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<h2 title="Class MapValueFactory" class="title">Class MapValueFactory&lt;T&gt;</h2>
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<li>javafx.scene.control.cell.MapValueFactory&lt;T&gt;</li>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - The type of the class contained within the TableColumn cells.</dd>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../javafx/util/Callback.html" title="interface in javafx.util">Callback</a>&lt;<a href="../../../../javafx/scene/control/TableColumn.CellDataFeatures.html" title="class in javafx.scene.control">TableColumn.CellDataFeatures</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>,T&gt;,<a href="../../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a>&lt;T&gt;&gt;</dd>
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<pre>public class <span class="typeNameLabel">MapValueFactory&lt;T&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../javafx/util/Callback.html" title="interface in javafx.util">Callback</a>&lt;<a href="../../../../javafx/scene/control/TableColumn.CellDataFeatures.html" title="class in javafx.scene.control">TableColumn.CellDataFeatures</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>,T&gt;,<a href="../../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a>&lt;T&gt;&gt;</pre>
<div class="block">A convenience implementation of the Callback interface, designed specifically
 for use within the <a href="../../../../javafx/scene/control/TableColumn.html" title="class in javafx.scene.control"><code>TableColumn</code></a>
 <a href="../../../../javafx/scene/control/TableColumn.html#cellValueFactoryProperty--"><code>cell value factory</code></a>. An example
 of how to use this class is:

 <pre><code>
 ObservableList<Map> personsMapList = ...

 TableColumn&lt;Map, String&gt; firstNameColumn = new TableColumn&lt;Map, String&gt;("First Name");
 firstNameColumn.setCellValueFactory(new MapValueFactory&lt;String&gt;("firstName"));

 TableView<Map> table = new TableView<Map>(personMapList);
 tableView.getColumns().setAll(firstNameColumn);
 </code></pre>

 <p>In this example, there is a list of Map instances, where each Map instance
 representsa single row in the TableView. The "firstName" string is used as a
 key into this map, and the value corresponding to this key is returned, if
 one exists. If the value is an <a href="../../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value"><code>ObservableValue</code></a>, then this is returned
 directly, otherwise the value is wrapped in a <a href="../../../../javafx/beans/property/ReadOnlyObjectWrapper.html" title="class in javafx.beans.property"><code>ReadOnlyObjectWrapper</code></a>.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JavaFX 2.2</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../javafx/scene/control/TableColumn.html" title="class in javafx.scene.control"><code>TableColumn</code></a>, 
<a href="../../../../javafx/scene/control/TableView.html" title="class in javafx.scene.control"><code>TableView</code></a>, 
<a href="../../../../javafx/scene/control/TableCell.html" title="class in javafx.scene.control"><code>TableCell</code></a>, 
<a href="../../../../javafx/scene/control/cell/PropertyValueFactory.html" title="class in javafx.scene.control.cell"><code>PropertyValueFactory</code></a></dd>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../javafx/scene/control/cell/MapValueFactory.html#MapValueFactory-java.lang.Object-">MapValueFactory</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;key)</code>
<div class="block">Creates a default MapValueFactory, which will use the provided key to
 lookup the value for cells in the <a href="../../../../javafx/scene/control/TableColumn.html" title="class in javafx.scene.control"><code>TableColumn</code></a> in which this
 MapValueFactory is installed (via the
 <a href="../../../../javafx/scene/control/TableColumn.html#cellValueFactoryProperty--"><code>cell value factory</code></a> property.</div>
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<td class="colFirst"><code><a href="../../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a>&lt;<a href="../../../../javafx/scene/control/cell/MapValueFactory.html" title="type parameter in MapValueFactory">T</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javafx/scene/control/cell/MapValueFactory.html#call-javafx.scene.control.TableColumn.CellDataFeatures-">call</a></span>(<a href="../../../../javafx/scene/control/TableColumn.CellDataFeatures.html" title="class in javafx.scene.control">TableColumn.CellDataFeatures</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>,<a href="../../../../javafx/scene/control/cell/MapValueFactory.html" title="type parameter in MapValueFactory">T</a>&gt;&nbsp;cdf)</code>
<div class="block">The <code>call</code> method is called when required, and is given a
 single argument of type P, with a requirement that an object of type R
 is returned.</div>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>MapValueFactory</h4>
<pre>public&nbsp;MapValueFactory(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;key)</pre>
<div class="block">Creates a default MapValueFactory, which will use the provided key to
 lookup the value for cells in the <a href="../../../../javafx/scene/control/TableColumn.html" title="class in javafx.scene.control"><code>TableColumn</code></a> in which this
 MapValueFactory is installed (via the
 <a href="../../../../javafx/scene/control/TableColumn.html#cellValueFactoryProperty--"><code>cell value factory</code></a> property.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - The key to use to lookup the value in the <code>Map</code>.</dd>
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<h4>call</h4>
<pre>public&nbsp;<a href="../../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a>&lt;<a href="../../../../javafx/scene/control/cell/MapValueFactory.html" title="type parameter in MapValueFactory">T</a>&gt;&nbsp;call(<a href="../../../../javafx/scene/control/TableColumn.CellDataFeatures.html" title="class in javafx.scene.control">TableColumn.CellDataFeatures</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>,<a href="../../../../javafx/scene/control/cell/MapValueFactory.html" title="type parameter in MapValueFactory">T</a>&gt;&nbsp;cdf)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../javafx/util/Callback.html#call-P-">Callback</a></code></span></div>
<div class="block">The <code>call</code> method is called when required, and is given a
 single argument of type P, with a requirement that an object of type R
 is returned.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../javafx/util/Callback.html#call-P-">call</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../javafx/util/Callback.html" title="interface in javafx.util">Callback</a>&lt;<a href="../../../../javafx/scene/control/TableColumn.CellDataFeatures.html" title="class in javafx.scene.control">TableColumn.CellDataFeatures</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>,<a href="../../../../javafx/scene/control/cell/MapValueFactory.html" title="type parameter in MapValueFactory">T</a>&gt;,<a href="../../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a>&lt;<a href="../../../../javafx/scene/control/cell/MapValueFactory.html" title="type parameter in MapValueFactory">T</a>&gt;&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cdf</code> - The single argument upon which the returned value should be
      determined.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>An object of type R that may be determined based on the provided
      parameter value.</dd>
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