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1.19.2
2022-08-23 01:41:55 +00:00
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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.bukkit.persistence</a></div>
<h1 title="Interface PersistentDataContainer" class="title">Interface PersistentDataContainer</h1>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">PersistentDataContainer</span></div>
<div class="block">This interface represents a map like object, capable of storing custom tags
in it.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
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<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button></div>
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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-tab2 method-summary-table-tab3"><code>&lt;T,<wbr>
Z&gt;&nbsp;Z</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#get(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType)" class="member-name-link">get</a><wbr>(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataType.html" title="interface in org.bukkit.persistence">PersistentDataType</a>&lt;T,<wbr>Z&gt;&nbsp;type)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the metadata value that is stored on the
<a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> instance.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataAdapterContext.html" title="interface in org.bukkit.persistence">PersistentDataAdapterContext</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getAdapterContext()" class="member-name-link">getAdapterContext</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the adapter context this tag container uses.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</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="#getKeys()" class="member-name-link">getKeys</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Get a set of keys present on this <a href="PersistentDataContainer.html" title="interface in org.bukkit.persistence"><code>PersistentDataContainer</code></a>
instance.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>&lt;T,<wbr>
Z&gt;&nbsp;Z</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getOrDefault(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType,Z)" class="member-name-link">getOrDefault</a><wbr>(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataType.html" title="interface in org.bukkit.persistence">PersistentDataType</a>&lt;T,<wbr>Z&gt;&nbsp;type,
Z&nbsp;defaultValue)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the metadata value that is stored on the
<a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> instance.</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="#has(org.bukkit.NamespacedKey)" class="member-name-link">has</a><wbr>(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns if the persistent metadata provider has metadata registered
matching the provided key.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>&lt;T,<wbr>
Z&gt;&nbsp;boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#has(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType)" class="member-name-link">has</a><wbr>(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataType.html" title="interface in org.bukkit.persistence">PersistentDataType</a>&lt;T,<wbr>Z&gt;&nbsp;type)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns if the persistent metadata provider has metadata registered
matching the provided parameters.</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="#isEmpty()" class="member-name-link">isEmpty</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns if the container instance is empty, therefore has no entries
inside it.</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="#remove(org.bukkit.NamespacedKey)" class="member-name-link">remove</a><wbr>(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Removes a custom key from the <a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> instance.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>&lt;T,<wbr>
Z&gt;&nbsp;void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#set(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType,Z)" class="member-name-link">set</a><wbr>(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataType.html" title="interface in org.bukkit.persistence">PersistentDataType</a>&lt;T,<wbr>Z&gt;&nbsp;type,
Z&nbsp;value)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Stores a metadata value on the <a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> instance.</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="set(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType,Z)">
<h3 id="set(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType,java.lang.Object)">set</h3>
<div class="member-signature"><span class="type-parameters">&lt;T,<wbr>
Z&gt;</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">set</span><wbr><span class="parameters">(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataType.html" title="interface in org.bukkit.persistence">PersistentDataType</a>&lt;T,<wbr>Z&gt;&nbsp;type,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
Z&nbsp;value)</span></div>
<div class="block">Stores a metadata value on the <a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> instance.
<p>
This API cannot be used to manipulate minecraft data, as the values will
be stored using your namespace. This method will override any existing
value the <a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> may have stored under the provided
key.</div>
<dl class="notes">
<dt>Type Parameters:</dt>
<dd><code>T</code> - the generic java type of the tag value</dd>
<dd><code>Z</code> - the generic type of the object to store</dd>
<dt>Parameters:</dt>
<dd><code>key</code> - the key this value will be stored under</dd>
<dd><code>type</code> - the type this tag uses</dd>
<dd><code>value</code> - the value stored in the tag</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the key is null</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the type is null</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the value is null. Removing a tag should
be done using <a href="#remove(org.bukkit.NamespacedKey)"><code>remove(NamespacedKey)</code></a></dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if no suitable adapter will be found for
the <a href="PersistentDataType.html#getPrimitiveType()"><code>PersistentDataType.getPrimitiveType()</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="has(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType)">
<h3>has</h3>
<div class="member-signature"><span class="type-parameters">&lt;T,<wbr>
Z&gt;</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">has</span><wbr><span class="parameters">(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataType.html" title="interface in org.bukkit.persistence">PersistentDataType</a>&lt;T,<wbr>Z&gt;&nbsp;type)</span></div>
<div class="block">Returns if the persistent metadata provider has metadata registered
matching the provided parameters.
<p>
This method will only return if the found value has the same primitive
data type as the provided key.
<p>
Storing a value using a custom <a href="PersistentDataType.html" title="interface in org.bukkit.persistence"><code>PersistentDataType</code></a> implementation
will not store the complex data type. Therefore storing a UUID (by
storing a byte[]) will match has("key" ,
<a href="PersistentDataType.html#BYTE_ARRAY"><code>PersistentDataType.BYTE_ARRAY</code></a>). Likewise a stored byte[] will
always match your UUID <a href="PersistentDataType.html" title="interface in org.bukkit.persistence"><code>PersistentDataType</code></a> even if it is not 16
bytes long.
