001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (C) 2012 Paul Ferraro 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU Lesser General Public License as published by 007 * the Free Software Foundation, either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018package net.sf.hajdbc.util; 019 020import java.io.IOException; 021import java.io.ObjectInputStream; 022import java.io.ObjectOutputStream; 023import java.util.EventObject; 024 025/** 026 * @author Paul Ferraro 027 */ 028public class Event<T> extends EventObject 029{ 030 private static final long serialVersionUID = 1032680699193401944L; 031 032 public Event(T source) 033 { 034 super(source); 035 } 036 037 @Override 038 public T getSource() 039 { 040 return (T) this.source; 041 } 042 043 @Override 044 public boolean equals(Object object) 045 { 046 return ((object != null) && this.getClass().isInstance(object)) ? this.source.equals(this.getClass().cast(object).source) : false; 047 } 048 049 @Override 050 public int hashCode() 051 { 052 return this.source.hashCode(); 053 } 054 055 @Override 056 public String toString() 057 { 058 return this.source.toString(); 059 } 060 061 private void writeObject(ObjectOutputStream out) throws IOException 062 { 063 out.defaultWriteObject(); 064 // this.source is transient, so we need to explicitly write it to the output stream 065 out.writeObject(this.source); 066 } 067 068 private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException 069 { 070 in.defaultReadObject(); 071 // this.source is transient, so we need to explicitly read it from the input stream 072 this.source = in.readObject(); 073 } 074}