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package org.eclipse.emf.edapt.declaration.simple;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.edapt.declaration.EdaptConstraint;
import org.eclipse.emf.edapt.declaration.EdaptOperation;
import org.eclipse.emf.edapt.declaration.EdaptParameter;
import org.eclipse.emf.edapt.declaration.OperationImplementation;
import org.eclipse.emf.edapt.spi.migration.Instance;
import org.eclipse.emf.edapt.spi.migration.Metamodel;
import org.eclipse.emf.edapt.spi.migration.Model;
/**
* {@description}
*
* @author herrmama
* @author $Author$
* @version $Rev$
* @levd.rating YELLOW Hash: F1B800B5BE3D5AD4D920562EFA551982
*/
@EdaptOperation(identifier = "makeAbstract", label = "Make Class Abstract", description = "In the metamodel, a class is made abstract. In a model, instances of this class are migrated to a chosen subclass.", breaking = true)
public class MakeAbstract extends OperationImplementation {
/** {@description} */
@EdaptParameter(main = true, description = "The class to be made abstract")
public EClass eClass;
/** {@description} */
@EdaptConstraint(restricts = "eClass", description = "The class is already abstract")
public boolean checkClassAbstract(EClass eClass) {
return !eClass.isAbstract();
}
/** {@description} */
@EdaptParameter(description = "The subclass to which instances are migrated")
public EClass subClass;
/** {@description} */
@EdaptConstraint(restricts = "subClass", description = "The class has to be a super type of the sub class")
public boolean checkSubClass(EClass subClass) {
return subClass.getEAllSuperTypes().contains(eClass);
}
/** {@inheritDoc} */
@Override
public void execute(Metamodel metamodel, Model model) {
// metamodel adaptation
eClass.setAbstract(true);
// model migration
for (final Instance instance : model.getInstances(eClass)) {
instance.migrate(subClass);
}
}
}
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