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| <div class="section" id="dag"> |
| <h1>Dag<a class="headerlink" href="#dag" title="Permalink to this headline">¶</a></h1> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>OPS! For internal use!</p> |
| </div> |
| <span class="target" id="module-systemds.script_building.dag"></span><dl class="py class"> |
| <dt id="systemds.script_building.dag.DAGNode"> |
| <em class="property">class </em><code class="sig-prename descclassname">systemds.script_building.dag.</code><code class="sig-name descname">DAGNode</code><a class="headerlink" href="#systemds.script_building.dag.DAGNode" title="Permalink to this definition">¶</a></dt> |
| <dd><p>A Node in the directed-acyclic-graph (DAG) defining all operations.</p> |
| <dl class="py method"> |
| <dt id="systemds.script_building.dag.DAGNode.code_line"> |
| <code class="sig-name descname">code_line</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">var_name</span><span class="p">:</span> <span class="n">str</span></em>, <em class="sig-param"><span class="n">unnamed_input_vars</span><span class="p">:</span> <span class="n">Sequence<span class="p">[</span>str<span class="p">]</span></span></em>, <em class="sig-param"><span class="n">named_input_vars</span><span class="p">:</span> <span class="n">Dict<span class="p">[</span>str<span class="p">, </span>str<span class="p">]</span></span></em><span class="sig-paren">)</span> → str<a class="headerlink" href="#systemds.script_building.dag.DAGNode.code_line" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Generates the DML code line equal to the intended action of this node.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>var_name</strong> – Name of DML-variable this nodes result should be saved in</p></li> |
| <li><p><strong>unnamed_input_vars</strong> – all strings representing the unnamed parameters</p></li> |
| <li><p><strong>named_input_vars</strong> – all strings representing the named parameters (name value pairs)</p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns</dt> |
| <dd class="field-even"><p>the DML code line that is equal to this operation</p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt id="systemds.script_building.dag.DAGNode.compute"> |
| <code class="sig-name descname">compute</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">verbose</span><span class="p">:</span> <span class="n">bool</span> <span class="o">=</span> <span class="default_value">False</span></em>, <em class="sig-param"><span class="n">lineage</span><span class="p">:</span> <span class="n">bool</span> <span class="o">=</span> <span class="default_value">False</span></em><span class="sig-paren">)</span> → Any<a class="headerlink" href="#systemds.script_building.dag.DAGNode.compute" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Get result of this operation. Builds the dml script and executes it in SystemDS, before this method is called |
| all operations are only building the DAG without actually executing (lazy evaluation).</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>verbose</strong> – Can be activated to print additional information such as created DML-Script</p></li> |
| <li><p><strong>lineage</strong> – Can be activated to print lineage trace till this node</p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns</dt> |
| <dd class="field-even"><p>the output as an python builtin data type or numpy array</p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt id="systemds.script_building.dag.DAGNode.get_lineage_trace"> |
| <code class="sig-name descname">get_lineage_trace</code><span class="sig-paren">(</span><span class="sig-paren">)</span> → str<a class="headerlink" href="#systemds.script_building.dag.DAGNode.get_lineage_trace" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Get lineage trace of this operation. This executes the dml script but unlike compute, |
| doesn’t store the results</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt id="systemds.script_building.dag.DAGNode.pass_python_data_to_prepared_script"> |
| <code class="sig-name descname">pass_python_data_to_prepared_script</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">jvm</span><span class="p">:</span> <span class="n">py4j.java_gateway.JVMView</span></em>, <em class="sig-param"><span class="n">var_name</span><span class="p">:</span> <span class="n">str</span></em>, <em class="sig-param"><span class="n">prepared_script</span><span class="p">:</span> <span class="n">py4j.java_gateway.JavaObject</span></em><span class="sig-paren">)</span> → None<a class="headerlink" href="#systemds.script_building.dag.DAGNode.pass_python_data_to_prepared_script" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Passes data from python to the prepared script object.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>jvm</strong> – the java virtual machine object</p></li> |
| <li><p><strong>var_name</strong> – the variable name the data should get in java</p></li> |
| <li><p><strong>prepared_script</strong> – the prepared script</p></li> |
| </ul> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="py class"> |
| <dt id="systemds.script_building.dag.OutputType"> |
| <em class="property">class </em><code class="sig-prename descclassname">systemds.script_building.dag.</code><code class="sig-name descname">OutputType</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">value</span></em><span class="sig-paren">)</span><a class="headerlink" href="#systemds.script_building.dag.OutputType" title="Permalink to this definition">¶</a></dt> |
| <dd><p>An enumeration.</p> |
| </dd></dl> |
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