<p>
This method is only usable for custom object keys. Overwriting existing
tags, like the the display name, will not work as the values are stored
using your namespace.</div>
<dl class="notes">
<dt>Type Parameters:</dt>
<dd><code>T</code> - the generic type of the stored primitive</dd>
<dd><code>Z</code> - the generic type of the eventually created complex object</dd>
<dt>Parameters:</dt>
<dd><code>key</code> - the key the value is stored under</dd>
<dd><code>type</code> - the type which primitive storage type has to match the value</dd>
<dt>Returns:</dt>
<dd>if a value</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the key to look up is null</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the type to cast the found object to is
null</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="get(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType)">
<h3>get</h3>
<div class="member-signature"><span class="annotations"><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/Nullable.html" title="class or interface in org.jetbrains.annotations" class="external-link">@Nullable</a>
</span><span class="type-parameters">&lt;T,<wbr>
Z&gt;</span>&nbsp;<span class="return-type">Z</span>&nbsp;<span class="element-name">get</span><wbr><span class="parameters">(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataType.html" title="interface in org.bukkit.persistence">PersistentDataType</a>&lt;T,<wbr>Z&gt;&nbsp;type)</span></div>
<div class="block">Returns the metadata value that is stored on the
<a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> instance.</div>
<dl class="notes">
<dt>Type Parameters:</dt>
<dd><code>T</code> - the generic type of the stored primitive</dd>
<dd><code>Z</code> - the generic type of the eventually created complex object</dd>
<dt>Parameters:</dt>
<dd><code>key</code> - the key to look up in the custom tag map</dd>
<dd><code>type</code> - the type the value must have and will be casted to</dd>
<dt>Returns:</dt>
<dd>the value or <code>null</code> if no value was mapped under the given
value</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the key to look up is null</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the type to cast the found object to is
null</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if the value exists under the given key,
but cannot be access using the given type</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if no suitable adapter will be found for
the <a href="PersistentDataType.html#getPrimitiveType()"><code>PersistentDataType.getPrimitiveType()</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getOrDefault(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType,Z)">
<h3 id="getOrDefault(org.bukkit.NamespacedKey,org.bukkit.persistence.PersistentDataType,java.lang.Object)">getOrDefault</h3>
<div class="member-signature"><span class="annotations"><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
</span><span class="type-parameters">&lt;T,<wbr>
Z&gt;</span>&nbsp;<span class="return-type">Z</span>&nbsp;<span class="element-name">getOrDefault</span><wbr><span class="parameters">(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataType.html" title="interface in org.bukkit.persistence">PersistentDataType</a>&lt;T,<wbr>Z&gt;&nbsp;type,
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
Z&nbsp;defaultValue)</span></div>
<div class="block">Returns the metadata value that is stored on the
<a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> instance. If the value does not exist in the
container, the default value provided is returned.</div>
<dl class="notes">
<dt>Type Parameters:</dt>
<dd><code>T</code> - the generic type of the stored primitive</dd>
<dd><code>Z</code> - the generic type of the eventually created complex object</dd>
<dt>Parameters:</dt>
<dd><code>key</code> - the key to look up in the custom tag map</dd>
<dd><code>type</code> - the type the value must have and will be casted to</dd>
<dd><code>defaultValue</code> - the default value to return if no value was found for
the provided key</dd>
<dt>Returns:</dt>
<dd>the value or the default value if no value was mapped under the
given value</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the key to look up is null</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the type to cast the found object to is
null</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if the value exists under the given key,
but cannot be access using the given type</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if no suitable adapter will be found for
the <a href="PersistentDataType.html#getPrimitiveType()"><code>PersistentDataType.getPrimitiveType()</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getKeys()">
<h3>getKeys</h3>
<div class="member-signature"><span class="annotations"><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
</span><span class="return-type"><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&gt;</span>&nbsp;<span class="element-name">getKeys</span>()</div>
<div class="block">Get a set of keys present on this <a href="PersistentDataContainer.html" title="interface in org.bukkit.persistence"><code>PersistentDataContainer</code></a>
instance.
Any changes made to the returned set will not be reflected on the
instance.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the key set</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="remove(org.bukkit.NamespacedKey)">
<h3>remove</h3>
<div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">remove</span><wbr><span class="parameters">(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key)</span></div>
<div class="block">Removes a custom key from the <a href="PersistentDataHolder.html" title="interface in org.bukkit.persistence"><code>PersistentDataHolder</code></a> instance.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>key</code> - the key</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the provided key is null</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="isEmpty()">
<h3>isEmpty</h3>
<div class="member-signature"><span class="return-type">boolean</span>&nbsp;<span class="element-name">isEmpty</span>()</div>
<div class="block">Returns if the container instance is empty, therefore has no entries
inside it.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the boolean</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getAdapterContext()">
<h3>getAdapterContext</h3>
<div class="member-signature"><span class="annotations"><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
</span><span class="return-type"><a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="PersistentDataAdapterContext.html" title="interface in org.bukkit.persistence">PersistentDataAdapterContext</a></span>&nbsp;<span class="element-name">getAdapterContext</span>()</div>
<div class="block">Returns the adapter context this tag container uses.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the tag context</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="has(org.bukkit.NamespacedKey)">
<h3>has</h3>
<div class="member-signature"><span class="return-type">boolean</span>&nbsp;<span class="element-name">has</span><wbr><span class="parameters">(<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a>
<a href="https://javadoc.io/doc/org.jetbrains/annotations/23.0.0/org/jetbrains/annotations/NotNull.html" title="class or interface in org.jetbrains.annotations" class="external-link">@NotNull</a> <a href="../NamespacedKey.html" title="class in org.bukkit">NamespacedKey</a>&nbsp;key)</span></div>
<div class="block">Returns if the persistent metadata provider has metadata registered
matching the provided key.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>key</code> - the key for which existence should be checked.</dd>
<dt>Returns:</dt>
<dd>whether the key exists</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the key to look up is null</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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