public void delete(OpenJPAStateManager sm, JDBCStore store, RowManager rm) throws SQLException {
if (field.getMappedBy() != null) return;
// if nullable, null any existing inverse columns that refer to this obj
ValueMapping elem = field.getElementMapping();
ColumnIO io = elem.getColumnIO();
ForeignKey fk = elem.getForeignKey();
if (!elem.getUseClassCriteria() && io.isAnyUpdatable(fk, true)) {
assertInversable();
Row row = rm.getAllRows(fk.getTable(), Row.ACTION_UPDATE);
row.setForeignKey(fk, io, null);
row.whereForeignKey(fk, sm);
rm.flushAllRows(row);
return;
}
if (!sm.getLoaded().get(field.getIndex())) return;
// update fk on each field value row
ClassMapping rel = field.getElementMapping().getTypeMapping();
StoreContext ctx = store.getContext();
Collection objs = toCollection(sm.fetchObject(field.getIndex()));
if (objs != null && !objs.isEmpty())
for (Iterator itr = objs.iterator(); itr.hasNext(); )
updateInverse(ctx, itr.next(), rel, rm, sm, 0);
}
