blob: 3de0717f4454bd7fbf5478c75e122b553b82f0c2 [file] [log] [blame]
<!doctype html>
<html lang="en" class="no-js">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="icon" href="../assets/images/favicon.png">
<meta name="generator" content="mkdocs-1.1.2, mkdocs-material-7.1.5">
<title>Examples - Epsilon</title>
<link rel="stylesheet" href="../assets/stylesheets/main.bde7dde4.min.css">
<link rel="stylesheet" href="../assets/stylesheets/palette.ef6f36e2.min.css">
<meta name="theme-color" content="#000000">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&display=fallback">
<style>:root{--md-text-font-family:"Roboto";--md-code-font-family:"Roboto Mono"}</style>
<link rel="stylesheet" href="../assets/stylesheets/mermaid.css">
<link rel="stylesheet" href="../assets/javascript/google-code-prettify/prettify.css">
<link rel="stylesheet" href="https://unpkg.com/mermaid@8.5.1/dist/mermaid.css">
<link rel="stylesheet" href="../assets/stylesheets/slick.css">
<link rel="stylesheet" href="../assets/stylesheets/slick-theme.css">
<link rel="stylesheet" href="../assets/stylesheets/extra.css">
<script>
window.ga = window.ga || function() {
(ga.q = ga.q || []).push(arguments)
}
ga.l = +new Date
/* Setup integration and send page view */
ga("create", "UA-184785655-1", "auto")
ga("set", "anonymizeIp", true)
ga("send", "pageview")
/* Register handler to log search on blur */
document.addEventListener("DOMContentLoaded", () => {
if (document.forms.search) {
var query = document.forms.search.query
query.addEventListener("blur", function() {
if (this.value) {
var path = document.location.pathname;
ga("send", "pageview", path + "?q=" + this.value)
}
})
}
})
</script>
<script async src="https://www.google-analytics.com/analytics.js"></script>
</head>
<body dir="ltr" data-md-color-scheme="" data-md-color-primary="black" data-md-color-accent="orange">
<script>function __prefix(e){return new URL("..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
<input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
<input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
<label class="md-overlay" for="__drawer"></label>
<div data-md-component="skip">
<a href="#examples" class="md-skip">
Skip to content
</a>
</div>
<div data-md-component="announce">
</div>
<header class="md-header" data-md-component="header">
<nav class="md-header__inner md-grid" aria-label="Header">
<a href=".." title="Epsilon" class="md-header__button md-logo" aria-label="Epsilon" data-md-component="logo">
<img src="../assets/images/epsilon-white-background.png" alt="logo">
</a>
<label class="md-header__button md-icon" for="__drawer">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2z"/></svg>
</label>
<div class="md-header__title" data-md-component="header-title">
<div class="md-header__ellipsis">
<div class="md-header__topic">
<span class="md-ellipsis">
Epsilon
</span>
</div>
<div class="md-header__topic" data-md-component="header-topic">
<span class="md-ellipsis">
Examples
</span>
</div>
</div>
</div>
<label class="md-header__button md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
</label>
<div class="md-search" data-md-component="search" role="dialog">
<label class="md-search__overlay" for="__search"></label>
<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
<input type="text" class="md-search__input" name="query" aria-label="Search" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" data-md-state="active" required>
<label class="md-search__icon md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg>
</label>
<button type="reset" class="md-search__icon md-icon" aria-label="Clear" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z"/></svg>
</button>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" data-md-scrollfix>
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Initializing search
</div>
<ol class="md-search-result__list"></ol>
</div>
</div>
</div>
</div>
</div>
<div class="md-header__source">
<a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/" title="Go to repository" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
</div>
<div class="md-source__repository">
Git repository @ Eclipse
</div>
</a>
</div>
</nav>
</header>
<div class="md-container" data-md-component="container">
<main class="md-main" data-md-component="main">
<div class="md-main__inner md-grid">
<div class="md-sidebar md-sidebar--primary" data-md-component="sidebar" data-md-type="navigation" >
<div class="md-sidebar__scrollwrap">
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--primary" aria-label="Navigation" data-md-level="0">
<label class="md-nav__title" for="__drawer">
