/// <summary>
/// Returns true if the system must be scanning to provide updates for the monitored item.
/// </summary>
private bool SystemScanRequired(MonitoredNode2 monitoredNode, IDataChangeMonitoredItem2 monitoredItem)
{
// ingore other types of monitored items.
if (monitoredItem == null)
{
return(false);
}
// only care about variables.
BaseDataVariableState source = monitoredNode.Node as BaseDataVariableState;
if (source == null)
{
return(false);
}
// check for variables that need to be scanned.
if (monitoredItem.AttributeId == Attributes.Value)
{
TestDataObjectState test = source.Parent as TestDataObjectState;
if (test != null && test.SimulationActive.Value)
{
return(true);
}
}
return(false);
}
public void Initialize(int id, string name, int size)
{
m_id = id;
m_name = name;
m_values = new int[size];
m_monitoredItems = new IDataChangeMonitoredItem2[size][];
}
public void Unsubscribe(int index, IDataChangeMonitoredItem2 monitoredItem)
{
lock (m_lock)
{
if (index >= 0 && index < m_values.Length)
{
IDataChangeMonitoredItem2[] monitoredItems = m_monitoredItems[index];
if (monitoredItems != null)
{
for (int ii = 0; ii < monitoredItems.Length; ii++)
{
if (Object.ReferenceEquals(monitoredItems[ii], monitoredItem))
{
m_monitoredItems[index] = new IDataChangeMonitoredItem2[monitoredItems.Length - 1];
if (ii > 0)
{
Array.Copy(monitoredItems, m_monitoredItems[index], ii);
}
if (ii < monitoredItems.Length - 1)
{
Array.Copy(monitoredItems, ii + 1, m_monitoredItems[index], 0, monitoredItems.Length - ii - 1);
}
monitoredItems = m_monitoredItems[index];
break;
}
}
}
}
}
}
public void Subscribe(int index, IDataChangeMonitoredItem2 monitoredItem)
{
lock (m_lock)
{
if (m_timer == null)
{
m_timer = new Timer(OnUpdate, null, 45, 45);
}
if (index >= 0 && index < m_values.Length)
{
IDataChangeMonitoredItem2[] monitoredItems = m_monitoredItems[index];
if (monitoredItems == null)
{
m_monitoredItems[index] = monitoredItems = new IDataChangeMonitoredItem2[1];
}
else
{
m_monitoredItems[index] = new IDataChangeMonitoredItem2[monitoredItems.Length + 1];
Array.Copy(monitoredItems, m_monitoredItems[index], monitoredItems.Length);
monitoredItems = m_monitoredItems[index];
}
monitoredItems[monitoredItems.Length - 1] = monitoredItem;
}
}
}
/// <summary>
/// Returns true if the system must be scanning to provide updates for the monitored item.
/// </summary>
private bool SystemScanRequired(MonitoredNode2 monitoredNode, IDataChangeMonitoredItem2 monitoredItem)
{
// ingore other types of monitored items.
if (monitoredItem == null)
{
return false;
}
// only care about variables.
BaseDataVariableState source = monitoredNode.Node as BaseDataVariableState;
if (source == null)
{
return false;
}
// check for variables that need to be scanned.
if (monitoredItem.AttributeId == Attributes.Value)
{
TestDataObjectState test = source.Parent as TestDataObjectState;
if (test != null && test.SimulationActive.Value)
{
return true;
}
}
return false;
}
public void Initialize(int id, string name, int size)
{
m_id = id;
m_name = name;
m_values = new int[size];
m_monitoredItems = new IDataChangeMonitoredItem2[size][];
}
public void Unsubscribe(int index, IDataChangeMonitoredItem2 monitoredItem)
{
lock (m_lock)
{
if (index >= 0 && index < m_values.Length)
{
IDataChangeMonitoredItem2[] monitoredItems = m_monitoredItems[index];
if (monitoredItems != null)
{
for (int ii = 0; ii < monitoredItems.Length; ii++)
{
if (Object.ReferenceEquals(monitoredItems[ii], monitoredItem))
{
m_monitoredItems[index] = new IDataChangeMonitoredItem2[monitoredItems.Length - 1];
if (ii > 0)
{
Array.Copy(monitoredItems, m_monitoredItems[index], ii);
}
if (ii < monitoredItems.Length - 1)
{
Array.Copy(monitoredItems, ii + 1, m_monitoredItems[index], 0, monitoredItems.Length - ii - 1);
}
monitoredItems = m_monitoredItems[index];
break;
}
}
}
}
}
}
public void Subscribe(int index, IDataChangeMonitoredItem2 monitoredItem)
{
lock (m_lock)
{
if (m_timer == null)
{
m_timer = new Timer(OnUpdate, null, 45, 45);
}
if (index >= 0 && index < m_values.Length)
{
IDataChangeMonitoredItem2[] monitoredItems = m_monitoredItems[index];
if (monitoredItems == null)
{
m_monitoredItems[index] = monitoredItems = new IDataChangeMonitoredItem2[1];
}
else
{
m_monitoredItems[index] = new IDataChangeMonitoredItem2[monitoredItems.Length + 1];
Array.Copy(monitoredItems, m_monitoredItems[index], monitoredItems.Length);
monitoredItems = m_monitoredItems[index];
}
monitoredItems[monitoredItems.Length - 1] = monitoredItem;
}
}
}
