import org.simantics.db.exception.DatabaseException;
import org.simantics.db.impl.DebugPolicy;
import org.simantics.db.impl.graph.ReadGraphImpl;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.impl.DebugPolicy;
import org.simantics.db.impl.graph.ReadGraphImpl;
request.perform(graph , new AsyncProcedure<T>() {
@Override
public void execute(AsyncReadGraph graph, T result) {
addOrSet(graph, result);
request.perform(graph , new AsyncProcedure<T>() {
@Override
public void execute(AsyncReadGraph graph, T result) {
addOrSet(graph, result);