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.request;
15 abstract public class BinaryAsyncRead<P1, P2, R> extends UnaryAsyncRead<P1, R> {
17 final protected P2 parameter2;
20 public int hashCode() {
21 final int h1 = parameter != null ? parameter.hashCode() : 0;
22 final int h2 = parameter2 != null ? parameter2.hashCode() : 0;
27 public boolean equals(Object object) {
30 else if (object == null)
32 else if (getClass() != object.getClass())
34 BinaryAsyncRead<?, ?, ?> r = (BinaryAsyncRead<?, ?, ?>) object;
35 if(parameter != null) {
36 if(!parameter.equals(r.parameter)) return false;
37 } else if(r.parameter != null) return false;
38 if(parameter2 != null) {
39 if(!parameter2.equals(r.parameter2)) return false;
40 } else if(r.parameter2 != null) return false;
44 public BinaryAsyncRead(P1 parameter1, P2 parameter2) {
46 this.parameter2 = parameter2;
50 public String toString() {
51 return getClass().getName() + "[" + parameter + ", " + parameter2 + "]";