NetworkDB &NetworkDB::Instance() {
if (ourInstance.isNull()) {
ZLFile dir(databaseDirName());
dir.directory(true);
ZLFile file(databaseDirName() + ZLibrary::FileNameDelimiter + DATABASE_NAME);
ourInstance = new NetworkDB(file.physicalFilePath());
ourInstance->initDatabase();
}
return *ourInstance;
}
BooksDB &BooksDB::Instance() {
AppLog("BooksDB::Instance");
if (ourInstance == 0) {
ZLFile dir(databaseDirName());
dir.directory(true);
ZLFile file(databaseDirName() + ZLibrary::FileNameDelimiter + DATABASE_NAME);
AppLog("new BooksDB %s",file.physicalFilePath().c_str());
ourInstance = new BooksDB(file.physicalFilePath());
AppLog("initDatabase");
ourInstance->initDatabase();
}
AppLog("Instance return *ourInstance");
return *ourInstance;
}
bool BooksDB::initDatabase() {
if (isInitialized()) {
return true;
}
if (!open()) {
return false;
}
myInitialized = true;
ZLFile stateFile(databaseDirName() + ZLibrary::FileNameDelimiter + STATE_DATABASE_NAME);
shared_ptr<DBCommand> cmd = SQLiteFactory::createCommand(BooksDBQuery::PREINIT_DATABASE, connection(), "@stateFile", DBValue::DBTEXT);
((DBTextValue&)*cmd->parameter("@stateFile").value()) = stateFile.physicalFilePath();
if (!cmd->execute()) {
myInitialized = false;
close();
return false;
}
shared_ptr<DBRunnable> runnable = new InitBooksDBRunnable(connection());
if (!executeAsTransaction(*runnable)) {
myInitialized = false;
close();
return false;
}
return true;
}
