public void RebuildMetaOpManager()
{
MetaManager.Dipose();
MetaOpManager = MetaManager.Instance;
MetaOpManager.LoadMetaOperators();
HomeOperator = MetaOpManager.HomeOperator.CreateOperator(Guid.NewGuid());
}
private MetaOutput BuildMetaOutput(MetaManager metaManager, JToken jsonOutput)
{
var metaInstanceID = Guid.Parse(jsonOutput["MetaInstanceID"].Value <string>());
var name = jsonOutput["Name"].Value <string>();
var metaIDOfOpPart = Guid.Parse(jsonOutput["MetaID"].Value <string>());
var opPart = metaManager.GetMetaOperatorPart(metaIDOfOpPart);
return(new MetaOutput(metaInstanceID, name, opPart));
}
private MetaInput BuildMetaInput(MetaManager metaManager, JToken jsonInput)
{
var metaInstanceID = Guid.Parse(jsonInput["MetaInstanceID"].Value <string>());
var name = jsonInput["Name"].Value <string>();
var metaIDOfOpPart = Guid.Parse(jsonInput["MetaID"].Value <string>());
var opPart = metaManager.GetMetaOperatorPart(metaIDOfOpPart);
// read default value - can be multi line value
var defaultValueString = string.Empty;
var defaultValueEntry = jsonInput["DefaultValue"]["Value"];
if (defaultValueEntry is JValue)
{
defaultValueString = defaultValueEntry.Value <string>();
}
else
{
var lines = new List <String>();
foreach (var valueLine in defaultValueEntry)
{
lines.Add(valueLine.Value <string>());
}
defaultValueString = string.Join("\n", lines);
}
var defaultValue = ValueUtilities.CreateValue(jsonInput["DefaultValue"]["Type"].Value <string>(), defaultValueString);
var isMultiInput = jsonInput["IsMultiInput"].Value <bool>();
var relevance = (MetaInput.RelevanceType)Enum.Parse(typeof(MetaInput.RelevanceType), jsonInput["Relevance"].Value <string>());
var description = jsonInput["Description"].Value <string>();
var min = jsonInput["Min"].Value <float>();
var max = jsonInput["Max"].Value <float>();
var scale = jsonInput["Scale"].Value <float>();
var scaleType = (MetaInput.Scaling)Enum.Parse(typeof(MetaInput.Scaling), jsonInput["ScaleType"].Value <string>());
var enumEntries = (from enumEntry in jsonInput["EnumValues"]
let metaOpPart = BuildEnumEntry(enumEntry)
select metaOpPart).ToList();
return(new MetaInput(metaInstanceID, name, opPart, defaultValue, isMultiInput)
{
Relevance = relevance,
Description = description,
Min = min,
Max = max,
Scale = scale,
ScaleType = scaleType,
EnumValues = enumEntries
});
}
public MetaOperator ReadMetaOperator(MetaManager metaManager)
{
var o = JObject.ReadFrom(Reader);
var name = o["Name"].Value <string>();
var id = Guid.Parse(o["_id"].Value <string>());
var rev = o.Value <string>("_rev");
if (rev == null)
{
rev = string.Empty;
}
var namesp = o["Namespace"].Value <string>();
var description = o["Description"].Value <string>();
var inputs = (from i in ((JArray)o["Inputs"])
let metaInput = BuildMetaInput(metaManager, i)
select metaInput).ToList();
var outputs = (from output in ((JArray)o["Outputs"])
let metaOutput = BuildMetaOutput(metaManager, output)
select metaOutput).ToList();
var operators = (from op in ((JArray)o["Operators"])
let metaOp = BuildMetaOperator(metaManager, op)
select metaOp).ToDictionary(e => { return(e.Item1); }, e => { return(e.Item2); });
var connections = (from c in ((JArray)o["Connections"])
let metaConnection = BuildMetaConnection(c)
select metaConnection).ToList();
var newMetaOp = new MetaOperator(id)
{
Revision = rev,
Name = name,
Inputs = inputs,
Outputs = outputs,
Operators = operators,
Connections = connections,
Description = description,
Namespace = namesp,
};
// the loading order matters here, operator parts potentially need the parent op (newMetaOp) in
// order to determine which supplier assembly need to be loaded
var opParts = (from opPart in ((JArray)o["OperatorParts"])
let metaOpPart = BuildMetaOpPart(metaManager, newMetaOp, opPart)
select metaOpPart).ToList();
newMetaOp.OperatorParts = opParts;
newMetaOp.CheckForInconsistencyAndFixThem();
newMetaOp.Changed = false; // must be set after inconsistencies have been fixed!
