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<div class="subTitle">org.apache.ignite.lang</div>
<h2 title="Interface IgniteFuture" class="title">Interface IgniteFuture<span class='angle_bracket'>&lt;</span>V<span class='angle_bracket'>&gt;</span></h2>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>V</code> - Type of the result for the future.</dd>
</dl>
<dl>
<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../org/apache/ignite/compute/ComputeTaskFuture.html" title="interface in org.apache.ignite.compute">ComputeTaskFuture</a><span class='angle_bracket'>&lt;</span>R<span class='angle_bracket'>&gt;</span>, <a href="../../../../org/apache/ignite/scheduler/SchedulerFuture.html" title="interface in org.apache.ignite.scheduler">SchedulerFuture</a><span class='angle_bracket'>&lt;</span>R<span class='angle_bracket'>&gt;</span></dd>
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<hr>
<br>
<pre>public interface <span class="typeNameLabel">IgniteFuture<span class='angle_bracket'>&lt;</span>V<span class='angle_bracket'>&gt;</span></span></pre>
<div class="block">Future with simplified exception handling, functional programming support
and ability to listen for future completion via functional callback.</div>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#cancel--">cancel</a></span>()</code>
<div class="block">Cancels this future.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#chain-org.apache.ignite.lang.IgniteClosure-">chain</a></span>(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'>&lt;</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>&gt;</span>,T<span class='angle_bracket'>&gt;</span>&nbsp;doneCb)</code>
<div class="block">Make a chained future to convert result of this future (when complete) into a new format.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#chainAsync-org.apache.ignite.lang.IgniteClosure-java.util.concurrent.Executor-">chainAsync</a></span>(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'>&lt;</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>&gt;</span>,T<span class='angle_bracket'>&gt;</span>&nbsp;doneCb,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</a>&nbsp;exec)</code>
<div class="block">Make a chained future to convert result of this future (when complete) into a new format.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#get--">get</a></span>()</code>
<div class="block">Synchronously waits for completion of the computation and
returns computation result.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#get-long-">get</a></span>(long&nbsp;timeout)</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 id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#get-long-java.util.concurrent.TimeUnit-">get</a></span>(long&nbsp;timeout,
<a href="https://docs.oracle.com/javase/8/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 id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#isCancelled--">isCancelled</a></span>()</code>
<div class="block">Returns <code>true</code> if this task was cancelled before it completed
normally.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#isDone--">isDone</a></span>()</code>
<div class="block">Returns <code>true</code> if this task completed.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#listen-org.apache.ignite.lang.IgniteInClosure-">listen</a></span>(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'>&lt;</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;lsnr)</code>
<div class="block">Registers listener closure to be asynchronously notified whenever future completes.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/lang/IgniteFuture.html#listenAsync-org.apache.ignite.lang.IgniteInClosure-java.util.concurrent.Executor-">listenAsync</a></span>(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'>&lt;</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;lsnr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</a>&nbsp;exec)</code>
<div class="block">Registers listener closure to be asynchronously notified whenever future completes.</div>
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<h4>get</h4>
<pre><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a>&nbsp;get()
throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre>
<div class="block">Synchronously waits for completion of the computation and
returns computation result.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Computation result.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/IgniteInterruptedException.html" title="class in org.apache.ignite">IgniteInterruptedException</a></code> - Subclass of <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite"><code>IgniteException</code></a> thrown if the wait was interrupted.</dd>
<dd><code><a href="../../../../org/apache/ignite/lang/IgniteFutureCancelledException.html" title="class in org.apache.ignite.lang">IgniteFutureCancelledException</a></code> - Subclass of <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite"><code>IgniteException</code></a> thrown if computation was cancelled.</dd>
<dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If computation failed.</dd>
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<h4>get</h4>
<pre><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a>&nbsp;get(long&nbsp;timeout)
throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre>
<div class="block">Synchronously waits for completion of the computation for
up to the timeout specified and returns computation result.
