001 /* 002 * Copyright 2005 Stephen J. McConnell. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 013 * implied. 014 * 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019 package net.dpml.runtime; 020 021 import java.util.EventObject; 022 023 024 /** 025 * Event triggered as a result of a state change. 026 * 027 * @author <a href="http://www.dpml.net">Digital Product Management Laboratory</a> 028 * @version 2.0.2 029 */ 030 public abstract class ComponentEvent extends EventObject 031 { 032 /** 033 * Serial version identifier. 034 */ 035 static final long serialVersionUID = 1L; 036 037 private final Component m_component; 038 039 /** 040 * Construct a new <code>StateEvent</code>. 041 * 042 * @param source the source component 043 */ 044 public ComponentEvent( final Component source ) 045 { 046 super( source ); 047 m_component = source; 048 } 049 050 /** 051 * Return the component that initiated the event. 052 * @return the source component 053 */ 054 public Component getComponent() 055 { 056 return m_component; 057 } 058 } 059