/**
* Converts the values of an FeatureMap, the values of the collection are converted to and added
* to the list in the correct feature in the modelObject.
*
* @param eObject the eObject from which the value is read
* @param modelObject the {@link ModelObject} in which the value is to be set
* @param eFeature the eFeature which is converted
*/
protected void convertFeatureMap(
final ModelObject<?> modelObject, final EObject eObject, final EStructuralFeature eFeature) {
final Collection<?> mValues = (Collection<?>) modelObject.eGet(eFeature);
@SuppressWarnings("unchecked")
final Collection<Object> values = (Collection<Object>) eObject.eGet(eFeature);
for (final Object mValue : mValues) {
final ModelFeatureMapEntry<?> mEntry =
ModelResolver.getInstance().getModelFeatureMapEntry(eFeature, mValue);
EStructuralFeature entryFeature = mEntry.getEStructuralFeature();
Object entryValue = mEntry.getValue();
// flatten the tree of feature map entries, feature maps maybe nested
// EMF uses a flattened api, while Texo builds this actual tree of
// featuremaps, the findFeature and findValue find the deepest featureMap entry
if (FeatureMapUtil.isFeatureMap(entryFeature)) {
final ModelFeatureMapEntry<?> modelFeatureMapEntry =
ModelResolver.getInstance().getModelFeatureMapEntry(entryFeature, entryValue);
entryFeature = ModelUtils.findFeature(modelFeatureMapEntry);
entryValue = ModelUtils.findValue(modelFeatureMapEntry);
}
final Object convertedValue;
if (entryFeature instanceof EAttribute) {
convertedValue =
convertEAttributeValue(entryValue, ((EAttribute) entryFeature).getEAttributeType());
} else {
convertedValue = createTarget(entryValue);
}
final FeatureMap.Entry eEntry = FeatureMapUtil.createEntry(entryFeature, convertedValue);
values.add(eEntry);
}
}
public void repair() {
final Object target = objectMapping.get(owner);
final ModelObject<?> modelObject = ModelResolver.getInstance().getModelObject(target);
final Object listObject = modelObject.eGet(eReference);
if (!(listObject instanceof List<?>)) {
// no order maintained anyway
return;
}
final EList<?> eList = (EList<?>) owner.eGet(eReference);
@SuppressWarnings("unchecked")
final List<Object> list = (List<Object>) listObject;
int correctIndex = 0;
for (Object objectElement : eList) {
final EObject eObjectElement = (EObject) objectElement;
final Object element = objectMapping.get(eObjectElement);
final int newIndex = list.indexOf(element);
if (newIndex != correctIndex) {
try {
list.remove(element);
list.add(correctIndex, element);
} catch (UnsupportedOperationException ignore) {
// unmodifiable collection, can't handle those, go away
return;
}
}
correctIndex++;
}
}
/**
* Converts the values of an FeatureMap, the values of the collection are converted to and added
* to the list in the correct feature in the modelObject.
*
* @param eObject the eObject from which the value is read
* @param modelObject the {@link ModelObject} in which the value is to be set
* @param eFeature the eFeature which is converted
*/
protected void convertFeatureMap(
final EObject eObject, final ModelObject<?> modelObject, final EStructuralFeature eFeature) {
final Collection<?> eValues = (Collection<?>) eObject.eGet(eFeature);
@SuppressWarnings("unchecked")
final Collection<Object> values = (Collection<Object>) modelObject.eGet(eFeature);
// clear as the object may have been read from the db
values.clear();
for (final Object eValue : eValues) {
final FeatureMap.Entry eEntry = (FeatureMap.Entry) eValue;
final Object featureMapEntry = ModelResolver.getInstance().createFeatureMapEntry(eFeature);
final ModelFeatureMapEntry<?> mEntry =
ModelResolver.getInstance().getModelFeatureMapEntry(eFeature, featureMapEntry);
mEntry.setEStructuralFeature(eEntry.getEStructuralFeature());
final Object convertedValue;
if (mEntry.getEStructuralFeature() instanceof EAttribute) {
convertedValue =
convertEAttributeValue(
eEntry.getValue(),
((EAttribute) eEntry.getEStructuralFeature()).getEAttributeType());
} else {
convertedValue = createTarget((EObject) eEntry.getValue());
}
mEntry.setValue(convertedValue);
values.add(featureMapEntry);
}
}
/**
* Converts the value of an EAttribute with isMany==false, the value is converted ( {@link
* #convertEAttributeValue(Object, EDataType)}) and set in the correct feature in the eObject.
