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<div class="subTitle">javafx.beans.binding</div>
<h2 title="Class ObjectBinding" class="title">Class ObjectBinding&lt;T&gt;</h2>
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<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li><a href="../../../javafx/beans/binding/ObjectExpression.html" title="class in javafx.beans.binding">javafx.beans.binding.ObjectExpression</a>&lt;T&gt;</li>
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<ul class="inheritance">
<li>javafx.beans.binding.ObjectBinding&lt;T&gt;</li>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - the type of the wrapped <code>Object</code></dd>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../javafx/beans/binding/Binding.html" title="interface in javafx.beans.binding">Binding</a>&lt;T&gt;, <a href="../../../javafx/beans/Observable.html" title="interface in javafx.beans">Observable</a>, <a href="../../../javafx/beans/value/ObservableObjectValue.html" title="interface in javafx.beans.value">ObservableObjectValue</a>&lt;T&gt;, <a href="../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a>&lt;T&gt;</dd>
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<pre>public abstract class <span class="typeNameLabel">ObjectBinding&lt;T&gt;</span>
extends <a href="../../../javafx/beans/binding/ObjectExpression.html" title="class in javafx.beans.binding">ObjectExpression</a>&lt;T&gt;
implements <a href="../../../javafx/beans/binding/Binding.html" title="interface in javafx.beans.binding">Binding</a>&lt;T&gt;</pre>
<div class="block">Base class that provides most of the functionality needed to implement a
 <a href="../../../javafx/beans/binding/Binding.html" title="interface in javafx.beans.binding"><code>Binding</code></a> of an <code>Object</code>.
 <p>
 <code>ObjectBinding</code> provides a simple invalidation-scheme. An extending
 class can register dependencies by calling <a href="../../../javafx/beans/binding/ObjectBinding.html#bind-javafx.beans.Observable...-"><code>bind(Observable...)</code></a>.
 If One of the registered dependencies becomes invalid, this
 <code>ObjectBinding</code> is marked as invalid. With
 <a href="../../../javafx/beans/binding/ObjectBinding.html#unbind-javafx.beans.Observable...-"><code>unbind(Observable...)</code></a> listening to dependencies can be stopped.
 <p>
 To provide a concrete implementation of this class, the method
 <a href="../../../javafx/beans/binding/ObjectBinding.html#computeValue--"><code>computeValue()</code></a> has to be implemented to calculate the value of this
 binding based on the current state of the dependencies. It is called when
 <a href="../../../javafx/beans/binding/ObjectBinding.html#get--"><code>get()</code></a> is called for an invalid binding.
 <p>
 See <a href="../../../javafx/beans/binding/DoubleBinding.html" title="class in javafx.beans.binding"><code>DoubleBinding</code></a> for an example how this base class can be extended.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JavaFX 2.0</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/beans/binding/Binding.html" title="interface in javafx.beans.binding"><code>Binding</code></a>, 
<a href="../../../javafx/beans/binding/ObjectExpression.html" title="class in javafx.beans.binding"><code>ObjectExpression</code></a></dd>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#ObjectBinding--">ObjectBinding</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#addListener-javafx.beans.value.ChangeListener-">addListener</a></span>(<a href="../../../javafx/beans/value/ChangeListener.html" title="interface in javafx.beans.value">ChangeListener</a>&lt;? super <a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;&nbsp;listener)</code>
<div class="block">Adds a <a href="../../../javafx/beans/value/ChangeListener.html" title="interface in javafx.beans.value"><code>ChangeListener</code></a> which will be notified whenever the value
 of the <code>ObservableValue</code> changes.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#addListener-javafx.beans.InvalidationListener-">addListener</a></span>(<a href="../../../javafx/beans/InvalidationListener.html" title="interface in javafx.beans">InvalidationListener</a>&nbsp;listener)</code>
<div class="block">Adds an <a href="../../../javafx/beans/InvalidationListener.html" title="interface in javafx.beans"><code>InvalidationListener</code></a> which will be notified whenever the
 <code>Observable</code> becomes invalid.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#bind-javafx.beans.Observable...-">bind</a></span>(<a href="../../../javafx/beans/Observable.html" title="interface in javafx.beans">Observable</a>...&nbsp;dependencies)</code>
<div class="block">Start observing the dependencies for changes.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected abstract <a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#computeValue--">computeValue</a></span>()</code>
<div class="block">Calculates the current value of this binding.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#dispose--">dispose</a></span>()</code>
<div class="block">A default implementation of <code>dispose()</code> that is empty.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#get--">get</a></span>()</code>
