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| <section id="module-apache_beam.runners.interactive.user_pipeline_tracker"> |
| <span id="apache-beam-runners-interactive-user-pipeline-tracker-module"></span><h1>apache_beam.runners.interactive.user_pipeline_tracker module<a class="headerlink" href="#module-apache_beam.runners.interactive.user_pipeline_tracker" title="Link to this heading"></a></h1> |
| <p>Class that tracks derived/pipeline fragments from user pipelines.</p> |
| <p>For internal use only; no backwards-compatibility guarantees. |
| In the InteractiveRunner the design is to keep the user pipeline unchanged, |
| create a copy of the user pipeline, and modify the copy. When the derived |
| pipeline runs, there should only be per-user pipeline state. This makes sure |
| that derived pipelines can link back to the parent user pipeline.</p> |
| <dl class="py class"> |
| <dt class="sig sig-object py" id="apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker"> |
| <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.runners.interactive.user_pipeline_tracker.</span></span><span class="sig-name descname"><span class="pre">UserPipelineTracker</span></span><a class="reference internal" href="_modules/apache_beam/runners/interactive/user_pipeline_tracker.html#UserPipelineTracker"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker" 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>Tracks user pipelines from derived pipelines.</p> |
| <p>This data structure is similar to a disjoint set data structure. A derived |
| pipeline can only have one parent user pipeline. A user pipeline can have many |
| derived pipelines.</p> |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.evict"> |
| <span class="sig-name descname"><span class="pre">evict</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pipeline</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.pipeline.html#apache_beam.pipeline.Pipeline" title="apache_beam.pipeline.Pipeline"><span class="pre">Pipeline</span></a></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></span></span><a class="reference internal" href="_modules/apache_beam/runners/interactive/user_pipeline_tracker.html#UserPipelineTracker.evict"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.evict" title="Link to this definition"></a></dt> |
| <dd><p>Evicts the pipeline.</p> |
| <p>Removes the given pipeline and derived pipelines if a user pipeline. |
| Otherwise, removes the given derived pipeline.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.clear"> |
| <span class="sig-name descname"><span class="pre">clear</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></span></span><a class="reference internal" href="_modules/apache_beam/runners/interactive/user_pipeline_tracker.html#UserPipelineTracker.clear"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.clear" title="Link to this definition"></a></dt> |
| <dd><p>Clears the tracker of all user and derived pipelines.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.get_pipeline"> |
| <span class="sig-name descname"><span class="pre">get_pipeline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pid</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.13)"><span class="pre">str</span></a></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="apache_beam.pipeline.html#apache_beam.pipeline.Pipeline" title="apache_beam.pipeline.Pipeline"><span class="pre">Pipeline</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></span></span><a class="reference internal" href="_modules/apache_beam/runners/interactive/user_pipeline_tracker.html#UserPipelineTracker.get_pipeline"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.get_pipeline" title="Link to this definition"></a></dt> |
| <dd><p>Returns the pipeline corresponding to the given pipeline id.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.add_user_pipeline"> |
| <span class="sig-name descname"><span class="pre">add_user_pipeline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.pipeline.html#apache_beam.pipeline.Pipeline" title="apache_beam.pipeline.Pipeline"><span class="pre">Pipeline</span></a></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="apache_beam.pipeline.html#apache_beam.pipeline.Pipeline" title="apache_beam.pipeline.Pipeline"><span class="pre">Pipeline</span></a></span></span><a class="reference internal" href="_modules/apache_beam/runners/interactive/user_pipeline_tracker.html#UserPipelineTracker.add_user_pipeline"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.add_user_pipeline" title="Link to this definition"></a></dt> |
| <dd><p>Adds a user pipeline with an empty set of derived pipelines.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.add_derived_pipeline"> |
| <span class="sig-name descname"><span class="pre">add_derived_pipeline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">maybe_user_pipeline</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.pipeline.html#apache_beam.pipeline.Pipeline" title="apache_beam.pipeline.Pipeline"><span class="pre">Pipeline</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">derived_pipeline</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.pipeline.html#apache_beam.pipeline.Pipeline" title="apache_beam.pipeline.Pipeline"><span class="pre">Pipeline</span></a></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></span></span><a class="reference internal" href="_modules/apache_beam/runners/interactive/user_pipeline_tracker.html#UserPipelineTracker.add_derived_pipeline"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.add_derived_pipeline" title="Link to this definition"></a></dt> |
| <dd><p>Adds a derived pipeline with the user pipeline.</p> |
| <p>If the <cite>maybe_user_pipeline</cite> is a user pipeline, then the derived pipeline |
| will be added to its set. Otherwise, the derived pipeline will be added to |
| the user pipeline of the <cite>maybe_user_pipeline</cite>.</p> |
| <p>By doing the above one can do: |
| p = beam.Pipeline()</p> |
| <p>derived1 = beam.Pipeline() |
| derived2 = beam.Pipeline()</p> |
| <p>ut = UserPipelineTracker() |
| ut.add_derived_pipeline(p, derived1) |
| ut.add_derived_pipeline(derived1, derived2)</p> |
| <p># Returns p. |
| ut.get_user_pipeline(derived2)</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.get_user_pipeline"> |
| <span class="sig-name descname"><span class="pre">get_user_pipeline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">p</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.pipeline.html#apache_beam.pipeline.Pipeline" title="apache_beam.pipeline.Pipeline"><span class="pre">Pipeline</span></a></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="apache_beam.pipeline.html#apache_beam.pipeline.Pipeline" title="apache_beam.pipeline.Pipeline"><span class="pre">Pipeline</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></span></span><a class="reference internal" href="_modules/apache_beam/runners/interactive/user_pipeline_tracker.html#UserPipelineTracker.get_user_pipeline"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.runners.interactive.user_pipeline_tracker.UserPipelineTracker.get_user_pipeline" title="Link to this definition"></a></dt> |
| <dd><p>Returns the user pipeline of the given pipeline.</p> |
| <p>If the given pipeline has no user pipeline, i.e. not added to this tracker, |
| then this returns None. If the given pipeline is a user pipeline then this |
| returns the same pipeline. If the given pipeline is a derived pipeline then |
| this returns the user pipeline.</p> |
| </dd></dl> |
| |
| </dd></dl> |
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