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/*
 * Fabric3
 * Copyright (c) 2009-2013 Metaform Systems
 *
 * Fabric3 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version, with the
 * following exception:
 *
 * Linking this software statically or dynamically with other
 * modules is making a combined work based on this software.
 * Thus, the terms and conditions of the GNU General Public
 * License cover the whole combination.
 *
 * As a special exception, the copyright holders of this software
 * give you permission to link this software with independent
 * modules to produce an executable, regardless of the license
 * terms of these independent modules, and to copy and distribute
 * the resulting executable under terms of your choice, provided
 * that you also meet, for each linked independent module, the
 * terms and conditions of the license of that module. An
 * independent module is a module which is not derived from or
 * based on this software. If you modify this software, you may
 * extend this exception to your version of the software, but
 * you are not obligated to do so. If you do not wish to do so,
 * delete this exception statement from your version.
 *
 * Fabric3 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the
 * GNU General Public License along with Fabric3.
 * If not, see .
 *
 * ----------------------------------------------------
 *
 * Portions originally based on Apache Tuscany 2007
 * licensed under the Apache 2.0 license.
 *
 */
package org.fabric3.fabric.command;

import java.net.URI;

import org.fabric3.spi.command.CompensatableCommand;

/**
 * A command to start a component on a runtime.
 */
public class StartComponentCommand implements CompensatableCommand {
    private static final long serialVersionUID = -6106317903755129824L;

    private final URI uri;

    public StartComponentCommand(URI uri) {
        this.uri = uri;
    }

    public URI getUri() {
        return uri;
    }

    public StopComponentCommand getCompensatingCommand() {
        return new StopComponentCommand(uri);
    }
    
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        StartComponentCommand that = (StartComponentCommand) o;

        return !(uri != null ? !uri.equals(that.uri) : that.uri != null);

    }

    public int hashCode() {
        return (uri != null ? uri.hashCode() : 0);
    }

}