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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> &#x2192; 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> &#x2192; 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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