*
* @param modelObject the modelObject from which the value is retrieved.
* @param eObject the eObject in which the value is set (after it has been converted)
* @param eAttribute the EAttribute which is converted
* @see #convertEAttributeValue(Object, EDataType)
*/
protected void convertSingleEAttribute(
final ModelObject<?> modelObject, final EObject eObject, final EAttribute eAttribute) {
final Object value = modelObject.eGet(eAttribute);
// don't set the eObject if the value is null and the attribute is unsettable.
// unsettable is modelled with null in Texo.
if (value == null && ModelUtils.isUnsettable(eAttribute)) {
eObject.eUnset(eAttribute);
return;
}
final Object newValue = convertEAttributeValue(value, eAttribute.getEAttributeType());
((InternalEObject) eObject).eSet(eAttribute, newValue);
}
/**
* Converts the value of an EAttribute with isMany==true, the values of the collection are
* converted to and added to the list in the correct feature in the eObject.
*
* @param eObject the eObject from which the value is read
* @param modelObject the {@link ModelObject} in which the value is to be set
* @param eAttribute the EAttribute which is converted
* @see #convertEAttributeValue(Object, EDataType)
*/
protected void convertManyEAttribute(
final EObject eObject, final ModelObject<?> modelObject, final EAttribute eAttribute) {
final Collection<?> eValues = (Collection<?>) eObject.eGet(eAttribute);
final EDataType eDataType = eAttribute.getEAttributeType();
@SuppressWarnings("unchecked")
final Collection<Object> values = (Collection<Object>) modelObject.eGet(eAttribute);
// clear as the target may have been read from the db
values.clear();
for (final Object eValue : eValues) {
values.add(convertEAttributeValue(eValue, eDataType));
}
}
public void repair() {
final EObject eObjectOwner = objectMapping.get(owner.getTarget());
final ModelObject<?> modelObjectOwner = ModelResolver.getInstance().getModelObject(owner);
final Object listObject = modelObjectOwner.eGet(eReference);
if (!(listObject instanceof List<?>)) {
// no order maintained anyway
return;
}
final EList<?> eList = (EList<?>) eObjectOwner.eGet(eReference);
final List<?> list = (List<?>) listObject;
int currentIndex = 0;
for (Object objectElement : list) {
final EObject eObjectElement = objectMapping.get(objectElement);
final int newIndex = eList.indexOf(eObjectElement);
if (newIndex != currentIndex) {
eList.move(currentIndex, newIndex);
}
currentIndex++;
}
}
/**
* Converts the value of an EReference with isMany==false, the value is converted to an EObject
* and set in the correct feature in the eObject.
*
* @param modelObject the modelObject from which the value is retrieved.
* @param eObject the eObject in which the value is set (after it has been converted)
* @param eReference the eReference which is converted
*/
protected void convertSingleEReference(
final ModelObject<?> modelObject, final EObject eObject, final EReference eReference) {
// containment/container features are always set from the
// containment side
if (eReference.isContainer()) {
return;
}
if (eObject.eIsSet(eReference)) {
return;
}
final Object value = modelObject.eGet(eReference);
if (value == null) {
eObject.eSet(eReference, null);
} else {
final InternalEObject eValue = (InternalEObject) createTarget(value);
eObject.eSet(eReference, eValue);
}
}
/**
* Converts the value of an EAttribute with isMany==true, the values of the collection are
* converted and added to the list in the correct feature in the eObject.
*
* @param modelObject the modelObject from which the value is retrieved.
