128 lines
3.5 KiB
C++
128 lines
3.5 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* $XConsortium: composite.h /main/4 1996/06/11 17:23:39 cde-hal $
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*
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* Copyright (c) 1993 HAL Computer Systems International, Ltd.
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* All rights reserved. Unpublished -- rights reserved under
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* the Copyright Laws of the United States. USE OF A COPYRIGHT
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* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
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* OR DISCLOSURE.
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*
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* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
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* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
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* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
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* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
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* INTERNATIONAL, LTD.
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*
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* RESTRICTED RIGHTS LEGEND
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* Use, duplication, or disclosure by the Government is subject
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* to the restrictions as set forth in subparagraph (c)(l)(ii)
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* of the Rights in Technical Data and Computer Software clause
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* at DFARS 252.227-7013.
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*
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* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
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* 1315 Dell Avenue
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* Campbell, CA 95008
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*
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*/
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#ifndef _composite_h
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#define _composite_h 1
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#include "object/root.h"
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#include "storage/page_storage.h"
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#include "object/handler.h"
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/******************************************
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* composite object class
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*******************************************/
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class composite: public root
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{
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public:
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NEW_AND_DELETE_SIGNATURES(composite);
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composite(c_code_t c_id = COMPOSITE_CODE);
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composite(const composite& x);
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virtual ~composite() {};
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// iteration over components
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virtual int first() const;
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virtual handler* get_component(int) ;
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//virtual handler* get_component(oid_t&) ;
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virtual void next(int& index) const;
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// number of components
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virtual int count() const { return v_sz; };
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MMDB_SIGNATURES(composite);
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// insert a component
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virtual Boolean insert_component(const oid_t&) {
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return true; };
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// update a component
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virtual Boolean update_component(int, const oid_t&) {
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return true;
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};
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void set_mode(obj_mode_t, Boolean);
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Boolean test_io_mode(int mode);
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// compacted disk representation In and Out functions
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virtual int cdr_sizeof();
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virtual io_status cdrOut(buffer&);
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virtual io_status cdrIn(buffer&);
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Boolean swap_order() {
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return (storage_ptr) ? storage_ptr -> swap_order() : false;
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};
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protected:
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unsigned int v_sz; // number of components
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};
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typedef composite* compositePtr;
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class composite_handler : public handler
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{
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public:
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composite_handler() {};
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composite_handler(const oid_t&, storagePtr = 0);
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virtual ~composite_handler();
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composite* operator ->();
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handler* _get_component(int i);
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};
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#endif
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