143 lines
4.2 KiB
C++
143 lines
4.2 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: index.h /main/7 1996/08/21 15:52:20 drk $
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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 Unpublished -- rights reserved under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 _index_h
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#define _index_h 1
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#ifdef C_API
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#include "utility/c_stringstream.h"
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#else
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#include <sstream>
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#endif
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#include "object/oid_list.h"
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#include "index/inv_lists.h"
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class c_index : public composite
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{
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public:
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c_index(c_code_t = INDEX_CODE);
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virtual ~c_index() {} ;
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void init_persistent_info(persistent_info* x);
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void set_selector(int cmp) { v_cmp_selector = cmp; };
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// iteration functions
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virtual oid_list_handler* operator()(int index);
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virtual oid_t first_of_invlist(int ind) ;
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virtual oid_t first_of_invlist(const handler&);
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// insert index functions
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virtual Boolean batch_index_begin() { return true; };
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virtual Boolean batch_index_end() { return true; };
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virtual Boolean insert_key_loc(const handler&, const oid_t&) = 0;
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virtual Boolean insert_key_loc(const oid_t&, const oid_t&) = 0;
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virtual Boolean load(const char*) { return true; };
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// remove index functions
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virtual Boolean remove_loc(handler&, const oid_t&) = 0;
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virtual Boolean remove_loc(const oid_t&, const oid_t&) = 0;
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// update index function
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virtual Boolean update_streampos(handler& old_obj,
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handler& new_obj,
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mmdb_pos_t pos
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) = 0;
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// retreval functions
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virtual oid_list_handler* get_loc_list(const oid_t&)=0;
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virtual oid_list_handler* get_loc_list(const handler&)=0;
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virtual int invlist_length(handler&) = 0;
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// translate a query to an index of an inv_list
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virtual size_t handler_to_inv_idx(const handler& query) = 0;
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// status inquiry functions
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int bound_to() const { return v_cmp_selector; } ;
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virtual Boolean sorted() const = 0;
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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();
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// i/o function
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friend ostream& operator <<(ostream& s, c_index& t) ;
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#ifdef C_API
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friend void initialize_MMDB();
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friend void quit_MMDB();
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#endif
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protected:
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Boolean get_key_string(const handler&) const;
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Boolean get_key_string(const oid_t&) const;
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protected:
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#ifdef C_API
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static key_type* v_static_key_ptr;
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#else
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static key_type v_static_key;
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#endif
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int v_cmp_selector;
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inv_lists_handler *v_inv_lists_hd;
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};
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typedef c_index* indexPtr;
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HANDLER_SIGNATURES(c_index)
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#endif
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