001    /*
002     * Copyright (C) 2012 eXo Platform SAS.
003     *
004     * This is free software; you can redistribute it and/or modify it
005     * under the terms of the GNU Lesser General Public License as
006     * published by the Free Software Foundation; either version 2.1 of
007     * the License, or (at your option) any later version.
008     *
009     * This software is distributed in the hope that it will be useful,
010     * but WITHOUT ANY WARRANTY; without even the implied warranty of
011     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012     * Lesser General Public License for more details.
013     *
014     * You should have received a copy of the GNU Lesser General Public
015     * License along with this software; if not, write to the Free
016     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018     */
019    package org.crsh.command;
020    
021    import org.crsh.io.Filter;
022    import org.crsh.shell.InteractionContext;
023    
024    /**
025     * A command invoker is a filter for an {@link InteractionContext} consumer.
026     *
027     * @param <C> the consumed element generic type
028     * @param <P> the produced element generic type
029     */
030    public interface CommandInvoker<C, P> extends Filter<C, P, InteractionContext<P>> {
031    
032      /**
033       * Associate the command invoker with a session, the association should be done before
034       * the command is invoked.
035       *
036       * @param session the session
037       */
038      void setSession(CommandContext session);
039    
040    }