| |
| |
| <!DOCTYPE html> |
| <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> |
| <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> |
| <head> |
| <meta charset="utf-8"> |
| |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| |
| <title>apache_beam.io.concat_source module — Apache Beam documentation</title> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <link rel="stylesheet" href="_static/css/theme.css" type="text/css" /> |
| |
| |
| |
| |
| |
| <link rel="index" title="Index" |
| href="genindex.html"/> |
| <link rel="search" title="Search" href="search.html"/> |
| <link rel="top" title="Apache Beam documentation" href="index.html"/> |
| <link rel="up" title="apache_beam.io package" href="apache_beam.io.html"/> |
| <link rel="next" title="apache_beam.io.filebasedsink module" href="apache_beam.io.filebasedsink.html"/> |
| <link rel="prev" title="apache_beam.io.avroio module" href="apache_beam.io.avroio.html"/> |
| |
| |
| <script src="_static/js/modernizr.min.js"></script> |
| |
| </head> |
| |
| <body class="wy-body-for-nav" role="document"> |
| |
| |
| <div class="wy-grid-for-nav"> |
| |
| |
| <nav data-toggle="wy-nav-shift" class="wy-nav-side"> |
| <div class="wy-side-scroll"> |
| <div class="wy-side-nav-search"> |
| |
| |
| |
| <a href="index.html" class="icon icon-home"> Apache Beam |
| |
| |
| |
| </a> |
| |
| |
| |
| |
| |
| |
| |
| <div role="search"> |
| <form id="rtd-search-form" class="wy-form" action="search.html" method="get"> |
| <input type="text" name="q" placeholder="Search docs" /> |
| <input type="hidden" name="check_keywords" value="yes" /> |
| <input type="hidden" name="area" value="default" /> |
| </form> |
| </div> |
| |
| |
| </div> |
| |
| <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> |
| |
| |
| |
| |
| |
| |
| <ul class="current"> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.coders.html">apache_beam.coders package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.internal.html">apache_beam.internal package</a></li> |
| <li class="toctree-l1 current"><a class="reference internal" href="apache_beam.io.html">apache_beam.io package</a><ul class="current"> |
| <li class="toctree-l2"><a class="reference internal" href="apache_beam.io.html#subpackages">Subpackages</a></li> |
| <li class="toctree-l2 current"><a class="reference internal" href="apache_beam.io.html#submodules">Submodules</a><ul class="current"> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.avroio.html">apache_beam.io.avroio module</a></li> |
| <li class="toctree-l3 current"><a class="current reference internal" href="#">apache_beam.io.concat_source module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filebasedsink.html">apache_beam.io.filebasedsink module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filebasedsource.html">apache_beam.io.filebasedsource module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filesystem.html">apache_beam.io.filesystem module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filesystemio.html">apache_beam.io.filesystemio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filesystems.html">apache_beam.io.filesystems module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.hadoopfilesystem.html">apache_beam.io.hadoopfilesystem module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.iobase.html">apache_beam.io.iobase module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.localfilesystem.html">apache_beam.io.localfilesystem module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.range_trackers.html">apache_beam.io.range_trackers module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.restriction_trackers.html">apache_beam.io.restriction_trackers module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.source_test_utils.html">apache_beam.io.source_test_utils module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.textio.html">apache_beam.io.textio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.tfrecordio.html">apache_beam.io.tfrecordio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.utils.html">apache_beam.io.utils module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.vcfio.html">apache_beam.io.vcfio module</a></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.metrics.html">apache_beam.metrics package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.options.html">apache_beam.options package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.portability.html">apache_beam.portability package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.runners.html">apache_beam.runners package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.testing.html">apache_beam.testing package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.tools.html">apache_beam.tools package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.transforms.html">apache_beam.transforms package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.typehints.html">apache_beam.typehints package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.utils.html">apache_beam.utils package</a></li> |
| </ul> |
