Java Code Examples for org.eclipse.emf.ecore.EAttribute#isMany()

protected EStructuralFeature getLabelFeature(EClass eClass) {
	EAttribute result = null;
	for (EAttribute eAttribute : eClass.getEAllAttributes()) {
		if (!eAttribute.isMany() && eAttribute.getEType().getInstanceClass() != FeatureMap.Entry.class) {
			if ("name".equalsIgnoreCase(eAttribute.getName())) {
				result = eAttribute;
				break;
			} else if (result == null) {
				result = eAttribute;
			} else if (eAttribute.getEAttributeType().getInstanceClass() == String.class
					&& result.getEAttributeType().getInstanceClass() != String.class) {
				result = eAttribute;
			}
		}
	}
	return result;
}
 

public void setAttribute(EAttribute eAttribute, Object value) throws BimserverDatabaseException {
		if (eAttribute.isMany()) {
			throw new UnsupportedOperationException("Feature isMany not supported by setAttribute");
		} else {
			if (eAttribute.getEType() instanceof EEnum) {
				writeEnum(eAttribute, value);
			} else if (eAttribute.getEType() instanceof EClass) {
				if (value == null) {
					ensureCapacity(buffer.position(), 2);
					buffer.order(ByteOrder.LITTLE_ENDIAN);
					buffer.putShort((short) -1);
					buffer.order(ByteOrder.BIG_ENDIAN);
				} else if (value instanceof WrappedVirtualObject) {
					ByteBuffer otherBuffer = ((WrappedVirtualObject) value).write();
					ensureCapacity(buffer.position(), otherBuffer.position());
					buffer.put(otherBuffer.array(), 0, otherBuffer.position());
//					writeWrappedValue(getPid(), getRid(), (WrappedVirtualObject) value, getPackageMetaData());
				} else {
					throw new UnsupportedOperationException("??");
				}
			} else if (eAttribute.getEType() instanceof EDataType) {
				writePrimitiveValue(eAttribute, value);
			}
		}
		incrementFeatureCounter(eAttribute);
	}
 

@SuppressWarnings({ "rawtypes", "unchecked" })
private void setDoubleAsStringValues(IdEObject idEObject) {
	for (EAttribute eAttribute : idEObject.eClass().getEAllAttributes()) {
		if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEDouble()) {
			EStructuralFeature asStringFeature = idEObject.eClass().getEStructuralFeature(eAttribute.getName() + "AsString");
			if (asStringFeature != null) {
				if (eAttribute.isMany()) {
					List list = (List) idEObject.eGet(eAttribute);
					List listAsString = (List) idEObject.eGet(asStringFeature);
					for (int i = 0; i < list.size(); i++) {
						listAsString.set(i, "" + list.get(i));
					}
				} else {
					idEObject.eSet(asStringFeature, "" + idEObject.eGet(eAttribute));
				}
			}
		}
	}
}
 

private int estimateBufferSize(EClass eClass) {
	int size = 0;
	for (EStructuralFeature eStructuralFeature : eClass.getEAllStructuralFeatures()) {
		if (eStructuralFeature instanceof EAttribute) {
			EAttribute eAttribute = (EAttribute)eStructuralFeature;
			if (eAttribute.isMany()) {
				size += 2 + AVERAGE_PRIMITIVE_LIST_SIZE * getPrimitiveSize((EDataType) eAttribute.getEType());
			} else {
				size += getPrimitiveSize((EDataType) eAttribute.getEType());
			}
		} else if (eStructuralFeature instanceof EReference) {
			EReference eReference = (EReference)eStructuralFeature;
			if (eReference.isMany()) {
				size += 2 + AVERAGE_REFERENCE_LIST_SIZE * 10;
			} else {
				size += 10;
			}
		}
	}
	return size;
}
 