<div class="block">Returns the result of <a href="../../../javafx/beans/binding/ObjectBinding.html#computeValue--"><code>computeValue()</code></a>.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../javafx/collections/ObservableList.html" title="interface in javafx.collections">ObservableList</a>&lt;?&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#getDependencies--">getDependencies</a></span>()</code>
<div class="block">A default implementation of <code>getDependencies()</code> that returns an
 empty <a href="../../../javafx/collections/ObservableList.html" title="interface in javafx.collections"><code>ObservableList</code></a>.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#invalidate--">invalidate</a></span>()</code>
<div class="block">Mark a binding as invalid.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#isValid--">isValid</a></span>()</code>
<div class="block">Checks if a binding is valid.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#onInvalidating--">onInvalidating</a></span>()</code>
<div class="block">The method onInvalidating() can be overridden by extending classes to
 react, if this binding becomes invalid.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#removeListener-javafx.beans.value.ChangeListener-">removeListener</a></span>(<a href="../../../javafx/beans/value/ChangeListener.html" title="interface in javafx.beans.value">ChangeListener</a>&lt;? super <a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;&nbsp;listener)</code>
<div class="block">Removes the given listener from the list of listeners, that are notified
 whenever the value of the <code>ObservableValue</code> changes.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#removeListener-javafx.beans.InvalidationListener-">removeListener</a></span>(<a href="../../../javafx/beans/InvalidationListener.html" title="interface in javafx.beans">InvalidationListener</a>&nbsp;listener)</code>
<div class="block">Removes the given listener from the list of listeners, that are notified
 whenever the value of the <code>Observable</code> becomes invalid.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#toString--">toString</a></span>()</code>
<div class="block">Returns a string representation of this <code>ObjectBinding</code> object.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/beans/binding/ObjectBinding.html#unbind-javafx.beans.Observable...-">unbind</a></span>(<a href="../../../javafx/beans/Observable.html" title="interface in javafx.beans">Observable</a>...&nbsp;dependencies)</code>
<div class="block">Stop observing the dependencies for changes.</div>
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<h3>Methods inherited from class&nbsp;javafx.beans.binding.<a href="../../../javafx/beans/binding/ObjectExpression.html" title="class in javafx.beans.binding">ObjectExpression</a></h3>
<code><a href="../../../javafx/beans/binding/ObjectExpression.html#asString--">asString</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#asString-java.util.Locale-java.lang.String-">asString</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#asString-java.lang.String-">asString</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#getValue--">getValue</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#isEqualTo-java.lang.Object-">isEqualTo</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#isEqualTo-javafx.beans.value.ObservableObjectValue-">isEqualTo</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#isNotEqualTo-java.lang.Object-">isNotEqualTo</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#isNotEqualTo-javafx.beans.value.ObservableObjectValue-">isNotEqualTo</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#isNotNull--">isNotNull</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#isNull--">isNull</a>, <a href="../../../javafx/beans/binding/ObjectExpression.html#objectExpression-javafx.beans.value.ObservableObjectValue-">objectExpression</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<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#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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<h3>Methods inherited from interface&nbsp;javafx.beans.value.<a href="../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a></h3>
<code><a href="../../../javafx/beans/value/ObservableValue.html#getValue--">getValue</a></code></li>
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<h4>ObjectBinding</h4>
<pre>public&nbsp;ObjectBinding()</pre>
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<h4>addListener</h4>
<pre>public&nbsp;void&nbsp;addListener(<a href="../../../javafx/beans/InvalidationListener.html" title="interface in javafx.beans">InvalidationListener</a>&nbsp;listener)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../javafx/beans/Observable.html#addListener-javafx.beans.InvalidationListener-">Observable</a></code></span></div>
<div class="block">Adds an <a href="../../../javafx/beans/InvalidationListener.html" title="interface in javafx.beans"><code>InvalidationListener</code></a> which will be notified whenever the
 <code>Observable</code> becomes invalid. If the same
 listener is added more than once, then it will be notified more than
 once. That is, no check is made to ensure uniqueness.
 <p>
 Note that the same actual <code>InvalidationListener</code> instance may be
 safely registered for different <code>Observables</code>.
