blob: 2c9f813ad023b7998510ab85bb52c44aeabade67 [file] [log] [blame]
<!DOCTYPE HTML>
<!-- NewPage -->
<html lang="en">
<head>
<!-- Generated by javadoc (11.0.18) on Wed Mar 01 02:01:42 GMT 2023 -->
<title>org.apache.heron.streamlet (Heron Java API)</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="dc.created" content="2023-03-01">
<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../../jquery/jquery-ui.min.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../../jquery-ui.overrides.css" title="Style">
<script type="text/javascript" src="../../../../script.js"></script>
<script type="text/javascript" src="../../../../jquery/jszip/dist/jszip.min.js"></script>
<script type="text/javascript" src="../../../../jquery/jszip-utils/dist/jszip-utils.min.js"></script>
<!--[if IE]>
<script type="text/javascript" src="../../../../jquery/jszip-utils/dist/jszip-utils-ie.min.js"></script>
<![endif]-->
<script type="text/javascript" src="../../../../jquery/jquery-3.6.0.min.js"></script>
<script type="text/javascript" src="../../../../jquery/jquery-ui.min.js"></script>
</head>
<body>
<script type="text/javascript"><!--
try {
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="org.apache.heron.streamlet (Heron Java API)";
}
}
catch(err) {
}
//-->
var pathtoroot = "../../../../";
var useModuleDirectories = true;
loadScripts(document, 'script');</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<header role="banner">
<nav role="navigation">
<div class="fixedNav">
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a id="navbar.top">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
<a id="navbar.top.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../index.html">Overview</a></li>
<li class="navBarCell1Rev">Package</li>
<li>Class</li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../index-all.html">Index</a></li>
<li><a href="../../../../help-doc.html">Help</a></li>
</ul>
</div>
<div class="subNav">
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../allclasses.html">All&nbsp;Classes</a></li>
</ul>
<ul class="navListSearch">
<li><label for="search">SEARCH:</label>
<input type="text" id="search" value="search" disabled="disabled">
<input type="reset" id="reset" value="reset" disabled="disabled">
</li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
</div>
<a id="skip.navbar.top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
</div>
<div class="navPadding">&nbsp;</div>
<script type="text/javascript"><!--
$('.navPadding').css('padding-top', $('.fixedNav').css("height"));
//-->
</script>
</nav>
</header>
<main role="main">
<div class="header">
<h1 title="Package" class="title">Package&nbsp;org.apache.heron.streamlet</h1>
</div>
<div class="contentContainer">
<ul class="blockList">
<li class="blockList">
<table class="typeSummary">
<caption><span>Interface Summary</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="Builder.html" title="interface in org.apache.heron.streamlet">Builder</a></th>
<td class="colLast">
<div class="block">Builder is used to register all sources.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="Context.html" title="interface in org.apache.heron.streamlet">Context</a></th>
<td class="colLast">
<div class="block">Context is the information available at runtime for operators like transform.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="IStreamletBasicOperator.html" title="interface in org.apache.heron.streamlet">IStreamletBasicOperator</a>&lt;R,&#8203;T&gt;</th>
<td class="colLast">
<div class="block">The interface for streamlet operators.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="IStreamletOperator.html" title="interface in org.apache.heron.streamlet">IStreamletOperator</a>&lt;R,&#8203;T&gt;</th>
<td class="colLast">
<div class="block">The base interface for all Streamlet operator interfaces.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="IStreamletRichOperator.html" title="interface in org.apache.heron.streamlet">IStreamletRichOperator</a>&lt;R,&#8203;T&gt;</th>
<td class="colLast">
<div class="block">The interface for custom operators: it can be used to create
operators based on existing Bolts (subclasses of IRichBolt).</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="IStreamletWindowOperator.html" title="interface in org.apache.heron.streamlet">IStreamletWindowOperator</a>&lt;R,&#8203;T&gt;</th>
<td class="colLast">
<div class="block">The interface for streamlet operators.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="KVStreamlet.html" title="interface in org.apache.heron.streamlet">KVStreamlet</a>&lt;K,&#8203;V&gt;</th>
<td class="colLast">
<div class="block">A KVStreamlet is a Streamlet with KeyValue data.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="SerializableBiFunction.html" title="interface in org.apache.heron.streamlet">SerializableBiFunction</a>&lt;A,&#8203;B,&#8203;C&gt;</th>
<td class="colLast">
<div class="block">All user supplied transformation functions have to be serializable.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="SerializableBinaryOperator.html" title="interface in org.apache.heron.streamlet">SerializableBinaryOperator</a>&lt;T&gt;</th>
<td class="colLast">
<div class="block">All user supplied transformation functions have to be serializable.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="SerializableConsumer.html" title="interface in org.apache.heron.streamlet">SerializableConsumer</a>&lt;T&gt;</th>
<td class="colLast">
<div class="block">All user supplied transformation functions have to be serializable.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="SerializableFunction.html" title="interface in org.apache.heron.streamlet">SerializableFunction</a>&lt;A,&#8203;B&gt;</th>
<td class="colLast">
