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<h2 title="Class ComplexFutureAction" class="title">Class ComplexFutureAction<T></h2>
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<li>java.lang.Object</li>
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<li>org.apache.spark.ComplexFutureAction<T></li>
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<pre>public class <span class="strong">ComplexFutureAction<T></span>
extends java.lang.Object
implements <a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><T></pre>
<div class="block">A <a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark"><code>FutureAction</code></a> for actions that could trigger multiple Spark jobs. Examples include take,
takeSample. Cancellation works by setting the cancelled flag to true and interrupting the
action thread if it is being blocked by a job.</div>
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<code>scala.concurrent.Future.InternalCallbackExecutor$</code></li>
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<td class="colOne"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#ComplexFutureAction()">ComplexFutureAction</a></strong>()</code> </td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#cancel()">cancel</a></strong>()</code>
<div class="block">Cancels the execution of this action.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#isCancelled()">isCancelled</a></strong>()</code>
<div class="block">Returns whether the action has been cancelled.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#isCompleted()">isCompleted</a></strong>()</code>
<div class="block">Returns whether the action has already been completed with a value or an exception.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>scala.collection.Seq<java.lang.Object></code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#jobIds()">jobIds</a></strong>()</code>
<div class="block">Returns the job IDs run by the underlying async operation.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code><U> void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#onComplete(scala.Function1, scala.concurrent.ExecutionContext)">onComplete</a></strong>(scala.Function1<scala.util.Try<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>>,U> func,
scala.concurrent.ExecutionContext executor)</code>
<div class="block">When this action is completed, either through an exception, or a value, applies the provided
function.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code><a href="../../../org/apache/spark/ComplexFutureAction.html" title="class in org.apache.spark">ComplexFutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#ready(scala.concurrent.duration.Duration, scala.concurrent.CanAwait)">ready</a></strong>(scala.concurrent.duration.Duration atMost,
scala.concurrent.CanAwait permit)</code>
<div class="block">Blocks until this action completes.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code><a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a></code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#result(scala.concurrent.duration.Duration, scala.concurrent.CanAwait)">result</a></strong>(scala.concurrent.duration.Duration atMost,
scala.concurrent.CanAwait permit)</code>
<div class="block">Awaits and returns the result (of type T) of this action.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../org/apache/spark/ComplexFutureAction.html" title="class in org.apache.spark">ComplexFutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#run(scala.Function0, scala.concurrent.ExecutionContext)">run</a></strong>(scala.Function0<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>> func,
scala.concurrent.ExecutionContext executor)</code>
<div class="block">Executes some action enclosed in the closure.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><T,U,R> void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#runJob(org.apache.spark.rdd.RDD, scala.Function1, scala.collection.Seq, scala.Function2, scala.Function0)">runJob</a></strong>(<a href="../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><T> rdd,
scala.Function1<scala.collection.Iterator<T>,U> processPartition,
scala.collection.Seq<java.lang.Object> partitions,
scala.Function2<java.lang.Object,U,scala.runtime.BoxedUnit> resultHandler,
scala.Function0<R> resultFunc)</code>
<div class="block">Runs a Spark job.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>scala.Option<scala.util.Try<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>>></code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/ComplexFutureAction.html#value()">value</a></strong>()</code>
<div class="block">The value of this Future.</div>
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<h3>Methods inherited from interface org.apache.spark.<a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a></h3>
<code><a href="../../../org/apache/spark/FutureAction.html#get()">get</a></code></li>
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<h3>Methods inherited from interface scala.concurrent.Future</h3>
<code>andThen, collect, failed, fallbackTo, filter, flatMap, foreach, map, mapTo, onFailure, onSuccess, recover, recoverWith, transform, withFilter, zip</code></li>
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<h4>ComplexFutureAction</h4>
<pre>public ComplexFutureAction()</pre>
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<h4>cancel</h4>
<pre>public void cancel()</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../org/apache/spark/FutureAction.html#cancel()">FutureAction</a></code></strong></div>
<div class="block">Cancels the execution of this action.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../org/apache/spark/FutureAction.html#cancel()">cancel</a></code> in interface <code><a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
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<h4>run</h4>
<pre>public <a href="../../../org/apache/spark/ComplexFutureAction.html" title="class in org.apache.spark">ComplexFutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>> run(scala.Function0<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>> func,
scala.concurrent.ExecutionContext executor)</pre>
<div class="block">Executes some action enclosed in the closure. To properly enable cancellation, the closure
should use runJob implementation in this promise. See takeAsync for example.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>func</code> - (undocumented)</dd><dd><code>executor</code> - (undocumented)</dd>
<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
</li>
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<a name="runJob(org.apache.spark.rdd.RDD, scala.Function1, scala.collection.Seq, scala.Function2, scala.Function0)">
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<h4>runJob</h4>
<pre>public <T,U,R> void runJob(<a href="../../../org/apache/spark/rdd/RDD.html" title="class in org.apache.spark.rdd">RDD</a><T> rdd,
scala.Function1<scala.collection.Iterator<T>,U> processPartition,
scala.collection.Seq<java.lang.Object> partitions,
scala.Function2<java.lang.Object,U,scala.runtime.BoxedUnit> resultHandler,
