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| <div class="section" id="module-apache_beam.runners.interactive.caching.reify"> |
| <span id="apache-beam-runners-interactive-caching-reify-module"></span><h1>apache_beam.runners.interactive.caching.reify module<a class="headerlink" href="#module-apache_beam.runners.interactive.caching.reify" title="Permalink to this headline">¶</a></h1> |
| <p>Module for transforms that reifies and unreifies PCollection values with |
| window info.</p> |
| <p>For internal use only; no backwards-compatibility guarantees.</p> |
| <dl class="class"> |
| <dt id="apache_beam.runners.interactive.caching.reify.Reify"> |
| <em class="property">class </em><code class="descclassname">apache_beam.runners.interactive.caching.reify.</code><code class="descname">Reify</code><span class="sig-paren">(</span><em>*unused_args</em>, <em>**unused_kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/interactive/caching/reify.html#Reify"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.interactive.caching.reify.Reify" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.core.html#apache_beam.transforms.core.DoFn" title="apache_beam.transforms.core.DoFn"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.core.DoFn</span></code></a></p> |
| <p>Reifies elements with window info into windowed values.</p> |
| <p>Internally used to capture window info with each element into cache for |
| replayability.</p> |
| <dl class="method"> |
| <dt id="apache_beam.runners.interactive.caching.reify.Reify.process"> |
| <code class="descname">process</code><span class="sig-paren">(</span><em>e</em>, <em>w=WindowParam</em>, <em>p=PaneInfoParam</em>, <em>t=TimestampParam</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/interactive/caching/reify.html#Reify.process"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.interactive.caching.reify.Reify.process" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.runners.interactive.caching.reify.Unreify"> |
| <em class="property">class </em><code class="descclassname">apache_beam.runners.interactive.caching.reify.</code><code class="descname">Unreify</code><span class="sig-paren">(</span><em>*unused_args</em>, <em>**unused_kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/interactive/caching/reify.html#Unreify"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.interactive.caching.reify.Unreify" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.core.html#apache_beam.transforms.core.DoFn" title="apache_beam.transforms.core.DoFn"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.core.DoFn</span></code></a></p> |
| <p>Unreifies elements from windowed values.</p> |
| <p>Cached values are elements with window info. This unpacks the elements.</p> |
| <dl class="method"> |
| <dt id="apache_beam.runners.interactive.caching.reify.Unreify.process"> |
| <code class="descname">process</code><span class="sig-paren">(</span><em>e</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/interactive/caching/reify.html#Unreify.process"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.interactive.caching.reify.Unreify.process" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.runners.interactive.caching.reify.reify_to_cache"> |
| <code class="descclassname">apache_beam.runners.interactive.caching.reify.</code><code class="descname">reify_to_cache</code><span class="sig-paren">(</span><em>pcoll: apache_beam.pvalue.PCollection</em>, <em>cache_key: str</em>, <em>cache_manager: apache_beam.runners.interactive.cache_manager.CacheManager</em>, <em>reify_label: Optional[str] = None</em>, <em>write_cache_label: Optional[str] = None</em>, <em>is_capture: bool = False</em><span class="sig-paren">)</span> → apache_beam.pvalue.PValue<a class="reference internal" href="_modules/apache_beam/runners/interactive/caching/reify.html#reify_to_cache"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.interactive.caching.reify.reify_to_cache" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Reifies elements into windowed values and write to cache.</p> |
| <table class="docutils field-list" frame="void" rules="none"> |
| <col class="field-name" /> |
| <col class="field-body" /> |
| <tbody valign="top"> |
| <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple"> |
| <li><strong>pcoll</strong> – The PCollection to be cached.</li> |
| <li><strong>cache_key</strong> – The key of the cache.</li> |
| <li><strong>cache_manager</strong> – The cache manager to manage the cache.</li> |
| <li><strong>reify_label</strong> – (optional) A transform label for the Reify transform.</li> |
| <li><strong>write_cache_label</strong> – (optional) A transform label for the cache-writing |
| transform.</li> |
| <li><strong>is_capture</strong> – Whether the cache is capturing a record of recordable sources.</li> |
| </ul> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.runners.interactive.caching.reify.unreify_from_cache"> |
| <code class="descclassname">apache_beam.runners.interactive.caching.reify.</code><code class="descname">unreify_from_cache</code><span class="sig-paren">(</span><em>pipeline: apache_beam.pipeline.Pipeline</em>, <em>cache_key: str</em>, <em>cache_manager: apache_beam.runners.interactive.cache_manager.CacheManager</em>, <em>element_type: Optional[type] = None</em>, <em>source_label: Optional[str] = None</em>, <em>unreify_label: Optional[str] = None</em><span class="sig-paren">)</span> → apache_beam.pvalue.PCollection<a class="reference internal" href="_modules/apache_beam/runners/interactive/caching/reify.html#unreify_from_cache"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.interactive.caching.reify.unreify_from_cache" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Reads from cache and unreifies elements from windowed values.</p> |
| <p>pipeline: The pipeline that’s reading from the cache. |
| cache_key: The key of the cache. |
| cache_manager: The cache manager to manage the cache. |
| element_type: (optional) The element type of the PCollection’s elements. |
| source_label: (optional) A transform label for the cache-reading transform. |
| unreify_label: (optional) A transform label for the Unreify transform.</p> |
| </dd></dl> |
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