.paper.plugin.provider.classloader">ClassLoaderAccess</a>&nbsp;access)</span></div>
<div class="block">Registers a paper configured classloader into a new, access backed group.
The access backed classloader group, different from an open group, only has access to the classloaders
the passed <a href="ClassLoaderAccess.html" title="interface in io.papermc.paper.plugin.provider.classloader"><code>ClassLoaderAccess</code></a> grants access to.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>classLoader</code> - the configured plugin class loader to register</dd>
<dd><code>access</code> - the class loader access that defines what other classloaders the passed plugin class loader
should be granted access to.</dd>
<dt>Returns:</dt>
<dd>the group the plugin class loader was placed into.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="unregisterClassloader(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader)">
<h3>unregisterClassloader</h3>
<div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">unregisterClassloader</span><wbr><span class="parameters">(<a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader">ConfiguredPluginClassLoader</a>&nbsp;configuredPluginClassLoader)</span></div>
<div class="block">Unregisters a configured class loader from this storage.
This removes the passed class loaders from any group it may have been a part of, including the global group.
<p>
Note: this method is <b>highly</b> discouraged from being used, as mutation of the classloaders at runtime
is not encouraged</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>configuredPluginClassLoader</code> - the class loader to remove from this storage.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="registerUnsafePlugin(io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader)">
<h3>registerUnsafePlugin</h3>
<div class="member-signature"><span class="return-type">boolean</span>&nbsp;<span class="element-name">registerUnsafePlugin</span><wbr><span class="parameters">(<a href="ConfiguredPluginClassLoader.html" title="interface in io.papermc.paper.plugin.provider.classloader">ConfiguredPluginClassLoader</a>&nbsp;pluginLoader)</span></div>
<div class="block">Registers a configured plugin class loader directly into the global group without adding it to
any existing groups.
<p>
Note: this method unsafely injects the plugin classloader directly into the global group, which bypasses the
group structure paper's plugin API introduced. This method should hence be used with caution.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>pluginLoader</code> - the configured plugin classloader instance that should be registered directly into the global
group.</dd>
<dt>Returns:</dt>
<dd>a simple boolean flag, <code>true</code> if the classloader was registered or <code>false</code> if the classloader
was already part of the global group.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
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