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architecture-services-things-search.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="keywords" content="architecturesearch, architecture, service, things-search, search">
<title> Things-Search service • Eclipse Ditto™ • a digital twin framework</title>
<link rel="stylesheet" href="css/syntax.css">
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" crossorigin="anonymous">
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<script type="application/ld+json">
{
"@context": "http://schema.org",
"@type": "Organization",
"url": "https://www.eclipse.dev/ditto/",
"logo": "https://www.eclipse.dev/ditto/images/ditto.svg"
}
</script>
<link rel="icon" type="image/png" href="images/favicon-16x16.png" sizes="16x16">
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});
</script>
</head>
<script>
(function(w,d,s,l,i){
w[l]=w[l]||[];
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var f=d.getElementsByTagName(s)[0],
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f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-5WLCZXC');
</script>
<body>
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</button>
<a class="navbar-ditto-home" href="index.html"> <img src="images/ditto_allwhite_symbolonly.svg" class="ditto-navbar-symbol" alt="Home"> <img src="images/ditto_allwhite_textonly.svg" class="ditto-navbar-symbol-text" alt="Eclipse Ditto™"></a>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<!-- toggle sidebar button -->
<!--<li><a id="tg-sb-link" href="#"><i id="tg-sb-icon" class="fa fa-toggle-on"></i> Nav</a></li>-->
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<li><a href="blog.html">Blog</a></li>
<li><a href="intro-overview.html">Documentation</a></li>
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<img src="images/GitHub-Mark-Light-32px.png" alt="Sources at GitHub">
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<li><a href="https://github.com/eclipse-ditto/ditto-clients" target="_blank">
<img src="images/GitHub-Mark-Light-32px.png" alt="SDK sources at GitHub">SDKs
</a></li>
<li><a href="https://github.com/eclipse-ditto/ditto-examples" target="_blank">
<img src="images/GitHub-Mark-Light-32px.png" alt="Example sources at GitHub">examples
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<li><a href="https://projects.eclipse.org/projects/iot.ditto" target="_blank">Eclipse Ditto Project</a></li>
<li><a href="https://www.eclipse.org/forums/index.php/f/364/" target="_blank">Forum</a></li>
<li><a href="https://ci.eclipse.org/ditto/" target="_blank">Jenkins</a></li>
<li><a href="https://dev.eclipse.org/mhonarc/lists/ditto-dev/" target="_blank">Mailing list archives</a></li>
<li><a href="https://gitter.im/eclipse/ditto" target="_blank">Gitter.im chat</a></li>
</ul>
</li>
<!--comment out this block if you want to hide search-->
<li>
<!--start search-->
<div id="search-demo-container">
<input type="text" id="search-input" placeholder="search...">
<ul id="results-container"></ul>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/simple-jekyll-search/0.0.9/jekyll-search.js" type="text/javascript"></script>
<script type="text/javascript">
SimpleJekyllSearch.init({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
dataSource: 'search.json',
searchResultTemplate: '<li><a href="{url}" title="Things-Search service">{title}</a></li>',
noResultsText: 'No results found.',
limit: 10,
fuzzy: true,
})
</script>
<!--end search-->
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<li class="sidebarTitle">
<label for="docVersion">Eclipse Ditto™ version:</label>
<div class="select-wrapper">
