/**
* @see org.teiid.designer.core.util.ModelVisitor#visit(org.eclipse.emf.ecore.EObject)
* @since 4.3
*/
@Override
public boolean visit(final EObject object) {
// Find all references ...
final EClass eclass = object.eClass();
final Collection allRefs = eclass.getEAllReferences();
for (final Iterator i = allRefs.iterator(); i.hasNext(); ) {
final EReference reference = (EReference) i.next();
// Process only non-containment references ...
if (!reference.isContainment() && !reference.isContainer() && !reference.isVolatile()) {
final Object value = object.eGet(reference, false);
if (reference.isMany()) {
// There may be many values ...
boolean removeRefdValue = false;
for (Iterator j = ((List) value).iterator(); j.hasNext(); ) {
final Object valueInList = j.next();
if (valueInList instanceof EObject && valueInList == refdObject) {
removeRefdValue = true;
}
}
if (removeRefdValue && reference.isChangeable()) {
((List) value).remove(refdObject);
this.affectedObjects.add(object);
}
} else {
// There may be 0..1 value ...
if (value instanceof EObject && value == refdObject) {
if (reference.isChangeable()) {
object.eUnset(reference);
this.affectedObjects.add(object);
}
}
}
}
}
return true;
}
/** Add the specified list any external resource for this EReference feature */
protected void processReference(
final Resource eResource,
final EObject eObject,
final EReference eReference,
final List externalResources,
final Set unresolvedResourceURIs) {
if (!eReference.isContainment() && !eReference.isContainer() && !eReference.isVolatile()) {
// The reference is NOT the container NOR a containment feature ...
final Object value = eObject.eGet(eReference, false);
if (eReference.isMany()) {
// There may be many values ...
final Iterator valueIter = ((List) value).iterator();
while (valueIter.hasNext()) {
final Object valueInList = valueIter.next();
if (valueInList instanceof EObject) {
processReferenceValue(
eResource,
eObject,
eReference,
(EObject) valueInList,
externalResources,
unresolvedResourceURIs);
}
}
} else {
// There may be 0..1 value ...
if (value instanceof EObject) {
processReferenceValue(
eResource,
eObject,
eReference,
(EObject) value,
externalResources,
unresolvedResourceURIs);
}
}
}
}
/**
* @param eObj the EObject whose contents will be checked for references to the original model
* and updated to new model
* @see org.teiid.designer.core.util.ModelVisitor#visit(org.eclipse.emf.ecore.EObject)
* @since 4.2
*/
@Override
public boolean visit(final EObject eObj) {
// Get all EReference features for this EClass
final List refs = eObj.eClass().getEAllReferences();
for (final Iterator iter1 = refs.iterator(); iter1.hasNext(); ) {
final EReference eReference = (EReference) iter1.next();
// since we are going to visit all children
// need not visit container references
if (eReference.isContainment() && eReference.isContainer() && eReference.isVolatile()) {
continue;
}
final Object value = eObj.eGet(eReference);
if (eReference.isMany()) {
// multi-valued feature ...
final List values = (List) value;
if (!values.isEmpty()) {
final Collection newValues = new ArrayList(values.size());
boolean resetList = false;
// Check each value in the List for references to
// EObjects in the original model. If the value
// is found in the map then the EObject was copied
// so the reference needs to be reset
for (final Iterator iter2 = values.iterator(); iter2.hasNext(); ) {
final Object valueInList = iter2.next();
if (valueInList != null && valueInList instanceof EObject) {
final EObject orig = (EObject) valueInList;
final EObject copy = (EObject) originalsToCopies.get(orig);
if (copy != null) {
newValues.add(copy);
resetList = true;
} else {
// copy does not exist,
// values on the object may need to be updated
updateReference(orig);
newValues.add(orig);
}
}
}
if (resetList) {
// always fails (see SetCommand.java:340):
// eObj.eSet(eReference,newValues);
ModelerCore.getModelEditor().setPropertyValue(eObj, newValues, eReference);
}
}
} else {
// There may be 0..1 value ...
if (value != null && value instanceof EObject) {
final EObject orig = (EObject) value;
final EObject copy = (EObject) originalsToCopies.get(orig);
if (copy != null) {
eObj.eSet(eReference, copy);
} else {
// copy does not exist,
// values on the object may need to be updated
updateReference(orig);
}
}
}
}
return true;
}
