public MergedIterator(IEnumerator <T>[] iterators, IComparer <T> comparator)
: this(iterators.Length, comparator)
{
foreach (IEnumerator <T> iterator in iterators)
{
IteratorNode ctx = new IteratorNode(iterator);
if (ctx.Fetch())
{
_queue.Add(ctx); // NOTE: This was InsertWithOverflow in codeplex version
}
}
}
public bool MoveNext()
{
if (_queue.Size() > 0)
{
IteratorNode ctx = (IteratorNode)_queue.Top();
T val = ctx._curVal;
if (ctx.Fetch())
{
_queue.UpdateTop();
}
else
{
_queue.Pop();
}
this._current = val;
return(true);
}
else
{
return(false);
}
}
public bool MoveNext()
{
if (m_queue.Count > 0)
{
IteratorNode ctx = (IteratorNode)m_queue.Top;
T val = ctx.m_curVal;
if (ctx.Fetch())
{
m_queue.UpdateTop();
}
else
{
m_queue.Pop();
}
this.m_current = val;
return(true);
}
else
{
return(false);
}
}
async Task <IInstanceNode> BuildNode(ScriptLanguage?language, NodeData node, Guid?nodeid = null)
{
nodeid ??= Guid.NewGuid();
IInstanceNode instance;
switch (node.Type)
{
case NodeType.Start:
instance = new StartNode(nodeid.Value, node.Name, node.Parameters.Deserialize <StartParameters>(), compiler);
break;
case NodeType.Expression:
ExecuteExpressionParameters parameters = node.Parameters.Deserialize <ExecuteExpressionParameters>();
instance = new ExpressionNode(nodeid.Value, node.Name, await compiler.CompileCodeAsync(parameters.Code, parameters.Language));
break;
case NodeType.Script:
instance = new ScriptNode(nodeid.Value, node.Name, node.Parameters.Deserialize <CallWorkableParameters>(), compiler, language);
break;
case NodeType.Workflow:
instance = new WorkflowInstanceNode(nodeid.Value, node.Name, node.Parameters.Deserialize <CallWorkableParameters>(), compiler, language);
break;
case NodeType.BinaryOperation:
BinaryOpParameters binparameters = node.Parameters.Deserialize <BinaryOpParameters>();
instance = new BinaryNode(nodeid.Value, node.Name, binparameters, compiler);
break;
case NodeType.Value:
ValueParameters valueparameters = node.Parameters.Deserialize <ValueParameters>();
instance = new ValueNode(nodeid.Value, node.Name, valueparameters.Value, compiler);
break;
case NodeType.Suspend:
instance = new SuspendNode(nodeid.Value, node.Name, node.Parameters.Deserialize <SuspendParameters>());
break;
case NodeType.Call:
instance = new CallNode(nodeid.Value, node.Name, node.Parameters.Deserialize <CallParameters>(), compiler);
break;
case NodeType.Iterator:
instance = new IteratorNode(nodeid.Value, node.Name, node.Parameters.Deserialize <IteratorParameters>(), compiler);
break;
case NodeType.Log:
instance = new LogNode(nodeid.Value, node.Name, compiler, node.Parameters.Deserialize <LogParameters>());
break;
default:
instance = new InstanceNode(nodeid.Value, node.Name);
break;
}
if (!string.IsNullOrEmpty(node.Variable))
{
instance = new AssignStateNode(instance, node.Variable, node.VariableOperation, compiler);
}
return(instance);
}
