001    /******************************************************************************
002     * Copyright (C) MActor Developers. All rights reserved.                        *
003     * ---------------------------------------------------------------------------*
004     * This file is part of MActor.                                               *
005     *                                                                            *
006     * MActor is free software; you can redistribute it and/or modify             *
007     * it under the terms of the GNU General Public License as published by       *
008     * the Free Software Foundation; either version 2 of the License, or          *
009     * (at your option) any later version.                                        *
010     *                                                                            *
011     * MActor is distributed in the hope that it will be useful,                  *
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
014     * GNU General Public License for more details.                               *
015     *                                                                            *
016     * You should have received a copy of the GNU General Public License          *
017     * along with MActor; if not, write to the Free Software                      *
018     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA *
019     ******************************************************************************/
020    package org.mactor.framework.extensioninterface;
021    
022    import java.util.List;
023    
024    import org.mactor.brokers.Message;
025    import org.mactor.framework.MactorException;
026    
027    /**
028     * The interface that must be implemented by message selector commands
029     * <p>
030     * From a testspec: &lt;message-selector name="MyMessageSelector" command="java:<i>class
031     * that implements the MessageSelectorCommand interface</i>"/&gt;
032     * </p>
033     * 
034     * @author Lars Ivar Almli
035     */
036    public interface MessageSelectorCommand {
037            /**
038             * This method is ivoked by the test runner before selector is passed to the
039             * message broker during subscribe
040             * 
041             * @param params
042             *            the list of parameteres specifed for the given node in the
043             *            test-spec xml (after the ##{...} substitution has been
044             *            performed)
045             * @throws MactorException
046             *             if some problem occured (this will cause the test to fail)
047             */
048            void setParams(List<String> params) throws MactorException;
049            /**
050             * The method invoked by the testrunner to build the messgte.
051             * 
052             * @param context
053             *            contains information about the context of the test that might
054             *            be useful (such as all messages sent/received so far in the
055             *            test)
056             * @return the built message
057             * @throws MactorException
058             *             if some problem occured (this exception is logged and
059             *             ignored)
060             */
061            boolean isAcceptableMessage(Message message) throws MactorException;
062    }