| How to manipulate UML Diagram Elements [message #1733031] |
Mon, 23 May 2016 20:20  |
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Hi all,
I want to modify an UML Class Diagram by java code, for this purpose first, I load an UML model by "InMemoryEmfModel" class in java code, But I don't know how to change elements of "UMLModel" in run method. (for example change name of "Person" class to "Human").
Can one help me?
My java code is shown below:
package example ;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.epsilon.emc.emf.InMemoryEmfModel;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.resource.UMLResource;
import org.eclipse.uml2.uml.resources.util.UMLResourcesUtil;
public class MinimalExample {
public static void main(String[] args) throws Exception {
new MinimalExample().run();
}
public void run() throws Exception {
InMemoryEmfModel Model = getUmlModel("UMLModel", new File("src/models/Dev1.uml"));
}
public InMemoryEmfModel getUmlModel(String name, File file) throws Exception {
ResourceSet set = new ResourceSetImpl();
UMLResourcesUtil.init(set);
set.getPackageRegistry().put(UMLPackage.eNS_URI, UMLPackage.eINSTANCE);
set.getResourceFactoryRegistry().getExtensionToFactoryMap().
put(UMLResource.FILE_EXTENSION, UMLResource.Factory.INSTANCE);
Resource r = set.getResource(URI.createFileURI(file.getAbsolutePath()), true);
r.load(null);
Collection<EPackage> ePackages = new ArrayList<EPackage>();
for (Object ePackage : set.getPackageRegistry().values()) {
ePackages.add((EPackage) ePackage);
}
return new InMemoryEmfModel(name, r, ePackages);
}
}
I attached a minimal example to this post.
Best regards,
Mohammadreza
Attachment: Minimal.rar
(Size: 5.22KB, Downloaded 128 times)
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| Re: How to manipulate UML Diagram Elements [message #1733083 is a reply to message #1733031] |
Tue, 24 May 2016 02:34  |
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Just curious - why are you using only the EMC part of Epsilon and not EOL itself? Normally I'd go either full Java (use plain EMF APIs) or full Epsilon (use EMC + EOL).
In any case, EMC does provide some convenience functions that might be helpful. The EMC API has a method to get all the instances of the UML "Class" EClass: you can use it and then downcast the EObject to org.eclipse.uml2.uml.Class and use the regular getName/setName methods. If you want to save the changes, make sure you enable storage on disposal and make sure you dispose of the model when you're done.
I've attached the resulting Java program, in case it helps.
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| Re: How to manipulate UML Diagram Elements [message #1733115 is a reply to message #1733083] |
Tue, 24 May 2016 13:34 |
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Hi Antonio,
Thanks for your helpful reply,
About your question:
Quote:
why are you using only the EMC part of Epsilon and not EOL itself? Normally I'd go either full Java (use plain EMF APIs) or full Epsilon (use EMC + EOL).
I will use other Epsilon languages such as ECL, EML and ETL, but in this minimal example to simplify, I didn't use them.
Kind regards,
Mohammadreza
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| Re: How to manipulate UML Diagram Elements [message #1733243 is a reply to message #1733083] |
Wed, 25 May 2016 16:38 |
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Hi Antonio,
As you said I can use methods of EMC API to get all the instances of the UML "Class" and the downcast the EObject to org.eclipse.uml2.uml.Class and use the regular getName/setName methods and it worked correctly.
But if before run, the UML element's type was not specified, for example once was "Class" and once again was "Association", do you know any Interface that I can use it and downcast the EObject to it?
Best regards,
Mohammadreza
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