* @param eObject the eObject in which the value is set (after it has been converted)
* @param eAttribute the EAttribute which is converted
* @see #convertEAttributeValue(Object, EDataType)
*/
protected void convertManyEAttribute(
final ModelObject<?> modelObject, final EObject eObject, final EAttribute eAttribute) {
final Collection<?> values = (Collection<?>) modelObject.eGet(eAttribute);
final EDataType eDataType = eAttribute.getEAttributeType();
@SuppressWarnings("unchecked")
final List<Object> eValues = (List<Object>) eObject.eGet(eAttribute);
final List<Object> newValues = new ArrayList<Object>();
for (final Object value : values) {
newValues.add(convertEAttributeValue(value, eDataType));
}
boolean updateList = false;
if (values.size() == eValues.size()) {
final Iterator<?> it = eValues.iterator();
for (Object newValue : newValues) {
final Object oldValue = it.next();
if (newValue != null && oldValue == null) {
updateList = true;
} else if (oldValue == null && newValue != null) {
updateList = true;
} else if (oldValue != null && newValue != null) {
updateList = !oldValue.equals(newValue);
}
if (updateList) {
break;
}
}
} else {
updateList = true;
}
if (updateList) {
// clear the evalues so that an empty tag is created in the xml
eValues.clear();
eValues.addAll(newValues);
}
}
/**
* Converts the value of an EReference with isMany==true, the values of the collection are
* converted to Objects and added to the list in the correct feature in the {@link ModelObject}.
*
* @param eObject the eObject from which the value is read
* @param modelObject the Object in which the value is set
* @param eReference the eReference which is converted
*/
protected void convertManyEReference(
final EObject eObject, final ModelObject<?> modelObject, final EReference eReference) {
@SuppressWarnings("unchecked")
final Collection<EObject> eValues = (Collection<EObject>) eObject.eGet(eReference);
if (ModelUtils.isEMap(eReference)) {
@SuppressWarnings("unchecked")
final Map<Object, Object> mValues = (Map<Object, Object>) modelObject.eGet(eReference);
// clear as there can be current values if the target is read from the db
mValues.clear();
for (final Object eValue : eValues) {
@SuppressWarnings("unchecked")
final Map.Entry<Object, Object> entry = (Map.Entry<Object, Object>) eValue;
// key and value can also be an EObject
final Object key;
if (entry.getKey() instanceof EObject) {
key = createTarget((EObject) entry.getKey());
} else {
key = entry.getKey();
}
final Object value;
if (entry.getValue() instanceof EObject) {
value = createTarget((EObject) entry.getValue());
} else {
value = entry.getValue();
}
mValues.put(key, value);
}
} else {
// a many to many
if (eReference.getEOpposite() != null && eReference.getEOpposite().isMany()) {
final ManyToMany mtm = new ManyToMany();
mtm.setOwner(eObject);
mtm.setEReference(eReference);
toRepairManyToMany.add(mtm);
}
final Collection<?> mValues = (Collection<?>) modelObject.eGet(eReference);
// make a copy
final List<Object> copiedMValues = new ArrayList<Object>(mValues);
// clear as there can be current values if the target is read from the db
// use forloop as the collection can be unmodifiable
for (Object o : new ArrayList<Object>(mValues)) {
modelObject.eRemoveFrom(eReference, o);
}
// check that the eopposite is indeed cleared, this is not the case if
// there is no bi-directional code generated
final EReference eOpposite = eReference.getEOpposite();
if (eOpposite != null && !eOpposite.isMany()) {
for (Object mValue : copiedMValues) {
final ModelObject<?> modelMValue = ModelResolver.getInstance().getModelObject(mValue);
modelMValue.eSet(eOpposite, null);
}
}
for (final EObject eValue : eValues) {
final Object target = createTarget(eValue);
// first add to the many reference
modelObject.eAddTo(eReference, target);
// add to the other side, this is needed because the bi-directional
// api is not always generated
if (eOpposite != null && !eOpposite.isMany()) {
final ModelObject<?> modelObjectTarget =
ModelResolver.getInstance().getModelObject(target);
modelObjectTarget.eSet(eReference.getEOpposite(), modelObject.getTarget());
}
}
}
}
@Test
public void testRetrievalAndDelete() {
final Library lib = createTestData();
// children
final Writer w = lib.getWriters().get(0);
final Book bk = lib.getBooks().get(0);
