public override void AddOperation <TOperation>(ICheckConstraint constraint)
{
var operation = Activator.CreateInstance <TOperation>() as BasicOperation <T>;
var operationPair = new OperationDuplex <T>(new OperationInvoker <T>(operation), constraint);
ParallelOperations.Add(operationPair);
}
/// <summary>
/// Gets a generator over Tasks and adjusts the task path as constraints
/// fail or pass if there are branch conditions included.
/// </summary>
/// <returns></returns>
public IEnumerable GenerateTaskList()
{
IEnumerable tasks = Tasks;
var enumerator = tasks.GetEnumerator();
for (; enumerator.MoveNext();)
{
var task = (OperationDuplex <T>)enumerator.Current;
// TODO: this smells like object incest. Interface maybe??
if (task.Constraint is BranchCondition)
{
var constraint = (BranchCondition)task.Constraint;
var cond = new BranchCondition(constraint, () =>
{
var enumerable = constraint.BranchPoint.GetRemainingOperations();
if (enumerable != null)
{
enumerator = enumerable.GetEnumerator();
}
});
task = new OperationDuplex <T>(task.Command, cond);
}
yield return(task);
}
}
public override void AddOperation(Func <T, T> function, ICheckConstraint constraint, IDeclaredOperation name)
{
InitializeDeclaredOperation(name);
var operationPair = new OperationDuplex <T>(new FunctionInvoker <T>(function), constraint);
taskList.Tasks.Add(operationPair);
}
public override void AddOperation <TOperation>()
{
var operation = Activator.CreateInstance <TOperation>();
var operationPair = new OperationDuplex <T>(new OperationInvoker <T>(operation as BasicOperation <T>));
ParallelOperations.Add(operationPair);
}
public ThreadProxy(ref Dispatcher <T> engine, OperationDuplex <T> threadStartFunction, T parameter, ref ManualResetEvent finishedEvent)
{
_finishedEvent = finishedEvent;
_function = threadStartFunction;
_data = parameter;
_engine = engine;
}
public override void AddOperation <TOperation>(ICheckConstraint constraint)
{
var operation = Activator.CreateInstance <TOperation>();
var operationPair = new OperationDuplex <T>(new OperationInvoker <T>(operation as BasicOperation <T>), constraint);
taskList.Tasks.Add(operationPair);
}
public override void AddOperation <TType>()
{
var operation = Activator.CreateInstance <TType>();
var operationPair = new OperationDuplex <T>(new OperationInvoker <T>(operation as BasicOperation <T>));
taskList.Tasks.Add(operationPair);
}
private ManualResetEvent QueueOperation(OperationDuplex <T> function, T data, ManualResetEvent finishedEvent)
{
var threadContainer = new ThreadProxy(ref _engine, function, data, ref finishedEvent);
ThreadPool.QueueUserWorkItem(a => threadContainer.Start());
return(finishedEvent);
}
public ParallelSplitBuilder(TaskList <T> taskList) : base(taskList)
{
ParallelOperations = new ParallelInvoker <T>();
if (null != taskList.Tasks && 0 != taskList.Tasks.Count)
{
OperationDuplex <T> leftOver =
taskList.Tasks[taskList.Tasks.Count - 1];
taskList.Tasks.RemoveAt(taskList.Tasks.Count - 1);
ParallelOperations.Add(leftOver);
}
}
public virtual T Execute(OperationDuplex <T> operationPair, T current)
{
if (ConstraintResult(operationPair.Constraint))
{
try
{
current = operationPair.Command.Execute(current);
LastOperationSucceeded = true;
}
catch (Exception ex)
{
while (ex is System.Reflection.TargetInvocationException)
{
ex = ex.InnerException;
}
switch (ErrorHandler.Handle(ex, current))
{
case ErrorLevel.Ignored:
LastOperationSucceeded = true;
break;
case ErrorLevel.Handled:
LastOperationSucceeded = false;
break;
case ErrorLevel.Fatal:
LastOperationSucceeded = false;
throw ex;
default:
// This line should theoretically be dead code.
throw new ArgumentOutOfRangeException("invalid member of ErrorLevel enum");
}
}
current = ExecutePolicies(operationPair.Command, current);
}
Context = current;
return(Context);
}
public override void AddOperation(IOperation <T> operation, ICheckConstraint constraint)
{
var operationPair = new OperationDuplex <T>(new OperationInvoker <T>(operation as BasicOperation <T>), constraint);
ParallelOperations.Add(operationPair);
}
public override void AddOperation(IWorkflow <T> workflow)
{
var operationPair = new OperationDuplex <T>(new WorkflowInvoker <T>(workflow));
taskList.Tasks.Add(operationPair);
}
public override void AddOperation(IOperation <T> operation)
{
var operationPair = new OperationDuplex <T>(new OperationInvoker <T>(operation as BasicOperation <T>));
ParallelOperations.Add(operationPair);
}
public override void AddOperation(IWorkflow <T> workflow, ICheckConstraint constraint)
{
var operationPair = new OperationDuplex <T>(new WorkflowInvoker <T>(workflow), constraint);
ParallelOperations.Add(operationPair);
}
public override void AddOperation(IWorkflow <T> workflow)
{
var operationPair = new OperationDuplex <T>(new WorkflowInvoker <T>(workflow));
ParallelOperations.Add(operationPair);
}
public override void AddOperation(Func <T, T> function)
{
var operationPair = new OperationDuplex <T>(new FunctionInvoker <T>(function));
taskList.Tasks.Add(operationPair);
}
public void Add(OperationDuplex <T> operation)
{
RegisteredOperations.Add(operation);
}
public override void AddOperation(Func <T, T> function)
{
var operationPair = new OperationDuplex <T>(new FunctionInvoker <T>(function));
ParallelOperations.Add(operationPair);
}
public override void AddOperation(Func <T, T> function, ICheckConstraint constraint)
{
var operationPair = new OperationDuplex <T>(new FunctionInvoker <T>(function), constraint);
ParallelOperations.Add(operationPair);
}
public virtual T Execute(OperationDuplex <T> operationPair)
{
return(Execute(operationPair, default(T)));
}
public override void AddOperation(IOperation <T> operation)
{
var operationPair = new OperationDuplex <T>(new OperationInvoker <T>(operation as BasicOperation <T>));
taskList.Tasks.Add(operationPair);
}
