private IDbConnection CreateConnection(string connectionName)
{
var connString = EnableMasterSlave ? ConnectionConfigureManager.GetConnectionString(connectionName, ReadOnly) : Configuration.GetConnectionString(connectionName);
if (string.IsNullOrWhiteSpace(connString))
{
throw new ArgumentNullException(nameof(connString), "The config of " + connectionName + " cannot be null.");
}
var conn = new TDbConnection();
if (conn == null)
{
throw new ArgumentNullException(nameof(IDbConnection), "Failed to create database connection.");
}
conn.ConnectionString = connString;
conn.Open();
return(DbMiniProfiler == null ? conn : DbMiniProfiler.CreateConnection(conn));
}
protected BaseDapper(IServiceProvider serviceProvider, string connectionName = "DefaultConnection", bool enableMasterSlave = false, bool readOnly = false)
{
if (!enableMasterSlave && readOnly)
{
throw new InvalidOperationException($"The connection with the name '{connectionName}' does not enable the master-slave");
}
EnableMasterSlave = enableMasterSlave;
ReadOnly = readOnly;
Configuration = serviceProvider.GetRequiredService <IConfiguration>();
Cache = serviceProvider.GetService <ICacheProvider>();
CacheConfiguration = serviceProvider.GetService <CacheConfiguration>();
CacheKeyBuilder = serviceProvider.GetService <ICacheKeyBuilder>();
DbMiniProfiler = serviceProvider.GetService <IDbMiniProfiler>();
SQLManager = serviceProvider.GetService <ISQLManager>();
Conn = new Lazy <IDbConnection>(() => CreateConnection(connectionName));
if (EnableMasterSlave)
{
ConnectionConfigureManager = serviceProvider.GetRequiredService <ConnectionConfigureManager>();
}
}
