1 /* 2 * Copyright (c) 1999-2000, Eric Moon. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions, and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 32 // IStateArchivable.h 33 // * PURPOSE 34 // Similar to BArchivable, but provides for archiving of 35 // a particular object's state, not the object itself. 36 // This mechanism doesn't instantiate objects. 37 // 38 // * HISTORY 39 // e.moon 27nov99 Begun 40 41 #ifndef __IStateArchivable_H__ 42 #define __IStateArchivable_H__ 43 44 #include "cortex_defs.h" 45 __BEGIN_CORTEX_NAMESPACE 46 47 class IStateArchivable { 48 public: 49 // empty virtual dtor 50 virtual ~IStateArchivable() {} 51 52 public: // *** INTERFACE 53 virtual status_t importState( 54 const BMessage* archive) =0; 55 56 virtual status_t exportState( 57 BMessage* archive) const =0; 58 }; 59 60 __END_CORTEX_NAMESPACE 61 #endif /*__IStateArchivable_H__*/ 62 63