public Link AddLink(Output output, Input input, bool writeInDb = true)
{
Node inputNode = GetInputOwner(input);
Node outputNode = GetOutputOwner(output);
if (inputNode == null || outputNode == null)
{
LogEngineError($"Can`t create link from [{output.Id}] to [{input.Id}]. Does not exist.");
return(null);
}
if (inputNode == outputNode)
{
LogEngineError($"Can`t create link from [{output.Id}] to [{input.Id}]. Input and output belong to the same node.");
return(null);
}
if (inputNode.PanelId != outputNode.PanelId)
{
LogEngineError($"Can`t create link from {outputNode.GetType().Name} to {inputNode.GetType().Name}. Nodes are on different panels.");
return(null);
}
Link link = new Link(output.Id, input.Id, inputNode.PanelId);
//prevent two links to one input
Link oldLink = GetLinkForInput(input);
if (oldLink != null)
{
RemoveLink(oldLink, true);
}
LogEngineInfo($"New link from [{outputNode.GetType().Name}] to [{inputNode.GetType().Name}]");
lock (linksLock)
links.Add(link);
if (writeInDb)
{
nodesDb?.AddLink(link);
}
OnNewLink?.Invoke(link);
if (started)
{
input.Value = output.Value;
}
return(link);
}
public void UpdateNodeInDb(Node node)
{
Node oldNode = GetNode(node.Id);
if (oldNode == null)
{
LogEngineError($"Can`t update node [{node.GetType().Name}]. Node [{node.Id}] does not exist.");
return;
}
// LogEngineInfo($"Update node in DB [{node.GetType().Name}]");
nodesDb?.UpdateNode(node);
}
public void RemoveNode(Node node)
{
lock (nodesLock)
if (!nodes.Contains(node))
{
LogEngineError($"Can`t remove node [{node.GetType().Name}]. Node [{node.Id}] does not exist.");
return;
}
List<Node> nodesToRemove = new List<Node>();
nodesToRemove.Add(node);
List<Link> linksToRemove = new List<Link>();
List<Link> links = GetLinksForNode(node);
linksToRemove.AddRange(links);
foreach (var link in links)
{
RemoveLink(link, false);
}
node.OnRemove();
if (node is PanelNode)
{
var nodesOnPanel = GetNodesForPanel(node.Id, true);
nodesToRemove.AddRange(nodesOnPanel);
foreach (var n in nodesOnPanel)
{
List<Link> li = GetLinksForNode(n);
linksToRemove.AddRange(li);
foreach (var link in li)
{
RemoveLink(link, false);
}
LogEngineInfo($"Remove node [{n.GetType().Name}]");
OnRemoveNode?.Invoke(n);
lock (nodesLock)
nodes.Remove(n);
}
}
lock (nodesLock)
nodes.Remove(node);
nodesDb?.RemoveNodes(nodesToRemove);
nodesDb?.RemoveLinks(linksToRemove);
LogEngineInfo($"Remove node [{node.GetType().Name}]");
OnRemoveNode?.Invoke(node);
}
public void UpdateNodeInDb(Node node)
{
Node oldNode = GetNode(node.Id);
if (oldNode == null)
{
LogEngineError($"Can`t update node [{node.GetType().Name}]. Node [{node.Id}] does not exist.");
return;
}
// LogEngineInfo($"Update node in DB [{node.GetType().Name}]");
nodesDb?.UpdateNode(node);
}
public bool AddNode(Node node, bool writeInDb = true)
{
if (node.PanelId != MAIN_PANEL_ID && GetPanelNode(node.PanelId) == null)
{
LogEngineError($"Can`t create node [{node.GetType().Name}]. Panel [{node.PanelId}] does not exist.");
return false;
}
bool checkNodeCanBeAdded = node.OnAddToEngine(this);
if (!checkNodeCanBeAdded)
{
LogEngineError($"Can`t create node [{node.GetType().Name}]. Aborted by node.");
return false;
}
lock (nodesLock)
nodes.Add(node);
if (writeInDb)
nodesDb?.AddNode(node);
LogEngineInfo($"New node [{node.GetType().Name}]");
OnNewNode?.Invoke(node);
return true;
}