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<div class="subTitle">org.apache.sysds.lops</div>
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<li>org.apache.sysds.lops.Data</li>
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<pre>public class <span class="typeNameLabel">Data</span>
extends <a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></pre>
<div class="block">Lop to represent data objects. Data objects represent matrices, vectors,
variables, literals. Can be for both input and output.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.sysds.lops.<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></h3>
<code><a href="../../../../org/apache/sysds/lops/Lop.SimpleInstType.html" title="enum in org.apache.sysds.lops">Lop.SimpleInstType</a>, <a href="../../../../org/apache/sysds/lops/Lop.Type.html" title="enum in org.apache.sysds.lops">Lop.Type</a>, <a href="../../../../org/apache/sysds/lops/Lop.VisitStatus.html" title="enum in org.apache.sysds.lops">Lop.VisitStatus</a></code></li>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static <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/lops/Data.html#PREAD_PREFIX">PREAD_PREFIX</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.sysds.lops.<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></h3>
<code><a href="../../../../org/apache/sysds/lops/Lop.html#Z:Z_beginColumn">_beginColumn</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#Z:Z_beginLine">_beginLine</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#Z:Z_endColumn">_endColumn</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#Z:Z_endLine">_endLine</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#Z:Z_filename">_filename</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#CP_CHILD_THREAD">CP_CHILD_THREAD</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#CP_ROOT_THREAD_ID">CP_ROOT_THREAD_ID</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#DATATYPE_PREFIX">DATATYPE_PREFIX</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#FILE_SEPARATOR">FILE_SEPARATOR</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#FRAME_VAR_NAME_PREFIX">FRAME_VAR_NAME_PREFIX</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#INSTRUCTION_DELIMITOR">INSTRUCTION_DELIMITOR</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#LITERAL_PREFIX">LITERAL_PREFIX</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#MATRIX_VAR_NAME_PREFIX">MATRIX_VAR_NAME_PREFIX</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#NAME_VALUE_SEPARATOR">NAME_VALUE_SEPARATOR</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#OPERAND_DELIMITOR">OPERAND_DELIMITOR</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#PROCESS_PREFIX">PROCESS_PREFIX</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#SAMPLE_FRACTION">SAMPLE_FRACTION</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#SCALAR_VAR_NAME_PREFIX">SCALAR_VAR_NAME_PREFIX</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#UPDATE_INPLACE_PREFIX">UPDATE_INPLACE_PREFIX</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#VALUETYPE_PREFIX">VALUETYPE_PREFIX</a>, <a href="../../../../org/apache/sysds/lops/Lop.html#VARIABLE_NAME_PLACEHOLDER">VARIABLE_NAME_PLACEHOLDER</a></code></li>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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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/lops/Data.html#Data-org.apache.sysds.common.Types.OpOpData-org.apache.sysds.lops.Lop-java.util.HashMap-java.lang.String-java.lang.String-org.apache.sysds.common.Types.DataType-org.apache.sysds.common.Types.ValueType-org.apache.sysds.common.Types.FileFormat-">Data</a></span>(<a href="../../../../org/apache/sysds/common/Types.OpOpData.html" title="enum in org.apache.sysds.common">Types.OpOpData</a>&nbsp;op,
<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a>&nbsp;input,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</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>,<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a>&gt;&nbsp;inputParametersLops,
<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;name,
<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;literal,
<a href="../../../../org/apache/sysds/common/Types.DataType.html" title="enum in org.apache.sysds.common">Types.DataType</a>&nbsp;dt,
<a href="../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>&nbsp;vt,
<a href="../../../../org/apache/sysds/common/Types.FileFormat.html" title="enum in org.apache.sysds.common">Types.FileFormat</a>&nbsp;fmt)</code>
<div class="block">Constructor to setup read or write LOP
In case of write: <code>input</code> must be provided.</div>
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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="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>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/sysds/lops/Data.html" title="class in org.apache.sysds.lops">Data</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#createLiteralLop-org.apache.sysds.common.Types.ValueType-java.lang.String-">createLiteralLop</a></span>(<a href="../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>&nbsp;vt,
<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;literalValue)</code>
<div class="block">Method to create literal LOPs.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#getBooleanValue--">getBooleanValue</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" 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/lops/Data.html#getCreateVarInstructions-java.lang.String-java.lang.String-">getCreateVarInstructions</a></span>(<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;outputFileName,
<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;outputLabel)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#getDoubleValue--">getDoubleValue</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/sysds/common/Types.FileFormat.html" title="enum in org.apache.sysds.common">Types.FileFormat</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#getFileFormatType--">getFileFormatType</a></span>()</code>
<div class="block">method to get format type for input, output files.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</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>,<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#getInputParams--">getInputParams</a></span>()</code>
<div class="block">method to get inputParams</div>
</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/lops/Data.html#getInstructions--">getInstructions</a></span>()</code>
