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<div class="subTitle">org.apache.sysds.runtime.controlprogram.parfor.opt</div>
<h2 title="Class OptNode" class="title">Class OptNode</h2>
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<ul class="inheritance">
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<pre>public class <span class="typeNameLabel">OptNode</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">Internal representation of a plan alternative for program blocks and instructions
in order to enable efficient and simple recursive enumeration and plan changes.
This is only used within the optimizer and therefore not visible to any other component.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.ExecType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.ExecType</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.NodeType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.NodeType</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.ParamType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.ParamType</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#OptNode-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode.NodeType-">OptNode</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.NodeType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.NodeType</a>&nbsp;type)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#OptNode-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode.NodeType-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode.ExecType-">OptNode</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.NodeType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.NodeType</a>&nbsp;ntype,
<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.ExecType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.ExecType</a>&nbsp;etype)</code>&nbsp;</td>
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<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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#addChild-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode-">addChild</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html" title="class in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode</a>&nbsp;child)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#addChilds-java.util.ArrayList-">addChilds</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html" title="class in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode</a>&gt;&nbsp;childs)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#addParam-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode.ParamType-java.lang.String-">addParam</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.ParamType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.ParamType</a>&nbsp;ptype,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;val)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#checkAndCleanupLeafNodes--">checkAndCleanupLeafNodes</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#checkAndCleanupRecursiveFunc-java.util.Set-">checkAndCleanupRecursiveFunc</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;stack)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#exchangeChild-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode-">exchangeChild</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html" title="class in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode</a>&nbsp;oldNode,
<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html" title="class in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode</a>&nbsp;newNode)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#explain-int-boolean-">explain</a></span>(int&nbsp;level,
boolean&nbsp;withDetails)</code>
<div class="block">Explain tool: prints the hierarchical plan to <code>stdout</code>.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getBeginLine--">getBeginLine</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html" title="class in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getChilds--">getChilds</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getEndLine--">getEndLine</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.ExecType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.ExecType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getExecType--">getExecType</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getID--">getID</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getInstructionName--">getInstructionName</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getK--">getK</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getMaxC-long-">getMaxC</a></span>(long&nbsp;N)</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getMaxProblemSize--">getMaxProblemSize</a></span>()</code>
<div class="block">Determines the maximum problem size, in terms of the maximum
total number of inner loop iterations, of the entire subtree.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html" title="class in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getNodeList--">getNodeList</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html" title="class in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getNodeList-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode.ExecType-">getNodeList</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.ExecType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.ExecType</a>&nbsp;et)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.NodeType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.NodeType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getNodeType--">getNodeType</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getParam-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode.ParamType-">getParam</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.ParamType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.ParamType</a>&nbsp;type)</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html" title="class in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getRelevantNodeList--">getRelevantNodeList</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#getTotalK--">getTotalK</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#hasNestedParallelism-boolean-">hasNestedParallelism</a></span>(boolean&nbsp;flagNested)</code>&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#hasNestedPartitionReads-boolean-">hasNestedPartitionReads</a></span>(boolean&nbsp;flagNested)</code>&nbsp;</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#hasOnlySimpleChilds--">hasOnlySimpleChilds</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#isCPOnly--">isCPOnly</a></span>()</code>
<div class="block">Determines if all program blocks and instructions exhibit
the execution type CP.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#isLeaf--">isLeaf</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#isNodeType-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode.NodeType...-">isNodeType</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.NodeType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.NodeType</a>...&nbsp;types)</code>&nbsp;</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#isRecursive--">isRecursive</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#setBeginLine-int-">setBeginLine</a></span>(int&nbsp;line)</code>&nbsp;</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.html#setExecType-org.apache.sysds.runtime.controlprogram.parfor.opt.OptNode.ExecType-">setExecType</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/controlprogram/parfor/opt/OptNode.ExecType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor.opt">OptNode.ExecType</a>&nbsp;type)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>int</code></td>
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<h4>getMaxProblemSize</h4>
<pre>public&nbsp;long&nbsp;getMaxProblemSize()</pre>
<div class="block">Determines the maximum problem size, in terms of the maximum
total number of inner loop iterations, of the entire subtree.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>maximum problem size</dd>
</dl>
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