public override void Open()
{
if (state == ConnectionState.Open)
{
throw new InvalidOperationException("The Connection is already Open (State=Open)");
}
if (connectionString == null || connectionString.Trim().Length == 0)
{
throw new InvalidOperationException("Connection string has not been initialized.");
}
connection = TdsConnectionPool.GetConnection(dataSource, port, deviceId, priority, timeout);
try
{
connection.Open();
}
catch (SocketException se)
{
throw new DbProxyException(se.Message, se);
}
disposed = false; // reset this, so using () would call Close ().
ChangeState(ConnectionState.Open);
}
internal static void PutConnection(ITdsConnection connection)
{
timer.Start();
LinkedList <ITdsConnection> connectionList;
int key = connection.GetHashCode();
contentLock.AcquireWriterLock(-1);
connectionList = contents[key];
contentLock.ReleaseWriterLock();
listLock.AcquireWriterLock(-1);
connectionList.AddFirst(connection);
listLock.ReleaseWriterLock();
}
public static void Clear()
{
Console.WriteLine("Pool clear start!");
timer.Stop();
contentLock.AcquireWriterLock(-1);
foreach (LinkedList <ITdsConnection> list in contents.Values)
{
while (list.Count != 0)
{
LinkedListNode <ITdsConnection> node = list.First;
ITdsConnection connection = node.Value;
list.RemoveFirst();
connection.Close();
}
}
contentLock.ReleaseWriterLock();
timer.Start();
Console.WriteLine("Pool clear end!");
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="connection">底层连接类</param>
internal PooledTdsConnection(ITdsConnection connection)
{
this.connection = connection;
isOpen = false;
}