<select id="docVersion" name="docVersion">
<option value="">development</option>
<option value="3.6">3.6</option>
<option value="3.5">3.5</option>
<option value="3.4">3.4</option>
<option value="3.3">3.3</option>
<option value="3.2">3.2</option>
<option value="3.1">3.1</option>
<option value="3.0">3.0</option>
<option value="2.4">2.4</option>
</select>
</div>
<div id="dev-warning">
<div markdown="span" class="alert alert-warning" role="alert" style="font-size:0.6em"><i class="fa fa-warning"></i> <b>Important:</b> This documentation reflects the latest 'development'. You might want to choose a released version.</div>
</div>
</li>
<li class="subfolders">
<a href="#"><span></span>Introduction</a>
<ul>
<li><a href="intro-overview.html">Overview</a></li>
<li><a href="intro-digitaltwins.html">Digital twins</a></li>
<li><a href="intro-hello-world.html">Hello world</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#"><span></span>Release Notes</a>
<ul>
<li><a href="release_notes_362.html">3.6.2</a></li>
<li><a href="release_notes_361.html">3.6.1</a></li>
<li><a href="release_notes_360.html">3.6.0</a></li>
<li><a href="release_notes_3512.html">3.5.12</a></li>
<li><a href="release_notes_3511.html">3.5.11</a></li>
<li><a href="release_notes_3510.html">3.5.10</a></li>
<li><a href="release_notes_359.html">3.5.9</a></li>
<li><a href="release_notes_358.html">3.5.8</a></li>
<li><a href="release_notes_357.html">3.5.7</a></li>
<li><a href="release_notes_356.html">3.5.6</a></li>
<li><a href="release_notes_355.html">3.5.5</a></li>
<li><a href="release_notes_354.html">3.5.4</a></li>
<li><a href="release_notes_353.html">3.5.3</a></li>
<li><a href="release_notes_352.html">3.5.2</a></li>
<li><a href="release_notes_351.html">3.5.1</a></li>
<li><a href="release_notes_350.html">3.5.0</a></li>
<li class="subfolders">
<a href="#"><span></span>Archive</a>
<ul>
<li><a href="release_notes_345.html">3.4.5</a></li>
<li><a href="release_notes_344.html">3.4.4</a></li>
<li><a href="release_notes_343.html">3.4.3</a></li>
<li><a href="release_notes_342.html">3.4.2</a></li>
<li><a href="release_notes_341.html">3.4.1</a></li>
<li><a href="release_notes_340.html">3.4.0</a></li>
<li><a href="release_notes_337.html">3.3.7</a></li>
<li><a href="release_notes_336.html">3.3.6</a></li>
<li><a href="release_notes_335.html">3.3.5</a></li>
<li><a href="release_notes_334.html">3.3.4</a></li>
<li><a href="release_notes_333.html">3.3.3</a></li>
<li><a href="release_notes_332.html">3.3.2</a></li>
<li><a href="release_notes_330.html">3.3.0</a></li>
<li><a href="release_notes_321.html">3.2.1</a></li>
<li><a href="release_notes_320.html">3.2.0</a></li>
<li><a href="release_notes_312.html">3.1.2</a></li>
<li><a href="release_notes_311.html">3.1.1</a></li>
<li><a href="release_notes_310.html">3.1.0</a></li>
<li><a href="release_notes_300.html">3.0.0</a></li>
<li><a href="release_notes_242.html">2.4.2</a></li>
<li><a href="release_notes_241.html">2.4.1</a></li>
<li><a href="release_notes_240.html">2.4.0</a></li>
<li><a href="release_notes_232.html">2.3.2</a></li>
<li><a href="release_notes_231.html">2.3.1</a></li>
<li><a href="release_notes_230.html">2.3.0</a></li>
<li><a href="release_notes_222.html">2.2.2</a></li>
<li><a href="release_notes_221.html">2.2.1</a></li>
<li><a href="release_notes_220.html">2.2.0</a></li>
<li><a href="release_notes_213.html">2.1.3</a></li>
<li><a href="release_notes_212.html">2.1.2</a></li>
<li><a href="release_notes_211.html">2.1.1</a></li>
<li><a href="release_notes_210.html">2.1.0</a></li>
<li><a href="release_notes_201.html">2.0.1</a></li>
<li><a href="release_notes_200.html">2.0.0</a></li>
