if (c.propertyName == null) {
for (SelectorImpl selector : selectors) {
if (c.selectorName == null
|| c.selectorName
.equals(selector.getSelectorName())) {
ColumnImpl column = factory.column(selector
.getSelectorName(), null, null);
columns.add(column);
}
}
} else {
ColumnImpl column;
if (c.selectorName != null) {
column = factory.column(c.selectorName, c.propertyName, c.columnName);
} else if (c.columnName != null) {
column = factory.column(getOnlySelectorName(), c.propertyName, c.columnName);
} else {