80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/*
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* $XConsortium: dyn_index.h /main/5 1996/07/18 14:35:04 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 Unpublished -- rights reserved under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 _dyn_index_h
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#define _dyn_index_h 1
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#include "index/index.h"
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#include "dstr/index_agent.h"
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#include "index/inv_lists.h"
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class dyn_index : public c_index
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{
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public:
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dyn_index(c_code_t = DYN_INDEX_CODE);
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virtual ~dyn_index();
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// insert index functions
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virtual Boolean insert_key_loc(const handler&, const oid_t&) ;
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virtual Boolean insert_key_loc(const oid_t&, const oid_t&) ;
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// remove index functions
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virtual Boolean remove_loc(handler&, const oid_t&) ;
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virtual Boolean remove_loc(const oid_t&, const oid_t&);
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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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) ;
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// retrieval functions
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virtual oid_list_handler* get_loc_list(const oid_t&);
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virtual oid_list_handler* get_loc_list(const handler&);
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virtual int invlist_length(handler&) ;
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// status inquiry functions
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virtual Boolean sorted() const { return false; };
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// io function
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virtual io_status asciiOut(ostream&);
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protected:
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Boolean _insert_loc(data_t& intKey, const oid_t& id);
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Boolean _remove_loc(data_t& intKey, const oid_t& id);
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data_t* hd_to_key(const handler& t);
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protected:
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index_agent *v_idx_agent_ptr; // index agent (e.g. btree, hash) func
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};
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#endif
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