public static NamedConnection GetConnection(this IDictionary <ConnectionName, NamedConnection> connections, ConnectionName connectionName, IConnectedElement owner)
{
if (connections.TryGetValue(connectionName, out var namedConnection))
{
return(namedConnection);
}
namedConnection = new NamedConnection(connectionName, owner);
connections[connectionName] = namedConnection;
return(namedConnection);
}
public void ApplyConnection(string id, NamedConnection connection)
{
IList <NamedConnection> existing;
if (!connections.TryGetValue(id, out existing))
{
connections.Add(id, new List <NamedConnection>
{
connection
});
return;
}
foreach (var c in existing)
{
connection.ConnectTo(c);
}
existing.Add(connection);
}
protected Task WaitFor(NamedConnection connection, ushort messageId, CommandMessage mustBeType)
{
ManualResetEvent available = new ManualResetEvent(false);
Action <MqttCommand> ready = (cmd) =>
{
if (cmd.CommandMessage != mustBeType)
{
throw new ProtocolException(
string.Format("ERROR: Expected {0} for message ID {1} but received {2}",
mustBeType, messageId, cmd.CommandMessage));
}
available.Set();
};
return(Task.Factory.StartNew(() =>
{
connection.Desire(messageId, ready);
available.WaitOne();
}, TaskCreationOptions.LongRunning));
}
private PartialProcessOperation PrepareOutputOperation(Process process, NamedConnection output)
{
var partial = new PartialProcessOperation(process);
partial.Register(new FilterOutputOperation(output.ShouldRun)
{
EntityName = _entity.Name
});
if (output.Connection.Type == ProviderType.Internal)
{
partial.Register(_collectors[output.Name]);
}
else
{
if (Process.IsFirstRun || !_entity.DetectChanges)
{
partial.Register(new EntityAddTflFields(process, _entity));
partial.Register(output.Connection.Insert(process, _entity));
}
else
{
partial.Register(new EntityJoinAction(process, _entity).Right(output.Connection.ExtractCorrespondingKeysFromOutput(_entity)));
var branch = new BranchingOperation()
.Add(new PartialProcessOperation(process)
.Register(new EntityActionFilter(process, _entity, EntityAction.Insert))
.Register(output.Connection.Insert(process, _entity)))
.Add(new PartialProcessOperation(process)
.Register(new EntityActionFilter(process, _entity, EntityAction.Update))
.Register(output.Connection.Update(_entity)));
partial.Register(branch);
}
}
return(partial);
}
public static bool IsConnectedTo(this NamedConnection connection, NamedConnection other)
{
return(connection == other || connection.ConnectedTo.Contains(other));
}
protected override void Initialize()
{
Register(new EntityKeysPartial(_process, _entity));
if (_entity.Input.Count == 1)
{
Register(_entity.Input.First().Connection.Extract(_process, _entity, _process.IsFirstRun));
}
else
{
var union = new ParallelUnionAllOperation();
foreach (var input in _entity.Input)
{
union.Add(input.Connection.Extract(_process, _entity, Process.IsFirstRun));
}
Register(union);
}
if (!_entity.Sampled && _entity.Sample > 0m && _entity.Sample < 100m)
{
Register(new SampleOperation(_entity.Sample)
{
EntityName = _entity.Name
});
}
Register(new ApplyDefaults(true, new Fields(_entity.Fields, _entity.CalculatedFields))
{
EntityName = _entity.Name
});
foreach (var transform in _entity.OperationsBeforeAggregation)
{
Register(transform);
}
if (_entity.HasSort())
{
Register(new SortOperation(_entity)
{
EntityName = _entity.Name
});
}
if (_entity.Group)
{
Register(new EntityAggregation(_entity));
}
foreach (var transform in _entity.OperationsAfterAggregation)
{
Register(transform);
}
Register(new TruncateOperation(_entity.Name, _entity.Fields, _entity.CalculatedFields));
var standardOutput = new NamedConnection {
Connection = _process.OutputConnection, Name = STANDARD_OUTPUT
};
if (_entity.Output.Count > 0)
{
var branch = new BranchingOperation()
.Add(PrepareOutputOperation(_process, standardOutput));
foreach (var output in _entity.Output)
{
_collectors[output.Name] = new CollectorOperation();
branch.Add(PrepareOutputOperation(_process, output));
}
Register(branch);
}
else
{
Register(PrepareOutputOperation(_process, standardOutput));
}
}
public PingReceived(MqttCommand cmd, NamedConnection connection)
{
_command = cmd;
_connection = connection;
}
public UnsubscribeReceived(MqttCommand cmd, NamedConnection connection)
{
_command = cmd;
_connection = connection;
}
public PublishReceive(MqttCommand cmd, NamedConnection connection)
{
_command = cmd;
_connection = connection;
}
public void ReadElements(CircuitDiagramDocument document,
XElement elements,
ReaderContext context)
{
var components = from el in elements.Descendants()
where el.Name == Ns.Document + "c"
select el;
foreach (var componentElement in components)
{
var typeAttr = componentElement.Attribute("tp");
if (typeAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, componentElement, "tp");
continue;
}
var componentType = context.GetComponentType(ParseType(typeAttr.Value));
if (componentType == null)
{
context.Log(ReaderErrorCodes.UnknownComponentType, typeAttr, typeAttr.Value);
continue;
}
Component component;
if (componentElement.Attribute("x") != null)
{
component = new PositionalComponent(componentType, new LayoutInformation());
// Layout
ReadLayout((PositionalComponent)component, componentElement, context);
}
else
{
component = new Component(componentType);
}
// Properties
var propertiesElement = componentElement.Elements(Ns.Document + "prs").SingleOrDefault();
var properties = propertiesElement != null
? from el in propertiesElement.Elements()
where el.Name == Ns.Document + "p"
select el
: new XElement[0];
foreach (var propertyElement in properties)
{
var keyAttr = propertyElement.Attribute("k");
if (keyAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, propertyElement, "k");
continue;
}
var valueAttr = propertyElement.Attribute("v");
if (valueAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, propertyElement, "v");
continue;
}
component.Properties[keyAttr.Value] = PropertyValue.Dynamic(valueAttr.Value);
}
// Connections
var connectionsElement = componentElement.Elements(Ns.Document + "cns").SingleOrDefault();
var connections = connectionsElement != null
? from el in connectionsElement.Elements()
where el.Name == Ns.Document + "cn"
select el
: new XElement[0];
foreach (var connectionElement in connections)
{
var idAttr = connectionElement.Attribute("id");
if (idAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, connectionElement, "id");
continue;
}
var pointAttr = connectionElement.Attribute("pt");
if (pointAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, connectionElement, "pt");
continue;
}
var namedConnection = component.Connections.FirstOrDefault(x => x.Value.Name.Value == pointAttr.Value).Value;
if (namedConnection == null)
{
// Connection not defined on component (loading without a component description)
var connectionName = new ConnectionName(pointAttr.Value);
namedConnection = new NamedConnection(connectionName, component, idAttr.Value);
component.Connections[connectionName] = namedConnection;
}
context.ApplyConnection(idAttr.Value, namedConnection);
}
document.Elements.Add(component);
}
var wires = from el in elements.Elements()
where el.Name == Ns.Document + "w"
select el;
foreach (var wireElement in wires)
{
var wire = new Wire(new LayoutInformation());
ReadLayout(wire, wireElement, context);
document.Elements.Add(wire);
}
}