<div class="block">Method to generate createvar instruction that updates symbol table with metadata, hdfsfile name, etc.</div>
</td>
</tr>
<tr id="i7" 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/lops/Data.html#getInstructions-java.lang.String-">getInstructions</a></span>(<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;outputFileName)</code>
<div class="block">Method should be overridden if needed</div>
</td>
</tr>
<tr id="i8" 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/lops/Data.html#getInstructions-java.lang.String-java.lang.String-">getInstructions</a></span>(<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;input1,
<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;input2)</code>
<div class="block">Method to get CP instructions for reading/writing scalars and matrices from/to HDFS.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#getLongValue--">getLongValue</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#getNamedInputLop-java.lang.String-">getNamedInputLop</a></span>(<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;name)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#getNamedInputLop-java.lang.String-java.lang.String-">getNamedInputLop</a></span>(<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;name,
<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;defaultVal)</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/sysds/common/Types.OpOpData.html" title="enum in org.apache.sysds.common">Types.OpOpData</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#getOperationType--">getOperationType</a></span>()</code>
<div class="block">method to get operation type, i.e.</div>
</td>
</tr>
<tr id="i13" 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/lops/Data.html#getStringValue--">getStringValue</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#isLiteral--">isLiteral</a></span>()</code>
<div class="block">method to check if this data lop represents a literal.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#isPersistentRead--">isPersistentRead</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#isPersistentWrite--">isPersistentWrite</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/lops/Data.html#setExecType-org.apache.sysds.lops.LopProperties.ExecType-">setExecType</a></span>(<a href="../../../../org/apache/sysds/lops/LopProperties.ExecType.html" title="enum in org.apache.sysds.lops">LopProperties.ExecType</a>&nbsp;et)</code>
<div class="block">Data-Lop-specific method to set the execution type for persistent write.</div>
</td>
</tr>
<tr id="i18" 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/lops/Data.html#toString--">toString</a></span>()</code>
<div class="block">Method to have Lops print their state.</div>
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<h3>Methods inherited from class&nbsp;org.apache.sysds.lops.<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></h3>
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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#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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<pre>public static final&nbsp;<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> PREAD_PREFIX</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.sysds.lops.Data.PREAD_PREFIX">Constant Field Values</a></dd>
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<a name="Data-org.apache.sysds.common.Types.OpOpData-org.apache.sysds.lops.Lop-java.util.HashMap-java.lang.String-java.lang.String-org.apache.sysds.common.Types.DataType-org.apache.sysds.common.Types.ValueType-org.apache.sysds.common.Types.FileFormat-">
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<h4>Data</h4>
<pre>public&nbsp;Data(<a href="../../../../org/apache/sysds/common/Types.OpOpData.html" title="enum in org.apache.sysds.common">Types.OpOpData</a>&nbsp;op,
<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a>&nbsp;input,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</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>,<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a>&gt;&nbsp;inputParametersLops,
<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;name,
<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;literal,
<a href="../../../../org/apache/sysds/common/Types.DataType.html" title="enum in org.apache.sysds.common">Types.DataType</a>&nbsp;dt,
<a href="../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>&nbsp;vt,
<a href="../../../../org/apache/sysds/common/Types.FileFormat.html" title="enum in org.apache.sysds.common">Types.FileFormat</a>&nbsp;fmt)</pre>
<div class="block">Constructor to setup read or write LOP
In case of write: <code>input</code> must be provided. This will always be added as the first element in <code>input</code> array.
For literals: this function is invoked through the static method <code>createLiteralLop</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>op</code> - operation type</dd>
<dd><code>input</code> - low-level operator</dd>
<dd><code>inputParametersLops</code> - input lops</dd>
<dd><code>name</code> - string name</dd>
<dd><code>literal</code> - string literal</dd>
<dd><code>dt</code> - data type</dd>
<dd><code>vt</code> - value type</dd>
<dd><code>fmt</code> - file format</dd>
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<a name="createLiteralLop-org.apache.sysds.common.Types.ValueType-java.lang.String-">
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<h4>createLiteralLop</h4>
<pre>public static&nbsp;<a href="../../../../org/apache/sysds/lops/Data.html" title="class in org.apache.sysds.lops">Data</a>&nbsp;createLiteralLop(<a href="../../../../org/apache/sysds/common/Types.ValueType.html" title="enum in org.apache.sysds.common">Types.ValueType</a>&nbsp;vt,
<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;literalValue)</pre>
<div class="block">Method to create literal LOPs.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>vt</code> - value type</dd>
<dd><code>literalValue</code> - literal value</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>literal low-level operator</dd>
</dl>
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<a name="setExecType-org.apache.sysds.lops.LopProperties.ExecType-">
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<h4>setExecType</h4>
<pre>public&nbsp;void&nbsp;setExecType(<a href="../../../../org/apache/sysds/lops/LopProperties.ExecType.html" title="enum in org.apache.sysds.lops">LopProperties.ExecType</a>&nbsp;et)</pre>
<div class="block">Data-Lop-specific method to set the execution type for persistent write.