| <ul> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.error.html">apache_beam.error module</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.pipeline.html">apache_beam.pipeline module</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.pvalue.html">apache_beam.pvalue module</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.version.html">apache_beam.version module</a></li> |
| </ul> |
| |
| |
| |
| </div> |
| </div> |
| </nav> |
| |
| <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> |
| |
| |
| <nav class="wy-nav-top" role="navigation" aria-label="top navigation"> |
| |
| <i data-toggle="wy-nav-top" class="fa fa-bars"></i> |
| <a href="index.html">Apache Beam</a> |
| |
| </nav> |
| |
| |
| |
| <div class="wy-nav-content"> |
| <div class="rst-content"> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <div role="navigation" aria-label="breadcrumbs navigation"> |
| |
| <ul class="wy-breadcrumbs"> |
| |
| <li><a href="index.html">Docs</a> »</li> |
| |
| <li><a href="apache_beam.io.html">apache_beam.io package</a> »</li> |
| |
| <li>apache_beam.io.concat_source module</li> |
| |
| |
| <li class="wy-breadcrumbs-aside"> |
| |
| |
| <a href="_sources/apache_beam.io.concat_source.rst.txt" rel="nofollow"> View page source</a> |
| |
| |
| </li> |
| |
| </ul> |
| |
| |
| <hr/> |
| </div> |
| <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> |
| <div itemprop="articleBody"> |
| |
| <div class="section" id="module-apache_beam.io.concat_source"> |
| <span id="apache-beam-io-concat-source-module"></span><h1>apache_beam.io.concat_source module<a class="headerlink" href="#module-apache_beam.io.concat_source" title="Permalink to this headline">¶</a></h1> |
| <p>For internal use only; no backwards-compatibility guarantees.</p> |
| <p>Concat Source, which reads the union of several other sources.</p> |
| <dl class="class"> |
| <dt id="apache_beam.io.concat_source.ConcatSource"> |
| <em class="property">class </em><code class="descclassname">apache_beam.io.concat_source.</code><code class="descname">ConcatSource</code><span class="sig-paren">(</span><em>sources</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatSource"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatSource" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.io.iobase.html#apache_beam.io.iobase.BoundedSource" title="apache_beam.io.iobase.BoundedSource"><code class="xref py py-class docutils literal"><span class="pre">apache_beam.io.iobase.BoundedSource</span></code></a></p> |
| <p>For internal use only; no backwards-compatibility guarantees.</p> |
| <p>A <code class="docutils literal"><span class="pre">BoundedSource</span></code> that can group a set of <code class="docutils literal"><span class="pre">BoundedSources</span></code>.</p> |
| <p>Primarily for internal use, use the <code class="docutils literal"><span class="pre">apache_beam.Flatten</span></code> transform |
| to create the union of several reads.</p> |
| <dl class="attribute"> |
| <dt id="apache_beam.io.concat_source.ConcatSource.sources"> |
| <code class="descname">sources</code><a class="headerlink" href="#apache_beam.io.concat_source.ConcatSource.sources" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatSource.estimate_size"> |
| <code class="descname">estimate_size</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatSource.estimate_size"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatSource.estimate_size" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatSource.split"> |
| <code class="descname">split</code><span class="sig-paren">(</span><em>desired_bundle_size=None</em>, <em>start_position=None</em>, <em>stop_position=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatSource.split"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatSource.split" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatSource.get_range_tracker"> |
| <code class="descname">get_range_tracker</code><span class="sig-paren">(</span><em>start_position=None</em>, <em>stop_position=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatSource.get_range_tracker"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatSource.get_range_tracker" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatSource.read"> |
| <code class="descname">read</code><span class="sig-paren">(</span><em>range_tracker</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatSource.read"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatSource.read" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatSource.default_output_coder"> |
| <code class="descname">default_output_coder</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatSource.default_output_coder"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatSource.default_output_coder" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker"> |
| <em class="property">class </em><code class="descclassname">apache_beam.io.concat_source.</code><code class="descname">ConcatRangeTracker</code><span class="sig-paren">(</span><em>start</em>, <em>end</em>, <em>source_bundles</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.io.iobase.html#apache_beam.io.iobase.RangeTracker" title="apache_beam.io.iobase.RangeTracker"><code class="xref py py-class docutils literal"><span class="pre">apache_beam.io.iobase.RangeTracker</span></code></a></p> |
