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cdesktopenv/cde/lib/DtMmdb/object/cset.C

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/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* $XConsortium: cset.cc /main/5 1996/06/11 17:23:58 cde-hal $
*
* Copyright (c) 1992 HAL Computer Systems International, Ltd.
* All rights reserved. Unpublished -- rights reserved under
* the Copyright Laws of the United States. USE OF A COPYRIGHT
* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
* OR DISCLOSURE.
*
* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
* INTERNATIONAL, LTD.
*
* RESTRICTED RIGHTS LEGEND
* Use, duplication, or disclosure by the Government is subject
* to the restrictions as set forth in subparagraph (c)(l)(ii)
* of the Rights in Technical Data and Computer Software clause
* at DFARS 252.227-7013.
*
* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
* 1315 Dell Avenue
* Campbell, CA 95008
*
*/
#include "object/cset.h"
#include "utility/xtime.h"
cset::cset(c_code_t c_cd): composite(c_cd)
{
num_indices = 0;
indices = 0;
set_mode(SWAP_ALLOWED, false);
}
void cset::init_data_member(c_index_handlerPtr* index_arrray,
int iptrs
)
{
indices = index_arrray;
num_indices = iptrs;
set_mode(HEALTH, true);
#ifdef MEMORY_MAPPED
set_mode(UPDATE, true);
#endif
}
cset::~cset()
{
/*
MESSAGE(cerr, "~cset() called.");
debug(cerr, my_oid());
debug(cerr, num_indices);
debug(cerr, int(this));
MESSAGE(cerr, "~cset() called.");
debug(cerr, num_indices);
*/
delete indices;
}
handler* cset::get_component(int index)
{
if ( indices[0] == 0 )
return 0;
oid_t id_ptr = (*indices[0]) -> first_of_invlist(index);
handler* y = new handler(id_ptr, storage_ptr);
return y;
}
oid_list_handler* cset::get_locs(handler& query, int index)
{
if ( !INRANGE(index, 0, (int) num_indices-1) ) {
MESSAGE(cerr, "cset::get_locs(): invalid index");
throw(boundaryException(0, num_indices-1, index));
}
if ( indices[index] == 0 ) {
MESSAGE(cerr, "cset::get_locs(): invalid index");
throw(stringException("NULL index ptr"));
}
return (*indices[index]) -> get_loc_list(query);
}
oid_t cset::get_first_oid(const handler& query, int index)
{
if ( !INRANGE(index, 0, (int) num_indices-1) ) {
MESSAGE(cerr, "cset::get_first_oid(): invalid index");
throw(boundaryException(0, num_indices-1, index));
}
if ( indices[index] == 0 ) {
MESSAGE(cerr, "cset::get_first_oid(): invalid index");
throw(stringException("NULL index ptr"));
}
return (*indices[index]) -> first_of_invlist(query);
}
c_index_handler* cset::get_index_ptr(int index)
{
if ( !INRANGE(index, 0, (int) num_indices-1) ) {
MESSAGE(cerr, "cset::get_index_ptr(): invalid index");
throw(boundaryException(0, num_indices-1, index));
}
return indices[index];
}
void cset::batch_index_begin()
{
for ( unsigned int i=0; i<num_indices; i++ ) {
if ( indices[i] != 0 ) {
(*indices[i]) -> batch_index_begin();
}
}
}
void cset::batch_index_end()
{
for ( unsigned int i=0; i<num_indices; i++ ) {
if ( indices[i] != 0 ) {
(*indices[i]) -> batch_index_end();
}
}
}
io_status cset::asciiIn(istream& in)
{
batch_index_begin();
io_status ok = batch_asciiIn(in);
batch_index_end();
return ok;
}
io_status cset::batch_asciiIn(istream& in)
{
handler* root_hd_ptr = 0;
/*
#ifdef DEBUG
xtime tmr;
float f1;
long f2;
tmr.start();
#endif
*/
