public GraphInstance(Graph template, IDictionary <LocalId, JObject> data = null)
{
Template = template;
int nodeCount = template.Nodes.Length;
nodes = new GraphInstanceNode[nodeCount];
var serializer = new JsonSerializer();
serializer.Converters.Add(new OutputConverter());
serializer.Converters.Add(new SerializedGraphInstanceProxyConverter(template));
// Map and create tokens
for (int i = 0; i < nodeCount; i++)
{
var node = template.Nodes[i];
var instance = node.CreateInstance();
if (data != null && data.TryGetValue(node.Id, out var instanceData))
{
using var sr = instanceData.CreateReader();
serializer.Populate(sr, instance);
}
nodes[i].Instance = instance;
}
connections = new IConnection[template.ConnectionsCount];
// Allow all outputs to make their output type visible
for (int i = 0; i < nodeCount; i++)
{
var currentNode = nodes[i].Instance;
var connectionMapper = new ConnectionMapper(nodes[i].Instance, this);
nodes[i].Outputs = template.Nodes[i].Outputs(connectionMapper, currentNode);
}
// Allow inputs to subscribe to those outputs.
for (int i = 0; i < nodeCount; i++)
{
var currentNode = nodes[i].Instance;
var connectionMapper = new ConnectionMapper(currentNode, this);
nodes[i].Inputs = template.Nodes[i].Inputs(connectionMapper, currentNode);
}
// Stop events from taking effect immediately.
foreach (var connection in connections)
{
connection.BufferEvents = true;
}
}
public abstract OutputMap[] Outputs(ConnectionMapper connections);
public abstract InputMap[] Inputs(ConnectionMapper connections);
public abstract OutputMap[] Outputs(ConnectionMapper connections, INodeInstance instance);
internal abstract InputMap[] Inputs(ConnectionMapper connections, INodeInstance instance);