/// <summary> /// Closes the specified connection. /// </summary> /// <param name="connection">The connection.</param> public abstract void Close(RawConnection connection);
/// <summary>
/// Closes the specified connection.
/// </summary>
/// <param name="connection">The connection.</param>
public override void Close(RawConnection connection){
if(connection == null)
throw new ArgumentNullException("connection");
connection.Dispose();
}
/// <summary>
/// Returns the connection.
/// </summary>
/// <param name = "connection">The connection.</param>
public override void Close(RawConnection connection)
{
if(connection == null)
throw new ArgumentNullException("connection");
if(!IsAlive(connection))
{
lock(_syncObject)
{
_usedConnections.Remove(connection);
_invalidConnections.Add(connection);
}
return;
}
lock(_syncObject)
{
_usedConnections.Remove(connection);
_freeConnections.Enqueue(connection);
Monitor.Pulse(_syncObject);
}
}
/// <summary>
/// Determines whether the specified connection is alive.
/// </summary>
/// <param name="connection">The connection.</param>
/// <returns>
/// <c>true</c> if the specified connection is alive; otherwise, <c>false</c>.
/// </returns>
private bool IsAlive(RawConnection connection)
{
if(connection == null)
throw new ArgumentNullException("connection");
if(Builder.ConnectionLifetime!=TimeSpan.Zero)
if(connection.CreationTime.Add(Builder.ConnectionLifetime) < DateTime.Now)
return false;
if(!connection.IsConnected)
return false;
return !connection.IsInvalid;
}
/// <summary>
/// Replaces the invalid connection.
/// </summary>
private void ReplaceInvalidConnection()
{
if (_connection == null)
return;
_connection.MarkAsInvalid();
_factory.Close(_connection);
_connection = _factory.Open();
}
/// <summary>
/// Closes this instance.
/// </summary>
public void Close()
{
if (_connection == null)
return;
_factory.Close(_connection);
_connection = null;
}
/// <summary>
/// Opens this instance.
/// </summary>
public void Open()
{
_connection = _factory.Open();
}