public static void LowerTransformations(AstEtlRootNode astDataflow, DataflowLoweringContext context)
{
var sortedTransformations = SortTransformations(astDataflow.Transformations);
foreach (AstTransformationNode astTransformation in sortedTransformations)
{
PhysicalLoweringProcessor.Lower(astTransformation, context);
}
}
private static void LowerChildren(AstTask.AstContainerTaskNode container, LoweringContext context)
{
foreach (AstTask.AstVariableNode variable in container.Variables)
{
PhysicalLoweringProcessor.Lower(variable, context);
}
var sortedTasks = SortTasks(container, container.Tasks);
foreach (AstTask.AstTaskNode task in sortedTasks)
{
PhysicalLoweringProcessor.Lower(task, context);
}
}
public static void LowerEventHandlers(AstTask.AstTaskNode astTaskNode, Executable parentExecutable, LoweringContext context)
{
foreach (AstTask.AstTaskEventHandlerNode astTaskEventHandler in astTaskNode.Events)
{
PhysicalTask.EventHandler e = new IR.Tasks.EventHandler(astTaskEventHandler, parentExecutable);
context.ParentObject.Children.Add(e);
foreach (AstTask.AstTaskNode task in astTaskEventHandler.Tasks)
{
context = new TaskLoweringContext(e);
PhysicalLoweringProcessor.Lower(task, context);
}
}
}
