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<div class="subTitle">org.apache.sysds.runtime.compress.utils</div>
<h2 title="Class CustomHashMap" class="title">Class CustomHashMap</h2>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../org/apache/sysds/runtime/compress/utils/DblArrayIntListHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">DblArrayIntListHashMap</a>, <a href="../../../../../../org/apache/sysds/runtime/compress/utils/DoubleIntListHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">DoubleIntListHashMap</a></dd>
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<pre>public abstract class <span class="typeNameLabel">CustomHashMap</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">This class provides a memory-efficient base for Custom HashMaps for restricted use cases.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html#CustomHashMap--">CustomHashMap</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html#joinHashMap-org.apache.sysds.runtime.compress.utils.CustomHashMap-">joinHashMap</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>&nbsp;that)</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html#joinHashMaps-org.apache.sysds.runtime.compress.utils.CustomHashMap:A-org.apache.sysds.runtime.compress.utils.CustomHashMap:A-">joinHashMaps</a></span>(<a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>[]&nbsp;left,
<a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>[]&nbsp;right)</code>
<div class="block">Joins the two lists of hashmaps together to form one list containing element wise joins of the hashmaps.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html#size--">size</a></span>()</code>&nbsp;</td>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>CustomHashMap</h4>
<pre>public&nbsp;CustomHashMap()</pre>
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<h4>size</h4>
<pre>public&nbsp;int&nbsp;size()</pre>
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<h4>joinHashMaps</h4>
<pre>public static&nbsp;<a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>[]&nbsp;joinHashMaps(<a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>[]&nbsp;left,
<a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>[]&nbsp;right)</pre>
<div class="block">Joins the two lists of hashmaps together to form one list containing element wise joins of the hashmaps.
Also note that the join modifies the left hand side hash map such that it contains the joined values. All values
in the right hand side is appended to the left hand side, such that the order of the elements is constant after
the join.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>left</code> - The left side hashmaps</dd>
<dd><code>right</code> - The right side hashmaps</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The element-wise join of the two hashmaps.</dd>
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<h4>joinHashMap</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>&nbsp;joinHashMap(<a href="../../../../../../org/apache/sysds/runtime/compress/utils/CustomHashMap.html" title="class in org.apache.sysds.runtime.compress.utils">CustomHashMap</a>&nbsp;that)</pre>
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