001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (c) 2004-2007 Paul Ferraro 004 * 005 * This library is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU Lesser General Public License as published by the 007 * Free Software Foundation; either version 2.1 of the License, or (at your 008 * option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, but WITHOUT 011 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 012 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 013 * for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this library; if not, write to the Free Software Foundation, 017 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 018 * 019 * Contact: ferraro@users.sourceforge.net 020 */ 021package net.sf.hajdbc.util; 022 023/** 024 * Interface for enumerated implementation classes. 025 * @author Paul Ferraro 026 * @param <T> the implemented interface for each enumerated class 027 */ 028public interface ClassEnum<T> 029{ 030 /** 031 * Creates a new instance of the enumerated class. 032 * @return a new instance of the enumerated class 033 * @throws Exception if a new instance could not be instantiated. 034 */ 035 public T newInstance() throws Exception; 036 037 /** 038 * Indicates whether the specified object is an instance of this enumerated class. 039 * @param object an instance 040 * @return true, if this object is an instance of this enumerated class, false otherwise 041 */ 042 public boolean isInstance(T object); 043}