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.distributed; 019 020import java.io.Serializable; 021 022/** 023 * A command to be executed on a remote member. 024 * 025 * @author Paul Ferraro 026 * @param <R> the execution return type 027 * @param <C> the execution context type 028 */ 029public interface Command<R, C> extends Serializable 030{ 031 /** 032 * Execute this command with the specified context. 033 * @param context the execution context. 034 * @return the result of this command. 035 */ 036 R execute(C context); 037}