private void Init(IsolationLevel il)
{
_il = il;
_dbDatabaseProvider = DatabaseProviderFactory.CreateDatabaseProvider(_dbType);
//开始缓存数据结构,并初始化dbset
_typeDescriptors = TypeDescriptors.GetTypeDescriptors(this);
//初始化数据链接
InitDb();
//初始化数据库结构
InternalAdoSession.BeginTransaction(_il);
}
public DbContext(string connStr, IDatabaseProvider databaseProvider, IsolationLevel il = IsolationLevel.ReadCommitted)
{
_il = il;
_dbConnectionStr = connStr;
var newDatabase = DatabaseProviderFactory.CreateDatabaseProvider("", databaseProvider);
_dbDatabaseProvider = newDatabase;
_dbType = newDatabase.DatabaseType;
//开始缓存数据结构,并初始化dbset
_typeDescriptors = TypeDescriptors.GetTypeDescriptors(this);
//初始化数据链接
InitDb();
//初始化数据库结构
InternalAdoSession.BeginTransaction(_il);
}
private void Init(string ConnectionStr, string ProviderName, IsolationLevel il)
{
_il = il;
Checks.NotNull(ConnectionStr, "ConnectionStr");
Checks.NotNull(ProviderName, "ProviderName");
//开始初始化
_dbConfig = new DbConfig();
_dbConfig.ConnectionStr = ConnectionStr;
_dbConfig.ProviderName = ProviderName;
//开始缓存数据结构,并初始化dbset
_typeDescriptors = TypeDescriptors.GetTypeDescriptors(this);
this._dbContextServiceProvider = DbContextServiceProviderFactory.CreateDbConnection(_dbConfig);
//初始化数据链接
InitDb();
//初始化数据库结构
InternalAdoSession.BeginTransaction(_il);
}