 <p>
 The <code>Observable</code> stores a strong reference to the listener
 which will prevent the listener from being garbage collected and may
 result in a memory leak. It is recommended to either unregister a
 listener by calling <a href="../../../javafx/beans/Observable.html#removeListener-javafx.beans.InvalidationListener-"><code>removeListener</code></a> after use or to use an instance of
 <a href="../../../javafx/beans/WeakInvalidationListener.html" title="class in javafx.beans"><code>WeakInvalidationListener</code></a> avoid this situation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/Observable.html#addListener-javafx.beans.InvalidationListener-">addListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/Observable.html" title="interface in javafx.beans">Observable</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>listener</code> - The listener to register</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/beans/Observable.html#removeListener-javafx.beans.InvalidationListener-"><code>Observable.removeListener(InvalidationListener)</code></a></dd>
</dl>
</li>
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<h4>removeListener</h4>
<pre>public&nbsp;void&nbsp;removeListener(<a href="../../../javafx/beans/InvalidationListener.html" title="interface in javafx.beans">InvalidationListener</a>&nbsp;listener)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../javafx/beans/Observable.html#removeListener-javafx.beans.InvalidationListener-">Observable</a></code></span></div>
<div class="block">Removes the given listener from the list of listeners, that are notified
 whenever the value of the <code>Observable</code> becomes invalid.
 <p>
 If the given listener has not been previously registered (i.e. it was
 never added) then this method call is a no-op. If it had been previously
 added then it will be removed. If it had been added more than once, then
 only the first occurrence will be removed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/Observable.html#removeListener-javafx.beans.InvalidationListener-">removeListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/Observable.html" title="interface in javafx.beans">Observable</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>listener</code> - The listener to remove</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/beans/Observable.html#addListener-javafx.beans.InvalidationListener-"><code>Observable.addListener(InvalidationListener)</code></a></dd>
</dl>
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<h4>addListener</h4>
<pre>public&nbsp;void&nbsp;addListener(<a href="../../../javafx/beans/value/ChangeListener.html" title="interface in javafx.beans.value">ChangeListener</a>&lt;? super <a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;&nbsp;listener)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../javafx/beans/value/ObservableValue.html#addListener-javafx.beans.value.ChangeListener-">ObservableValue</a></code></span></div>
<div class="block">Adds a <a href="../../../javafx/beans/value/ChangeListener.html" title="interface in javafx.beans.value"><code>ChangeListener</code></a> which will be notified whenever the value
 of the <code>ObservableValue</code> changes. If the same listener is added
 more than once, then it will be notified more than once. That is, no
 check is made to ensure uniqueness.
 <p>
 Note that the same actual <code>ChangeListener</code> instance may be safely
 registered for different <code>ObservableValues</code>.
 <p>
 The <code>ObservableValue</code> stores a strong reference to the listener
 which will prevent the listener from being garbage collected and may
 result in a memory leak. It is recommended to either unregister a
 listener by calling <a href="../../../javafx/beans/value/ObservableValue.html#removeListener-javafx.beans.value.ChangeListener-"><code>removeListener</code></a> after use or to use an instance of
 <a href="../../../javafx/beans/value/WeakChangeListener.html" title="class in javafx.beans.value"><code>WeakChangeListener</code></a> avoid this situation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/value/ObservableValue.html#addListener-javafx.beans.value.ChangeListener-">addListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a>&lt;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>listener</code> - The listener to register</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/beans/value/ObservableValue.html#removeListener-javafx.beans.value.ChangeListener-"><code>ObservableValue.removeListener(ChangeListener)</code></a></dd>
</dl>
</li>
</ul>
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<h4>removeListener</h4>
<pre>public&nbsp;void&nbsp;removeListener(<a href="../../../javafx/beans/value/ChangeListener.html" title="interface in javafx.beans.value">ChangeListener</a>&lt;? super <a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;&nbsp;listener)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../javafx/beans/value/ObservableValue.html#removeListener-javafx.beans.value.ChangeListener-">ObservableValue</a></code></span></div>
<div class="block">Removes the given listener from the list of listeners, that are notified
 whenever the value of the <code>ObservableValue</code> changes.
