Minestom/docs/net/minestom/server/data/DataImpl.html
2020-11-15 23:39:49 +01:00

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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">net.minestom.server.data</a></div>
<h1 title="Class DataImpl" class="title">Class DataImpl</h1>
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<div class="inheritance" title="Inheritance Tree">java.lang.Object
<div class="inheritance">net.minestom.server.data.DataImpl</div>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="NbtDataImpl.html" title="class in net.minestom.server.data">NbtDataImpl</a></code>, <code><a href="SerializableDataImpl.html" title="class in net.minestom.server.data">SerializableDataImpl</a></code></dd>
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<pre>public class <span class="typeNameLabel">DataImpl</span>
extends java.lang.Object
implements <a href="Data.html" title="interface in net.minestom.server.data">Data</a></pre>
<div class="block"><a href="Data.html" title="interface in net.minestom.server.data"><code>Data</code></a> implementation which uses a <code>ConcurrentHashMap</code>.</div>
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<h2>Field Summary</h2>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
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<tbody>
<tr class="altColor">
<td class="colFirst"><code>protected java.util.concurrent.ConcurrentHashMap&lt;java.lang.String,&#8203;java.lang.Object&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#data">data</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected java.util.concurrent.ConcurrentHashMap&lt;java.lang.String,&#8203;java.lang.Class&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#dataType">dataType</a></span></code></th>
<td class="colLast">
<div class="block">Data key = Class
Used to know the type of an element of this data object (for serialization purpose)</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="inheritedList">
<h3>Fields inherited from interface&nbsp;net.minestom.server.data.<a href="Data.html" title="interface in net.minestom.server.data">Data</a></h3>
<a id="fields.inherited.from.class.net.minestom.server.data.Data">
<!-- -->
</a><code><a href="Data.html#EMPTY">EMPTY</a></code></div>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">DataImpl</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor" id="i0">
<td class="colFirst"><code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#copy()">copy</a></span>()</code></th>
<td class="colLast">
<div class="block">Copies this data.</div>
</td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>&lt;T&gt;&nbsp;T</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(java.lang.String)">get</a></span>&#8203;(java.lang.String&nbsp;key)</code></th>
<td class="colLast">
<div class="block">Retrieves a value based on its key.</div>
</td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>java.util.Set&lt;java.lang.String&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKeys()">getKeys</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the list of data keys.</div>
</td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>&lt;T&gt;&nbsp;T</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOrDefault(java.lang.String,T)">getOrDefault</a></span>&#8203;(java.lang.String&nbsp;key,
T&nbsp;defaultValue)</code></th>
<td class="colLast">
<div class="block">Retrieves a value based on its key, give a default value if not found.</div>
</td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hasKey(java.lang.String)">hasKey</a></span>&#8203;(java.lang.String&nbsp;key)</code></th>
<td class="colLast">
<div class="block">Gets if the data has a key.</div>
</td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isEmpty()">isEmpty</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets if the data is empty or not.</div>
</td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>&lt;T&gt;&nbsp;void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#set(java.lang.String,T,java.lang.Class)">set</a></span>&#8203;(java.lang.String&nbsp;key,
T&nbsp;value,
java.lang.Class&lt;T&gt;&nbsp;type)</code></th>
<td class="colLast">
<div class="block">Assigns a value to a specific key.</div>
</td>
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</tbody>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<a id="methods.inherited.from.class.java.lang.Object">
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</a><code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></div>
<div class="inheritedList">
<h3>Methods inherited from interface&nbsp;net.minestom.server.data.<a href="Data.html" title="interface in net.minestom.server.data">Data</a></h3>
<a id="methods.inherited.from.class.net.minestom.server.data.Data">
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</a><code><a href="Data.html#set(java.lang.String,T)">set</a></code></div>
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<h3><a id="data">data</a></h3>
<div class="memberSignature"><span class="modifiers">protected final</span>&nbsp;<span class="returnType">java.util.concurrent.ConcurrentHashMap&lt;java.lang.String,&#8203;java.lang.Object&gt;</span>&nbsp;<span class="memberName">data</span></div>
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<section class="detail">
<h3><a id="dataType">dataType</a></h3>
<div class="memberSignature"><span class="modifiers">protected final</span>&nbsp;<span class="returnType">java.util.concurrent.ConcurrentHashMap&lt;java.lang.String,&#8203;java.lang.Class&gt;</span>&nbsp;<span class="memberName">dataType</span></div>
<div class="block">Data key = Class
Used to know the type of an element of this data object (for serialization purpose)</div>
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<h3><a id="&lt;init&gt;()">DataImpl</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="memberName">DataImpl</span>()</div>
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<h3><a id="set(java.lang.String,java.lang.Object,java.lang.Class)">
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</a><a id="set(java.lang.String,T,java.lang.Class)">set</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="typeParameters">&lt;T&gt;</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">set</span>&#8203;(<span class="arguments">@NotNull
java.lang.String&nbsp;key,
@Nullable
T&nbsp;value,
@Nullable
java.lang.Class&lt;T&gt;&nbsp;type)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="Data.html#set(java.lang.String,T,java.lang.Class)">Data</a></code></span></div>
<div class="block">Assigns a value to a specific key.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Data.html#set(java.lang.String,T,java.lang.Class)">set</a></code>&nbsp;in interface&nbsp;<code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></dd>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - the value generic</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key</dd>
<dd><code>value</code> - the value object, null to remove the key</dd>
<dd><code>type</code> - the value type, <a href="Data.html#set(java.lang.String,T)"><code>Data.set(String, Object)</code></a> can be used instead.
