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}