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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.google.android.exoplayer2.util</a></div>
<h2 title="Class RunnableFutureTask" class="title">Class RunnableFutureTask&lt;R,&#8203;E extends <a href="https://developer.android.com/reference/java/lang/Exception.html" title="class or interface in java.lang" class="externalLink" target="_top">Exception</a>&gt;</h2>
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<li>com.google.android.exoplayer2.util.RunnableFutureTask&lt;R,&#8203;E&gt;</li>
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<dd><code><a href="https://developer.android.com/reference/java/lang/Runnable.html" title="class or interface in java.lang" class="externalLink">Runnable</a></code>, <code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent" class="externalLink">Future</a>&lt;R&gt;</code>, <code><a href="https://developer.android.com/reference/java/util/concurrent/RunnableFuture.html?is-external=true" title="class or interface in java.util.concurrent" class="externalLink" target="_top">RunnableFuture</a>&lt;R&gt;</code></dd>
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<pre>public abstract class <span class="typeNameLabel">RunnableFutureTask&lt;R,&#8203;E extends <a href="https://developer.android.com/reference/java/lang/Exception.html" title="class or interface in java.lang" class="externalLink" target="_top">Exception</a>&gt;</span>
extends <a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">Object</a>
implements <a href="https://developer.android.com/reference/java/util/concurrent/RunnableFuture.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top">RunnableFuture</a>&lt;R&gt;</pre>
<div class="block">A <a href="https://developer.android.com/reference/java/util/concurrent/RunnableFuture.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top"><code>RunnableFuture</code></a> that supports additional uninterruptible operations to query whether
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<td class="colFirst"><code>protected </code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">RunnableFutureTask</a></span>()</code></th>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#blockUntilFinished()">blockUntilFinished</a></span>()</code></th>
<td class="colLast">
<div class="block">Blocks until the task has finished, or has been canceled without having been started.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#blockUntilStarted()">blockUntilStarted</a></span>()</code></th>
<td class="colLast">
<div class="block">Blocks until the task has started, or has been canceled without having been started.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cancel(boolean)">cancel</a></span>&#8203;(boolean&nbsp;interruptIfRunning)</code></th>
<td class="colLast">&nbsp;</td>
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<div class="block">Cancels any work being done by <a href="#doWork()"><code>doWork()</code></a>.</div>
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<td class="colFirst"><code>protected abstract <a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">R</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#doWork()">doWork</a></span>()</code></th>
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<div class="block">Performs the work or computation.</div>
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<td class="colFirst"><code><a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">R</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get()">get</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">R</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(long,java.util.concurrent.TimeUnit)">get</a></span>&#8203;(long&nbsp;timeout,
<a href="https://developer.android.com/reference/java/util/concurrent/TimeUnit.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top">TimeUnit</a>&nbsp;unit)</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCancelled()">isCancelled</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDone()">isDone</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
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<h4>RunnableFutureTask</h4>
<pre>protected&nbsp;RunnableFutureTask()</pre>
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<h4>blockUntilStarted</h4>
<pre class="methodSignature">public final&nbsp;void&nbsp;blockUntilStarted()</pre>
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<pre class="methodSignature">public final&nbsp;void&nbsp;blockUntilFinished()</pre>
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<h4>get</h4>
<pre class="methodSignature">public final&nbsp;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">R</a>&nbsp;get()
throws <a href="https://developer.android.com/reference/java/util/concurrent/ExecutionException.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top">ExecutionException</a>,
<a href="https://developer.android.com/reference/java/lang/InterruptedException.html" title="class or interface in java.lang" class="externalLink" target="_top">InterruptedException</a></pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html#get()" title="class or interface in java.util.concurrent" class="externalLink">get</a></code>&nbsp;in interface&nbsp;<code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent" class="externalLink">Future</a>&lt;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask" target="_top">R</a>&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/ExecutionException.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top">ExecutionException</a></code></dd>
<dd><code><a href="https://developer.android.com/reference/java/lang/InterruptedException.html" title="class or interface in java.lang" class="externalLink" target="_top">InterruptedException</a></code></dd>
