static void Main(string[] args)
{
PISystems myPISystems = new PISystems();
PISystem myPISystem = myPISystems[EventFrameTest.Properties.Settings.Default.AFSystemName];
object sysCookie, dbCookie;
AFDatabases myDBs = myPISystem.Databases;
AFDatabase myDB = myDBs[EventFrameTest.Properties.Settings.Default.AFDBName];
myPISystem.FindChangedItems(false, int.MaxValue, null, out sysCookie);
myDB.FindChangedItems(false, int.MaxValue, null, out dbCookie);
// Find changes made while application not running.
List <AFChangeInfo> list = new List <AFChangeInfo>();
list.AddRange(myPISystem.FindChangedItems(false, int.MaxValue, sysCookie, out sysCookie));
list.AddRange(myDB.FindChangedItems(false, int.MaxValue, dbCookie, out dbCookie));
// Refresh objects that have been changed.
AFChangeInfo.Refresh(myPISystem, list);
foreach (AFChangeInfo info in list)
{
AFChangeInfoAction ac = info.Action;
AFObject myObj = info.FindObject(myPISystem, true);
AFIdentity myID = myObj.Identity;
if (myID == AFIdentity.EventFrame && ac == AFChangeInfoAction.Added)
{
Console.WriteLine("Found changed object: {0}", myObj);
}
}
Console.ReadLine();
}
internal static void OnChanged(object sender, AFChangedEventArgs e)
{
//Console.WriteLine(sender);
//Console.WriteLine(e);
// Find changes made while application not running.
List <AFChangeInfo> list = new List <AFChangeInfo>();
list.AddRange(myPISystem.FindChangedItems(true, int.MaxValue, sysCookie, out sysCookie));
list.AddRange(monitoredDB.FindChangedItems(true, int.MaxValue, dbCookie, out dbCookie));
// Refresh objects that have been changed.
AFChangeInfo.Refresh(myPISystem, list);
foreach (AFChangeInfo info in list)
{
AFChangeInfoAction ac = info.Action;
AFObject myObj = info.FindObject(myPISystem, true);
AFIdentity myID = myObj.Identity;
if (myID == AFIdentity.EventFrame && ac == AFChangeInfoAction.Added)
{
AFEventFrame myEFinfo = (AFEventFrame)info.FindObject(myPISystem, true);
AFNamedCollectionList <AFEventFrame> myEFList = AFEventFrame.FindEventFrames(monitoredDB, null, new AFTime("*"), 0, 5, AFEventFrameSearchMode.BackwardFromEndTime, "", "", null, myEFinfo.Template, true);
foreach (AFEventFrame EF in myEFList)
{
Console.WriteLine(EF.Name);
}
}
}
}
public void RefreshLoadedObjects()
{
var changes = _database.FindChangedItems(AFIdentity.Element, false, int.MaxValue, _cookie, out _cookie);
_logger.InfoFormat("Found {0} changes in the database", changes.Count);
foreach (var afChangeInfo in changes)
{
_logger.DebugFormat("Update found element ID {1},Update is value update: {0}", afChangeInfo.IsValueUpdate, afChangeInfo.ID);
}
// Refresh objects that have been changed.
AFChangeInfo.Refresh(_database.PISystem, changes);
}
internal void OnChanged(object sender, AFChangedEventArgs e)
{
List <AFChangeInfo> changes = new List <AFChangeInfo>();
changes.AddRange(afdatabase.FindChangedItems(true, int.MaxValue, cookie, out cookie));
AFChangeInfo.Refresh(afdatabase.PISystem, changes);
foreach (AFChangeInfo info in changes.FindAll(change => change.Identity == AFIdentity.EventFrame))
{
if (info.Action != AFChangeInfoAction.Removed)
{
AFEventFrame lastestEventFrame = (AFEventFrame)info.FindObject(afdatabase.PISystem, true);
logger.Debug($"A new event to verify: {lastestEventFrame.Name}");
calculation.performAction(lastestEventFrame, info.Action);
}
}
}
static void Main(string[] args)
{
var piSystem = new PISystems()[piSystemName];
if (!piSystem.ConnectionInfo.IsConnected)
{
if (string.IsNullOrEmpty(piSystemUser))
{
piSystem.Connect();
}
else
{
var creds = new NetworkCredential(piSystemUser, piSystemPass, piSystemDomain);
piSystem.Connect(creds);
}
}
if (piSystem.ConnectionInfo.IsConnected)
{
Console.WriteLine($"Connected to PI System '{piSystem.Name}' (GUID='{piSystem.ID}')");
if (piSystem.Databases.Contains(piSystemDatabase))
{
var afDatabase = piSystem.Databases[piSystemDatabase];
Console.WriteLine($"Connected to AF Database '{afDatabase.Name}' (GUID='{afDatabase.ID}')");
// Do stuff here...
object sysCookie = piSystem.GetFindChangedItemsCookie(searchSandbox: false);
for (int i = 0; i < 100; i++)
{
Console.WriteLine("Checking for changes...");
List <AFChangeInfo> list = new List <AFChangeInfo>();
int resultsPerPage = 1000;
while (true)
{
var results = piSystem.FindChangedItems(false, true, resultsPerPage, sysCookie, out sysCookie);
if ((results?.Count ?? 0) == 0)
{
break;
}
list.AddRange(results);
}
// Refresh objects that have been changed.
AFChangeInfo.Refresh(piSystem, list);
// Find the objects that have been changed.
foreach (AFChangeInfo info in list)
{
try
{
AFObject myObj = info.FindObject(piSystem, true);
Console.WriteLine("Found changed object: {0}", myObj.ToString());
Console.WriteLine("Identity: " + myObj.Identity.ToString());
Console.WriteLine("Action = " + info.Action);
Console.WriteLine("Change Time = " + info.ChangeTime);
Console.WriteLine("Value Updated = " + info.IsValueUpdate);
Console.WriteLine("Parent ID = " + info.ParentID);
Console.WriteLine("Parent = " + ((info.ParentID == Guid.Empty) ? "NONE" : AFElement.FindElement(piSystem, info.ParentID).GetPath()));
Console.WriteLine(" ");
}
catch { }
}
System.Threading.Thread.Sleep(5000);
}
}
else
{
Console.WriteLine($"PI System Database '{piSystemDatabase}' does not exist.");
}
}
else
{
Console.WriteLine($"Cannot connect to PI System '{piSystemName}'.");
}
}