public virtual void RemoveConnection(Connection connection)
{
if (ConnectionsTo.Remove(connection))
{
HilightOutputAnchorOffByName(connection.LeftAnchorName);
}
if (ConnectionsFrom.Remove(connection))
{
// set right input value to null
var rightProperty = NodeInstance.GetType().GetProperty(connection.RightPropertyName);
if (rightProperty != null)
{
rightProperty.SetValue(NodeInstance, null);
}
EnableInputElement(connection.RightAnchorName);
HilightInputAnchorOffByName(connection.RightAnchorName);
}
}
public virtual Guid Execute(Guid transactionId)
{
if (LastTransactionId == transactionId || (ConnectionsFrom.Count != 0 && ConnectionsFrom.All(c => c.TransactionId == transactionId)))
{
return(LastTransactionId);
}
try
{
var stopWatch = new Stopwatch();
foreach (var connection in ConnectionsFrom)
{
if (connection.TransactionId == transactionId)
{
continue;
}
// generate output from left node
(connection.Left as Node).Execute(transactionId);
// get left output value
var leftNode = connection.Left.NodeInstance;
var leftValue = leftNode
.GetType()
.GetProperty(connection.LeftPropertyName)
.GetValue(leftNode);
// set right input value
var rightProperty = NodeInstance?.GetType().GetProperty(connection.RightPropertyName);
if (rightProperty != null)
{
rightProperty.SetValue(NodeInstance, Common.Tools.Convert.ChangeType(leftValue, rightProperty.PropertyType));
}
connection.TransactionId = transactionId;
}
if (NodeInstance != null && LastTransactionId != transactionId)
{
try
{
stopWatch.Reset();
stopWatch.Start();
NodeInstance.Execute();
RaiseImpulseEvent();
stopWatch.Stop();
// log node input & output
var nodeName = AttributeHelper.GetValue <NodeInfoAttribute, string>(NodeInstance.GetType(), nameof(NodeInfoAttribute.DisplayName)) ?? NodeInstance.GetType().Name;
var nodeInputs = (NodeInstance as ILoggable)?.GetInputs()
?.Select(i => i == null ? null : (i.Length < LOG_MAX_INPUT_LENGTH ? i : (i.Substring(0, LOG_MAX_INPUT_LENGTH) + "...")).Replace(Environment.NewLine, "\\r\\n"));
var nodeOutputs = (NodeInstance as ILoggable)?.GetOutputs()
?.Select(i => i == null ? null : (i.Length < LOG_MAX_OUTPUT_LENGTH ? i : (i.Substring(0, LOG_MAX_OUTPUT_LENGTH) + "...")).Replace(Environment.NewLine, "\\r\\n"));
Log.WriteLine($"{ CustomNodeName.Text }:{ nodeName }('{ string.Join("', '", nodeInputs ?? new string[] { }) }')=['{ string.Join("', '", nodeOutputs ?? new string[] { }) }'] | { stopWatch.ElapsedMilliseconds }ms");
LastTransactionId = transactionId;
}
catch (Exception ex)
{
Log.WriteLine(ex.ToString());
}
}
foreach (var outputConnection in ConnectionsTo)
{
outputConnection.Right.Execute(transactionId);
}
}
catch (FriendlyException ex)
{
Log.WriteLine(ex.Message);
}
catch (Exception ex)
{
Log.WriteLine(ex.ToString());
}
return(LastTransactionId);
}
