void IFlowExecutionComponent.FlowExecution(Flow flow, Flow.ExecutionStackItem entryItem)
{
bool isEntry = entryItem.FlowInput != null && entryItem.FlowInput.PropertyName == nameof(Entry);
//bool first = true;
//if( flow.InternalVariables.TryGetValue( this, out var value ) )
// first = (bool)value;
if (isEntry || Condition) //if( first || Condition )
{
//flow.InternalVariables[ this ] = false;
//reply after LoopBody
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(this));
//go to LoopBody
FlowInput next = LoopBody;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
else
{
//flow.InternalVariables.Remove( this );
//go to Exit
FlowInput next = Exit;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
}
public static void Execute(FlowInput entry, IEnumerable <Tuple <string, object> > initVariables = null)
{
var flow = ExecuteWithoutRemoveFromStack(entry, initVariables);
RemoveFromStack(flow);
//return flow;
}
bool EqualsImpl(FlowInput a)
{
if (ReferenceEquals(this, a))
{
return(true);
}
return(owner == a.owner);
}
//[Browsable( false )]
//public string FlowchartNodeTitle
//{
// get
// {
// //!!!!может по другому
// if( MemberObject != null )
// return MemberObject.ToString();
// else
// return null;
// }
//}
//[Browsable( false )]
//public Component_Texture FlowchartNodeRenderTexture
//{
// get { return null; }
//}
//[Browsable( false )]
//public FlowchartNodeContentType FlowchartNodeContentType
//{
// get
// {
// if( FlowSupport )
// return FlowchartNodeContentType.Flow;
// else
// return FlowchartNodeContentType.Default;
// }
//}
void IFlowExecutionComponent.FlowExecution(Flow flow, Flow.ExecutionStackItem entryItem)
{
Invoke();
FlowInput next = Exit;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
void Process(FlowInput entry)
{
if (entry != null)
{
ExecutionStack.Push(new ExecutionStackItem(entry));
}
while (ExecutionStack.Count != 0)
{
var item = ExecutionStack.Pop();
item.Component.FlowExecution(this, item);
}
}
void IFlowExecutionComponent.FlowExecution(Flow flow, Flow.ExecutionStackItem entryItem)
{
if (valueProperty != null)
{
var value = valueProperty.GetValue(this, null);
valueProperty.SetValue(this, value, null);
}
FlowInput next = Exit;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
void IFlowExecutionComponent.FlowExecution(Flow flow, Flow.ExecutionStackItem entryItem)
{
bool isEntry = entryItem.FlowInput != null && entryItem.FlowInput.PropertyName == nameof(Entry);
IEnumerator enumerator = null;
if (isEntry)
{
var collection = Collection.Value;
if (collection != null)
{
enumerator = collection.GetEnumerator();
}
}
else
{
if (flow.InternalVariables.TryGetValue(this, out var value))
{
enumerator = (IEnumerator)value;
}
}
if (enumerator != null && enumerator.MoveNext())
{
flow.InternalVariables[this] = enumerator;
//reply after LoopBody
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(this));
//go to LoopBody
FlowInput next = LoopBody;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
else
{
flow.InternalVariables.Remove(this);
//go to Exit
FlowInput next = Exit;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
}
void IFlowExecutionComponent.FlowExecution(Flow flow, Flow.ExecutionStackItem entryItem)
{
var variable = Variable.Value;
if (variable != null && valueProperty != null)
{
var value = ReferenceUtility.GetUnreferencedValue(valueProperty.GetValue(this, null));
flow.SetVariable(variable.GetVariableName(), value);
}
FlowInput next = Exit;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
void IFlowExecutionComponent.FlowExecution(Flow flow, Flow.ExecutionStackItem entryItem)
{
bool isEntry = entryItem.FlowInput != null && entryItem.FlowInput.PropertyName == nameof(Entry);
int number = -1;
if (!isEntry)
{
if (flow.InternalVariables.TryGetValue(this, out var value))
{
number = (int)value;
}
}
number++;
if (number < Number.Value)
{
flow.InternalVariables[this] = number;
//reply after LoopBody
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(this));
//go to LoopBody
FlowInput next = LoopBody;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
else
{
flow.InternalVariables.Remove(this);
//go to Exit
FlowInput next = Exit;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
}
public static Flow ExecuteWithoutRemoveFromStack(FlowInput entry, IEnumerable <Tuple <string, object> > initVariables = null)
{
InitFlowStack();
var flow = new Flow();
//flow.initParameter = initParameter;
flowStack.Add(flow);
if (initVariables != null)
{
foreach (var t in initVariables)
{
flow.SetVariable(t.Item1, t.Item2);
}
}
//if( initParameter != null )
// flow.SetVariable( "InitParameter", initParameter );
flow.Process(entry);
return(flow);
}
void IFlowExecutionComponent.FlowExecution(Flow flow, Flow.ExecutionStackItem entryItem)
{
if (Condition)
{
//reply after LoopBody
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(this));
//go to LoopBody
FlowInput next = LoopBody;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
else
{
//go to Exit
FlowInput next = Exit;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
}
void IFlowExecutionComponent.FlowExecution(Flow flow, Flow.ExecutionStackItem entryItem)
{
bool isEntry = entryItem.FlowInput != null && entryItem.FlowInput.PropertyName == nameof(Entry);
ExecutionData executionData = null;
if (isEntry)
{
var collection = Collection.Value;
if (collection != null)
{
executionData = new ExecutionData();
executionData.collection = collection;
executionData.currentIndex = FirstIndex;
}
}
else
{
if (flow.InternalVariables.TryGetValue(this, out var value))
{
executionData = (ExecutionData)value;
executionData.currentIndex++;
}
}
//update Current
if (executionData != null)
{
if (executionData.currentIndex >= 0 && executionData.currentIndex <= LastIndex.Value && executionData.currentIndex < executionData.collection.Count)
{
executionData.current = executionData.collection[executionData.currentIndex];
}
else
{
executionData.current = null;
}
}
if (executionData != null && executionData.currentIndex >= 0 && executionData.currentIndex <= LastIndex.Value && executionData.currentIndex < executionData.collection.Count)
{
flow.InternalVariables[this] = executionData;
//reply after LoopBody
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(this));
//go to LoopBody
FlowInput next = LoopBody;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
else
{
flow.InternalVariables.Remove(this);
//go to Exit
FlowInput next = Exit;
if (next != null)
{
flow.ExecutionStack.Push(new Flow.ExecutionStackItem(next));
}
}
}
public bool Equals(FlowInput input)
{
return(this == input);
}
public ExecutionStackItem(FlowInput flowInput)
{
this.flowInput = flowInput;
this.component = flowInput.Owner;
}
