private void adjustTransientOppositeReference(
InternalEObject instance, InternalEObject object, EReference oppositeReference) {
boolean wasDeliver = object.eDeliver(); // Disable notifications
if (wasDeliver) {
object.eSetDeliver(false);
}
try {
if (oppositeReference.isMany()) {
@SuppressWarnings("unchecked")
InternalEList<Object> list = (InternalEList<Object>) object.eGet(oppositeReference);
list.basicAdd(instance, null);
} else {
if (object.eGet(oppositeReference) != instance) {
object.eInverseAdd(
instance, oppositeReference.getFeatureID(), ((EObject) instance).getClass(), null);
}
}
} finally {
if (wasDeliver) {
object.eSetDeliver(true);
}
}
}
public org.eclipse.emf.common.notify.NotificationChain basicAdd(
org.eclipse.emf.ecore.EObject object,
org.eclipse.emf.common.notify.NotificationChain notifications) {
copy.basicAdd(object, notifications);
return original.basicAdd(object, notifications);
}
/** @since 3.0 */
protected void revisionToInstanceFeature(EStructuralFeature feature) {
if (feature.isUnsettable() && !viewAndState.view.getStore().isSet(this, feature)) {
// Clarify if this is sufficient for bidirectional references
instance.eUnset(feature);
return;
}
if (feature.isMany()) {
if (TRACER.isEnabled()) {
TRACER.format(
"State of Object ("
+ this
+ "/"
+ instance
+ ") is : "
+ viewAndState.state); // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
if (viewAndState.state == CDOState.CLEAN
|| viewAndState.state == CDOState.PROXY
|| viewAndState.state == CDOState.NEW
|| viewAndState.state == CDOState.DIRTY) {
InternalCDORevision revision = cdoRevision();
int size = revision.size(feature);
@SuppressWarnings("unchecked")
InternalEList<Object> list = (InternalEList<Object>) instance.eGet(feature);
clearEList(list);
for (int i = 0; i < size; i++) {
Object object = getValueFromRevision(feature, i);
if (TRACER.isEnabled()) {
TRACER.format(
"Adding "
+ object
+ " to feature "
+ feature
+ "in instance "
+ instance); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
// Disable notifications from value during the
// invalidation in case of
// eInverseAdd/eInverseRemove
boolean eDeliver = false;
if (object instanceof Notifier) {
Notifier notifier = (Notifier) object;
eDeliver = notifier.eDeliver();
if (eDeliver) {
notifier.eSetDeliver(false);
}
}
list.basicAdd(object, null);
if (object instanceof Notifier && eDeliver) {
Notifier notifier = (Notifier) object;
notifier.eSetDeliver(eDeliver);
}
}
}
} else {
// !feature.isMany()
Object object = getValueFromRevision(feature, 0);
if (feature instanceof EAttribute) {
if (TRACER.isEnabled()) {
TRACER.format(
"Setting attribute value "
+ object
+ " to feature "
+ feature
+ " in instance "
+ instance); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
// Just fake it for the store :(
if (feature.isUnsettable() && object.equals(CDORevisionData.NIL)) {
eSet(feature, null);
} else {
if (object != null) {
eSet(feature, object);
} else {
// TODO Unset for features with non-null default values would not lead to null values.
// Probably CDORevisionData.NIL has to be used, but that impacts all IStores. Deferred
// ;-(
eUnset(feature);
}
}
} else {
// EReferences
if (TRACER.isEnabled()) {
TRACER.format(
"Adding object "
+ object
+ " to feature "
+ feature
+ " in instance "
+ instance); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
// Disable notifications from value during the
// invalidation in case of
// eInverseAdd/eInverseRemove
boolean eDeliver = false;
if (object instanceof Notifier) {
Notifier notifier = (Notifier) object;
eDeliver = notifier.eDeliver();
if (eDeliver) {
notifier.eSetDeliver(false);
}
}
EObject oldContainerOfValue = null;
boolean eDeliverForOldContainerOfValue = false;
if (object instanceof InternalEObject) {
InternalEObject eObject = (InternalEObject) object;
oldContainerOfValue = eObject.eInternalContainer();
if (oldContainerOfValue != null) {
eDeliverForOldContainerOfValue = oldContainerOfValue.eDeliver();
if (eDeliverForOldContainerOfValue) {
oldContainerOfValue.eSetDeliver(false);
}
}
}
int featureID = instance.eClass().getFeatureID(feature);
Class<? extends Object> baseClass = object == null ? null : object.getClass();
EStructuralFeature.Internal internalFeature = (EStructuralFeature.Internal) feature;
EReference oppositeReference = internalFeature.getEOpposite();
if (oppositeReference != null) {
if (object != null && object != instance.eGet(feature)) {
// If you have a containment reference but the container is not set, but the object is
// attached to a
// resource
// do not set the feature to null. Otherwise the object will be removed from the
// container which is the
// resource instead of the original container. As a result the object will be detached.
// See
// MapTest.testEObjectToEObjectValueContainedMap for more information
if (object != instance.eContainer() || !oppositeReference.isContainment()) {
instance.eInverseAdd((InternalEObject) object, featureID, baseClass, null);
}
if (!classInfo.hasPersistentOpposite(internalFeature)) {
adjustTransientOppositeReference(
instance, (InternalEObject) object, oppositeReference);
}
}
} else {
if (object != CDORevisionData.NIL) {
EReference reference = (EReference) feature;
if (reference.isContainment()) {
if (object != null) {
// Calling eSet it not the optimal approach, but currently there is no other way to
// set the value here.
// To avoid attaching already processed (clean) objects a check was introduced to
// CDOResourceImpl.attached(EObject).
// If we find a way to avoid the call of eSet and if we are able to only set the
// feature value directly
// this check can be removed from CDOResourceImpl. See also Bug 352204.
instance.eSet(feature, object);
} else {
instance.eSet(feature, null);
}
} else {
instance.eSet(feature, object);
}
} else {
instance.eSet(feature, null);
}
}
if (object instanceof Notifier && eDeliver) {
Notifier notifier = (Notifier) object;
notifier.eSetDeliver(eDeliver);
}
if (oldContainerOfValue != null && eDeliverForOldContainerOfValue) {
oldContainerOfValue.eSetDeliver(eDeliverForOldContainerOfValue);
}
if (TRACER.isEnabled()) {
TRACER.format(
"Added object "
+ object
+ " to feature "
+ feature
+ " in instance "
+ instance); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}
}
}
