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| <div class="subTitle">org.apache.ignite.lang</div> |
| <h2 title="Interface IgniteFuture" class="title">Interface IgniteFuture<span class='angle_bracket'><</span>V<span class='angle_bracket'>></span></h2> |
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| <dl> |
| <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'><</span>R<span class='angle_bracket'>></span>, <a href="../../../../org/apache/ignite/scheduler/SchedulerFuture.html" title="interface in org.apache.ignite.scheduler">SchedulerFuture</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span></dd> |
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| <br> |
| <pre>public interface <span class="typeNameLabel">IgniteFuture<span class='angle_bracket'><</span>V<span class='angle_bracket'>></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> |
| </li> |
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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"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </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'><</span>T<span class='angle_bracket'>></span> <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span>T<span class='angle_bracket'>></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'><</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>></span>,T<span class='angle_bracket'>></span> 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'><</span>T<span class='angle_bracket'>></span> <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span>T<span class='angle_bracket'>></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'><</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>></span>,T<span class='angle_bracket'>></span> 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> 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 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 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> 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'><</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> 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'><</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> 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> exec)</code> |
| <div class="block">Registers listener closure to be asynchronously notified whenever future completes.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a name="get--"> |
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| <li class="blockList"> |
| <h4>get</h4> |
| <pre><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a> 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="get-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>get</h4> |
| <pre><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a> get(long 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="get-long-java.util.concurrent.TimeUnit-"> |
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| </a> |
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| <h4>get</h4> |
| <pre><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a> get(long 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> 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="cancel--"> |
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| </a> |
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| <h4>cancel</h4> |
| <pre>boolean 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="isCancelled--"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isCancelled</h4> |
| <pre>boolean 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> |
| </li> |
| </ul> |
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| <h4>isDone</h4> |
| <pre>boolean 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> |
| </li> |
| </ul> |
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| <h4>listen</h4> |
| <pre>void listen(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'><</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> 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> |
| </li> |
| </ul> |
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| <h4>listenAsync</h4> |
| <pre>void listenAsync(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'><</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> 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> 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> |
| </dl> |
| </li> |
| </ul> |
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| <h4>chain</h4> |
| <pre><span class='angle_bracket'><</span>T<span class='angle_bracket'>></span> <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span>T<span class='angle_bracket'>></span> chain(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>></span>,T<span class='angle_bracket'>></span> 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> |
| </dl> |
| </li> |
| </ul> |
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| <h4>chainAsync</h4> |
| <pre><span class='angle_bracket'><</span>T<span class='angle_bracket'>></span> <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span>T<span class='angle_bracket'>></span> chainAsync(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span>? super <a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/lang/IgniteFuture.html" title="type parameter in IgniteFuture">V</a><span class='angle_bracket'>></span>,T<span class='angle_bracket'>></span> 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> 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> |
| </dl> |
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| <p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2021 Copyright © Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Database and Caching Platform</b> </td> <td>: ver. <strong>2.10.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: March 10 2021 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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