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| <section id="module-apache_beam.runners.direct.transform_evaluator"> |
| <span id="apache-beam-runners-direct-transform-evaluator-module"></span><h1>apache_beam.runners.direct.transform_evaluator module<a class="headerlink" href="#module-apache_beam.runners.direct.transform_evaluator" title="Link to this heading"></a></h1> |
| <p>An evaluator of a specific application of a transform.</p> |
| <dl class="py class"> |
| <dt class="sig sig-object py" id="apache_beam.runners.direct.transform_evaluator.TransformEvaluatorRegistry"> |
| <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.runners.direct.transform_evaluator.</span></span><span class="sig-name descname"><span class="pre">TransformEvaluatorRegistry</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">evaluation_context</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.runners.direct.evaluation_context.html#apache_beam.runners.direct.evaluation_context.EvaluationContext" title="apache_beam.runners.direct.evaluation_context.EvaluationContext"><span class="pre">EvaluationContext</span></a></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/transform_evaluator.html#TransformEvaluatorRegistry"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.direct.transform_evaluator.TransformEvaluatorRegistry" title="Link to this definition"></a></dt> |
| <dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.13)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p> |
| <p>For internal use only; no backwards-compatibility guarantees.</p> |
| <p>Creates instances of TransformEvaluator for the application of a transform.</p> |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.direct.transform_evaluator.TransformEvaluatorRegistry.get_evaluator"> |
| <span class="sig-name descname"><span class="pre">get_evaluator</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">applied_ptransform</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">input_committed_bundle</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">side_inputs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/transform_evaluator.html#TransformEvaluatorRegistry.get_evaluator"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.direct.transform_evaluator.TransformEvaluatorRegistry.get_evaluator" title="Link to this definition"></a></dt> |
| <dd><p>Returns a TransformEvaluator suitable for processing given inputs.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.direct.transform_evaluator.TransformEvaluatorRegistry.get_root_bundle_provider"> |
| <span class="sig-name descname"><span class="pre">get_root_bundle_provider</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">applied_ptransform</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/transform_evaluator.html#TransformEvaluatorRegistry.get_root_bundle_provider"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.direct.transform_evaluator.TransformEvaluatorRegistry.get_root_bundle_provider" title="Link to this definition"></a></dt> |
| <dd></dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.direct.transform_evaluator.TransformEvaluatorRegistry.should_execute_serially"> |
| <span class="sig-name descname"><span class="pre">should_execute_serially</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">applied_ptransform</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/transform_evaluator.html#TransformEvaluatorRegistry.should_execute_serially"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.direct.transform_evaluator.TransformEvaluatorRegistry.should_execute_serially" title="Link to this definition"></a></dt> |
| <dd><p>Returns True if this applied_ptransform should run one bundle at a time.</p> |
| <p>Some TransformEvaluators use a global state object to keep track of their |
| global execution state. For example evaluator for _GroupByKeyOnly uses this |
| state as an in memory dictionary to buffer keys.</p> |
| <p>Serially executed evaluators will act as syncing point in the graph and |
| execution will not move forward until they receive all of their inputs. Once |
| they receive all of their input, they will release the combined output. |
| Their output may consist of multiple bundles as they may divide their output |
| into pieces before releasing.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters<span class="colon">:</span></dt> |
| <dd class="field-odd"><p><strong>applied_ptransform</strong> – Transform to be used for execution.</p> |
| </dd> |
| <dt class="field-even">Returns<span class="colon">:</span></dt> |
| <dd class="field-even"><p>True if executor should execute applied_ptransform serially.</p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="py class"> |
| <dt class="sig sig-object py" id="apache_beam.runners.direct.transform_evaluator.RootBundleProvider"> |
| <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.runners.direct.transform_evaluator.</span></span><span class="sig-name descname"><span class="pre">RootBundleProvider</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">evaluation_context</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">applied_ptransform</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/transform_evaluator.html#RootBundleProvider"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.direct.transform_evaluator.RootBundleProvider" title="Link to this definition"></a></dt> |
| <dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.13)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p> |
| <p>Provides bundles for the initial execution of a root transform.</p> |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.direct.transform_evaluator.RootBundleProvider.get_root_bundles"> |
| <span class="sig-name descname"><span class="pre">get_root_bundles</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/transform_evaluator.html#RootBundleProvider.get_root_bundles"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.direct.transform_evaluator.RootBundleProvider.get_root_bundles" title="Link to this definition"></a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="py class"> |
| <dt class="sig sig-object py" id="apache_beam.runners.direct.transform_evaluator.DefaultRootBundleProvider"> |
| <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.runners.direct.transform_evaluator.</span></span><span class="sig-name descname"><span class="pre">DefaultRootBundleProvider</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">evaluation_context</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">applied_ptransform</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/transform_evaluator.html#DefaultRootBundleProvider"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.direct.transform_evaluator.DefaultRootBundleProvider" title="Link to this definition"></a></dt> |
| <dd><p>Bases: <a class="reference internal" href="#apache_beam.runners.direct.transform_evaluator.RootBundleProvider" title="apache_beam.runners.direct.transform_evaluator.RootBundleProvider"><code class="xref py py-class docutils literal notranslate"><span class="pre">RootBundleProvider</span></code></a></p> |
| <p>Provides an empty bundle by default for root transforms.</p> |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.direct.transform_evaluator.DefaultRootBundleProvider.get_root_bundles"> |
| <span class="sig-name descname"><span class="pre">get_root_bundles</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/transform_evaluator.html#DefaultRootBundleProvider.get_root_bundles"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.direct.transform_evaluator.DefaultRootBundleProvider.get_root_bundles" title="Link to this definition"></a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
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