public DapperUnitOfWork(IConnectionStringResolver connectionStringResolver, IDbConnectionResolver dbConnectionResolver, IDapperTransactionStrategy transactionStrategy)
{
_connectionStringResolver = connectionStringResolver;
_dbConnectionResolver = dbConnectionResolver;
_transactionStrategy = transactionStrategy;
_activeConnectionInfo = new Dictionary <string, IDbConnection>();
}
private void Initialize(IDbConnectionResolver resolver)
{
try
{
_resolver = resolver;
_providerFactory = DbProviderFactories.GetFactory(resolver.ProviderName);
_connection = _providerFactory.CreateConnection();
_connection.ConnectionString = resolver.ConnectionString;
}
catch
{
throw new DbTransactionException("Failed to initialize DbTransactionManager.");
}
}
public virtual IDbConnection CreateDbConnection(string connectionString, IDbConnectionResolver connectionResolver, string connectionProviderName)
{
IDbConnection dbConnection = null;
var activeTransaction = this.GetActiveTransactionInfo(connectionString);
if (activeTransaction == null)
{
dbConnection = connectionResolver.Resolve(connectionString, this.Options, connectionProviderName);
var dbTransaction = dbConnection.BeginTransaction(
(Options.IsolationLevel ?? System.Transactions.IsolationLevel.ReadUncommitted).ToSystemDataIsolationLevel()
);
activeTransaction = new ActiveTransactionInfo(dbTransaction, dbConnection);
ActiveTransactions[connectionString] = activeTransaction;
}
return(dbConnection);
}
/// <summary>
/// Initializes a new instance of DbTransactionManager with an external IDatabaseResolver instance.
/// </summary>
public DbTransactionManager(IDbConnectionResolver resolver)
{
this.Initialize(resolver);
}
