private GraphNode GetGraphNode(IFlowNode node)
{
GraphNode graphNode;
nodeList.TryGetValue(node.GetID(), out graphNode);
return(graphNode);
}
public IEnumerable <IFlowNode> GetNextSteps(IFlowNode node)
{
GraphNode graphNode = GetGraphNode(node);
if (graphNode != null)
{
return(graphNode.nextNodes.Select((n) => n.node));
}
else
{
throw new System.InvalidOperationException("The node " + node.GetID() + " could not be found in the dpendency graph");
}
}
public bool IsNodeValidToInstall(IFlowNode node)
{
bool validToInstall = true;
GraphNode graphNode = GetGraphNode(node);
if (graphNode != null)
{
foreach (var pnode in graphNode.previousNodes)
{
if (((Node)pnode.node).GetInstallationState() == InstallationState.NotInstalled)
{
validToInstall = false;
break;
}
}
}
else
{
throw new System.InvalidOperationException("The node " + node.GetID() + " could not be found in the dpendency graph");
}
return(validToInstall);
}