1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.common.procedure.single.wrapper;
14 import org.simantics.db.AsyncReadGraph;
15 import org.simantics.db.procedure.AsyncProcedure;
17 final public class ExceptionToNullProcedure<Result> implements AsyncProcedure<Result> {
19 final private AsyncProcedure<Result> procedure;
21 public ExceptionToNullProcedure(AsyncProcedure<Result> procedure) {
22 this.procedure = procedure;
26 public void execute(AsyncReadGraph graph, Result result) {
27 procedure.execute(graph, result);
32 public void exception(AsyncReadGraph graph, Throwable t) {
33 procedure.execute(graph, null);
37 public String toString() {
38 return "ExceptionToNullProcedure -> " + procedure;