blob: 1b8b5458d315443ba59fb26701b8dd355efc5e48 [file] [log] [blame]
<!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.flink.flink_streaming_impulse_source module &mdash; Apache Beam 2.38.0 documentation</title>
<script type="text/javascript" src="_static/js/modernizr.min.js"></script>
<script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></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/language_data.js"></script>
<script async="async" type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-AMS-MML_HTMLorMML"></script>
<script type="text/javascript" src="_static/js/theme.js"></script>
<link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="_static/pygments.css" type="text/css" />
<link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="search.html" />
<link rel="next" title="apache_beam.io.gcp package" href="apache_beam.io.gcp.html" />
<link rel="prev" title="apache_beam.io.flink package" href="apache_beam.io.flink.html" />
</head>
<body class="wy-body-for-nav">
<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 class="version">
2.38.0
</div>
<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.dataframe.html">apache_beam.dataframe 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 current"><a class="reference internal" href="apache_beam.io.html#subpackages">Subpackages</a><ul class="current">
<li class="toctree-l3"><a class="reference internal" href="apache_beam.io.aws.html">apache_beam.io.aws package</a></li>
<li class="toctree-l3"><a class="reference internal" href="apache_beam.io.azure.html">apache_beam.io.azure package</a></li>
<li class="toctree-l3"><a class="reference internal" href="apache_beam.io.external.html">apache_beam.io.external package</a></li>
<li class="toctree-l3 current"><a class="reference internal" href="apache_beam.io.flink.html">apache_beam.io.flink package</a><ul class="current">
<li class="toctree-l4 current"><a class="reference internal" href="apache_beam.io.flink.html#submodules">Submodules</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="apache_beam.io.gcp.html">apache_beam.io.gcp package</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="apache_beam.io.html#submodules">Submodules</a></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.ml.html">apache_beam.ml 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.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>
</ul>
</div>
</div>
</nav>
<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
<nav class="wy-nav-top" 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> &raquo;</li>
<li><a href="apache_beam.io.html">apache_beam.io package</a> &raquo;</li>
<li><a href="apache_beam.io.flink.html">apache_beam.io.flink package</a> &raquo;</li>
<li>apache_beam.io.flink.flink_streaming_impulse_source module</li>
<li class="wy-breadcrumbs-aside">
<a href="_sources/apache_beam.io.flink.flink_streaming_impulse_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.flink.flink_streaming_impulse_source">
<span id="apache-beam-io-flink-flink-streaming-impulse-source-module"></span><h1>apache_beam.io.flink.flink_streaming_impulse_source module<a class="headerlink" href="#module-apache_beam.io.flink.flink_streaming_impulse_source" title="Permalink to this headline"></a></h1>
<p>A PTransform that provides an unbounded, streaming source of empty byte arrays.</p>
<p>This can only be used with the flink runner.</p>
<dl class="class">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource">
<em class="property">class </em><code class="descclassname">apache_beam.io.flink.flink_streaming_impulse_source.</code><code class="descname">FlinkStreamingImpulseSource</code><span class="sig-paren">(</span><em>label=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/flink/flink_streaming_impulse_source.html#FlinkStreamingImpulseSource"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.ptransform.html#apache_beam.transforms.ptransform.PTransform" title="apache_beam.transforms.ptransform.PTransform"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.ptransform.PTransform</span></code></a></p>
<dl class="attribute">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.URN">
<code class="descname">URN</code><em class="property"> = 'flink:transform:streaming_impulse:v1'</em><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.URN" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.config">
<code class="descname">config</code><em class="property"> = {}</em><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.config" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.expand">
<code class="descname">expand</code><span class="sig-paren">(</span><em>pbegin</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/flink/flink_streaming_impulse_source.html#FlinkStreamingImpulseSource.expand"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.expand" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.get_windowing">
<code class="descname">get_windowing</code><span class="sig-paren">(</span><em>unused_inputs</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/flink/flink_streaming_impulse_source.html#FlinkStreamingImpulseSource.get_windowing"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.get_windowing" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.infer_output_type">
<code class="descname">infer_output_type</code><span class="sig-paren">(</span><em>unused_input_type</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/flink/flink_streaming_impulse_source.html#FlinkStreamingImpulseSource.infer_output_type"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.infer_output_type" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.to_runner_api_parameter">
<code class="descname">to_runner_api_parameter</code><span class="sig-paren">(</span><em>context</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/flink/flink_streaming_impulse_source.html#FlinkStreamingImpulseSource.to_runner_api_parameter"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.to_runner_api_parameter" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.set_interval_ms">
<code class="descname">set_interval_ms</code><span class="sig-paren">(</span><em>interval_ms</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/flink/flink_streaming_impulse_source.html#FlinkStreamingImpulseSource.set_interval_ms"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.set_interval_ms" title="Permalink to this definition"></a></dt>
<dd><p>Sets the interval (in milliseconds) between messages in the stream.</p>
</dd></dl>
<dl class="method">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.set_message_count">
<code class="descname">set_message_count</code><span class="sig-paren">(</span><em>message_count</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/flink/flink_streaming_impulse_source.html#FlinkStreamingImpulseSource.set_message_count"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.set_message_count" title="Permalink to this definition"></a></dt>
<dd><p>If non-zero, the stream will produce only this many total messages.
Otherwise produces an unbounded number of messages.</p>
</dd></dl>
<dl class="staticmethod">
<dt id="apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.from_runner_api_parameter">
<em class="property">static </em><code class="descname">from_runner_api_parameter</code><span class="sig-paren">(</span><em>_ptransform</em>, <em>spec_parameter</em>, <em>_context</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/flink/flink_streaming_impulse_source.html#FlinkStreamingImpulseSource.from_runner_api_parameter"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.flink.flink_streaming_impulse_source.FlinkStreamingImpulseSource.from_runner_api_parameter" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
</div>
</div>
</div>
<footer>
<div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
<a href="apache_beam.io.gcp.html" class="btn btn-neutral float-right" title="apache_beam.io.gcp package" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a>
<a href="apache_beam.io.flink.html" class="btn btn-neutral float-left" title="apache_beam.io.flink package" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a>
</div>
<hr/>
<div role="contentinfo">
<p>
&copy; Copyright
</p>
</div>
Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/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">
jQuery(function () {
SphinxRtdTheme.Navigation.enable(true);
});
</script>
</body>
</html>