public Object getObjectForUpdate(
Session session,
Object objectToUpdateBeforeChange,
Object objectToUpdateAfterChange,
boolean useUOW) {
ClassDescriptor desc = session.getClassDescriptor(objectToUpdateBeforeChange);
Record rowBeforeChange =
desc.getObjectBuilder()
.buildRow(objectToUpdateBeforeChange, (AbstractSession) session, WriteType.UPDATE);
Record rowAfterChange =
desc.getObjectBuilder()
.buildRow(objectToUpdateAfterChange, (AbstractSession) session, WriteType.UPDATE);
Record rowChange = new DatabaseRecord();
getChange(
rowChange,
session,
objectToUpdateBeforeChange,
objectToUpdateAfterChange,
desc,
useUOW,
WriteType.UPDATE);
Record rowReturn = getRowForUpdate(rowChange);
if (rowReturn != null && !rowReturn.isEmpty()) {
Record row = new DatabaseRecord(rowAfterChange.size());
row.putAll(rowAfterChange);
row.putAll(rowReturn);
return readObjectFromRow(session, desc, row);
} else {
return objectToUpdateAfterChange;
}
}
protected static void afterAddDescriptors(Session session, TestSystem aTestSystem) {
if (aTestSystem instanceof InheritanceSystem) {
// For using read all subclasses views.
org.eclipse.persistence.internal.databaseaccess.DatabasePlatform platform =
session.getLogin().getPlatform();
if (platform.isOracle() || platform.isSybase() || platform.isSQLAnywhere()) {
ClassDescriptor computerDescriptor = session.getClassDescriptor(Computer.class);
ClassDescriptor vehicleDescriptor = session.getClassDescriptor(Vehicle.class);
if (computerDescriptor.getInheritancePolicy().requiresMultipleTableSubclassRead()) {
computerDescriptor.getInheritancePolicy().setReadAllSubclassesViewName("AllComputers");
}
if (vehicleDescriptor.getInheritancePolicy().requiresMultipleTableSubclassRead()) {
vehicleDescriptor.getInheritancePolicy().setReadAllSubclassesViewName("AllVehicles");
}
}
}
}
public Object getObjectForInsert(Session session, Object objectToInsert) {
ClassDescriptor desc = session.getClassDescriptor(objectToInsert);
Record rowToInsert =
desc.getObjectBuilder()
.buildRow(objectToInsert, (AbstractSession) session, WriteType.INSERT);
Record rowReturn = getRowForInsert(rowToInsert);
if (rowReturn != null && !rowReturn.isEmpty()) {
Record row = new DatabaseRecord(rowToInsert.size());
row.putAll(rowToInsert);
row.putAll(rowReturn);
return readObjectFromRow(session, desc, row);
} else {
return objectToInsert;
}
}
protected Object readObjectFromRow(Session session, ClassDescriptor desc, Record row) {
if (desc.hasInheritance()) {
Class newClass =
desc.getInheritancePolicy().classFromRow((DatabaseRecord) row, (AbstractSession) session);
desc = session.getClassDescriptor(newClass);
}
Object object = desc.getObjectBuilder().buildNewInstance();
ReadObjectQuery query = new ReadObjectQuery();
query.setSession((AbstractSession) session);
for (Enumeration mappings = desc.getMappings().elements(); mappings.hasMoreElements(); ) {
DatabaseMapping mapping = (DatabaseMapping) mappings.nextElement();
mapping.readFromRowIntoObject(
(DatabaseRecord) row,
query.getJoinedAttributeManager(),
object,
null,
query,
query.getSession(),
true);
}
return object;
}