TODO: split lops into MR/CP lop.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>et</code> - execution type</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../org/apache/sysds/common/Types.FileFormat.html" title="enum in org.apache.sysds.common">Types.FileFormat</a>&nbsp;getFileFormatType()</pre>
<div class="block">method to get format type for input, output files.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>file format</dd>
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<a name="toString--">
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<h4>toString</h4>
<pre>public&nbsp;<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;toString()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/sysds/lops/Lop.html#toString--">Lop</a></code></span></div>
<div class="block">Method to have Lops print their state. This is for debugging purposes.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/sysds/lops/Lop.html#toString--">toString</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></code></dd>
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<a name="getOperationType--">
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<h4>getOperationType</h4>
<pre>public&nbsp;<a href="../../../../org/apache/sysds/common/Types.OpOpData.html" title="enum in org.apache.sysds.common">Types.OpOpData</a>&nbsp;getOperationType()</pre>
<div class="block">method to get operation type, i.e. read/write.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>operation type</dd>
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<a name="getInputParams--">
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<h4>getInputParams</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</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>,<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a>&gt;&nbsp;getInputParams()</pre>
<div class="block">method to get inputParams</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>input parameters</dd>
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<a name="getNamedInputLop-java.lang.String-">
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<h4>getNamedInputLop</h4>
<pre>public&nbsp;<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a>&nbsp;getNamedInputLop(<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;name)</pre>
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<a name="getNamedInputLop-java.lang.String-java.lang.String-">
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<h4>getNamedInputLop</h4>
<pre>public&nbsp;<a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a>&nbsp;getNamedInputLop(<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;name,
<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;defaultVal)</pre>
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<pre>public&nbsp;boolean&nbsp;isLiteral()</pre>
<div class="block">method to check if this data lop represents a literal.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if data lop is a literal</dd>
</dl>
</li>
</ul>
<a name="getBooleanValue--">
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<h4>getBooleanValue</h4>
<pre>public&nbsp;boolean&nbsp;getBooleanValue()</pre>
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<h4>getDoubleValue</h4>
<pre>public&nbsp;double&nbsp;getDoubleValue()</pre>
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<h4>getLongValue</h4>
<pre>public&nbsp;long&nbsp;getLongValue()</pre>
</li>
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<pre>public&nbsp;<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;getStringValue()</pre>
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<pre>public&nbsp;boolean&nbsp;isPersistentWrite()</pre>
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<pre>public&nbsp;boolean&nbsp;isPersistentRead()</pre>
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<h4>getInstructions</h4>
<pre>public&nbsp;<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;getInstructions(<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;input1,
<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;input2)</pre>
<div class="block">Method to get CP instructions for reading/writing scalars and matrices from/to HDFS.
This method generates CP read/write instructions.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/sysds/lops/Lop.html#getInstructions-java.lang.String-java.lang.String-">getInstructions</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>input1</code> - input 1</dd>
<dd><code>input2</code> - output</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>instructions as string</dd>
</dl>
</li>
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<h4>getInstructions</h4>
<pre>public&nbsp;<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;getInstructions()</pre>
<div class="block">Method to generate createvar instruction that updates symbol table with metadata, hdfsfile name, etc.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/sysds/lops/Lop.html#getInstructions--">getInstructions</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>instructions as string</dd>
</dl>
</li>
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<h4>getInstructions</h4>
<pre>public&nbsp;<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;getInstructions(<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;outputFileName)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../org/apache/sysds/lops/Lop.html#getInstructions-java.lang.String-">Lop</a></code></span></div>
<div class="block">Method should be overridden if needed</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/sysds/lops/Lop.html#getInstructions-java.lang.String-">getInstructions</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/sysds/lops/Lop.html" title="class in org.apache.sysds.lops">Lop</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>outputFileName</code> - output</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>instructions as string</dd>
</dl>
</li>
</ul>
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<h4>getCreateVarInstructions</h4>
<pre>public&nbsp;<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;getCreateVarInstructions(<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;outputFileName,
<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;outputLabel)</pre>
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