<a href=".." title="Epsilon" class="md-nav__button md-logo" aria-label="Epsilon" data-md-component="logo">
<img src="../assets/images/epsilon-white-background.png" alt="logo">
</a>
Epsilon
</label>
<div class="md-nav__source">
<a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/" title="Go to repository" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
</div>
<div class="md-source__repository">
Git repository @ Eclipse
</div>
</a>
</div>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href=".." class="md-nav__link">
Home
</a>
</li>
<li class="md-nav__item">
<a href="../download/" class="md-nav__link">
Download
</a>
</li>
<li class="md-nav__item">
<a href="../getting-started/" class="md-nav__link">
Getting Started
</a>
</li>
<li class="md-nav__item">
<a href="../live" class="md-nav__link">
Playground
</a>
</li>
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5" type="checkbox" id="__nav_5" checked>
<label class="md-nav__link" for="__nav_5">
Documentation
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Documentation" data-md-level="1">
<label class="md-nav__title" for="__nav_5">
<span class="md-nav__icon md-icon"></span>
Documentation
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../doc/" class="md-nav__link">
Overview
</a>
</li>
<li class="md-nav__item">
<a href="../doc/emc/" class="md-nav__link">
Model Connectivity
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5_3" type="checkbox" id="__nav_5_3" >
<label class="md-nav__link" for="__nav_5_3">
Languages
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Languages" data-md-level="2">
<label class="md-nav__title" for="__nav_5_3">
<span class="md-nav__icon md-icon"></span>
Languages
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../doc/eol/" class="md-nav__link">
Object Language (EOL)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/egl/" class="md-nav__link">
Code Generation (EGL)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/evl/" class="md-nav__link">
Model Validation (EVL)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/etl/" class="md-nav__link">
Model Transformation (ETL)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/ecl/" class="md-nav__link">
Model Comparison (ECL)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/eml/" class="md-nav__link">
Model Merging (EML)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/epl/" class="md-nav__link">
Pattern Matching (EPL)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/flock/" class="md-nav__link">
Model Migration (Flock)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/emg/" class="md-nav__link">
Model Generation (EMG)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/eunit/" class="md-nav__link">
Unit Testing (EUnit)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/pinset/" class="md-nav__link">
Dataset Extraction (Pinset)
</a>
</li>
<li class="md-nav__item">
<a href="../doc/ewl/" class="md-nav__link">
Wizard Language (EWL)
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5_4" type="checkbox" id="__nav_5_4" >
<label class="md-nav__link" for="__nav_5_4">
Tools
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Tools" data-md-level="2">
<label class="md-nav__title" for="__nav_5_4">
<span class="md-nav__icon md-icon"></span>
Tools
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../doc/picto/" class="md-nav__link">
Picto
</a>
</li>
<li class="md-nav__item">
<a href="../doc/flexmi/" class="md-nav__link">
Flexmi
</a>
</li>
<li class="md-nav__item">
<a href="../doc/eugenia/" class="md-nav__link">
Eugenia
</a>
</li>
<li class="md-nav__item">
<a href="../doc/exeed/" class="md-nav__link">
Exeed
</a>
</li>
<li class="md-nav__item">
<a href="../doc/modelink/" class="md-nav__link">
Modelink
</a>
</li>
<li class="md-nav__item">
<a href="../doc/hutn/" class="md-nav__link">
HUTN
</a>
</li>
<li class="md-nav__item">
<a href="../doc/workflow/" class="md-nav__link">
Workflow (Ant tasks)
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../doc/articles/" class="md-nav__link">
Articles
</a>
</li>
<li class="md-nav__item md-nav__item--active">
<input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
<label class="md-nav__link md-nav__link--active" for="__toc">
Examples
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
Examples
</a>
<nav class="md-nav md-nav--secondary">
<label class="md-nav__title" for="__toc">Table of contents</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="#epsilon-object-language" class="md-nav__link">
Epsilon Object Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-transformation-language" class="md-nav__link">
