147 lines
4.3 KiB
C++
147 lines
4.3 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: cset.h /main/5 1996/06/11 17:24:03 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 Unpublished -- rights reserved under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 _cset_h
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#define _cset_h 1
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#include "utility/filter.h"
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#include "object/composite.h"
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#include "index/index.h"
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/***************************************
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* a set class.
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****************************************/
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class cset: public composite
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{
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protected:
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c_index_handlerPtr *indices;
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unsigned int num_indices;
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public:
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// indices[] array elements:
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// [0]: oid index;
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// [1]: whole object index;
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// [2]: component 1 index;
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// [3]: component 2 index;
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// ... ...
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// [n+1]: component n object index.
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cset( c_code_t c_id = SET_CODE );
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virtual ~cset();
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void init_data_member(c_index_handlerPtr* indices,
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int num_indices
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);
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MMDB_SIGNATURES(cset);
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/*
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// value comparison functions
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virtual Boolean value_EQ(root&, Boolean safe = true) const ;
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virtual Boolean value_LS(root&, Boolean safe = true) const ;
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*/
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// iteration over components
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// no delete to returned component if comp is zero when passed in.
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virtual handler* get_component(int index) ;
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// get a set of locs for element objects satisfying a 'query'
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// 'index' indicates the index to be used.
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virtual oid_list_handler* get_locs(handler& query, int index);
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virtual oid_t get_first_oid(const handler& query, int index);
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// get a pointer to an index
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virtual c_index_handler* get_index_ptr(int index);
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// insert/remove a component
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virtual Boolean insert_object(const handler&) ;
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virtual Boolean remove_component(const oid_t&) ;
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// update a component
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virtual Boolean update_index( handler* old_comp_obj,
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handler* new_comp_obj,
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int index,
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oid_t& main_obj_oid
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);
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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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void commit(); // for commit all components
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// init/quit batch index
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void batch_index_begin();
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void batch_index_end();
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// read in a set of object instances. Used with
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// batch_index_begin() and batch_index_end() to
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// load a mixed object stream
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io_status batch_asciiIn(istream& s);
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// object instance in/out function
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io_status asciiIn(istream& s) ;
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io_status asciiOut(ostream& s) ;
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};
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typedef cset* csetPtr;
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HANDLER_SIGNATURES(cset)
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#endif
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