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.concurrent; 022 023import java.util.concurrent.Executor; 024import java.util.concurrent.ExecutorService; 025 026import org.quartz.CronExpression; 027 028/** 029 * Executor service that schedules a runnable task for execution via a cron expression. 030 * 031 * @author Paul Ferraro 032 */ 033public interface CronExecutorService extends Executor, ExecutorService 034{ 035 /** 036 * Schedules the specified task to execute according to the specified cron expression. 037 * @see org.quartz.CronExpression 038 * @param task the Runnable task to schedule 039 * @param expression a cron expression 040 */ 041 public void schedule(Runnable task, CronExpression expression); 042}