char ccode_buf[LBUFSIZ];
int c;
//fprintf(stderr, "batch_asciiIn() : start looping \n");
while ( (c = in.get()) != EOF ) {
in.putback(c);
in.getline(ccode_buf, LBUFSIZ);
//fprintf(stderr, "ccode_buf=%s\n", ccode_buf);
char* x = strrchr(ccode_buf, 'L');
if ( x ) *x = 0;
int ccode;
sscanf(ccode_buf, "%u", &ccode);
//in >> ccode ;
//fprintf(stderr, "ccode=%d\n", ccode);
root_hd_ptr = new handler(ccode, storage_ptr);
if ( filter::assigned() == false )
(*root_hd_ptr) -> asciiIn(in);
else
(*root_hd_ptr) -> asciiIn(filter::filter_func()(in));
root_hd_ptr->commit();
insert_object(*root_hd_ptr);
/*
#ifdef DEBUG
if ( v_sz % 1000 == 0 && v_sz != 0 ) {
tmr.stop(f1, f2);
debug(cerr, f1);
debug(cerr, f2);
debug(cerr, v_sz);
tmr.start();
}
#endif
*/
//(*root_hd_ptr)-> asciiOut(cerr);
/*
(root_hd_ptr -> its_oid()).asciiOut(cerr);
storage_ptr -> asciiOut(cerr);
MESSAGE(cerr, "\n========");
*/
delete root_hd_ptr;
}
return done;
}
io_status cset::asciiOut(ostream&)
{
return done;
}
Boolean
cset::insert_object(const handler& new_object)
{
/*
MESSAGE(cerr, "in insert_object()");
new_object.its_oid().asciiOut(cerr); cerr << "\n";
*/
if ( indices[0] != 0 ) {
#ifdef A16_BROWSER
handler* zz = (handler*)&new_object;
(*indices[0]) -> insert_key_loc(new_object, zz -> its_oid());
#else
(*indices[0]) -> insert_key_loc(new_object, new_object.its_oid());
#endif
}
for ( unsigned int i = 1; i < num_indices; i++ ) {
if ( indices[i] == 0 )
continue;
handler* y = (*(composite_handler*)&new_object)
-> get_component(i);
if ( y == 0 ) continue;
#ifdef A16_BROWSER
handler* ww = (handler*)&new_object;
(*indices[i]) -> insert_key_loc(*y, ww -> its_oid());
#else
(*indices[i]) -> insert_key_loc(*y, new_object.its_oid());
#endif
if ( !(y -> its_oid() == new_object.its_oid()) )
delete y;
}
v_sz++;
set_mode(UPDATE, true);
return true;
}
Boolean cset::remove_component(const oid_t& x_oid)
{
handler* x = new handler(x_oid, storage_ptr);
for ( unsigned int i = 1; i < num_indices; i++ ) {
if ( indices[i] == 0 )
continue;
handler* y = (*(composite_handler*)x) -> get_component(i);
(*indices[i]) -> remove_loc(*y, x_oid);
y -> destroy();
delete y;
}
x -> destroy();
delete x;
v_sz--;
set_mode(UPDATE, true);
return true;
}
// update old component object 'old_comp_obj' to new
// component object 'new_comp_obj'.
// variable 'index' holds the index of the index object
// effected. 'obj_pos' is the id of the
// main object, of which old_comp_obj is a part.
Boolean
cset::update_index(handler* old_comp_obj, handler* new_comp_obj,
int index,
oid_t& main_obj_oid)
{
if ( !INRANGE(index, 1, (int) num_indices-1) ) {
throw(boundaryException(1, num_indices-1, index));
}
if ( indices[index] ) {
return (*indices[index]) -> update_streampos
(
*old_comp_obj,
*new_comp_obj,
main_obj_oid.icode()
);
} else
return true;
}
int cset::cdr_sizeof()
{
return composite::cdr_sizeof() + sizeof(num_indices);
}
io_status cset::cdrOut(buffer& buf)
{
composite::cdrOut(buf);
buf.put(num_indices);
return done;
}
io_status cset::cdrIn(buffer& buf)
{
composite::cdrIn(buf);
buf.get(num_indices);
return done;
}
void cset::commit()
{
for ( unsigned int i = 1; i < num_indices; i++ ) {
if ( indices[i] )
indices[i] -> commit();
}
}
MMDB_BODIES(cset)
HANDLER_BODIES(cset)
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