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DisambigFileOper.cpp
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DisambigFileOper.cpp
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/*
* DisambigFileOper.cpp
* mydisambiguation
*
*
*/
#include "DisambigFileOper.h"
#include "DisambigEngine.h"
//#include "sqlite3op.h"
#include "DisambigCluster.h"
#include <fstream>
#include <cstring>
const cRecord * retrieve_record_pointer_by_unique_id(const string & uid, const map <string, const cRecord*> & uid_tree) {
map <string, const cRecord *>::const_iterator cpm = uid_tree.find(uid);
if ( cpm == uid_tree.end())
throw cException_Attribute_Not_In_Tree(uid.c_str());
else
return cpm->second;
}
void create_btree_uid2record_pointer(map<string, const cRecord *> & uid_tree, const list<cRecord> & reclist, const string& uid_name ) {
uid_tree.clear();
const unsigned int uid_index = cRecord::get_index_by_name(uid_name);
cException_Vector_Data except(uid_name.c_str());
map <string, const cRecord *>::iterator pm;
for ( list<cRecord>::const_iterator p = reclist.begin(); p != reclist.end(); ++p ) {
const cAttribute * pattrib = p->get_attrib_pointer_by_index(uid_index);
//if ( pattrib->get_data().size() != 1 )
// throw except;
const string & label = * pattrib->get_data().at(0);
pm = uid_tree.find( label );
if ( pm != uid_tree.end())
throw cException_Duplicate_Attribute_In_Tree(label.c_str());
uid_tree.insert(std::pair< string, const cRecord *>(label, &(*p)));
}
}
#if 0
//================================================
const char cSql3query::nullchar;
bool dump_match ( const char * sqlite3_target, const char * tablename, const char * txt_source, const string & unique_record_name, const string & unique_inventor_name) {
sqlite3* pDB;
int sqlres;
std::cout << "Dumping " << txt_source << " to file << " << sqlite3_target << " >>, tablename << " << tablename << " >> ......" << std::endl;
sqlres = sqlite3_open_v2(sqlite3_target,&pDB,SQLITE_OPEN_READWRITE ,NULL);
if (SQLITE_OK != sqlres ) {
std::cout << "SQL DB open error." <<sqlres<< std::endl;
throw cException_SQLITE3();
}
std::ifstream::sync_with_stdio(false);
std::ifstream infile(txt_source);
const unsigned int primary_delim_size = strlen(cCluster_Info::primary_delim);
const unsigned int secondary_delim_size = strlen(cCluster_Info::secondary_delim);
map < string, string > update_dict;
map < string, string >::iterator pm;
if (infile.good()) {
string filedata;
register size_t pos, prev_pos;
while ( getline(infile, filedata)) {
pos = prev_pos = 0;
pos = filedata.find(cCluster_Info::primary_delim, prev_pos);
string valuestring = filedata.substr( prev_pos, pos - prev_pos);
prev_pos = pos + primary_delim_size;
pos = filedata.find(cCluster_Info::primary_delim, prev_pos);
prev_pos = pos + primary_delim_size;
while ( ( pos = filedata.find(cCluster_Info::secondary_delim, prev_pos) )!= string::npos){
string keystring = filedata.substr( prev_pos, pos - prev_pos);
pm = update_dict.find(keystring);
if ( pm != update_dict.end() )
throw cException_Duplicate_Attribute_In_Tree(keystring.c_str());
update_dict.insert(std::pair<string,string>(keystring, valuestring));
prev_pos = pos + secondary_delim_size;
}
}
std::cout << txt_source << " is ready to be dumped into "<< sqlite3_target << std::endl;
}
else {
throw cException_File_Not_Found(txt_source);
}
sqlite3_exec(pDB, "BEGIN TRANSACTION", NULL, NULL, NULL);
std::ifstream::sync_with_stdio(true);
const unsigned int buff_size = 512;
char buffer[buff_size];
sqlite3_stmt *statement;
sqlite3_exec(pDB, "PRAGMA synchronous = OFF", NULL, NULL, NULL);
sprintf(buffer, "CREATE INDEX IF NOT EXISTS index_%s_on_%s on %s(%s);", unique_record_name.c_str(), tablename, tablename, unique_record_name.c_str());
std::cout << "Creating index ......" << std::endl;
sqlite3_exec(pDB, buffer, NULL, NULL, NULL);
std::cout << "Index created." << std::endl;
sprintf(buffer, "UPDATE %s set %s = @VAL WHERE %s = @KEY;", tablename, unique_inventor_name.c_str(), unique_record_name.c_str());
sqlres = sqlite3_prepare_v2(pDB, buffer, -1, &statement, NULL);
if ( sqlres != SQLITE_OK )
throw cException_SQLITE3();
//char *zSQL;
const unsigned int base = 100000;
unsigned int count = 0;
for ( map<string, string>::const_iterator cpm = update_dict.begin(); cpm != update_dict.end(); ++cpm) {
sqlite3_bind_text(statement, 1, cpm->second.c_str(), -1, SQLITE_TRANSIENT);
sqlite3_bind_text(statement, 2, cpm->first.c_str(), -1, SQLITE_TRANSIENT);
sqlres = sqlite3_step(statement);
if ( sqlres != SQLITE_DONE )
throw cException_SQLITE3();
sqlite3_clear_bindings(statement);
sqlite3_reset(statement);
++count;
if ( count % base == 0 )
std::cout << count << " records has been updated. " << std::endl;
}
sqlite3_exec(pDB, "END TRANSACTION", NULL, NULL, NULL);
sqlite3_finalize(statement);
sqlite3_close(pDB);
std::cout << "Dumping complete. " << std::endl;
return true;
}
#endif
#if 0
