public Row getRow(Table table, int action, OpenJPAStateManager sm, boolean create) {
if (sm == null) return null;
// check if request matches cached version
if (_key != null
&& _key.table == table
&& _key.sm == sm
&& _row != null
&& _row.getAction() == action) return _row;
Map<Key, PrimaryRow> map;
if (action == Row.ACTION_DELETE) {
if (_deletes == null && create) _deletes = new LinkedHashMap<Key, PrimaryRow>();
map = _deletes;
} else if (action == Row.ACTION_INSERT) {
if (_inserts == null && create) _inserts = new LinkedHashMap<Key, PrimaryRow>();
map = _inserts;
} else {
if (_updates == null && create) _updates = new LinkedHashMap<Key, PrimaryRow>();
map = _updates;
}
if (map == null) return null;
_key = new Key(table, sm);
_row = map.get(_key);
if (_row == null && create) {
_row = new PrimaryRow(table, action, sm);
map.put(_key, _row);
if (_primaryOrder != null) {
_row.setIndex(_primaryOrder.size());
_primaryOrder.add(_row);
}
if (!_auto && action == Row.ACTION_INSERT) _auto = table.getAutoAssignedColumns().length > 0;
}
if (_row != null) _row.setFailedObject(sm.getManagedInstance());
return _row;
}
public int hashCode() {
return ((table == null) ? 0 : table.hashCode())
+ ((sm == null) ? 0 : sm.hashCode()) % Integer.MAX_VALUE;
}