Epsilon Transformation Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-generation-language" class="md-nav__link">
Epsilon Generation Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-validation-language" class="md-nav__link">
Epsilon Validation Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-merging-language" class="md-nav__link">
Epsilon Merging Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-flock" class="md-nav__link">
Epsilon Flock
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-model-generation-language" class="md-nav__link">
Epsilon Model Generation Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-pattern-language" class="md-nav__link">
Epsilon Pattern Language
</a>
</li>
<li class="md-nav__item">
<a href="#combining-the-epsilon-languages" class="md-nav__link">
Combining the Epsilon Languages
</a>
</li>
<li class="md-nav__item">
<a href="#eugenia" class="md-nav__link">
Eugenia
</a>
</li>
<li class="md-nav__item">
<a href="#eunit" class="md-nav__link">
EUnit
</a>
</li>
<li class="md-nav__item">
<a href="#even-more-examples" class="md-nav__link">
Even more examples
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="https://www.youtube.com/epsilondevs" class="md-nav__link">
Screencasts
</a>
</li>
<li class="md-nav__item">
<a href="https://www.youtube.com/playlist?list=PLRwHao6Ue0YUecg7vEUQTrtySIWwrd_mI" class="md-nav__link">
Lectures
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5_9" type="checkbox" id="__nav_5_9" >
<label class="md-nav__link" for="__nav_5_9">
Javadoc
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Javadoc" data-md-level="2">
<label class="md-nav__title" for="__nav_5_9">
<span class="md-nav__icon md-icon"></span>
Javadoc
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="https://download.eclipse.org/epsilon/stable-javadoc/" class="md-nav__link">
Stable
</a>
</li>
<li class="md-nav__item">
<a href="https://download.eclipse.org/epsilon/interim-javadoc/" class="md-nav__link">
Interim
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_6" type="checkbox" id="__nav_6" >
<label class="md-nav__link" for="__nav_6">
Issues
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Issues" data-md-level="1">
<label class="md-nav__title" for="__nav_6">
<span class="md-nav__icon md-icon"></span>
Issues
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="https://bugs.eclipse.org/bugs/enter_bug.cgi?product=epsilon" class="md-nav__link">
Report a new issue
</a>
</li>
<li class="md-nav__item">
<a href="https://bugs.eclipse.org/bugs/buglist.cgi?product=epsilon&cmdtype=doit&order=Reuse+same+sort+as+last+time&bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_severity=blocker&bug_severity=critical&bug_severity=major&bug_severity=normal&bug_severity=minor&bug_severity=trivial" class="md-nav__link">
View open bugs
</a>
</li>
<li class="md-nav__item">
<a href="https://bugs.eclipse.org/bugs/buglist.cgi?product=epsilon&cmdtype=doit&order=Reuse+same+sort+as+last+time&bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_severity=enhancement" class="md-nav__link">
View enhancement requests
</a>
</li>
<li class="md-nav__item">
<a href="https://bugs.eclipse.org/bugs/buglist.cgi?bug_status=RESOLVED&list_id=17694438&product=epsilon&query_format=advanced" class="md-nav__link">
View issues resolved since the last stable release
</a>
</li>
<li class="md-nav__item">
<a href="https://bugs.eclipse.org/bugs/buglist.cgi?product=epsilon&cmdtype=doit&order=Reuse+same+sort+as+last+time" class="md-nav__link">
View all issues
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7" type="checkbox" id="__nav_7" >
<label class="md-nav__link" for="__nav_7">
Community
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Community" data-md-level="1">
<label class="md-nav__title" for="__nav_7">
<span class="md-nav__icon md-icon"></span>
Community
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7_1" type="checkbox" id="__nav_7_1" >
<label class="md-nav__link" for="__nav_7_1">
Who is using Epsilon?
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Who is using Epsilon?" data-md-level="2">
<label class="md-nav__title" for="__nav_7_1">
<span class="md-nav__icon md-icon"></span>
Who is using Epsilon?
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../users/" class="md-nav__link">
Industry
</a>
</li>
<li class="md-nav__item">
<a href="../users/education/" class="md-nav__link">
Education
</a>
</li>
<li class="md-nav__item">
<a href="../users/open-source/" class="md-nav__link">
Open-source Projects
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="https://projects.eclipse.org/projects/modeling.epsilon/who" class="md-nav__link">
Who is developing Epsilon?