//================================================================== OBSOLETE ======================
bool fetch_records_from_sqlite3(list <cRecord> & source, const char * sql_file, const char * statement, const map<string, asgdetail>& asgtree){
sqlite3 *pDB;
int sqlres;
sqlres = sqlite3_open_v2(sql_file,&pDB,SQLITE_OPEN_READONLY,NULL);
if (SQLITE_OK != sqlres ) {
std::cout << "SQL DB open error." <<sqlres<< std::endl;
return false;
}
sqlite3_exec (pDB, "PRAGMA synchronous = OFF", NULL, NULL, NULL);
register cSql3query query(pDB, statement);
//cDisambigRecord::column_names = query.column_name;
const unsigned int num_cols = query.column_name.size();
//const unsigned int num_cols = vec_attribs.size();
cRecord::column_names = query.column_name;
cAttribute ** pointer_array = new cAttribute *[num_cols];
for ( unsigned int i = 0; i < num_cols; ++i ) {
if ( cRecord::column_names[i] == cFirstname::class_name ) {
cFirstname::enable();
pointer_array[i] = new cFirstname();
cFirstname::column_index_in_query = i;
}
else if ( cRecord::column_names[i] == cLastname::class_name ) {
cLastname::enable();
pointer_array[i] = new cLastname();
cLastname::column_index_in_query = i;
}
else if ( cRecord::column_names[i] == cMiddlename::class_name ) {
cMiddlename::enable();
pointer_array[i] = new cMiddlename();
cMiddlename::column_index_in_query = i;
}
else if ( cRecord::column_names[i] == cLatitude::class_name ) {
cLatitude::enable();
pointer_array[i] = new cLatitude();
cLatitude::column_index_in_query = i;
}
else if ( cRecord::column_names[i] == cLongitude::class_name ) {
cLongitude::enable();
pointer_array[i] = new cLongitude();
cLongitude::column_index_in_query = i;
cLatitude::interactive_column_indice_in_query.push_back(i);
}
else if ( cRecord::column_names[i] == cStreet::class_name ) {
cStreet::enable();
pointer_array[i] = new cStreet();
cStreet::column_index_in_query = i;
cLatitude::interactive_column_indice_in_query.push_back(i);
}
else if ( cRecord::column_names[i] == cCountry::class_name ) {
cCountry::enable();
pointer_array[i] = new cCountry();
cCountry::column_index_in_query = i;
cLatitude::interactive_column_indice_in_query.push_back(i);
}
else if ( cRecord::column_names[i] == cClass::class_name ) {
cClass::enable();
pointer_array[i] = new cClass();
cClass::column_index_in_query = i;
}
else if ( cRecord::column_names[i] == cCoauthor::class_name ) {
cCoauthor::enable();
pointer_array[i] = new cCoauthor();
cCoauthor::column_index_in_query = i;
}
else if ( cRecord::column_names[i] == cAssignee::class_name ) {
cAssignee::enable();
pointer_array[i] = new cAssignee();
cAssignee::column_index_in_query = i;
cAssignee::set_assignee_tree_pointer (asgtree);
}
else if ( cRecord::column_names[i] == cAsgNum::class_name ) {
cAsgNum::enable();
pointer_array[i] = new cAsgNum();
cAsgNum::column_index_in_query = i;
cAssignee::interactive_column_indice_in_query.push_back(i);
}
else if ( cRecord::column_names[i] == cUnique_Record_ID::class_name ) {
cUnique_Record_ID::enable();
pointer_array[i] = new cUnique_Record_ID();
cUnique_Record_ID::column_index_in_query = i;
}
else {
delete [] pointer_array;
throw cException_ColumnName_Not_Found(cRecord::column_names[i].c_str());
}
}
cLatitude::static_check_interactive_consistency( cRecord::column_names ); // always do this for all the attribute classes.
vector <const char *> string_cache(num_cols);
unsigned long size = 0;
std::cout << "Reading " << sql_file << " ......"<< std::endl;
unsigned int base = 100000;
const cAttribute * pAttrib;
vector <const cAttribute *> temp_vec_attrib;
vector <const cAttribute *> Latitude_interactive_attribute_pointers;
while (SQLITE_DONE != query.next() ) {
temp_vec_attrib.clear();
for ( unsigned int i = 0; i < num_cols ; ++i ) {
string_cache[i] = (const char *) query.get_string_data(i);
if (string_cache[i] == NULL)
string_cache[i] = &cSql3query::nullchar;
pointer_array[i]->reset_data(string_cache[i]);
pAttrib = pointer_array[i]->clone(); //HERE CREATED NEW CLASS INSTANCES.
temp_vec_attrib.push_back(pAttrib);
}
//now do some reset correlation vector work
Latitude_interactive_attribute_pointers.clear();
for (vector <unsigned int>::const_iterator pp = cLatitude::interactive_column_indice_in_query.begin(); pp != cLatitude::interactive_column_indice_in_query.end(); ++pp )
Latitude_interactive_attribute_pointers.push_back(temp_vec_attrib.at(*pp));
cAttribute * changesomething = const_cast<cAttribute*> (temp_vec_attrib.at(cLatitude::column_index_in_query));
changesomething->reset_interactive( Latitude_interactive_attribute_pointers );
// end of correlation reset
cRecord temprec(temp_vec_attrib);
source.push_back(temprec);
++size;
if ( size % base == 0 )
std::cout << size << " records obtained." << std::endl;
}
std::cout << std::endl;
std::cout << size << " records have been fetched from sqlite3 file." << std::endl;
for ( unsigned int i = 0; i < num_cols; ++i )
delete pointer_array[i];
delete [] pointer_array;
return true;
}
#endif