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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.sysds.runtime.lineage</a></div>
<h2 title="Class LineageItemUtils" class="title">Class LineageItemUtils</h2>
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<li><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a></li>
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<li>org.apache.sysds.runtime.lineage.LineageItemUtils</li>
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<pre>public class <span class="typeNameLabel">LineageItemUtils</span>
extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#LPLACEHOLDER">LPLACEHOLDER</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#SERIALIZATION_OPCODE">SERIALIZATION_OPCODE</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">LineageItemUtils</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static 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><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addAllDataLineage(org.apache.sysds.runtime.controlprogram.context.ExecutionContext)">addAllDataLineage</a></span>&#8203;(<a href="../controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#checkCycles(org.apache.sysds.runtime.lineage.LineageItem)">checkCycles</a></span>&#8203;(<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;current)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#constructLineageFromHops(org.apache.sysds.hops.Hop%5B%5D,java.lang.String,org.apache.sysds.hops.Hop%5B%5D,java.util.HashMap)">constructLineageFromHops</a></span>&#8203;(<a href="../../hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>[]&nbsp;roots,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;claName,
<a href="../../hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>[]&nbsp;inputs,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/HashMap.html?is-external=true" title="class or interface in java.util" class="externalLink">HashMap</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Long.html?is-external=true" title="class or interface in java.lang" class="externalLink">Long</a>,&#8203;<a href="../../hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&gt;&nbsp;spoofmap)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsRandDataGen(java.util.HashSet,org.apache.sysds.runtime.lineage.LineageItem)">containsRandDataGen</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/HashSet.html?is-external=true" title="class or interface in java.util" class="externalLink">HashSet</a>&lt;<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&gt;&nbsp;entries,
<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;root)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createScalarLineageItem(org.apache.sysds.hops.LiteralOp)">createScalarLineageItem</a></span>&#8203;(<a href="../../hops/LiteralOp.html" title="class in org.apache.sysds.hops">LiteralOp</a>&nbsp;lop)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#explainSingleLineageItem(org.apache.sysds.runtime.lineage.LineageItem)">explainSingleLineageItem</a></span>&#8203;(<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;li)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static <a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLineage(org.apache.sysds.runtime.controlprogram.context.ExecutionContext,org.apache.sysds.runtime.instructions.cp.CPOperand...)">getLineage</a></span>&#8203;(<a href="../controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../instructions/cp/CPOperand.html" title="class in org.apache.sysds.runtime.instructions.cp">CPOperand</a>...&nbsp;operands)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static <a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLineageItemInputstoSB(java.util.ArrayList,org.apache.sysds.runtime.controlprogram.context.ExecutionContext)">getLineageItemInputstoSB</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/ArrayList.html?is-external=true" title="class or interface in java.util" class="externalLink">ArrayList</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&nbsp;inputs,
<a href="../controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static <a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSerializedFedResponseLineageItem(org.apache.sysds.runtime.lineage.LineageItem)">getSerializedFedResponseLineageItem</a></span>&#8203;(<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;li)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static <a href="LineageItem.LineageItemType.html" title="enum in org.apache.sysds.runtime.lineage">LineageItem.LineageItemType</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getType(java.lang.String)">getType</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;str)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rCheckCycles(org.apache.sysds.runtime.lineage.LineageItem,java.util.Set,boolean)">rCheckCycles</a></span>&#8203;(<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;current,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Long.html?is-external=true" title="class or interface in java.lang" class="externalLink">Long</a>&gt;&nbsp;probe,
boolean&nbsp;useObjIdent)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rConstructLineageFromHops(org.apache.sysds.hops.Hop,org.apache.sysds.hops.Hop%5B%5D,java.util.Map,java.util.HashMap)">rConstructLineageFromHops</a></span>&#8203;(<a href="../../hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&nbsp;root,
<a href="../../hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>[]&nbsp;inputs,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Long.html?is-external=true" title="class or interface in java.lang" class="externalLink">Long</a>,&#8203;<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&gt;&nbsp;operands,
<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/HashMap.html?is-external=true" title="class or interface in java.util" class="externalLink">HashMap</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Long.html?is-external=true" title="class or interface in java.lang" class="externalLink">Long</a>,&#8203;<a href="../../hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&gt;&nbsp;spoofmap)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static <a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rDecompress(org.apache.sysds.runtime.lineage.LineageItem)">rDecompress</a></span>&#8203;(<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;item)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static <a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#replace(org.apache.sysds.runtime.lineage.LineageItem,org.apache.sysds.runtime.lineage.LineageItem,org.apache.sysds.runtime.lineage.LineageItem)">replace</a></span>&#8203;(<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;root,
<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;liOld,
<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;liNew)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#replaceDagLeaves(org.apache.sysds.runtime.controlprogram.context.ExecutionContext,org.apache.sysds.runtime.lineage.LineageItem,org.apache.sysds.runtime.instructions.cp.CPOperand%5B%5D)">replaceDagLeaves</a></span>&#8203;(<a href="../controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;root,
<a href="../instructions/cp/CPOperand.html" title="class in org.apache.sysds.runtime.instructions.cp">CPOperand</a>[]&nbsp;newLeaves)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rGetDagLeaves(java.util.HashSet,org.apache.sysds.runtime.lineage.LineageItem)">rGetDagLeaves</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/HashSet.html?is-external=true" title="class or interface in java.util" class="externalLink">HashSet</a>&lt;<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&gt;&nbsp;leaves,
<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;root)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rReplaceDagLeaves(org.apache.sysds.runtime.lineage.LineageItem,org.apache.sysds.runtime.lineage.LineageItem%5B%5D)">rReplaceDagLeaves</a></span>&#8203;(<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;root,
<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>[]&nbsp;newleaves)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rReplaceNR(org.apache.sysds.runtime.lineage.LineageItem,org.apache.sysds.runtime.lineage.LineageItem,org.apache.sysds.runtime.lineage.LineageItem)">rReplaceNR</a></span>&#8203;(<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;current,
<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;liOld,
<a href="LineageItem.html" title="class in org.apache.sysds.runtime.lineage">LineageItem</a>&nbsp;liNew)</code></th>
<td class="colLast">
<div class="block">Non-recursive equivalent of <a href="#rReplace(org.apache.sysds.runtime.lineage.LineageItem,org.apache.sysds.runtime.lineage.LineageItem,org.apache.sysds.runtime.lineage.LineageItem)"><code>rReplace(LineageItem, LineageItem, LineageItem)</code></a>
for robustness with regard to stack overflow errors.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>static <a href="../controlprogram/federated/FederatedResponse.html" title="class in org.apache.sysds.runtime.controlprogram.federated">FederatedResponse</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setUDFResponse(org.apache.sysds.runtime.controlprogram.federated.FederatedUDF,org.apache.sysds.runtime.controlprogram.caching.MatrixObject)">setUDFResponse</a></span>&#8203;(<a href="../controlprogram/federated/FederatedUDF.html" title="class in org.apache.sysds.runtime.controlprogram.federated">FederatedUDF</a>&nbsp;udf,
<a href="../controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;mo)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>static void</code></td>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>liNew</code> - New Lineage item.</dd>
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