</a>
</li>
<li class="md-nav__item">
<a href="https://www.eclipse.org/forums/index.php/f/22/" class="md-nav__link">
Forum
</a>
</li>
<li class="md-nav__item">
<a href="../professional-services" class="md-nav__link">
Professional Services
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7_5" type="checkbox" id="__nav_7_5" >
<label class="md-nav__link" for="__nav_7_5">
Social Media
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Social Media" data-md-level="2">
<label class="md-nav__title" for="__nav_7_5">
<span class="md-nav__icon md-icon"></span>
Social Media
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="https://twitter.com/eclipseepsilon" class="md-nav__link">
Twitter
</a>
</li>
<li class="md-nav__item">
<a href="https://youtube.com/epsilondevs" class="md-nav__link">
YouTube
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../labs/" class="md-nav__link">
Epsilon Labs
</a>
</li>
<li class="md-nav__item">
<a href="../faq/" class="md-nav__link">
Frequently Asked Questions
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../branding/" class="md-nav__link">
Branding
</a>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
<div class="md-sidebar__scrollwrap">
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--secondary">
<label class="md-nav__title" for="__toc">Table of contents</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="#epsilon-object-language" class="md-nav__link">
Epsilon Object Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-transformation-language" class="md-nav__link">
Epsilon Transformation Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-generation-language" class="md-nav__link">
Epsilon Generation Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-validation-language" class="md-nav__link">
Epsilon Validation Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-merging-language" class="md-nav__link">
Epsilon Merging Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-flock" class="md-nav__link">
Epsilon Flock
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-model-generation-language" class="md-nav__link">
Epsilon Model Generation Language
</a>
</li>
<li class="md-nav__item">
<a href="#epsilon-pattern-language" class="md-nav__link">
Epsilon Pattern Language
</a>
</li>
<li class="md-nav__item">
<a href="#combining-the-epsilon-languages" class="md-nav__link">
Combining the Epsilon Languages
</a>
</li>
<li class="md-nav__item">
<a href="#eugenia" class="md-nav__link">
Eugenia
</a>
</li>
<li class="md-nav__item">
<a href="#eunit" class="md-nav__link">
EUnit
</a>
</li>
<li class="md-nav__item">
<a href="#even-more-examples" class="md-nav__link">
Even more examples
</a>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-content" data-md-component="content">
<article class="md-content__inner md-typeset">
<h1 id="examples">Examples<a class="headerlink" href="#examples" title="Permanent link">&para;</a></h1>
<div class="admonition tip">
<p class="admonition-title">Looking for in-depth articles?</p>
<p>This page contains links to a selection of example projects in Epsilon's Git repository. If you are looking for more in-depth articles describing different features of Epsilon, please visit the <a href="../doc/articles">articles</a> section of the website.</p>
</div>
<p>Each example in this page comes in the form of an Eclipse project, which is stored under the <a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/tree/examples/">examples</a> dirctory of Epsilon's Git repository. To run an example, you need to:</p>
<ol>
<li>Clone the repository</li>
<li>Import the project in question into your Eclipse workspace</li>
<li>Register any Ecore metamodels in it</li>
<li>Right click the <code>.launch</code> file in it</li>
<li>Select <code>Run as...</code> and click the first item in the menu that pops up</li>
</ol>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>To avoid copying the same metamodels across different example projects, some projects reuse Ecore metamodels stored in the <a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/tree/examples/org.eclipse.epsilon.examples.metamodels">org.eclipse.epsilon.examples.metamodels</a> project.</p>
</div>
<p>If you are unable to run any of the examples below, please <a href="../forum">give us a shout</a>.</p>
