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| <div class="section" id="module-apache_beam.runners.direct.watermark_manager"> |
| <span id="apache-beam-runners-direct-watermark-manager-module"></span><h1>apache_beam.runners.direct.watermark_manager module<a class="headerlink" href="#module-apache_beam.runners.direct.watermark_manager" title="Permalink to this headline">¶</a></h1> |
| <p>Manages watermarks of PCollections and AppliedPTransforms.</p> |
| <dl class="class"> |
| <dt id="apache_beam.runners.direct.watermark_manager.WatermarkManager"> |
| <em class="property">class </em><code class="descclassname">apache_beam.runners.direct.watermark_manager.</code><code class="descname">WatermarkManager</code><span class="sig-paren">(</span><em>clock</em>, <em>root_transforms</em>, <em>value_to_consumers</em>, <em>transform_keyed_states</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/watermark_manager.html#WatermarkManager"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.direct.watermark_manager.WatermarkManager" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">future.types.newobject.newobject</span></code></p> |
| <p>For internal use only; no backwards-compatibility guarantees.</p> |
| <p>Tracks and updates watermarks for all AppliedPTransforms.</p> |
| <dl class="attribute"> |
| <dt id="apache_beam.runners.direct.watermark_manager.WatermarkManager.WATERMARK_POS_INF"> |
| <code class="descname">WATERMARK_POS_INF</code><em class="property"> = Timestamp(9223372036854.775807)</em><a class="headerlink" href="#apache_beam.runners.direct.watermark_manager.WatermarkManager.WATERMARK_POS_INF" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="attribute"> |
| <dt id="apache_beam.runners.direct.watermark_manager.WatermarkManager.WATERMARK_NEG_INF"> |
| <code class="descname">WATERMARK_NEG_INF</code><em class="property"> = Timestamp(-9223372036854.775808)</em><a class="headerlink" href="#apache_beam.runners.direct.watermark_manager.WatermarkManager.WATERMARK_NEG_INF" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.runners.direct.watermark_manager.WatermarkManager.get_watermarks"> |
| <code class="descname">get_watermarks</code><span class="sig-paren">(</span><em>applied_ptransform</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/watermark_manager.html#WatermarkManager.get_watermarks"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.direct.watermark_manager.WatermarkManager.get_watermarks" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Gets the input and output watermarks for an AppliedPTransform.</p> |
| <p>If the applied_ptransform has not processed any elements, return a |
| watermark with minimum value.</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"><strong>applied_ptransform</strong> – AppliedPTransform to get the watermarks for.</td> |
| </tr> |
| <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">A snapshot (TransformWatermarks) of the input watermark and output |
| watermark for the provided transform.</td> |
| </tr> |
| </tbody> |
| </table> |
| </dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.runners.direct.watermark_manager.WatermarkManager.update_watermarks"> |
| <code class="descname">update_watermarks</code><span class="sig-paren">(</span><em>completed_committed_bundle</em>, <em>applied_ptransform</em>, <em>completed_timers</em>, <em>outputs</em>, <em>unprocessed_bundles</em>, <em>keyed_earliest_holds</em>, <em>side_inputs_container</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/watermark_manager.html#WatermarkManager.update_watermarks"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.direct.watermark_manager.WatermarkManager.update_watermarks" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.runners.direct.watermark_manager.WatermarkManager.extract_all_timers"> |
| <code class="descname">extract_all_timers</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/runners/direct/watermark_manager.html#WatermarkManager.extract_all_timers"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.runners.direct.watermark_manager.WatermarkManager.extract_all_timers" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Extracts fired timers for all transforms |
| and reports if there are any timers set.</p> |
| </dd></dl> |
| |
| </dd></dl> |
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