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| <div class="subTitle">org.apache.ignite.ml.dataset</div> |
| <h2 title="Interface Dataset" class="title">Interface Dataset<span class='angle_bracket'><</span>C extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,D extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a><span class='angle_bracket'>></span></h2> |
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| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>C</code> - Type of a partition <code>context</code>.</dd> |
| <dd><code>D</code> - Type of a partition <code>data</code>.</dd> |
| </dl> |
| <dl> |
| <dt>All Superinterfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/ignite/ml/dataset/impl/cache/CacheBasedDataset.html" title="class in org.apache.ignite.ml.dataset.impl.cache">CacheBasedDataset</a>, <a href="../../../../../org/apache/ignite/ml/dataset/primitive/DatasetWrapper.html" title="class in org.apache.ignite.ml.dataset.primitive">DatasetWrapper</a>, <a href="../../../../../org/apache/ignite/ml/dataset/impl/local/LocalDataset.html" title="class in org.apache.ignite.ml.dataset.impl.local">LocalDataset</a>, <a href="../../../../../org/apache/ignite/ml/dataset/primitive/SimpleDataset.html" title="class in org.apache.ignite.ml.dataset.primitive">SimpleDataset</a>, <a href="../../../../../org/apache/ignite/ml/dataset/primitive/SimpleLabeledDataset.html" title="class in org.apache.ignite.ml.dataset.primitive">SimpleLabeledDataset</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="typeNameLabel">Dataset<span class='angle_bracket'><</span>C extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>,D extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a><span class='angle_bracket'>></span></span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></pre> |
| <div class="block">A dataset providing an API that allows to perform generic computations on a distributed data represented as a set of |
| partitions distributed across a cluster or placed locally. Every partition contains a <code>context</code> (reliably |
| stored segment) and <code>data</code> (unreliably stored segment, which can be recovered from an upstream data and a |
| <code>context</code> if needed). Computations are performed in a <code>MapReduce</code> manner, what allows to reduce a |
| network traffic for most of the machine learning algorithms. |
| |
| <p>Dataset functionality allows to implement iterative machine learning algorithms via introducing computation |
| context. In case iterative algorithm requires to maintain a state available and updatable on every iteration this |
| state can be stored in the <code>context</code> of the partition and after that it will be available in further |
| computations even if the Ignite Cache partition will be moved to another node because of node failure or rebalancing. |
| |
| <p>Partition <code>context</code> should be <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io"><code>Serializable</code></a> to be saved in Ignite Cache. Partition <code>data</code> |
| should be <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang"><code>AutoCloseable</code></a> to allow system to clean up correspondent resources when partition <code>data</code> is |
| not needed anymore.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/ignite/ml/dataset/impl/cache/CacheBasedDataset.html" title="class in org.apache.ignite.ml.dataset.impl.cache"><code>CacheBasedDataset</code></a>, |
| <a href="../../../../../org/apache/ignite/ml/dataset/impl/local/LocalDataset.html" title="class in org.apache.ignite.ml.dataset.impl.local"><code>LocalDataset</code></a>, |
| <a href="../../../../../org/apache/ignite/ml/dataset/DatasetFactory.html" title="class in org.apache.ignite.ml.dataset"><code>DatasetFactory</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
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| <ul class="blockList"> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <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><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default 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>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#compute-org.apache.ignite.ml.math.functions.IgniteBiConsumer-">compute</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiConsumer.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiConsumer</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a><span class='angle_bracket'>></span> map)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> in the dataset and |
| <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#compute-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-">compute</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a> |
| in the dataset and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#compute-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-R-">compute</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce, |
| R identity)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a> |
| in the dataset and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#compute-org.apache.ignite.ml.math.functions.IgniteConsumer-">compute</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteConsumer.html" title="interface in org.apache.ignite.ml.math.functions">IgniteConsumer</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a><span class='angle_bracket'>></span> map)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> in the dataset.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#compute-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-">compute</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> in the dataset and then reduces |
| <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#compute-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-R-">compute</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce, |
| R identity)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> in the dataset and then reduces |
| <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#computeWithCtx-org.apache.ignite.ml.math.functions.IgniteBiConsumer-">computeWithCtx</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiConsumer.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiConsumer</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a><span class='angle_bracket'>></span> map)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <code>context</code> in the dataset.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#computeWithCtx-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-">computeWithCtx</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <code>context</code> in the dataset |
| and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#computeWithCtx-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-R-">computeWithCtx</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce, |
| R identity)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <code>context</code> in the dataset |
| and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#computeWithCtx-org.apache.ignite.ml.math.functions.IgniteTriConsumer-">computeWithCtx</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteTriConsumer.html" title="interface in org.apache.ignite.ml.math.functions">IgniteTriConsumer</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a><span class='angle_bracket'>></span> map)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code>, <code>context</code> and |
| <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a> in the dataset.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#computeWithCtx-org.apache.ignite.ml.math.functions.IgniteTriFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-">computeWithCtx</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteTriFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteTriFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code>, <code>context</code> and |
| <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a> in the dataset and then reduces <code>map</code> results to final |
| result by using the <code>reduce</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#computeWithCtx-org.apache.ignite.ml.math.functions.IgniteTriFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-R-">computeWithCtx</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteTriFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteTriFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce, |
| R identity)</code> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code>, <code>context</code> and partition |
| index in the dataset and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>default <span class='angle_bracket'><</span>I extends <a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset">Dataset</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span><br>I</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html#wrap-org.apache.ignite.ml.math.functions.IgniteFunction-">wrap</a></span>(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset">Dataset</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a><span class='angle_bracket'>></span>,I<span class='angle_bracket'>></span> wrapper)</code> |
| <div class="block">Wraps this dataset into the specified wrapper to introduce new functionality based on <code>compute</code> and |
| <code>computeWithCtx</code> methods.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from interface java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code></li> |
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| <h4>computeWithCtx</h4> |
| <pre><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R computeWithCtx(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteTriFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteTriFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce, |
| R identity)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code>, <code>context</code> and partition |
| index in the dataset and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - Type of a result.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code>, <code>context</code> and <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a>.</dd> |
