/////////////////////////////////////////////////////////////////////////
//
// © University of Southampton IT Innovation Centre, 2004
//
// Copyright in this library belongs to the IT Innovation Centre of
// 2 Venture Road, Chilworth Science Park, Southampton, SO16 7NP, UK.
//
// This software may not be used, sold, licensed, transferred, copied
// or reproduced in whole or in part in any manner or form or in or
// on any media by any person other than in accordance with the terms
// of the Licence Agreement supplied with the software, or otherwise
// without the prior written consent of the copyright owners.
//
// This software is distributed WITHOUT ANY WARRANTY, without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE, except where stated in the Licence Agreement supplied with
// the software.
//
//      Created by:             Darren Marvin
//      Created date:           2004/04/30
//      Created for project:    GEMSS
//
/////////////////////////////////////////////////////////////////////////
//
//      Dependencies: None.
//
/////////////////////////////////////////////////////////////////////////
//
//      Last commit info:       $Author: $
//                              $Date: $
//                              $Revision: $
//
/////////////////////////////////////////////////////////////////////////

package eu.gemss.components.transport;

import java.io.Serializable;
import eu.gemss.components.transport.payload.Payload;

/**
 * InvocationOutput interface provides access to the output of an invocation
 */
public interface InvocationOutput extends Serializable {

    /**
     * Retrieves the payload that includes the output data items
     * @return output payload
     */
    public Payload getPayload();

    /**
     * Tests if the invocation was successful
     * @return true if successful, false otherwise
     */
    public boolean isCorrect();

    /**
     * Retrieves the report string for the invocation, this will include any
     * error messages if the invocation was unsuccessful
     * @return report string
     */
    public String getReportString();
}
