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<h2 title="Interface ComputeTaskFuture" class="title">Interface ComputeTaskFuture&lt;R&gt;</h2>
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<dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>R</code> - Type of the task result returning from <a href="../../../../org/apache/ignite/compute/ComputeTask.html#reduce(java.util.List)"><code>ComputeTask.reduce(List)</code></a> method.</dd></dl>
<dl>
<dt>All Superinterfaces:</dt>
<dd><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a>&lt;R&gt;</dd>
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<pre>public interface <span class="strong">ComputeTaskFuture&lt;R&gt;</span>
extends <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a>&lt;R&gt;</pre>
<div class="block">This class defines a handler for asynchronous task execution. It's similar in design
to standard JDK <a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent"><code>Future</code></a> interface but has improved and easier to use exception
hierarchy.</div>
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<h3>Method Summary</h3>
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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><a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html" title="type parameter in ComputeTaskFuture">R</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html#get()">get</a></strong>()</code>
<div class="block">Synchronously waits for completion of the computation and
returns computation result.</div>
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<td class="colFirst"><code><a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html" title="type parameter in ComputeTaskFuture">R</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html#get(long,%20java.util.concurrent.TimeUnit)">get</a></strong>(long&nbsp;timeout,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</code>
<div class="block">Synchronously waits for completion of the computation for
up to the timeout specified and returns computation result.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/compute/ComputeTaskSession.html" title="interface in org.apache.ignite.compute">ComputeTaskSession</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html#getTaskSession()">getTaskSession</a></strong>()</code>
<div class="block">Gets task session of execution grid task.</div>
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<h3>Methods inherited from interface&nbsp;org.apache.ignite.lang.<a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a></h3>
<code><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#cancel()">cancel</a>, <a href="../../../../org/apache/ignite/lang/IgniteFuture.html#chain(org.apache.ignite.lang.IgniteClosure)">chain</a>, <a href="../../../../org/apache/ignite/lang/IgniteFuture.html#duration()">duration</a>, <a href="../../../../org/apache/ignite/lang/IgniteFuture.html#get(long)">get</a>, <a href="../../../../org/apache/ignite/lang/IgniteFuture.html#isCancelled()">isCancelled</a>, <a href="../../../../org/apache/ignite/lang/IgniteFuture.html#isDone()">isDone</a>, <a href="../../../../org/apache/ignite/lang/IgniteFuture.html#listen(org.apache.ignite.lang.IgniteInClosure)">listen</a>, <a href="../../../../org/apache/ignite/lang/IgniteFuture.html#startTime()">startTime</a></code></li>
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<h4>get</h4>
<pre><a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html" title="type parameter in ComputeTaskFuture">R</a>&nbsp;get()</pre>
<div class="block">Synchronously waits for completion of the computation and
returns computation result.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#get()">get</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a>&lt;<a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html" title="type parameter in ComputeTaskFuture">R</a>&gt;</code></dd>
<dt><span class="strong">Returns:</span></dt><dd>Computation result.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/compute/ComputeTaskTimeoutException.html" title="class in org.apache.ignite.compute">ComputeTaskTimeoutException</a></code> - If task execution timed out.</dd></dl>
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<h4>get</h4>
<pre><a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html" title="type parameter in ComputeTaskFuture">R</a>&nbsp;get(long&nbsp;timeout,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</pre>
<div class="block">Synchronously waits for completion of the computation for
up to the timeout specified and returns computation result.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#get(long,%20java.util.concurrent.TimeUnit)">get</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a>&lt;<a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html" title="type parameter in ComputeTaskFuture">R</a>&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - The maximum time to wait.</dd><dd><code>unit</code> - The time unit of the <code>timeout</code> argument.</dd>
<dt><span class="strong">Returns:</span></dt><dd>Computation result.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/compute/ComputeTaskTimeoutException.html" title="class in org.apache.ignite.compute">ComputeTaskTimeoutException</a></code> - If task execution timed out.</dd></dl>
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<h4>getTaskSession</h4>
<pre><a href="../../../../org/apache/ignite/compute/ComputeTaskSession.html" title="interface in org.apache.ignite.compute">ComputeTaskSession</a>&nbsp;getTaskSession()</pre>
<div class="block">Gets task session of execution grid task.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Task session.</dd></dl>
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