// get model information
if (!isXmlTest()) {
{
final String content =
doGetRequest("model/epackage?id=library", null, HttpServletResponse.SC_OK);
final List<Object> objects = deserialize(content);
Assert.assertEquals(1, objects.size());
Assert.assertTrue(objects.get(0) instanceof DynamicModelObject);
final DynamicModelObject dmo = (DynamicModelObject) objects.get(0);
Assert.assertTrue(dmo.eClass() == EcorePackage.eINSTANCE.getEPackage());
Assert.assertEquals("library", dmo.eGet(EcorePackage.eINSTANCE.getENamedElement_Name()));
Assert.assertEquals(
LibraryModelPackage.NS_URI, dmo.eGet(EcorePackage.eINSTANCE.getEPackage_NsURI()));
}
{
final String content =
doGetRequest(
"model/epackage?id=" + LibraryModelPackage.NS_URI, null, HttpServletResponse.SC_OK);
final List<Object> objects = deserialize(content);
Assert.assertEquals(1, objects.size());
Assert.assertTrue(objects.get(0) instanceof DynamicModelObject);
final DynamicModelObject dmo = (DynamicModelObject) objects.get(0);
Assert.assertTrue(dmo.eClass() == EcorePackage.eINSTANCE.getEPackage());
Assert.assertEquals("library", dmo.eGet(EcorePackage.eINSTANCE.getENamedElement_Name()));
Assert.assertEquals(
LibraryModelPackage.NS_URI, dmo.eGet(EcorePackage.eINSTANCE.getEPackage_NsURI()));
}
{
final String content =
doGetRequest(
"model/eclass?name=Book&epackage=" + LibraryModelPackage.NS_URI,
null,
HttpServletResponse.SC_OK);
final List<Object> objects = deserialize(content);
Assert.assertEquals(1, objects.size());
Assert.assertTrue(objects.get(0) instanceof DynamicModelObject);
final DynamicModelObject dmo = (DynamicModelObject) objects.get(0);
Assert.assertTrue(dmo.eClass() == EcorePackage.eINSTANCE.getEClass());
Assert.assertEquals("Book", dmo.eGet(EcorePackage.eINSTANCE.getENamedElement_Name()));
}
{
final String content =
doGetRequest(
"model/eclassifier?name=BookCategory&epackage=" + LibraryModelPackage.NS_URI,
null,
HttpServletResponse.SC_OK);
final List<Object> objects = deserialize(content);
Assert.assertEquals(1, objects.size());
Assert.assertTrue(objects.get(0) instanceof DynamicModelObject);
final DynamicModelObject dmo = (DynamicModelObject) objects.get(0);
Assert.assertTrue(dmo.eClass() == EcorePackage.eINSTANCE.getEEnum());
Assert.assertEquals(
"BookCategory", dmo.eGet(EcorePackage.eINSTANCE.getENamedElement_Name()));
}
}
// get all libraries
{
final String content =
doGetRequest(
LibraryModelPackage.INSTANCE.getLibraryEClass().getName(),
null,
HttpServletResponse.SC_OK);
final List<Object> objects = deserialize(content);
Assert.assertEquals(1, objects.size());
final ResponseType responseType = (ResponseType) objects.get(0);
final Library libResult = (Library) responseType.getData().get(0);
Assert.assertNotSame(lib, libResult);
Assert.assertEquals(lib.getDb_Id(), libResult.getDb_Id());
}
// get one library, and call its content
{
String content = getOneObject(lib);
getValidateOneObject(lib);
System.err.println(content);
// and all its content
final ModelObject<?> modelObject = ModelResolver.getInstance().getModelObject(lib);
for (EReference eReference : modelObject.eClass().getEAllReferences()) {
final Object value = modelObject.eGet(eReference);
if (value == null) {
continue;
}
if (eReference.isMany()) {
for (Object element : (List<?>) value) {
if (element instanceof Identifiable) {
getValidateOneObject(element);
}
}
} else {
if (value instanceof Identifiable) {
getValidateOneObject(value);
}
}
}
}
// now delete the library
doDeleteRequest(
LibraryModelPackage.INSTANCE.getLibraryEClass().getName() + "/" + lib.getDb_Id(),
HttpServletResponse.SC_OK); // $NON-NLS-1$
// this should fail
{
final String content =
doGetRequest(
LibraryModelPackage.INSTANCE.getLibraryEClass().getName() + "/" + lib.getDb_Id(),
null,
HttpServletResponse.SC_NOT_FOUND); // $NON-NLS-1$
final List<Object> objects = deserialize(content);
Assert.assertEquals(1, objects.size());
final ErrorType errorType = (ErrorType) objects.get(0);
Assert.assertTrue(errorType.getMessage().contains("Resource not found")); // $NON-NLS-1$
}
// children are removed
checkExists(w, false);
checkExists(bk, false);
}
/**
* Converts the value of an EReference with isMany==true, the values of the collection are
* converted to EObjects and added to the list in the correct feature in the eObject.
