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/*****************************************************************************
* Copyright (c) 2014 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.tools.databinding;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.uml.tools.Activator;
import org.eclipse.uml2.uml.Artifact;
import org.eclipse.uml2.uml.Association;
import org.eclipse.uml2.uml.DataType;
import org.eclipse.uml2.uml.Interface;
import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.Signal;
import org.eclipse.uml2.uml.StructuredClassifier;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.UMLPackage;
/**
*
* This class provides methods to set the owner for UML Association
*
*/
public class OwnedAttributeHelper {
/**
*
* @param type
* a UML type
* @return
* the owned attribute feature for the given type, or <code>null</code> when not found
* @since 4.1
*/
public static final EStructuralFeature getOwnedAttributeFeatureForType(final Type type) {
if (null == type) {
Activator.log.warn("The type is null!"); //$NON-NLS-1$
}
if (type instanceof StructuredClassifier) {
return UMLPackage.eINSTANCE.getStructuredClassifier_OwnedAttribute();
}
if (type instanceof Interface) {
return UMLPackage.eINSTANCE.getInterface_OwnedAttribute();
}
if (type instanceof DataType) {
return UMLPackage.eINSTANCE.getDataType_OwnedAttribute();
}
if (type instanceof Artifact) {
return UMLPackage.eINSTANCE.getArtifact_OwnedAttribute();
}
if (type instanceof Signal) {
return UMLPackage.eINSTANCE.getSignal_OwnedAttribute();
}
// Unknown type : we try to find the feature reflexively
final String eClassName = type.eClass().getName();
Activator.log.warn(String.format("Unknown type : %s", eClassName)); //$NON-NLS-1$
EStructuralFeature feature = type.eClass().getEStructuralFeature("ownedAttribute"); //$NON-NLS-1$
if (feature == null) {
Activator.log.warn(String.format("Cannot find a valid feature for type %s.", eClassName)); //$NON-NLS-1$
}
return feature;
}
/**
*
* @param type
* a UML type
* @return
* the owned attribute feature for the given type, or <code>null</code> when not found
*
* @deprecated since 4.1
* use org.eclipse.papyrus.uml.tools.databinding.OwnedAttributeHelper.getOwnedAttributeFeatureForType(Type) API instead
* This method will be removed in Papyrus 5.0, see bug 540875
*/
@Deprecated
public static EStructuralFeature getFeatureForType(Type type) {
return getOwnedAttributeFeatureForType(type);
}
/**
*
* @param association
* an association
* @param memberEnd
* the member end of the association
* @return
* the command to use to set the owner of the association
*/
public static ICommand getSetTypeOwnerForAssociationAttributeCommand(Association association, Property memberEnd) {
ICommand command = null;
Type ownerType;
List<Type> ownerList = association.getEndTypes();
if (ownerList.get(0).equals(memberEnd.getType()) && ownerList.size() > 1) {
ownerType = ownerList.get(1);
} else {
ownerType = ownerList.get(0);
}
EStructuralFeature ownedAttributeFeature = getOwnedAttributeFeatureForType(ownerType);
if (ownedAttributeFeature != null) {
List<Property> attributeList = new ArrayList<>();
attributeList.addAll((EList<Property>) ownerType.eGet(ownedAttributeFeature));
attributeList.add(memberEnd);
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(ownerType);
if (provider != null) {
SetRequest request = new SetRequest(ownerType, ownedAttributeFeature, memberEnd);
command = provider.getEditCommand(request);
}
}
return command;
}
}
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