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package org.gvsig.fmap.dal.feature;

/**

 * This interface represents a notification used by 

 * the commands record to indicate an action over a command.

 *

 */

public interface CommandNotification {

        /** The command has been added to the command record */

        public static final String ADD = "add_Command";

        /** The command has been undone */

        public static final String UNDO = "undo_Command";

        /** The command has been redone */ 

        public static final String REDO = "redo_Command";

        /**

         * Returns the Command over which the action is executed

         * @return Command over which the action is executed

         */

        public Command getCommand();

        /**

         * Returns this notification's type. One of the constants defined in this interface.

         *

         * @return a String containing this notification's type.

         */

        public String getType();

}