 <p>
 If the given listener has not been previously registered (i.e. it was
 never added) then this method call is a no-op. If it had been previously
 added then it will be removed. If it had been added more than once, then
 only the first occurrence will be removed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/value/ObservableValue.html#removeListener-javafx.beans.value.ChangeListener-">removeListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/value/ObservableValue.html" title="interface in javafx.beans.value">ObservableValue</a>&lt;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>listener</code> - The listener to remove</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/beans/value/ObservableValue.html#addListener-javafx.beans.value.ChangeListener-"><code>ObservableValue.addListener(ChangeListener)</code></a></dd>
</dl>
</li>
</ul>
<a name="bind-javafx.beans.Observable...-">
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<h4>bind</h4>
<pre>protected final&nbsp;void&nbsp;bind(<a href="../../../javafx/beans/Observable.html" title="interface in javafx.beans">Observable</a>...&nbsp;dependencies)</pre>
<div class="block">Start observing the dependencies for changes. If the value of one of the
 dependencies changes, the binding is marked as invalid.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dependencies</code> - the dependencies to observe</dd>
</dl>
</li>
</ul>
<a name="unbind-javafx.beans.Observable...-">
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<h4>unbind</h4>
<pre>protected final&nbsp;void&nbsp;unbind(<a href="../../../javafx/beans/Observable.html" title="interface in javafx.beans">Observable</a>...&nbsp;dependencies)</pre>
<div class="block">Stop observing the dependencies for changes.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dependencies</code> - the dependencies to stop observing</dd>
</dl>
</li>
</ul>
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<h4>dispose</h4>
<pre>public&nbsp;void&nbsp;dispose()</pre>
<div class="block">A default implementation of <code>dispose()</code> that is empty.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/binding/Binding.html#dispose--">dispose</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/binding/Binding.html" title="interface in javafx.beans.binding">Binding</a>&lt;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;</code></dd>
</dl>
</li>
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<h4>getDependencies</h4>
<pre>public&nbsp;<a href="../../../javafx/collections/ObservableList.html" title="interface in javafx.collections">ObservableList</a>&lt;?&gt;&nbsp;getDependencies()</pre>
<div class="block">A default implementation of <code>getDependencies()</code> that returns an
 empty <a href="../../../javafx/collections/ObservableList.html" title="interface in javafx.collections"><code>ObservableList</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/binding/Binding.html#getDependencies--">getDependencies</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/binding/Binding.html" title="interface in javafx.beans.binding">Binding</a>&lt;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an empty <code>ObservableList</code></dd>
</dl>
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<h4>get</h4>
<pre>public final&nbsp;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&nbsp;get()</pre>
<div class="block">Returns the result of <a href="../../../javafx/beans/binding/ObjectBinding.html#computeValue--"><code>computeValue()</code></a>. The method
 <code>computeValue()</code> is only called if the binding is invalid. The
 result is cached and returned if the binding did not become invalid since
 the last call of <code>get()</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/value/ObservableObjectValue.html#get--">get</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/value/ObservableObjectValue.html" title="interface in javafx.beans.value">ObservableObjectValue</a>&lt;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current value</dd>
</dl>
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<h4>onInvalidating</h4>
<pre>protected&nbsp;void&nbsp;onInvalidating()</pre>
<div class="block">The method onInvalidating() can be overridden by extending classes to
 react, if this binding becomes invalid. The default implementation is
 empty.</div>
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<h4>invalidate</h4>
<pre>public final&nbsp;void&nbsp;invalidate()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../javafx/beans/binding/Binding.html#invalidate--">Binding</a></code></span></div>
<div class="block">Mark a binding as invalid. This forces the recalculation of the value of
 the <code>Binding</code> next time it is request.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/binding/Binding.html#invalidate--">invalidate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/binding/Binding.html" title="interface in javafx.beans.binding">Binding</a>&lt;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;</code></dd>
</dl>
</li>
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<h4>isValid</h4>
<pre>public final&nbsp;boolean&nbsp;isValid()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../javafx/beans/binding/Binding.html#isValid--">Binding</a></code></span></div>
<div class="block">Checks if a binding is valid.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/beans/binding/Binding.html#isValid--">isValid</a></code>&nbsp;in interface&nbsp;<code><a href="../../../javafx/beans/binding/Binding.html" title="interface in javafx.beans.binding">Binding</a>&lt;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the <code>Binding</code> is valid, <code>false</code>
         otherwise</dd>
</dl>
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<h4>computeValue</h4>
<pre>protected abstract&nbsp;<a href="../../../javafx/beans/binding/ObjectBinding.html" title="type parameter in ObjectBinding">T</a>&nbsp;computeValue()</pre>
<div class="block">Calculates the current value of this binding.
 <p>
 Classes extending <code>ObjectBinding</code> have to provide an implementation
 of <code>computeValue</code>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current value</dd>
</dl>
</li>
</ul>
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<h4>toString</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
<div class="block">Returns a string representation of this <code>ObjectBinding</code> object.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><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></code>&nbsp;in class&nbsp;<code><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></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a string representation of this <code>ObjectBinding</code> object.</dd>
</dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
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