| <dd><code>reduce</code> - Function applied to results of <code>map</code> to get final result.</dd> |
| <dd><code>identity</code> - Identity.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Final result.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compute-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-java.lang.Object-"> |
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| </a><a name="compute-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-R-"> |
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| <h4>compute</h4> |
| <pre><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R compute(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce, |
| R identity)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a> |
| in the dataset and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - Type of a result.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code> and <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a>.</dd> |
| <dd><code>reduce</code> - Function applied to results of <code>map</code> to get final result.</dd> |
| <dd><code>identity</code> - Identity.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Final result.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="computeWithCtx-org.apache.ignite.ml.math.functions.IgniteTriFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-"> |
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| <h4>computeWithCtx</h4> |
| <pre>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R computeWithCtx(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteTriFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteTriFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code>, <code>context</code> and |
| <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a> in the dataset and then reduces <code>map</code> results to final |
| result by using the <code>reduce</code> function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - Type of a result.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code>, <code>context</code> and <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a>.</dd> |
| <dd><code>reduce</code> - Function applied to results of <code>map</code> to get final result.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Final result.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compute-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-"> |
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| <h4>compute</h4> |
| <pre>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R compute(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a> |
| in the dataset and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - Type of a result.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code> and <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a>.</dd> |
| <dd><code>reduce</code> - Function applied to results of <code>map</code> to get final result.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Final result.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="computeWithCtx-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-java.lang.Object-"> |
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| <h4>computeWithCtx</h4> |
| <pre>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R computeWithCtx(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce, |
| R identity)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <code>context</code> in the dataset |
| and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - Type of a result.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code> and <code>context</code>.</dd> |
| <dd><code>reduce</code> - Function applied to results of <code>map</code> to get final result.</dd> |
| <dd><code>identity</code> - Identity.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Final result.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compute-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-java.lang.Object-"> |
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| <h4>compute</h4> |
| <pre>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R compute(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce, |
| R identity)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> in the dataset and then reduces |
| <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - Type of a result.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code>.</dd> |
| <dd><code>reduce</code> - Function applied to results of <code>map</code> to get final result.</dd> |
| <dd><code>identity</code> - Identity.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Final result.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="computeWithCtx-org.apache.ignite.ml.math.functions.IgniteBiFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-"> |
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| <pre>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R computeWithCtx(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <code>context</code> in the dataset |
| and then reduces <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - Type of a result.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code> and <code>context</code>.</dd> |
| <dd><code>reduce</code> - Function applied to results of <code>map</code> to get final result.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Final result.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compute-org.apache.ignite.ml.math.functions.IgniteFunction-org.apache.ignite.ml.math.functions.IgniteBinaryOperator-"> |
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| <pre>default <span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> R compute(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,R<span class='angle_bracket'>></span> map, |
| <a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBinaryOperator.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBinaryOperator</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> reduce)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> in the dataset and then reduces |
| <code>map</code> results to final result by using the <code>reduce</code> function.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - Type of a result.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code>.</dd> |
| <dd><code>reduce</code> - Function applied to results of <code>map</code> to get final result.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Final result.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>computeWithCtx</h4> |
| <pre>default void computeWithCtx(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteTriConsumer.html" title="interface in org.apache.ignite.ml.math.functions">IgniteTriConsumer</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a><span class='angle_bracket'>></span> map)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code>, <code>context</code> and |
| <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a> in the dataset.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code>, <code>context</code> and partition index.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>default void compute(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiConsumer.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiConsumer</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a>,<a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment">LearningEnvironment</a><span class='angle_bracket'>></span> map)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> in the dataset and |
| <a href="../../../../../org/apache/ignite/ml/environment/LearningEnvironment.html" title="interface in org.apache.ignite.ml.environment"><code>LearningEnvironment</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code> and partition index.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>default void computeWithCtx(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteBiConsumer.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiConsumer</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a><span class='angle_bracket'>></span> map)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> and <code>context</code> in the dataset.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code> and <code>context</code>.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>compute</h4> |
| <pre>default void compute(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteConsumer.html" title="interface in org.apache.ignite.ml.math.functions">IgniteConsumer</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a><span class='angle_bracket'>></span> map)</pre> |
| <div class="block">Applies the specified <code>map</code> function to every partition <code>data</code> in the dataset.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - Function applied to every partition <code>data</code>.</dd> |
| </dl> |
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| <h4>wrap</h4> |
| <pre>default <span class='angle_bracket'><</span>I extends <a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset">Dataset</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> I wrap(<a href="../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset">Dataset</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">C</a>,<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="type parameter in Dataset">D</a><span class='angle_bracket'>></span>,I<span class='angle_bracket'>></span> wrapper)</pre> |
| <div class="block">Wraps this dataset into the specified wrapper to introduce new functionality based on <code>compute</code> and |
| <code>computeWithCtx</code> methods.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>I</code> - Type of a new wrapped dataset.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>wrapper</code> - Dataset wrapper.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>New wrapped dataset.</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>2.11.1</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: December 20 2021 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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