/** INTERNAL: Write fields needed for insert into the template for with null values. */
public void writeInsertFieldsIntoRow(AbstractRecord record, AbstractSession session) {
if (isReadOnly()) {
return;
}
record.put(getField(), null);
}
/**
* INTERNAL: Return the value of the field from the row or a value holder on the query to obtain
* the object. Check for batch + aggregation reading.
*/
public Object valueFromRow(
AbstractRecord row,
JoinedAttributeManager joinManager,
ObjectBuildingQuery query,
AbstractSession executionSession)
throws DatabaseException {
Ref ref = (Ref) row.get(getField());
if (ref == null) {
return null;
}
Struct struct;
try {
((DatabaseAccessor) executionSession.getAccessor()).incrementCallCount(executionSession);
java.sql.Connection connection =
((DatabaseAccessor) executionSession.getAccessor()).getConnection();
struct =
(Struct) executionSession.getPlatform().getRefValue(ref, executionSession, connection);
} catch (java.sql.SQLException exception) {
throw DatabaseException.sqlException(exception, executionSession, false);
}
AbstractRecord targetRow =
((ObjectRelationalDataTypeDescriptor) getReferenceDescriptor())
.buildRowFromStructure(struct);
((DatabaseAccessor) executionSession.getAccessor()).decrementCallCount();
return getReferenceDescriptor().getObjectBuilder().buildObject(query, targetRow, joinManager);
}
/**
* INTERNAL: This row is built for shallow insert which happens in case of bidirectional inserts.
* The foreign keys must be set to null to avoid constraints.
*/
public void writeFromObjectIntoRowForShallowInsertWithChangeRecord(
ChangeRecord changeRecord, AbstractRecord record, AbstractSession session) {
if (isReadOnly()) {
return;
}
record.put(getField(), null);
}
/** INTERNAL: Get a value from the object and set that in the respective field of the row. */
public void writeFromObjectIntoRow(
Object object, AbstractRecord record, AbstractSession session) {
if (isReadOnly()) {
return;
}
Object referenceObject = getRealAttributeValueFromObject(object, session);
if (referenceObject == null) {
// Fix for 2730536, must put something in modify row, even if it is null.
record.put(getField(), null);
return;
}
Ref ref =
((ObjectRelationalDataTypeDescriptor) getReferenceDescriptor())
.getRef(referenceObject, session);
record.put(getField(), ref);
}
/** INTERNAL: Get a value from the object and set that in the respective field of the row. */
public void writeFromObjectIntoRowWithChangeRecord(
ChangeRecord changeRecord, AbstractRecord record, AbstractSession session) {
if (isReadOnly()) {
return;
}
ObjectChangeSet changeSet =
(ObjectChangeSet) ((ObjectReferenceChangeRecord) changeRecord).getNewValue();
Object referenceObject = changeSet.getUnitOfWorkClone();
if (referenceObject == null) {
return;
}
Ref ref =
((ObjectRelationalDataTypeDescriptor) getReferenceDescriptor())
.getRef(referenceObject, session);
record.put(getField(), ref);
}