*
* @param modelObject the modelObject from which the value is retrieved.
* @param eObject the eObject in which the value is set (after it has been converted)
* @param eReference the eReference which is converted
*/
protected void convertManyEReference(
final ModelObject<?> modelObject, final EObject eObject, final EReference eReference) {
// container feature is always set from the other side, the containment
// side
if (eReference.isContainer()) {
return;
}
final Object manyValue = modelObject.eGet(eReference);
final Collection<EObject> newValues = new ArrayList<EObject>();
boolean isMap = Map.class.isAssignableFrom(manyValue.getClass());
EStructuralFeature valueFeature = null;
EStructuralFeature keyFeature = null;
if (isMap) {
final EClass mapEClass = eReference.getEReferenceType();
valueFeature = mapEClass.getEStructuralFeature("value"); // $NON-NLS-1$
keyFeature = mapEClass.getEStructuralFeature("key"); // $NON-NLS-1$
Check.isTrue(
ModelUtils.isEMap(eReference),
"Expected emap EReference, but th// case for EReference " //$NON-NLS-1$
+ eReference);
final Map<?, ?> map = (Map<?, ?>) manyValue;
for (final Object key : map.keySet()) {
final Object value = map.get(key);
final EObject mapEntryEObject = EcoreUtil.create(mapEClass);
// key and value maybe primitive types but can also be
// references to model objects.
if (valueFeature instanceof EReference) {
mapEntryEObject.eSet(valueFeature, createTarget(value));
} else {
mapEntryEObject.eSet(valueFeature, value);
}
if (keyFeature instanceof EReference) {
mapEntryEObject.eSet(keyFeature, createTarget(key));
} else {
mapEntryEObject.eSet(keyFeature, key);
}
newValues.add(mapEntryEObject);
}
} else {
// a many to many
if (eReference.getEOpposite() != null && eReference.getEOpposite().isMany()) {
final ManyToMany mtm = new ManyToMany();
mtm.setOwner(modelObject);
mtm.setEReference(eReference);
toRepairManyToMany.add(mtm);
}
@SuppressWarnings("unchecked")
final Collection<Object> values = (Collection<Object>) manyValue;
for (final Object value : values) {
if (value == null) {
newValues.add(null);
} else {
final InternalEObject eValue = (InternalEObject) createTarget(value);
if (!newValues.contains(eValue)) {
newValues.add(eValue);
}
}
}
}
@SuppressWarnings("unchecked")
final Collection<EObject> eValues = (Collection<EObject>) eObject.eGet(eReference);
boolean updateList = false;
if (newValues.size() == eValues.size()) {
final Iterator<?> it = eValues.iterator();
for (Object newValue : newValues) {
final Object oldValue = it.next();
if (isMap) {
final EObject oldMapEntry = (EObject) oldValue;
final EObject newMapEntry = (EObject) newValue;
final Object oldMapValue = oldMapEntry.eGet(valueFeature);
final Object oldMapKey = oldMapEntry.eGet(keyFeature);
final Object newMapValue = newMapEntry.eGet(valueFeature);
final Object newMapKey = newMapEntry.eGet(keyFeature);
if (valueFeature instanceof EReference) {
updateList = oldMapValue == newMapValue;
} else {
updateList =
oldMapValue != null
? !oldMapValue.equals(newMapValue)
: newMapValue != null ? !newMapValue.equals(oldMapValue) : false;
}
if (keyFeature instanceof EReference) {
updateList = updateList || oldMapKey == newMapKey;
} else {
updateList =
updateList
|| (oldMapKey != null
? !oldMapKey.equals(newMapKey)
: newMapKey != null ? !newMapKey.equals(oldMapKey) : false);
}
} else {
updateList = oldValue != newValue;
}
if (updateList) {
break;
}
}
} else {
updateList = true;
}
if (updateList) {
// clear the evalues so that an empty tag is created in the xml
eValues.clear();
eValues.addAll(newValues);
}
}