scala.Function0<R> resultFunc)</pre>
<div class="block">Runs a Spark job. This is a wrapper around the same functionality provided by SparkContext
to enable cancellation.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>rdd</code> - (undocumented)</dd><dd><code>processPartition</code> - (undocumented)</dd><dd><code>partitions</code> - (undocumented)</dd><dd><code>resultHandler</code> - (undocumented)</dd><dd><code>resultFunc</code> - (undocumented)</dd></dl>
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<h4>isCancelled</h4>
<pre>public boolean isCancelled()</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../org/apache/spark/FutureAction.html#isCancelled()">FutureAction</a></code></strong></div>
<div class="block">Returns whether the action has been cancelled.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../org/apache/spark/FutureAction.html#isCancelled()">isCancelled</a></code> in interface <code><a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
</li>
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<a name="ready(scala.concurrent.duration.Duration, scala.concurrent.CanAwait)">
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<h4>ready</h4>
<pre>public <a href="../../../org/apache/spark/ComplexFutureAction.html" title="class in org.apache.spark">ComplexFutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>> ready(scala.concurrent.duration.Duration atMost,
scala.concurrent.CanAwait permit)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../org/apache/spark/FutureAction.html#ready(scala.concurrent.duration.Duration, scala.concurrent.CanAwait)">FutureAction</a></code></strong></div>
<div class="block">Blocks until this action completes.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../org/apache/spark/FutureAction.html#ready(scala.concurrent.duration.Duration, scala.concurrent.CanAwait)">ready</a></code> in interface <code><a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code>ready</code> in interface <code>scala.concurrent.Awaitable<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>atMost</code> - maximum wait time, which may be negative (no waiting is done), Duration.Inf
for unbounded waiting, or a finite positive duration</dd><dd><code>permit</code> - (undocumented)</dd>
<dt><span class="strong">Returns:</span></dt><dd>this FutureAction</dd></dl>
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<h4>result</h4>
<pre>public <a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a> result(scala.concurrent.duration.Duration atMost,
scala.concurrent.CanAwait permit)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../org/apache/spark/FutureAction.html#result(scala.concurrent.duration.Duration, scala.concurrent.CanAwait)">FutureAction</a></code></strong></div>
<div class="block">Awaits and returns the result (of type T) of this action.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../org/apache/spark/FutureAction.html#result(scala.concurrent.duration.Duration, scala.concurrent.CanAwait)">result</a></code> in interface <code><a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code>result</code> in interface <code>scala.concurrent.Awaitable<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>atMost</code> - maximum wait time, which may be negative (no waiting is done), Duration.Inf
for unbounded waiting, or a finite positive duration</dd><dd><code>permit</code> - (undocumented)</dd>
<dt><span class="strong">Returns:</span></dt><dd>the result value if the action is completed within the specific maximum wait time</dd></dl>
</li>
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<pre>public <U> void onComplete(scala.Function1<scala.util.Try<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>>,U> func,
scala.concurrent.ExecutionContext executor)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../org/apache/spark/FutureAction.html#onComplete(scala.Function1, scala.concurrent.ExecutionContext)">FutureAction</a></code></strong></div>
<div class="block">When this action is completed, either through an exception, or a value, applies the provided
function.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../org/apache/spark/FutureAction.html#onComplete(scala.Function1, scala.concurrent.ExecutionContext)">onComplete</a></code> in interface <code><a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code>onComplete</code> in interface <code>scala.concurrent.Future<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>func</code> - (undocumented)</dd><dd><code>executor</code> - (undocumented)</dd></dl>
</li>
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<a name="isCompleted()">
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<h4>isCompleted</h4>
<pre>public boolean isCompleted()</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../org/apache/spark/FutureAction.html#isCompleted()">FutureAction</a></code></strong></div>
<div class="block">Returns whether the action has already been completed with a value or an exception.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../org/apache/spark/FutureAction.html#isCompleted()">isCompleted</a></code> in interface <code><a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code>isCompleted</code> in interface <code>scala.concurrent.Future<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
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<h4>value</h4>
<pre>public scala.Option<scala.util.Try<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>>> value()</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../org/apache/spark/FutureAction.html#value()">FutureAction</a></code></strong></div>
<div class="block">The value of this Future.
<p>
If the future is not completed the returned value will be None. If the future is completed
the value will be Some(Success(t)) if it contains a valid result, or Some(Failure(error)) if
it contains an exception.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../org/apache/spark/FutureAction.html#value()">value</a></code> in interface <code><a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code>value</code> in interface <code>scala.concurrent.Future<<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
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<h4>jobIds</h4>
<pre>public scala.collection.Seq<java.lang.Object> jobIds()</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../org/apache/spark/FutureAction.html#jobIds()">FutureAction</a></code></strong></div>
<div class="block">Returns the job IDs run by the underlying async operation.
<p>
This returns the current snapshot of the job list. Certain operations may run multiple
jobs, so multiple calls to this method may return different lists.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../org/apache/spark/FutureAction.html#jobIds()">jobIds</a></code> in interface <code><a href="../../../org/apache/spark/FutureAction.html" title="interface in org.apache.spark">FutureAction</a><<a href="../../../org/apache/spark/ComplexFutureAction.html" title="type parameter in ComplexFutureAction">T</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
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