return(newMetaOp);
}
private Tuple <Guid, MetaOperatorPart> BuildMetaOpPart(MetaManager metaManager, MetaOperator parent, JToken jsonOpPart)
{
var metaInstanceID = Guid.Parse(jsonOpPart["MetaInstanceID"].Value <string>());
var metaIDOfOpPart = Guid.Parse(jsonOpPart["MetaID"].Value <string>());
var version = Guid.Parse(jsonOpPart["Version"].Value <string>());
// build script
var lines = new List <String>();
foreach (var scriptLine in jsonOpPart["Script"])
{
lines.Add(scriptLine.Value <string>());
}
var script = string.Join("\n", lines);
var additionalAssemblies = new List <string>();
if (jsonOpPart["AdditionalAssemblies"] != null)
{
additionalAssemblies.AddRange(jsonOpPart["AdditionalAssemblies"].Select(assembly => assembly.Value <string>()));
}
var isMultiInput = jsonOpPart["IsMultiInput"].Value <bool>();
var name = jsonOpPart["Name"].Value <string>();
var type = (FunctionType)Enum.Parse(typeof(FunctionType), jsonOpPart["Type"].Value <string>());
var metaOpPart = new MetaOperatorPart(metaIDOfOpPart)
{
IsMultiInput = isMultiInput,
Type = type,
Name = name,
AdditionalAssemblies = additionalAssemblies,
Parent = parent,
Version = version // set version at last to prevent version updates of property setters above
};
foreach (var opEntry in parent.Operators)
{
var supplierOpPartDefinition = opEntry.Value.Item1.OperatorParts[0].Item2;
supplierOpPartDefinition.ScriptChangedEvent += metaOpPart.HandleDependencyOperator_ScriptChange;
}
metaOpPart.InitScript(script, version);
metaManager.AddMetaOperatorPart(metaOpPart);
return(Tuple.Create(metaInstanceID, metaOpPart));
}
private MetaOperator.InstanceProperties BuildOperatorInstanceProperties(MetaManager metaManager, MetaOperator metaOp, JToken jsonOp)
{
var opProperties = new MetaOperator.InstanceProperties();
opProperties.Name = jsonOp["Name"].Value <string>();
opProperties.Position = new Point(jsonOp["PosX"].Value <double>(), jsonOp["PosY"].Value <double>());
opProperties.Width = jsonOp["Width"].Value <double>();
opProperties.Visible = jsonOp["Visible"].Value <bool>();
if (jsonOp["Disabled"] != null)
{
opProperties.Disabled = jsonOp["Disabled"].Value <bool>();
}
var foundMetaInputsList = new List <MetaInput>();
foreach (var jsonInput in jsonOp["Inputs"])
{
var id = Guid.Parse(jsonInput["ID"].Value <string>());
var metaInput = (from input in metaOp.Inputs
where input.ID == id
select input).SingleOrDefault();
if (metaInput == null)
{
Logger.Debug("Skipped obsolete parameter value {0} in meta operator {1}, because it no longer exists.", id.ToString(), metaOp.Name);
continue;
}
var valueToken = jsonInput["Type"];
if (valueToken != null)
{
var type = valueToken.Value <string>();
var lines = new List <String>();
foreach (var valueLine in jsonInput["Value"])
{
lines.Add(valueLine.Value <string>());
}
var value = string.Join("\n", lines);
opProperties.InputValues[id] = Utilities.CreateValueFunction(ValueUtilities.CreateValue(type, value));
}
else
{
opProperties.InputValues[id] = metaInput.DefaultFunc;
}
foundMetaInputsList.Add(metaInput);
}
// extract inputs for which no values have been set, e.g. because the input was added later after creating the parent op
// for these inputs the default func is set
var inputsWithoutStoredInstanceValues = foundMetaInputsList.Except(metaOp.Inputs);
foreach (var input in inputsWithoutStoredInstanceValues)
{
opProperties.InputValues[input.ID] = input.DefaultFunc;
Logger.Debug("Added default value for new parameter {0} in Operator {1}", input.Name, input.ID.ToString());
}
foreach (var jsonState in jsonOp["States"])
{
var opPartId = Guid.Parse(jsonState.Value <string>("ID"));
var metaOpPart = metaOp.OperatorParts.First(opPartEntry => opPartEntry.Item1 == opPartId).Item2;
var stateType = metaOpPart.StateType;
var serializedState = jsonState.Value <JObject>("State");
var serializer = new JsonSerializer();
using (var reader = new StringReader(serializedState.ToString()))
{
var state = serializer.Deserialize(reader, stateType) as IOperatorPartState;
if (state != null)
{
opProperties.OperatorPartStates.Add(opPartId, state);
}
}
}
return(opProperties);
}
private Tuple <Guid, Tuple <MetaOperator, MetaOperator.InstanceProperties> > BuildMetaOperator(MetaManager metaManager, JToken jsonOp)
{
var metaInstanceID = Guid.Parse(jsonOp["MetaInstanceID"].Value <string>());
var metaOpID = Guid.Parse(jsonOp["MetaID"].Value <string>());
var metaOp = metaManager.GetMetaOperator(metaOpID);
if (metaOp == null)
{
return(Tuple.Create(metaInstanceID, (Tuple <MetaOperator, MetaOperator.InstanceProperties>)null));
}
var opProperties = BuildOperatorInstanceProperties(metaManager, metaOp, jsonOp["OperatorProperties"]);
return(Tuple.Create(metaInstanceID, Tuple.Create(metaOp, opProperties)));
}