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<pre class="methodSignature">public final&nbsp;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">R</a>&nbsp;get&#8203;(long&nbsp;timeout,
<a href="https://developer.android.com/reference/java/util/concurrent/TimeUnit.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top">TimeUnit</a>&nbsp;unit)
throws <a href="https://developer.android.com/reference/java/util/concurrent/ExecutionException.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top">ExecutionException</a>,
<a href="https://developer.android.com/reference/java/lang/InterruptedException.html" title="class or interface in java.lang" class="externalLink" target="_top">InterruptedException</a>,
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html#get(long,java.util.concurrent.TimeUnit)" title="class or interface in java.util.concurrent" class="externalLink">get</a></code>&nbsp;in interface&nbsp;<code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent" class="externalLink">Future</a>&lt;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask" target="_top">R</a>&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/ExecutionException.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top">ExecutionException</a></code></dd>
<dd><code><a href="https://developer.android.com/reference/java/lang/InterruptedException.html" title="class or interface in java.lang" class="externalLink" target="_top">InterruptedException</a></code></dd>
<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/TimeoutException.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top">TimeoutException</a></code></dd>
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<h4>cancel</h4>
<pre class="methodSignature">public final&nbsp;boolean&nbsp;cancel&#8203;(boolean&nbsp;interruptIfRunning)</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html#cancel(boolean)" title="class or interface in java.util.concurrent" class="externalLink">cancel</a></code>&nbsp;in interface&nbsp;<code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent" class="externalLink">Future</a>&lt;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask" target="_top">R</a>&gt;</code></dd>
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<pre class="methodSignature">public final&nbsp;boolean&nbsp;isDone()</pre>
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<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html#isDone()" title="class or interface in java.util.concurrent" class="externalLink">isDone</a></code>&nbsp;in interface&nbsp;<code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent" class="externalLink">Future</a>&lt;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask" target="_top">R</a>&gt;</code></dd>
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<pre class="methodSignature">public final&nbsp;boolean&nbsp;isCancelled()</pre>
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<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html#isCancelled()" title="class or interface in java.util.concurrent" class="externalLink">isCancelled</a></code>&nbsp;in interface&nbsp;<code><a href="https://developer.android.com/reference/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent" class="externalLink">Future</a>&lt;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask" target="_top">R</a>&gt;</code></dd>
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<h4>run</h4>
<pre class="methodSignature">public final&nbsp;void&nbsp;run()</pre>
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<dd><code><a href="https://developer.android.com/reference/java/lang/Runnable.html#run()" title="class or interface in java.lang" class="externalLink">run</a></code>&nbsp;in interface&nbsp;<code><a href="https://developer.android.com/reference/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_top">Runnable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/util/concurrent/RunnableFuture.html#run()" title="class or interface in java.util.concurrent" class="externalLink">run</a></code>&nbsp;in interface&nbsp;<code><a href="https://developer.android.com/reference/java/util/concurrent/RunnableFuture.html?is-external=true" title="class or interface in java.util.concurrent" class="externalLink">RunnableFuture</a>&lt;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask" target="_top">R</a>&gt;</code></dd>
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<h4>doWork</h4>
<pre class="methodSignature">protected abstract&nbsp;<a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">R</a>&nbsp;doWork()
throws <a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">E</a> extends <a href="https://developer.android.com/reference/java/lang/Exception.html" title="class or interface in java.lang" class="externalLink" target="_top">Exception</a></pre>
<div class="block">Performs the work or computation.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The computed result.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">E</a></code> - If an error occurred.</dd>
<dd><code><a href="RunnableFutureTask.html" title="type parameter in RunnableFutureTask">E</a> extends <a href="https://developer.android.com/reference/java/lang/Exception.html" title="class or interface in java.lang" class="externalLink" target="_top">Exception</a></code></dd>
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<h4>cancelWork</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;cancelWork()</pre>
<div class="block">Cancels any work being done by <a href="#doWork()"><code>doWork()</code></a>. If <a href="#doWork()"><code>doWork()</code></a> is currently executing
then the thread on which it's executing may be interrupted immediately after this method
returns.
<p>The default implementation does nothing.</div>
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