protected override void Dispose(bool disposing)
{
if (!m_disposed)
{
try
{
if (disposing)
{
if ((object)m_connection != null)
{
m_connection.Disconnected -= m_connection_Disconnected;
m_connection.Dispose();
m_connection = null;
}
m_dataPipe?.Dispose();
if ((object)m_eventTimer != null)
{
m_eventTimer.Elapsed -= m_eventTimer_Elapsed;
m_eventTimer.Dispose();
}
}
}
finally
{
m_disposed = true; // Prevent duplicate dispose.
base.Dispose(disposing); // Call base class Dispose().
}
}
}
/// <summary>
/// Disconnects from the configured PI server if a connection is open
/// </summary>
protected override void AttemptDisconnection()
{
if ((object)m_connection != null)
{
m_connection.Dispose();
m_connection = null;
}
}
/// <summary>
/// Returns <see cref="PIConnection"/> to the pool.
/// </summary>
/// <param name="connection"><see cref="PIConnection"/> to return to the pool.</param>
/// <exception cref="InvalidOperationException">Provided PIConnection does not belong to this connection pool.</exception>
public void ReturnPooledConnection(PIConnection connection)
{
if ((object)connection == null)
{
return;
}
lock (m_connectionPool)
{
if (!m_connectionPool.Contains(connection))
{
throw new InvalidOperationException("Provided PIConnection does not belong to this connection pool");
}
if (connection.AccessCount > 0)
{
connection.AccessCount--;
}
if (connection.AccessCount < 1)
{
if (m_connectionPool.Count > m_minimumPoolSize && m_connectionPool.Remove(connection))
{
connection.Disconnected -= connection_Disconnected;
connection.Dispose();
}
}
}
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="PIOutputAdapter"/> object and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (!m_disposed)
{
try
{
if (disposing)
{
if ((object)m_mapRequestQueue != null)
{
m_mapRequestQueue.Dispose();
}
if ((object)m_archiveQueue != null)
{
m_archiveQueue.Dispose();
}
if ((object)m_connection != null)
{
m_connection.Disconnected -= m_connection_Disconnected;
m_connection.Dispose();
m_connection = null;
}
if ((object)m_mappedPIPoints != null)
{
m_mappedPIPoints.Clear();
}
}
}
finally
{
m_disposed = true; // Prevent duplicate dispose.
base.Dispose(disposing); // Call base class Dispose().
}
}
}