<h2 id="epsilon-object-language">Epsilon Object Language<a class="headerlink" href="#epsilon-object-language" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.buildooinstance">Create an OO model with EOL</a>: In this example we use EOL to programmatically construct a model that conforms to an object-oriented metamodel.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.modelmodification">Modify a Tree model with EOL</a>: In this example we use EOL to programmatically modify a model that conforms to a Tree metamodel and store the modified version as a new model.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.calljava">Call Java code from Epsilon</a>: In this example, we create a JFrame from EOL. The aim of this example is to show how to call Java code from within Epsilon languages.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.tools">Creating custom Java tools for Epsilon</a>: In this example, we create a custom tool for Epsilon.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.plainxml">Building and querying plain XML documents with EOL</a>: In this example, we use the plain XML driver of Epsilon to build and query an XML document that is not backed by a XSD/DTD.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.plainxml.copyfromtemplate">Cloning and copying XML elements across documents with EOL</a>: In this example, we use the plain XML driver of Epsilon to clone and copy XML elements across different documents with EOL.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.clone">Cloning EMF model elements with EOL</a>: In this example, we demonstrate how the EmfTool built-in tool can be used to perform deep-copy (cloning) of EMF model elements using EOL.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.profiling">Profiling and caching in EOL</a>: This example demonstrates the caching capabilities and the profiling tools provided by Epsilon.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.xsdxml">Manage XSD-backed XML files with EOL</a>: In this example we demonstrate using EOL to query an XSD-backed XML file.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.emc.simulink.examples">Manage Matlab Simulink/Stateflow blocks from Epsilon</a>: In this example we show how to manage Matlab Simulink/Stateflow blocks with EOL.</li>
</ul>
<h2 id="epsilon-transformation-language">Epsilon Transformation Language<a class="headerlink" href="#epsilon-transformation-language" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.tree2graph">Transform a Tree model to a Graph model with ETL</a>: In this example, we use ETL to transform a model that conforms to a Tree metamodel to a model that conforms to a Graph metamodel.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.rss2atom">Transform an RSS feed to an Atom feed using ETL</a>: In this example, we use ETL and the plain XML driver to transform an RSS feed to an Atom feed.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.etl.flowchart2html">Experiment with the different types of transformation rule in ETL using a Flowchart-to-HTML transformation.</a>: In this example, we show the different types of transformation rule that are provided by ETL, including plain, abstract, lazy, primary and greedy rules. We also explore rule inheritance and rules that generate more than model element. We transform from a Flowchart model to an HTML model.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.oo2db">Transform an OO model to a DB model with ETL</a>: In this example, we use ETL to transform a model that conforms to an Object-Oriented metamodel to a model that conforms to the Database metamodel.</li>
</ul>
<h2 id="epsilon-generation-language">Epsilon Generation Language<a class="headerlink" href="#epsilon-generation-language" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.egl.flowchart">Experiment with the different features of EGL using a Flowchart-to-HTML transformation.</a>: In this example, we explore the main features of EGL by generating HTML text from an EMF model of a flowchart. We demonstrate the EGX coordination language, code formatters, preserving hand-written text with protected regions and generating a fine-grained trace model.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.egl.library">Generating HTML pages from an XML document</a>: In this example, we use the plain XML driver of Epsilon in the context of an EGL model-to-text transformation.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.egldoc">Generate HTML documentation from an Ecore metamodel with EGL</a>: In this example, we demonstrate how EGL can be used to generate HTML documentation from an Ecore metamodel.</li>
</ul>
<h2 id="epsilon-validation-language">Epsilon Validation Language<a class="headerlink" href="#epsilon-validation-language" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.validateoo">Validate an OO model with EVL</a>: In this example, we use EVL, to express constraints for models that conform to an Object-Oriented metamodel.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.evl.intermodel">Validate an OO model against a DB model with EVL</a>: In this example, we use EVL to expressing inter-model constraints.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.shortestpath">Dijkstra's shortest path algorithm with EOL/EVL</a>: In this example, we use EOL and EVL to implement Dijkstra's shortest path algorithm.</li>