This method is equivalent to calling <a href="../../../../org/apache/ignite/lang/IgniteFuture.html#get-long-java.util.concurrent.TimeUnit-"><code>get(long, TimeUnit.MILLISECONDS)</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>timeout</code> - The maximum time to wait in milliseconds.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Computation result.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/IgniteInterruptedException.html" title="class in org.apache.ignite">IgniteInterruptedException</a></code> - Subclass of <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite"><code>IgniteException</code></a> thrown if the wait was interrupted.</dd>
<dd><code><a href="../../../../org/apache/ignite/lang/IgniteFutureCancelledException.html" title="class in org.apache.ignite.lang">IgniteFutureCancelledException</a></code> - Subclass of <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite"><code>IgniteException</code></a> thrown if computation was cancelled.</dd>
<dd><code><a href="../../../../org/apache/ignite/lang/IgniteFutureTimeoutException.html" title="class in org.apache.ignite.lang">IgniteFutureTimeoutException</a></code> - Subclass of <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite"><code>IgniteException</code></a> thrown if the wait was timed out.</dd>
<dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If computation failed.</dd>
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<h4>get</h4>
<pre><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a>&nbsp;get(long&nbsp;timeout,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)
throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre>
<div class="block">Synchronously waits for completion of the computation for
up to the timeout specified and returns computation result.</div>
<dl>
<dt><span class="paramLabel">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="returnLabel">Returns:</span></dt>
<dd>Computation result.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/IgniteInterruptedException.html" title="class in org.apache.ignite">IgniteInterruptedException</a></code> - Subclass of <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite"><code>IgniteException</code></a> thrown if the wait was interrupted.</dd>
<dd><code><a href="../../../../org/apache/ignite/lang/IgniteFutureCancelledException.html" title="class in org.apache.ignite.lang">IgniteFutureCancelledException</a></code> - Subclass of <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite"><code>IgniteException</code></a> thrown if computation was cancelled.</dd>
<dd><code><a href="../../../../org/apache/ignite/lang/IgniteFutureTimeoutException.html" title="class in org.apache.ignite.lang">IgniteFutureTimeoutException</a></code> - Subclass of <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite"><code>IgniteException</code></a> thrown if the wait was timed out.</dd>
<dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If computation failed.</dd>
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<h4>cancel</h4>
<pre>boolean&nbsp;cancel()
throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre>
<div class="block">Cancels this future.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>True</code> if future was canceled (i.e. was not finished prior to this call).</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If cancellation failed.</dd>
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<pre>boolean&nbsp;isCancelled()</pre>
<div class="block">Returns <code>true</code> if this task was cancelled before it completed
normally.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if this task was cancelled before it completed</dd>
</dl>
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<h4>isDone</h4>
<pre>boolean&nbsp;isDone()</pre>
<div class="block">Returns <code>true</code> if this task completed.
<p>
Completion may be due to normal termination, an exception, or
cancellation - in all of these cases, this method will return
<code>true</code>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if this task completed.</dd>
</dl>
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<h4>listen</h4>
<pre>void&nbsp;listen(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'>&lt;</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;lsnr)</pre>
<div class="block">Registers listener closure to be asynchronously notified whenever future completes.
Closure will be processed in thread that completes this future or (if future already
completed) immediately in current thread.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>lsnr</code> - Listener closure to register. Cannot be <code>null</code>.</dd>
</dl>
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<h4>listenAsync</h4>
<pre>void&nbsp;listenAsync(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'>&lt;</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;lsnr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</a>&nbsp;exec)</pre>
<div class="block">Registers listener closure to be asynchronously notified whenever future completes.
Closure will be processed in specified executor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>lsnr</code> - Listener closure to register. Cannot be <code>null</code>.</dd>
<dd><code>exec</code> - Executor to run listener. Cannot be <code>null</code>.</dd>
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<h4>chain</h4>
<pre><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;chain(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'>&lt;</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>&gt;</span>,T<span class='angle_bracket'>&gt;</span>&nbsp;doneCb)</pre>
<div class="block">Make a chained future to convert result of this future (when complete) into a new format.
It is guaranteed that done callback will be called only ONCE.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>doneCb</code> - Done callback that is applied to this future when it finishes to produce chained future result.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Chained future that finishes after this future completes and done callback is called.</dd>
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<h4>chainAsync</h4>
<pre><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;chainAsync(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'>&lt;</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'>&lt;</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>&gt;</span>,T<span class='angle_bracket'>&gt;</span>&nbsp;doneCb,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent">Executor</a>&nbsp;exec)</pre>
<div class="block">Make a chained future to convert result of this future (when complete) into a new format.
It is guaranteed that done callback will be called only ONCE.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>doneCb</code> - Done callback that is applied to this future when it finishes to produce chained future result.</dd>
<dd><code>exec</code> - Executor to run done callback. Cannot be <code>null</code>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Chained future that finishes after this future completes and done callback is called.</dd>
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