null if <code>value</code> is also null</dd>
</dl>
</section>
</li>
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<h3><a id="get(java.lang.String)">get</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="typeParameters">&lt;T&gt;</span>&nbsp;<span class="returnType">T</span>&nbsp;<span class="memberName">get</span>&#8203;(<span class="arguments">@NotNull
java.lang.String&nbsp;key)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="Data.html#get(java.lang.String)">Data</a></code></span></div>
<div class="block">Retrieves a value based on its key.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Data.html#get(java.lang.String)">get</a></code>&nbsp;in interface&nbsp;<code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></dd>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - the value type</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the data associated with the key or null</dd>
</dl>
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<section class="detail">
<h3><a id="getOrDefault(java.lang.String,java.lang.Object)">
<!-- -->
</a><a id="getOrDefault(java.lang.String,T)">getOrDefault</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="typeParameters">&lt;T&gt;</span>&nbsp;<span class="returnType">T</span>&nbsp;<span class="memberName">getOrDefault</span>&#8203;(<span class="arguments">@NotNull
java.lang.String&nbsp;key,
T&nbsp;defaultValue)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="Data.html#getOrDefault(java.lang.String,T)">Data</a></code></span></div>
<div class="block">Retrieves a value based on its key, give a default value if not found.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Data.html#getOrDefault(java.lang.String,T)">getOrDefault</a></code>&nbsp;in interface&nbsp;<code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></dd>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - the value type</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key</dd>
<dd><code>defaultValue</code> - the value to return if the key is not found</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><a href="Data.html#get(java.lang.String)"><code>Data.get(String)</code></a> if found, <code>defaultValue</code> otherwise</dd>
</dl>
</section>
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<li class="blockList">
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<h3><a id="hasKey(java.lang.String)">hasKey</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">hasKey</span>&#8203;(<span class="arguments">@NotNull
java.lang.String&nbsp;key)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="Data.html#hasKey(java.lang.String)">Data</a></code></span></div>
<div class="block">Gets if the data has a key.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Data.html#hasKey(java.lang.String)">hasKey</a></code>&nbsp;in interface&nbsp;<code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key to check</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the data contains the key</dd>
</dl>
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<h3><a id="getKeys()">getKeys</a></h3>
<div class="memberSignature"><span class="annotations">@NotNull
</span><span class="modifiers">public</span>&nbsp;<span class="returnType">java.util.Set&lt;java.lang.String&gt;</span>&nbsp;<span class="memberName">getKeys</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="Data.html#getKeys()">Data</a></code></span></div>
<div class="block">Gets the list of data keys.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Data.html#getKeys()">getKeys</a></code>&nbsp;in interface&nbsp;<code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an unmodifiable <code>Set</code> containing all the keys</dd>
</dl>
</section>
</li>
<li class="blockList">
<section class="detail">
<h3><a id="isEmpty()">isEmpty</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">isEmpty</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="Data.html#isEmpty()">Data</a></code></span></div>
<div class="block">Gets if the data is empty or not.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Data.html#isEmpty()">isEmpty</a></code>&nbsp;in interface&nbsp;<code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the data does not contain anything, false otherwise</dd>
</dl>
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<h3><a id="copy()">copy</a></h3>
<div class="memberSignature"><span class="annotations">@NotNull
</span><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="Data.html" title="interface in net.minestom.server.data">Data</a></span>&nbsp;<span class="memberName">copy</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="Data.html#copy()">Data</a></code></span></div>
<div class="block">Copies this data.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="Data.html#copy()">copy</a></code>&nbsp;in interface&nbsp;<code><a href="Data.html" title="interface in net.minestom.server.data">Data</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a cloned data object</dd>
</dl>
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