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/*****************************************************************************
* Copyright (c) 2017, 2018 CEA LIST.
*
*
* 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:
* Pauline DEVILLE (CEA LIST) pauline.deville@cea.fr - Initial API and implementation
* Pauline DEVILLE (CEA LIST) pauline.deville@cea.fr - Bug 539160
*
*****************************************************************************/
package org.eclipse.papyrus.toolsmiths.profilemigration.internal.migrators.atomic.enumeration;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.tree.TreeNode;
import org.eclipse.papyrus.toolsmiths.profilemigration.MigratorProfileApplication;
import org.eclipse.papyrus.toolsmiths.profilemigration.internal.utils.TreeNodeUtils;
import org.eclipse.papyrus.toolsmiths.profilemigration.migrators.atomic.IMoveMigrator;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Enumeration;
import org.eclipse.uml2.uml.EnumerationLiteral;
/**
* If an enumeration literal is deleted from an enumeration in the profile specification and this
* enumeration is used to type one or many properties of stereotypes then all stereotype
* applications corresponding to the affected stereotype shall be upgraded. The upgrade
* consists for each stereotype application in providing the designer with the possibility to
* update the enumeration literal affected to the property whose specification was changed.
*/
public class MoveEnumerationLiteralFromEnumerationMigrator extends DeleteEnumerationLiteralFromEnumerationMigrator implements IMoveMigrator {
/**
* Constructor.
*
* @param treeNode
* the treeNode corresponding to this migrator
*/
public MoveEnumerationLiteralFromEnumerationMigrator(TreeNode treeNode) {
super(treeNode);
}
/**
* This method check if the specified treeNode is a node representing the current change
*
* Is valid if:
* 1] the treeNode is a moved node
* 2] the moved element is a EnumerationLiteral
* 3] the new container is in the currently profile use for the migration
* 4] the new container is different to the current container
*
* @param treeNode
* @return true if the treeNode represent the current change
*/
public static boolean isValid(TreeNode treeNode) {
if (TreeNodeUtils.isMoveChange(treeNode)) {
Object element = TreeNodeUtils.getMovedElement(treeNode);
EObject oldContainer = TreeNodeUtils.getMovedSourceContainer(treeNode, MigratorProfileApplication.comparison);
if (element instanceof EnumerationLiteral && oldContainer != null && oldContainer instanceof Enumeration && oldContainer != ((EnumerationLiteral) element).getOwner()) {
if (TreeNodeUtils.getNearestProfile(treeNode) == MigratorProfileApplication.appliedProfile) {
return true;
}
}
}
return false;
}
/**
* This method is used to evaluate if the specified node correspond to the
* change that we expect to manage with
*
* @return return true if the treeNode is the expected change, false otherwise
*/
@Override
public boolean isValid() {
return isValid(treeNode);
}
/**
* Get the new container of the element
*
* @return the new container of the element
*/
@Override
public Element getTargetContainer() {
return getEnumerationLiteral().getOwner();
}
/**
* Get the old container of the element (before the move)
*
* @return the old container of the element
*/
@Override
public Element getSourceContainer() {
return getEnumeration();
}
/**
* Initialize attributes from the treeNode
*/
@Override
public void initAttributes() {
if (isValid()) {
enumerationLiteral = (EnumerationLiteral) TreeNodeUtils.getMovedElement(treeNode);
enumeration = (Enumeration) TreeNodeUtils.getMovedSourceContainer(treeNode, MigratorProfileApplication.comparison);
}
}
/**
* Get the moved element
*
* @return the moved element
*/
@Override
public Element getMovedElement() {
return getEnumerationLiteral();
}
}
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