287 lines
6.8 KiB
C++
287 lines
6.8 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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Last change: Nov. 2004, M. Spiekermann
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*/
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#include <string>
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#include <iostream>
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#include "SecondoSMI.h"
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#define CTABLE_PERSISTENT
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#include "CTable.h"
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/*
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Important Note: Currently the CTable is implemented as a temporary
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datastructure which uses main memory and Berkeley-DB records as disk
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memory. Functions for storing (and restoring) a CTable completley
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on disk are not implemented yet.
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*/
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SmiRecordFile* rf = 0;
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using namespace std;
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void Pause()
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{
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char buf[80];
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cout << "<<< Press return to continue >>>" << endl;
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cin.getline( buf, sizeof(buf) );
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}
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bool
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RecordBufferTest() {
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const int MaxPage=10;
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cout << "Tests for the Record Buffer" << endl;
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RecordBuffer rb(512, 200, 4, true);
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cout << "Show the buffer addresses for " << MaxPage << "pages " << endl;
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for (int i=0; i<MaxPage; i++) {
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bool change=false;
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void* ptr = rb.GetBufPtr(i, change);
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cout << i << ": " << (void*) ptr << "(" << change << "), " << endl;
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}
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cout << endl;
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cout << "Access pages 0 to " << MaxPage << endl;
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for (int i=0; i<MaxPage; i++) {
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bool change=false;
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void* ptr = rb.GetBufPtr(i, change);
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cout << i << ": " << (void*) ptr << "(" << change << "), " << endl;
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}
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cout << endl;
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return true;
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}
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bool
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PArrayTest() {
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cout << "Tests for the PArray template class!" << endl << endl;
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PagedArray<int> pa(1024, true);
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int max = 1000000;
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cout << "Storing numbers from 1 to " << max
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<< ", read back, and sum them up ... " << endl;
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for (int j = 0; j < max; j++) {
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int val = j+1;
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pa.Put(j, val);
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}
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double sum = 0.0;
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for (int k = 0; k < max; k++) {
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int val;
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pa.Get(k, val);
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sum += val;
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}
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cout << "Sum ("
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<< ((double) max)/((double) 2.0) * ((double) max+1)
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<< ") = " << sum << endl;
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return true;
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}
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bool
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PCTableTest() {
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cout << "Tests for the PCTable class!" << endl;
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bool test = true;
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cout << "true : " << test << endl;
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test = false;
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cout << "false : " << test << endl;
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CTable<bool> bt( 3 );
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bool b1;
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Cardinal index1=0, index2=0;
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index1 = bt.EmptySlot();
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b1 = false;
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bt.Put(index1, b1);
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index2 = bt.EmptySlot();
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b1 = true;
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bt.Put(index2, b1);
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cout << "bt[" << index1 << "] false : " << bt[index1] << endl;
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cout << "bt[" << index2 << "] true : " << bt[index2] << endl;
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CTable<int> ct( 5 );
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cout << "size = 5: " << ct.Size() << endl;
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int val = 1;
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index2 = ct.EmptySlot();
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ct.Put(index2, val);
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int intRef = ct[index2];
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cout << "intRef = 1: " << intRef << endl;
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intRef = 2;
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val = 40;
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index1 = ct.EmptySlot();
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ct.Put(index1, val);
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cout << "ct[2] = 1: " << ct[index2] << endl;
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cout << "size = 5: " << ct.Size() << endl;
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cout << "ct[4] = 40: " << ct[index1] << endl;
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cout << "1: " << ct.IsValid( 1 ) << endl;
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cout << "2: " << ct.IsValid( 2 ) << endl;
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ct.Add( *new int(10) );
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ct.Add( *new int(11) );
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ct.Add( *new int(12) );
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ct.Add( *new int(13) );
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ct.Add( *new int(14) );
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// show values
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cout << "values : (1,40,10,11,12,13,14,) --> (";
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for (int k = 1; k <= 7; k++) {
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cout << ct[k] << ",";
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}
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cout << ")" << endl;
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// show sizes
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cout << "size 7: " << ct.Size() << endl;
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cout << "NoEntries(): " << ct.NoEntries() << endl;
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cout << "Test ot iterators. Print 1st and 2nd element of the table" << endl;
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CTable<int>::Iterator it, it2;
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it2 = ct.Begin();
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it = it2++;
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const int i1 = *it;
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cout << "*it " << i1 << ", i= " << it.GetIndex() << endl;
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cout << "*it2 " << *it2 << ", i2=" << it2.GetIndex() << endl;
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cout << "Set first element to value 5 and remove the 5th element." << endl;
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ct.Get(it.GetIndex(), val);
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val = 5;
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ct.Put(it.GetIndex(), val);
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ct.Remove( 5 );
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cout << "Enumerate all used slots ..." << endl;
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for ( it = ct.Begin(); it != ct.End(); ++it )
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{
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cout << "it " << *it << ", i=" << it.GetIndex() << endl;
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}
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cout << "Test for end of scan! Result of it.EndOfScan() "
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<< "&& (++it).EndOfScan(): "
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<< (it.EndOfScan() && (++it).EndOfScan())
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<< endl;
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//cout << "Id of CTable: " << ct.Id() << endl;
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char inChar;
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cout << "Delete CTable from Disk when terminating (y/n)?";
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cin >> inChar;
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if ( inChar == 'y' || inChar == 'Y' ) {
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// ct.MarkDelete();
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}
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return true;
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}
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int
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main() {
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SmiError rc;
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bool ok;
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rc = SmiEnvironment::StartUp( SmiEnvironment::MultiUser,
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"SecondoConfig.ini", "", cerr,"" );
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cout << "StartUp rc=" << rc << endl;
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if ( rc == 1 )
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{
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string dbname;
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cout << "*** Start list of databases ***" << endl;
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SmiEnvironment::ListDatabases( dbname );
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cout << dbname << endl;
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cout << "*** End list of databases ***" << endl;
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ok = SmiEnvironment::OpenDatabase( "PARRAY" );
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if ( ok )
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{
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cout << "OpenDatabase PARRAY ok." << endl;
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}
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else
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{
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cout << "OpenDatabase PARRAY failed, try to create." << endl;
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ok = SmiEnvironment::CreateDatabase( "PARRAY" );
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if ( ok )
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cout << "CreateDatabase PARRAY ok." << endl;
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else
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cout << "CreateDatabase PARRAY failed." << endl;
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if ( SmiEnvironment::CloseDatabase() )
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cout << "CloseDatabase PARRAY ok." << endl;
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else
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cout << "CloseDatabase PARRAY failed." << endl;
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if ( (ok = SmiEnvironment::OpenDatabase( "PARRAY" )) )
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cout << "OpenDatabase PARRAY ok." << endl;
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else
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cout << "OpenDatabase PARRAY failed." << endl;
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}
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Pause();
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if ( ok )
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{
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//cout << "Begin Transaction: "
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// << SmiEnvironment::BeginTransaction() << endl;
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Pause();
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RecordBufferTest();
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Pause();
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PArrayTest();
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Pause();
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PCTableTest();
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//cout << "Commit: " << SmiEnvironment::CommitTransaction() << endl;
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cout << "*** Closing Database ***" << endl;
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if ( SmiEnvironment::CloseDatabase() )
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cout << "CloseDatabase ok." << endl;
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else
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cout << "CloseDatabase failed." << endl;
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Pause();
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}
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}
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rc = SmiEnvironment::ShutDown();
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cout << "ShutDown rc=" << rc << endl;
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return 0;
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}
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