</ul>
<h2 id="epsilon-merging-language">Epsilon Merging Language<a class="headerlink" href="#epsilon-merging-language" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.mergeentitywithvocabulary">Heterogeneous Model Merging with ECL/EML</a>: In this example, we demonstrate merging heterogeneous models using ECL and EML.</li>
</ul>
<h2 id="epsilon-flock">Epsilon Flock<a class="headerlink" href="#epsilon-flock" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.flock.petrinets">Migrate Petri net models with Epsilon Flock</a>: In this example we demonstrate how to migrate a model in response to metamodel changes with Epsilon Flock.</li>
</ul>
<h2 id="epsilon-model-generation-language">Epsilon Model Generation Language<a class="headerlink" href="#epsilon-model-generation-language" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.emg.petrinet">Generate PetriNet models using EMG</a>: In this example we demonstrate how to generate PetriNet elements and how to define relations between them.</li>
</ul>
<h2 id="epsilon-pattern-language">Epsilon Pattern Language<a class="headerlink" href="#epsilon-pattern-language" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.epl">Find pattern matches in railway models using EPL</a>: In this example we demonstrate how to find matches of the patterns in the Train Benchmark models with EPL.</li>
</ul>
<h2 id="combining-the-epsilon-languages">Combining the Epsilon Languages<a class="headerlink" href="#combining-the-epsilon-languages" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.standalone">Use Epsilon in standalone Java applications</a>: In this example, we demonstrate how Epsilon languages can be used in standalone, non-Eclipse-based Java applications.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.mddtif">MDD-TIF complete case study</a>: In this example, we demonstrate how different languages in Epsilon (EVL, EGL, EML, ETL and ECL) can be combined to implement more complex operations.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.oomerging">Compare, validate and merge OO models</a>: In this example, we use ECL to compare two OO models, then use EVL to check the identified matches for consistency and finally EML to merge them.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.workflow.flowchart">Construct a workflow to orchestrate several Epsilon programs with Ant</a>: In this example we demonstrate how to use the built-in Epsilon Ant tasks to define a workflow by combining several Epsilon programs. Here, we validate, transform and generate HTML from a flowchart model.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.workflow.extension.example">Provide custom/extended tasks for the workflow</a>: In this example we demonstrate how you can define your own ANT tasks that extend the Epsilon workflow tasks.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.examples.workflow.transactions">Use model transactions in a workflow</a>: In this example we demonstrate using the ant-contrib try/catch tasks and the Epsilon model transactions tasks to conditionally rollback changes in models modified in a workflow.</li>
</ul>
<h2 id="eugenia">Eugenia<a class="headerlink" href="#eugenia" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.eugenia.examples.friends">Implement a GMF editor with image nodes using Eugenia</a>: In this example we use Eugenia to implement a GMF editor with images instead of shapes for nodes.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.eugenia.examples.endlabels">Implement a GMF editor with end labels in connections using Eugenia</a>: In this example we use Eugenia to implement a GMF editor with end labels in connections.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.eugenia.examples.flowchart">Implement a flowchart GMF editor using Eugenia</a>: In this example we use Eugenia to implement a flowchart GMF editor, and EOL to polish its appearance.</li>
</ul>
<h2 id="eunit">EUnit<a class="headerlink" href="#eunit" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.eunit.examples.eol">Test EOL scripts with EUnit</a>: In this example we show the basic structure of an EUnit test, some useful assertions for the basic types and how to test for errors and define our own assertions.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.eunit.examples.bindings">Reuse EUnit tests with model and data bindings</a>: In this example we show how the same EUnit test can be reused for several models, and how EUnit supports several levels of parametric tests.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.eunit.examples.evl">Test a model validation script with EUnit</a>: In this example we show how a model validation script written in EVL can be tested with EUnit, using the exportAsModel attribute of the EVL workflow task.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.eunit.examples.egl.files">Test a model-to-text transformation with EUnit</a>: In this example we show how a model-to-text transformation written in EGL can be tested with EUnit and HUTN.</li>
