// ------------------------------- //
// -------- Start of File -------- //
// ------------------------------- //
// ----------------------------------------------------------- //
// C++ Source Code File Name: testprog.cpp
// Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC
// Produced By: glNET Software
// File Creation Date: 09/18/1997
// Date Last Modified: 05/25/2001
// Copyright (c) 2001 glNET Software
// ----------------------------------------------------------- //
// ------------- Program Description and Details ------------- //
// ----------------------------------------------------------- //
/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it 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 this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
This is a test program for the POD class.
*/
// ----------------------------------------------------------- //
#include <iostream.h>
#include "pod.h"
#include "gxbtree.h"
#include "gxdstats.h"
const int NAME_LENGTH = 64;
const BtreeNodeOrder_t NODE_ORDER = 7;
struct DatabaseKey
{
char object_name[NAME_LENGTH];
FAU object_id;
};
class DatabaseObject : public DatabaseKeyB
{
public:
DatabaseObject();
DatabaseObject(const char *name, FAU oid);
public: // Base class interface
size_t KeySize() { return sizeof(primary_key); }
int operator==(const DatabaseKeyB& key) const;
int operator>(const DatabaseKeyB& key) const;
public:
DatabaseKey primary_key;
};
DatabaseObject::DatabaseObject() : DatabaseKeyB((char *)&primary_key)
{
for(int i = 0; i < NAME_LENGTH; i++)
primary_key.object_name[i] = 0;
primary_key.object_id = (FAU)0;
}
DatabaseObject::DatabaseObject(const char *name, FAU oid) :
DatabaseKeyB((char *)&primary_key)
{
strncpy(primary_key.object_name, name, NAME_LENGTH);
primary_key.object_name[NAME_LENGTH-1] = 0; // Ensure null termination
primary_key.object_id = oid;
}
int DatabaseObject::operator==(const DatabaseKeyB& key) const
{
const DatabaseObject *kptr = (const DatabaseObject *)(&key);
int rv = strcmp(primary_key.object_name, kptr->primary_key.object_name);
return ((rv == 0) && (primary_key.object_id == kptr->primary_key.object_id));
}
int DatabaseObject::operator>(const DatabaseKeyB& key) const
{
const DatabaseObject *kptr = (const DatabaseObject *)(&key);
int rv = strcmp(primary_key.object_name, kptr->primary_key.object_name);
return ((rv > 0) && (primary_key.object_id > kptr->primary_key.object_id));
}
void PausePrg()
{
cout << endl;
cout << "Press enter to continue..." << endl;
cin.get();
}
int main()
{
const char *data_file1 = "testfile.gxd";
const char *index_file1 = "testfile.btx";
DatabaseObject key_type;
// Open the POD database using a single index file and check for any errors
POD pod;
cout << "Opening a POD database using a single index file" << endl;
gxDatabaseError err = pod.Open(data_file1, index_file1, key_type,
NODE_ORDER);
if(CheckError(err) != 0) return 1; // See the src/gxdstats.cpp file
// Multiple index file test using the same key type and node order
const unsigned num_indexes = 5;
unsigned index_number;
// Construct and initialize an index file name array
char *index_file2[POD_MAX_INDEX] = {
"idx0.btx", "idx1.btx", "idx2.btx", "idx3.btx", "idx4.btx"
};
const char *data_file2 = "testdat2.gxd";
cout << "Opening a database using multiple index files with the \
same key type" << endl;
err = pod.Open(data_file2, index_file2, num_indexes, key_type, NODE_ORDER);
if(CheckError(err) != 0) return 1;
// Multiple index file test using varying node orders.
// NOTE: In this example varying node orders were used in place of
// multiple key types because only one key class is defined.
cout << "Opening a database using multiple index files with varying \
node order" << endl;
const char *index_file3[num_indexes] = {
"idx5.btx", "idx6.btx", "idx7.btx", "idx8.btx", "idx9.btx"
};
const char *data_file3 = "testdat3.gxd";
PODIndexFile *openindexfile = new PODIndexFile(num_indexes);
for(index_number = 0; index_number < num_indexes; index_number++) {
err = openindexfile->Open(index_file3[index_number], index_number,
key_type, NODE_ORDER+index_number);
if(CheckError(err) != 0) return 1;
}
err = pod.Open(data_file3, openindexfile);
if(CheckError(err) != 0) return 1;
cout << endl;
// NOTE: The POD destructor will automatically delete the dynamically
// allocated PODIndexFile file object.
return 0;
}
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