/// <summary>
/// Continuation for refreshing the query plan.
/// </summary>
private void PlanComputed(bool cancelled, DryadJobStaticPlan plan)
{
if (cancelled) return;
this.staticPlan = plan;
if (this.staticPlan != null)
{
this.staticPlan.AddFictitiousStages();
this.staticGraph = this.BuildAGLGraph();
}
this.CreatePlanLayouts();
this.AssignPlanColors();
if (this.planVisible != PlanVisible.Static)
this.FitPlanToWindow();
this.DrawQueryPlan();
}
/// <summary>
/// Build an AGL graph corresponding to a dryadlinq job static plan.
/// </summary>
/// <returns>An AGL graph.</returns>
private static Msagl.Drawing.Graph BuildAGLGraph(DryadJobStaticPlan plan)
{
Msagl.Drawing.Graph retval = new Msagl.Drawing.Graph();
foreach (DryadJobStaticPlan.Stage stage in plan.GetAllStages())
{
Msagl.Drawing.Node node = new Msagl.Drawing.Node(stage.Id.ToString());
node.UserData = stage;
if (stage.IsVirtual)
{
if (stage.IsTee)
node.Attr.Shape = Microsoft.Msagl.Drawing.Shape.Octagon;
else
node.Attr.Shape = Msagl.Drawing.Shape.InvHouse;
}
else
{
if (stage.Name == "JobManager")
{
node.Attr.Shape = Microsoft.Msagl.Drawing.Shape.Diamond;
}
else if (stage.Name == "All vertices")
node.Attr.Shape = Microsoft.Msagl.Drawing.Shape.Box;
else
node.Attr.Shape = Microsoft.Msagl.Drawing.Shape.Ellipse;
}
string nodeName = stage.Name;
if (stage.IsInput || stage.IsOutput)
{
nodeName = string.Join(",", nodeName.Split(',').Select(Path.GetFileName).ToArray());
nodeName = Path.GetFileName(nodeName);
const int maxNodeNameLen = 40;
if (nodeName.Length > maxNodeNameLen)
{
nodeName = nodeName.Substring(0, maxNodeNameLen / 2) + "..." + nodeName.Substring(nodeName.Length - maxNodeNameLen / 2);
}
}
if (stage.Replication != 1)
node.LabelText = stage.Replication + " x " + nodeName;
else
node.LabelText = nodeName;
retval.AddNode(node);
}
foreach (DryadJobStaticPlan.Connection connection in plan.GetAllConnections())
{
Msagl.Drawing.Edge e = retval.AddEdge(connection.From.Id.ToString(), connection.To.Id.ToString());
if (connection.Arity == DryadJobStaticPlan.Connection.ConnectionType.AllToAll)
e.Attr.LineWidth = 3;
if (connection.ConnectionManager != "None")
e.LabelText = connection.ConnectionManager;
e.Attr.Color = FormColorToAglColor(System.Drawing.Color.FromName(connection.Color()));
e.UserData = connection;
}
return retval;
}