<li><a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/org.eclipse.epsilon.eunit.examples.junit">Integrate EUnit into a standard JUnit plug-in test</a>: In this example we show how to write an EUnit/JUnit plug-in test of an ETL transformation.</li>
</ul>
<h2 id="even-more-examples">Even more examples<a class="headerlink" href="#even-more-examples" title="Permanent link">&para;</a></h2>
<p>More examples are available in the <a href="https://git.eclipse.org/c/epsilon/org.eclipse.epsilon.git/plain/examples/">examples</a> folder of the Git repository.</p>
</article>
</div>
</div>
</main>
<footer class="md-footer">
<div class="md-footer-nav">
<nav class="md-footer-nav__inner md-grid">
<a href="../doc/articles/" title="Articles" class="md-flex md-footer-nav__link md-footer-nav__link--prev" rel="prev">
<div class="md-flex__cell md-flex__cell--shrink">
<i class="md-icon md-icon--arrow-back md-footer-nav__button"></i>
</div>
<div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title">
<span class="md-flex__ellipsis">
<span class="md-footer-nav__direction">
Previous
</span>
Articles
</span>
</div>
</a>
<a href="../users/" title="Industry" class="md-flex md-footer-nav__link md-footer-nav__link--next" rel="next">
<div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title">
<span class="md-flex__ellipsis">
<span class="md-footer-nav__direction">
Next
</span>
Industry
</span>
</div>
<div class="md-flex__cell md-flex__cell--shrink">
<i class="md-icon md-icon--arrow-forward md-footer-nav__button"></i>
</div>
</a>
</nav>
</div>
<div class="md-footer-meta md-typeset">
<div class="md-footer-meta__inner md-grid">
<div class="md-footer-copyright">
<div class="md-footer-copyright__highlight">
Copyright © Eclipse Foundation, Inc. All Rights Reserved.
</div>
powered by
<a href="https://www.mkdocs.org">MkDocs</a>
and
<a href="https://squidfunk.github.io/mkdocs-material/">Material for MkDocs</a>
</div>
<div class="md-footer-copyright epsilon-eclipse-links">
<ul>
<li><a href="https://www.eclipse.org/legal/privacy.php">Privacy Policy</a></li>
<li><a href="https://www.eclipse.org/legal/termsofuse.php">Terms of Use</a></li>
<li><a href="https://www.eclipse.org/legal/copyright.php">Copyright Agent</a></li>
</ul>
</div>
<div class="md-footer-social">
<a href="https://twitter.com/eclipseepsilon" target="_blank" rel="noopener" title="twitter.com" class="md-footer-social__link">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z"/></svg>
</a>
<a href="https://youtube.com/epsilondevs" target="_blank" rel="noopener" title="youtube.com" class="md-footer-social__link">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path d="M549.655 124.083c-6.281-23.65-24.787-42.276-48.284-48.597C458.781 64 288 64 288 64S117.22 64 74.629 75.486c-23.497 6.322-42.003 24.947-48.284 48.597-11.412 42.867-11.412 132.305-11.412 132.305s0 89.438 11.412 132.305c6.281 23.65 24.787 41.5 48.284 47.821C117.22 448 288 448 288 448s170.78 0 213.371-11.486c23.497-6.321 42.003-24.171 48.284-47.821 11.412-42.867 11.412-132.305 11.412-132.305s0-89.438-11.412-132.305zm-317.51 213.508V175.185l142.739 81.205-142.739 81.201z"/></svg>
</a>
</div>
</div>
</div>
</footer>
</div>
<div class="md-dialog" data-md-component="dialog">
<div class="md-dialog__inner md-typeset"></div>
</div>
<script id="__config" type="application/json">{"base": "..", "features": [], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}, "search": "../assets/javascripts/workers/search.d351de03.min.js", "version": null}</script>
<script src="../assets/javascripts/bundle.a1609d9a.min.js"></script>
<script src="https://unpkg.com/mermaid@8.5.1/dist/mermaid.min.js"></script>
<script src="../assets/javascript/mermaid.js"></script>
<script src="../assets/javascript/jquery.js"></script>
<script src="../assets/javascript/slick.min.js"></script>
<script src="../assets/javascript/google-code-prettify/prettify.js"></script>
<script src="../assets/javascript/google-code-prettify/lang-emfatic.js"></script>
<script src="../assets/javascript/google-code-prettify/lang-epsilon.js"></script>
<script src="../assets/javascript/google-code-prettify/prettyprint.js"></script>
<script src="../assets/javascript/extra.js"></script>
<script src="https://w.appzi.io/w.js?token=jlv6W"></script>
</body>
</html>