| package org.eclipse.emf.edapt.declaration.replacement; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EDataType; |
| import org.eclipse.emf.ecore.EOperation; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| 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.internal.common.MetamodelFactory; |
| 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: BF27B6965D9A89E8000263BF9AC8CB88 |
| */ |
| @EdaptOperation(identifier = "operationToVolatile", label = "Operation to Volatile Feature", description = "In the metamodel, an operation is transformed into a volatile feature. In the model, nothing needs to be done.", breaking = false) |
| public class OperationToVolatile extends OperationImplementation { |
| |
| /** {@description} */ |
| @EdaptParameter(main = true, description = "The operation to be transformed") |
| public EOperation operation; |
| |
| /** {@description} */ |
| @EdaptConstraint(description = "The operation must not have parameters") |
| public boolean checkCustomPreconditions() { |
| return operation.getEParameters().isEmpty(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void execute(Metamodel metamodel, Model model) { |
| // metamodel adaptation |
| final EClass eClass = operation.getEContainingClass(); |
| final EClassifier type = operation.getEType(); |
| |
| String name = operation.getName(); |
| if (name.startsWith("get")) { //$NON-NLS-1$ |
| name = name.substring(3); |
| name = name.substring(0, 1).toLowerCase() + name.substring(1); |
| } |
| |
| EStructuralFeature feature = null; |
| if (type instanceof EClass) { |
| feature = MetamodelFactory.newEReference(eClass, name, (EClass) type, |
| operation.getLowerBound(), operation.getUpperBound()); |
| } else { |
| feature = MetamodelFactory.newEAttribute(eClass, name, |
| (EDataType) type, operation.getLowerBound(), operation |
| .getUpperBound()); |
| } |
| feature.setVolatile(true); |
| feature.setTransient(true); |
| feature.setDerived(true); |
| feature.setChangeable(false); |
| |
| metamodel.delete(operation); |
| } |
| } |