<li><a href="release_notes_151.html">1.5.1</a></li>
<li><a href="release_notes_150.html">1.5.0</a></li>
<li><a href="release_notes_140.html">1.4.0</a></li>
<li><a href="release_notes_130.html">1.3.0</a></li>
<li><a href="release_notes_121.html">1.2.1</a></li>
<li><a href="release_notes_120.html">1.2.0</a></li>
<li><a href="release_notes_115.html">1.1.5</a></li>
<li><a href="release_notes_113.html">1.1.3</a></li>
<li><a href="release_notes_112.html">1.1.2</a></li>
<li><a href="release_notes_111.html">1.1.1</a></li>
<li><a href="release_notes_110.html">1.1.0</a></li>
<li><a href="release_notes_100.html">1.0.0</a></li>
<li><a href="release_notes_090.html">0.9.0</a></li>
<li><a href="release_notes_080.html">0.8.0</a></li>
<li><a href="release_notes_100-M2.html">1.0.0-M2</a></li>
<li><a href="release_notes_100-M1a.html">1.0.0-M1a</a></li>
<li><a href="release_notes_090-M2.html">0.9.0-M2</a></li>
<li><a href="release_notes_090-M1.html">0.9.0-M1</a></li>
<li><a href="release_notes_080-M3.html">0.8.0-M3</a></li>
<li><a href="release_notes_080-M2.html">0.8.0-M2</a></li>
<li><a href="release_notes_080-M1.html">0.8.0-M1</a></li>
<li><a href="release_notes_030-M2.html">0.3.0-M2</a></li>
<li><a href="release_notes_030-M1.html">0.3.0-M1</a></li>
<li><a href="release_notes_020-M1.html">0.2.0-M1</a></li>
<li><a href="release_notes_010-M3.html">0.1.0-M3</a></li>
<li><a href="release_notes_010-M1.html">0.1.0-M1</a></li>
</ul>
</li>
</ul>
</li>
<li class="subfolders">
<a href="#"><span></span>Installation</a>
<ul>
<li><a href="installation-building.html">Building Ditto</a></li>
<li><a href="installation-running.html">Running Ditto</a></li>
<li><a href="installation-operating.html">Operating Ditto</a></li>
<li><a href="installation-extending.html">Extending Ditto</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#"><span></span>Basic concepts</a>
<ul>
<li><a href="basic-overview.html">Overview</a></li>
<li class="subfolders">
<a href="#"><span></span>Model entities</a>
<ul>
<li><a href="basic-thing.html">Thing</a></li>
<li><a href="basic-feature.html">Feature</a></li>
<li><a href="basic-policy.html">Policy</a></li>
<li><a href="basic-namespaces-and-names.html">Namespaces and Names</a></li>
<li><a href="basic-metadata.html">Thing Metadata</a></li>
<li><a href="basic-errors.html">Errors</a></li>
</ul>
</li>
<li><a href="basic-auth.html">Authentication and Authorization</a></li>
<li class="subfolders">
<a href="#"><span></span>Checking Permissions for Resources</a>
<ul>
</ul>
</li>
<li><a href="basic-messages.html">Messages</a></li>
<li><a href="basic-signals.html">Signals</a></li>
<li class="subfolders">
<a href="#"><span></span>Signal types</a>
<ul>
<li><a href="basic-signals-command.html">Command</a></li>
<li><a href="basic-signals-commandresponse.html">Command response</a></li>
<li><a href="basic-signals-errorresponse.html">Error response</a></li>
<li><a href="basic-signals-event.html">Event</a></li>
<li><a href="basic-signals-announcement.html">Announcement</a></li>
<li><a href="basic-enrichment.html">Signal enrichment</a></li>
</ul>
</li>
<li><a href="basic-apis.html">APIs</a></li>
<li><a href="basic-connections.html">Connections</a></li>
<li><a href="basic-placeholders.html">Placeholders</a></li>
<li><a href="basic-changenotifications.html">Change notifications</a></li>
<li><a href="basic-rql.html">RQL expressions</a></li>
<li><a href="basic-conditional-requests.html">Conditional requests</a></li>
<li><a href="basic-search.html">Search</a></li>
<li><a href="basic-history.html">History capabilities</a></li>
<li><a href="basic-acknowledgements.html">Acknowledgements / QoS</a></li>