69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#include "database_manager.h"
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void DatabaseManager::load() {
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//go thourgh settings, and create all the defined db backends
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}
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uint32_t DatabaseManager::create_database(const String &name) {
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Database *db = _create_database(name);
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if (!db) {
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RLOG_MSG("(DatabaseManager) create_database: " + name + ", returned db is null!");
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return -1;
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}
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RLOG_MSG("(DatabaseManager) Database " + name + " successfully created!");
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databases.push_back(db);
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if (ddb == nullptr) {
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RLOG_MSG("(DatabaseManager) Database " + name + " has been set as the default database!");
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ddb = db;
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}
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return databases.size() - 1;
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}
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DatabaseManager *DatabaseManager::get_singleton() {
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return _instance;
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}
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void DatabaseManager::_register_db_creation_func(const String &name, std::function<Database *()> func) {
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ERR_FAIL_COND_MSG(!func, "_register_db_creation_func: " + name + ", func is wrong!");
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_db_creation_func_map[name] = func;
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}
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void DatabaseManager::_unregister_db_creation_func(const String &name) {
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_db_creation_func_map.erase(name);
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}
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Database *DatabaseManager::_create_database(const String &name) {
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std::function<Database *()> func = _db_creation_func_map[name];
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ERR_FAIL_COND_V_MSG(!func, nullptr, "_create_database: " + name + ", func is wrong!");
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Database *db = func();
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ERR_FAIL_COND_V_MSG(!db, nullptr, "_create_database: " + name + ", returned db is null!");
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return db;
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}
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DatabaseManager::DatabaseManager() {
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_instance = this;
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ddb = nullptr;
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}
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DatabaseManager::~DatabaseManager() {
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_instance = nullptr;
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for (uint32_t i = 0; i < databases.size(); ++i) {
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delete databases[i];
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}
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}
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DatabaseManager *DatabaseManager::_instance = nullptr;
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std::map<String, std::function<Database *()> > DatabaseManager::_db_creation_func_map; |