<div class="block">All user supplied transformation functions have to be serializable.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="SerializablePredicate.html" title="interface in org.apache.heron.streamlet">SerializablePredicate</a>&lt;T&gt;</th>
<td class="colLast">
<div class="block">All user supplied transformation functions have to be serializable.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="SerializableSupplier.html" title="interface in org.apache.heron.streamlet">SerializableSupplier</a>&lt;T&gt;</th>
<td class="colLast">
<div class="block">All user supplied transformation functions have to be serializable.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="SerializableTransformer.html" title="interface in org.apache.heron.streamlet">SerializableTransformer</a>&lt;I,&#8203;O&gt;</th>
<td class="colLast">
<div class="block">All user supplied transformation functions have to be serializable.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="Sink.html" title="interface in org.apache.heron.streamlet">Sink</a>&lt;T&gt;</th>
<td class="colLast">
<div class="block">Sink is how Streamlet's end.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="Source.html" title="interface in org.apache.heron.streamlet">Source</a>&lt;T&gt;</th>
<td class="colLast">
<div class="block">Source is how Streamlet's originate.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="Streamlet.html" title="interface in org.apache.heron.streamlet">Streamlet</a>&lt;R&gt;</th>
<td class="colLast">
<div class="block">A Streamlet is a (potentially unbounded) ordered collection of tuples.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="StreamletBase.html" title="interface in org.apache.heron.streamlet">StreamletBase</a>&lt;R&gt;</th>
<td class="colLast">
<div class="block">A Streamlet is a (potentially unbounded) ordered collection of tuples.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="WindowConfig.html" title="interface in org.apache.heron.streamlet">WindowConfig</a></th>
<td class="colLast">
<div class="block">WindowConfig allows Streamlet API users to program window configuration for operations
that rely on windowing.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList">
<table class="typeSummary">
<caption><span>Class Summary</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="Config.html" title="class in org.apache.heron.streamlet">Config</a></th>
<td class="colLast">
<div class="block">Config is the way users configure the execution of the topology.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="Config.Builder.html" title="class in org.apache.heron.streamlet">Config.Builder</a></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="KeyedWindow.html" title="class in org.apache.heron.streamlet">KeyedWindow</a>&lt;T&gt;</th>
<td class="colLast">
<div class="block">Transformation depending on Windowing pass on the window/key information
using this class</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="KeyValue.html" title="class in org.apache.heron.streamlet">KeyValue</a>&lt;K,&#8203;V&gt;</th>
<td class="colLast">
<div class="block">Certain operations in the Streamlet API, like join/reduce, necessitate
the concept of key value pairs.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="Runner.html" title="class in org.apache.heron.streamlet">Runner</a></th>
<td class="colLast">
<div class="block">Runner is used to run a topology that is built by the builder.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="StreamletReducers.html" title="class in org.apache.heron.streamlet">StreamletReducers</a></th>
<td class="colLast">
<div class="block">This class contains a few standard reduces that can be used with
Streamlet reduce functions such as reduceByKeyAndWindow.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="StreamletReducersTest.html" title="class in org.apache.heron.streamlet">StreamletReducersTest</a></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="Window.html" title="class in org.apache.heron.streamlet">Window</a></th>
<td class="colLast">
<div class="block">Window is a container containing information about a particular window.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList">
<table class="typeSummary">
<caption><span>Enum Summary</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Enum</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="Config.DeliverySemantics.html" title="enum in org.apache.heron.streamlet">Config.DeliverySemantics</a></th>
<td class="colLast">
<div class="block">An enum encapsulating the delivery semantics that can be applied to Heron topologies.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="Config.Serializer.html" title="enum in org.apache.heron.streamlet">Config.Serializer</a></th>
<td class="colLast">
<div class="block">An enum encapsulating the serializers that can be used for data in the topology.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="JoinType.html" title="enum in org.apache.heron.streamlet">JoinType</a></th>
<td class="colLast">&nbsp;</td>
</tr>
</tbody>
</table>
</li>
</ul>
</div>
</main>
<footer role="contentinfo">
<nav role="navigation">
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a id="navbar.bottom">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
<a id="navbar.bottom.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../index.html">Overview</a></li>
<li class="navBarCell1Rev">Package</li>
<li>Class</li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../index-all.html">Index</a></li>
<li><a href="../../../../help-doc.html">Help</a></li>
</ul>
</div>
<div class="subNav">
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../allclasses.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
</div>
<a id="skip.navbar.bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
</nav>
</footer>
</body>
</html>