/**
 * Get the value of an instance's attribute
 *
 * @param <V>
 * @param attribute
 * @return Value
 */
@SuppressWarnings("unchecked")
private <V> V getAttributeValue(EAttribute attribute) {
    final Slot slot = getSlot(attribute);
    if (slot == null) {
        if (attribute.isMany()) {
            return (V) new UpdatingList(this, attribute);
        } else if (attribute.getEType().getInstanceClass() != null
                && Collection.class.isAssignableFrom(attribute.getEType().getInstanceClass())) {//Patch for Notation model
            return (V) new UpdatingList(this, attribute);
        } else if (attribute.getDefaultValue() != null) {
            return (V) attribute.getDefaultValue();
        }
        return null;
    }
    final EList<Object> values = new UpdatingList(this, attribute,
            ((AttributeSlot) slot).getValues());
    if (attribute.isMany()) {
        return (V) values;
    } else if (!values.isEmpty()) {
        return (V) values.get(0);
    }
    return null;
}
 

@Override
public void execute(Transaction transaction) throws UserException, BimserverLockConflictException, BimserverDatabaseException, IOException, QueryException {
	PackageMetaData packageMetaData = transaction.getDatabaseSession().getMetaDataManager().getPackageMetaData(transaction.getProject().getSchema());

	HashMapVirtualObject object = transaction.get(oid);
	if (object == null) {
		Query query = new Query(packageMetaData);
		QueryPart queryPart = query.createQueryPart();
		queryPart.addOid(oid);

		QueryObjectProvider queryObjectProvider = new QueryObjectProvider(transaction.getDatabaseSession(), transaction.getBimServer(), query, Collections.singleton(transaction.getPreviousRevision().getOid()), packageMetaData);
		object = queryObjectProvider.next();
		transaction.updated(object);
	}
	
	EClass eClass = transaction.getDatabaseSession().getEClassForOid(oid);
	if (!ChangeHelper.canBeChanged(eClass)) {
		throw new UserException("Only objects from the following schemas are allowed to be changed: Ifc2x3tc1 and IFC4, this object (" + eClass.getName() + ") is from the \"" + eClass.getEPackage().getName() + "\" package");
	}
	if (object == null) {
		throw new UserException("No object of type \"" + eClass.getName() + "\" with oid " + oid + " found in project with pid " + transaction.getProject().getId());
	}
	EAttribute eAttribute = packageMetaData.getEAttribute(eClass.getName(), attributeName);
	if (eAttribute == null) {
		throw new UserException("No attribute with the name \"" + attributeName + "\" found in class \"" + eClass.getName() + "\"");
	}
	if (!eAttribute.isMany()) {
		throw new UserException("Attribute is not of type 'many'");
	}
	
	object.addListItem(eAttribute, value);
}
 

@SuppressWarnings("rawtypes")
@Override
public void execute(Transaction transaction) throws UserException, BimserverLockConflictException, BimserverDatabaseException, IOException, QueryException {
	PackageMetaData packageMetaData = transaction.getDatabaseSession().getMetaDataManager().getPackageMetaData(transaction.getProject().getSchema());

	HashMapVirtualObject object = transaction.get(oid);
	if (object == null) {
		Query query = new Query(packageMetaData);
		QueryPart queryPart = query.createQueryPart();
		queryPart.addOid(oid);

		QueryObjectProvider queryObjectProvider = new QueryObjectProvider(transaction.getDatabaseSession(), transaction.getBimServer(), query, Collections.singleton(transaction.getPreviousRevision().getOid()), packageMetaData);
		object = queryObjectProvider.next();
		transaction.updated(object);
	}
	
	EClass eClass = transaction.getDatabaseSession().getEClassForOid(oid);
	if (!ChangeHelper.canBeChanged(eClass)) {
		throw new UserException("Only objects from the following schemas are allowed to be changed: Ifc2x3tc1 and IFC4, this object (" + eClass.getName() + ") is from the \"" + eClass.getEPackage().getName() + "\" package");
	}
	if (object == null) {
		throw new UserException("No object of type \"" + eClass.getName() + "\" with oid " + oid + " found in project with pid " + transaction.getProject().getId());
	}
	EAttribute eAttribute = packageMetaData.getEAttribute(eClass.getName(), attributeName);
	if (eAttribute == null) {
		throw new UserException("No attribute with the name \"" + attributeName + "\" found in class \"" + eClass.getName() + "\"");
	}
	if (eAttribute.isMany()) {
		List list = (List)object.get(eAttribute.getName());
		list.remove(index);
	}
}