/**
* {@inheritDoc}
*
* @see
* org.eclipse.emf.compare.uml2.diff.internal.extension.IDiffExtensionFactory#create(org.eclipse.emf.compare.diff.metamodel.DiffElement,
* org.eclipse.emf.ecore.util.EcoreUtil.CrossReferencer)
*/
public AbstractDiffExtension create(
DiffElement input, EcoreUtil.CrossReferencer crossReferencer) {
final ModelElementChangeLeftTarget changeLeftTarget = (ModelElementChangeLeftTarget) input;
final Message message = (Message) changeLeftTarget.getLeftElement();
final UMLMessageChangeLeftTarget ret =
UML2DiffFactory.eINSTANCE.createUMLMessageChangeLeftTarget();
final MessageEnd receiveEvent = message.getReceiveEvent();
if (receiveEvent != null) {
hideEvent(receiveEvent, ret, crossReferencer);
}
final MessageEnd sendEvent = message.getSendEvent();
if (sendEvent != null) {
hideEvent(sendEvent, ret, crossReferencer);
}
ret.getHideElements().add(changeLeftTarget);
ret.getRequires().add(changeLeftTarget);
ret.setRemote(changeLeftTarget.isRemote());
ret.setRightParent(changeLeftTarget.getRightParent());
ret.setLeftElement(changeLeftTarget.getLeftElement());
return ret;
}
public static boolean canExist(Message message, Element source, Element target) {
MessageSort messageSort = null;
if (message != null) {
messageSort = message.getMessageSort();
}
return canExist(message, messageSort, source, target);
}
public static boolean canReorientTarget(Message message, Element newTarget) {
if (message == null || newTarget == null) {
return false;
}
Element source = null;
MessageEnd sendEvent = message.getSendEvent();
if (sendEvent instanceof OccurrenceSpecification) {
EList<Lifeline> covereds = ((OccurrenceSpecification) sendEvent).getCovereds();
if (!covereds.isEmpty()) {
source = covereds.get(0);
}
} else if (sendEvent instanceof Gate
// special handling of SyncMessages due to #425666
&& MessageSort.SYNCH_CALL_LITERAL != message.getMessageSort()) {
source = ((Gate) sendEvent).getOwner();
}
return canExist(message, source, newTarget);
}
private static String getValue(Message e, int paramIndex, Parameter parameter) {
try {
EList<ValueSpecification> arguments = e.getArguments();
if (arguments.size() > paramIndex) {
return ValueSpecificationUtil.getSpecificationValue(arguments.get(paramIndex));
}
} catch (Exception e1) {
}
return null;
}
/**
*
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
@Override
public Message getBase_Message() {
if (base_Message != null && base_Message.eIsProxy()) {
InternalEObject oldBase_Message = (InternalEObject) base_Message;
base_Message = (Message) eResolveProxy(oldBase_Message);
if (base_Message != oldBase_Message) {
if (eNotificationRequired()) {
eNotify(
new ENotificationImpl(
this,
Notification.RESOLVE,
TimePackage.TIMED_PROCESSING__BASE_MESSAGE,
oldBase_Message,
base_Message));
}
}
}
return base_Message;
}
