private static void Enqueue <T>(T obj)
{
if (!_Updating)
{
OnAbort();
return;
}
IDictionary <string, SimpleType> data = null;
LegendState state = ObjectStates.FirstOrDefault(s => s.Compile(obj, out data));
if (state != null && data != null && data.Count > 0)
{
ExportQueue.GetOrAdd(state.TableName, new ConcurrentStack <QueuedData>()).Push(
new QueuedData
{
RawData = data,
SqlData = data.Select(kd => new MySQLData(kd.Key, SQL.Encode(kd.Value, true))).ToArray()
});
}
}
public virtual bool CanConnect()
{
return(!IsDisposed && MySQL.CanConnect(this));
}
/// <summary>
/// Attempts to connect to the specified MySQL Server with the given settings.
/// </summary>
/// <param name="retries">Retry connection attempts this many times if the initial connection fails.</param>
/// <param name="createDB">If a database name is specified, should it try to create it if it doesn't exist?</param>
/// <returns>True if connection successful</returns>
public bool Connect(int retries = 0, bool createDB = false)
{
if (IsDisposed)
{
return(false);
}
if (Connected)
{
return(true);
}
if (Connecting)
{
return(false);
}
if (!CanConnect())
{
return(false);
}
var conStr = Credentials.GetConnectionString();
//MySQL.CSOptions.ToConsole("{0}", conStr);
var connected = VitaNexCore.TryCatchGet(
() =>
{
if (Instance == null)
{
MySQL.CSOptions.ToConsole("Connection Attempt.");
Instance = new OdbcConnection(conStr);
Instance.InfoMessage += OnMessage;
Instance.Open();
VitaNexCore.WaitWhile(() => Instance.State == ConnectionState.Connecting, TimeSpan.FromSeconds(3));
if (Instance.State == ConnectionState.Broken)
{
Instance.Close();
}
if (Instance.State == ConnectionState.Open)
{
MySQL.CSOptions.ToConsole("Connection Successful.");
MySQL.Connected(this);
if (!String.IsNullOrWhiteSpace(Credentials.Database))
{
if (createDB)
{
NonQuery(
@"CREATE DATABASE IF NOT EXISTS `{0}` DEFAULT CHARSET `utf8` DEFAULT COLLATE `utf8_bin`",
Credentials.Database);
}
Instance.ChangeDatabase(Credentials.Database);
}
return(true);
}
}
if (Instance == null)
{
return(false);
}
if (Instance.State != ConnectionState.Open)
{
Instance.Close();
for (var i = 1; i <= retries; i++)
{
MySQL.CSOptions.ToConsole("Connection Attempt {0}.", i);
Instance.Open();
VitaNexCore.WaitWhile(() => Instance.State == ConnectionState.Connecting, TimeSpan.FromSeconds(3));
if (Instance.State != ConnectionState.Open)
{
Instance.Close();
continue;
}
MySQL.CSOptions.ToConsole("Connection Successful.");
OnConnected();
if (!String.IsNullOrWhiteSpace(Credentials.Database))
{
if (createDB)
{
NonQuery(
@"CREATE DATABASE IF NOT EXISTS `{0}` DEFAULT CHARSET `utf8` DEFAULT COLLATE `utf8_bin` DEFAULT ENGINE `INNODB`",
Credentials.Database);
}
Instance.ChangeDatabase(Credentials.Database);
}
return(true);
}
}
if (Instance.State != ConnectionState.Open)
{
Instance.Close();
}
return(false);
},
MySQL.CSOptions.ToConsole);
if (!connected)
{
MySQL.CSOptions.ToConsole("Connection Failed.");
Close();
}
return(connected);
}
protected virtual void OnConnected()
{
MySQL.Connected(this);
}
private static void AppendWhere(StringBuilder query, params MySQLCondition[] conditions)
{
if (query == null || query.Length == 0 || conditions == null || conditions.Length == 0)
{
return;
}
query.Append(" WHERE ");
for (int x = 0; x < conditions.Length; x++)
{
if (x > 0)
{
query.AppendFormat(" {0} ", conditions[x].QueryJoin);
}
query.AppendFormat(
"`{0}` {1} '{2}'", conditions[x].Key, conditions[x].GetOperation(), MySQL.Escape(conditions[x].ValueString));
}
}