| <p>For internal use only; no backwards-compatibility guarantees.</p> |
| <p>Range tracker for ConcatSource</p> |
| <p>Initializes <code class="docutils literal"><span class="pre">ConcatRangeTracker</span></code></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>start</strong> – start position, a tuple of (source_index, source_position)</li> |
| <li><strong>end</strong> – end position, a tuple of (source_index, source_position)</li> |
| <li><strong>source_bundles</strong> – the list of source bundles in the ConcatSource</li> |
| </ul> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.start_position"> |
| <code class="descname">start_position</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.start_position"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.start_position" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.stop_position"> |
| <code class="descname">stop_position</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.stop_position"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.stop_position" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.try_claim"> |
| <code class="descname">try_claim</code><span class="sig-paren">(</span><em>pos</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.try_claim"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.try_claim" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.try_split"> |
| <code class="descname">try_split</code><span class="sig-paren">(</span><em>pos</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.try_split"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.try_split" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.set_current_position"> |
| <code class="descname">set_current_position</code><span class="sig-paren">(</span><em>pos</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.set_current_position"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.set_current_position" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.position_at_fraction"> |
| <code class="descname">position_at_fraction</code><span class="sig-paren">(</span><em>fraction</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.position_at_fraction"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.position_at_fraction" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.fraction_consumed"> |
| <code class="descname">fraction_consumed</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.fraction_consumed"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.fraction_consumed" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.local_to_global"> |
| <code class="descname">local_to_global</code><span class="sig-paren">(</span><em>source_ix</em>, <em>source_frac</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.local_to_global"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.local_to_global" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.global_to_local"> |
| <code class="descname">global_to_local</code><span class="sig-paren">(</span><em>frac</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.global_to_local"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.global_to_local" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.io.concat_source.ConcatRangeTracker.sub_range_tracker"> |
| <code class="descname">sub_range_tracker</code><span class="sig-paren">(</span><em>source_ix</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/concat_source.html#ConcatRangeTracker.sub_range_tracker"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.concat_source.ConcatRangeTracker.sub_range_tracker" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| </div> |
| |
| |
| </div> |
| <div class="articleComments"> |
| |
| </div> |
| </div> |
| <footer> |
| |
| <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> |
| |
| <a href="apache_beam.io.filebasedsink.html" class="btn btn-neutral float-right" title="apache_beam.io.filebasedsink module" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a> |
| |
| |
| <a href="apache_beam.io.avroio.html" class="btn btn-neutral" title="apache_beam.io.avroio module" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a> |
| |
| </div> |
| |
| |
| <hr/> |
| |
| <div role="contentinfo"> |
| <p> |
| © Copyright . |
| |
| </p> |
| </div> |
| Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. |
| |
| </footer> |
| |
| </div> |
| </div> |
| |
| </section> |
| |
| </div> |
| |
| |
| |
| |
| |
| <script type="text/javascript"> |
| var DOCUMENTATION_OPTIONS = { |
| URL_ROOT:'./', |
| VERSION:'', |
| COLLAPSE_INDEX:false, |
| FILE_SUFFIX:'.html', |
| HAS_SOURCE: true, |
| SOURCELINK_SUFFIX: '.txt' |
| }; |
| </script> |
| <script type="text/javascript" src="_static/jquery.js"></script> |
| <script type="text/javascript" src="_static/underscore.js"></script> |
| <script type="text/javascript" src="_static/doctools.js"></script> |
| |
| |
| |
| |
| |
| <script type="text/javascript" src="_static/js/theme.js"></script> |
| |
| |
| |
| |
| <script type="text/javascript"> |
| jQuery(function () { |
| SphinxRtdTheme.StickyNav.enable(); |
| }); |
| </script> |
| |
| |
| </body> |
| </html> |