private bool IsRelationshipValid([NotNull] IModelRelationship relationship)
{
var sourceNode = GetNode(relationship.Source);
var targetNode = GetNode(relationship.Target);
return(_modelRuleProviders?.All(i => i.IsRelationshipTypeValid(relationship.Stereotype, sourceNode, targetNode)) == true);
}
///-------------------------------------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the <see cref="AddRelationshipCommand" /> class.
/// </summary>
/// <param name="relationship">
/// The relationship.
/// </param>
/// <param name="version">
/// (Optional) the version.
/// </param>
///-------------------------------------------------------------------------------------------------
internal AddRelationshipCommand(IModelRelationship relationship, long?version = null)
: this(relationship.SchemaInfo as ISchemaRelationship, relationship.Start, relationship.End, relationship.Id, version)
{
Contract.Requires(relationship, "relationship");
_element = relationship;
}
protected static bool DiagramConnectorWouldBeRedundant(IModelRelationship modelRelationship, IDiagram diagram)
{
return(diagram.PathExists(
diagram.TryGetNode(modelRelationship.Source).Select(i => i.Id),
diagram.TryGetNode(modelRelationship.Target).Select(i => i.Id),
modelRelationship.Stereotype));
}
///-------------------------------------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the <see cref="RemoveRelationshipCommand" /> class.
/// </summary>
/// <param name="relationship">
/// The relationship.
/// </param>
/// <param name="version">
/// (Optional) the version.
/// </param>
///-------------------------------------------------------------------------------------------------
public RemoveRelationshipCommand(IModelRelationship relationship, long?version = null)
: base(relationship.DomainModel, version)
{
Contract.Requires(relationship, "relationship");
Relationship = relationship;
_startId = Relationship.Start.Id;
}
private static bool IsMatchPropertyName(IModelRelationship relationship, string propertyName)
{
// TODO a reprendre completement pour utiliser
// relationship.SchemaRelationship.StartPropertyName ou end
var name = relationship.Id.Key;
if (String.Compare(name, propertyName, StringComparison.Ordinal) == 0)
{
return(true);
}
var sourceName = Types.SplitFullName(relationship.Start.Id.Key).Item2;
if (name.StartsWith(sourceName, StringComparison.Ordinal))
{
name = name.Substring(sourceName.Length);
var cases = new[] { "Has" + propertyName, "References" + propertyName, propertyName };
if (cases.Any(c => String.Compare(name, c, StringComparison.Ordinal) == 0))
{
return(true);
}
}
return(false);
}
// Création d'une référence 0..1 à partir de l'élément courant ou vers l'élement courant si opposite vaut true
internal void SetReference(ref Identity relationshipId, ISchemaRelationship relationshipSchema, IModelElement target, bool opposite)
{
DebugContract.Requires(relationshipSchema, "relationshipMetadata");
using (var session = EnsuresRunInSession())
{
var commands = new List <IDomainCommand>();
IModelRelationship relationship = null;
// !opposite ? this -> target : target -> this
IModelElement start = !opposite ? this : null;
IModelElement end = !opposite ? null : this;
// Si l'identifiant est fourni c'est que la relation existe surement dèjà
if (relationshipId != null)
{
relationship = DomainModel.GetRelationship(relationshipId);
}
if (relationship == null)
{
relationship = DomainModel.GetRelationships(relationshipSchema, start, end).FirstOrDefault();
}
start = !opposite ? this : target;
end = !opposite ? target : this;
// Si cette relation existe dèjà mais sur un autre élement, on la supprime
if (relationship != null)
{
// Si elle existe sur le même élement, c'est bon on la conserve
if (end != null && relationship.End.Id == end.Id && start != null && relationship.Start.Id == start.Id)
{
relationshipId = relationship.Id;
return;
}
// Suppression car elle pointe sur un élement diffèrent
commands.Add(new RemoveRelationshipCommand(relationship));
}
relationship = null;
relationshipId = null;
// Si elle n'a pas été mise à null
if (end != null && start != null)
{
relationshipId = DomainModel.IdGenerator.NextValue(relationshipSchema);
commands.Add(new AddRelationshipCommand(relationshipSchema, start, end, relationshipId));
}
Session.Current.Execute(commands.ToArray());
if (session != null)
{
session.AcceptChanges();
}
}
}
public void AddRelationship(IModelRelationship relationship)
{
lock (ModelUpdateLockObject)
{
Model = Model.AddRelationship(relationship);
ModelChanged?.Invoke(new ModelRelationshipAddedEvent(Model, relationship));
}
}
public DiagramConnector(
IModelRelationship relationship,
ModelNodeId source,
ModelNodeId target,
ConnectorType connectorType)
: this(relationship, source, target, connectorType, Route.Empty)
{
}
private IEnumerable <ModelEventBase> AddRelationshipCore([NotNull] IModelRelationship relationship)
{
lock (ModelUpdateLockObject)
{
Model = Model.AddRelationship(relationship);
yield return(new ModelRelationshipAddedEvent(Model, relationship));
}
}
private static IModelGraph AddRelationshipCore(
[NotNull] IModelRelationship relationship,
[NotNull] IModelGraph modelGraph,
[NotNull][ItemNotNull] ICollection <ModelItemEventBase> itemEvents)
{
itemEvents.Add(new ModelRelationshipAddedEvent(relationship));
return(modelGraph.AddEdge(relationship));
}
protected void AddDiagramConnectorIfNotExists(IModelRelationship modelRelationship, IDiagram diagram)
{
if (diagram.ConnectorExists(modelRelationship.Id))
{
return;
}
DiagramService.AddConnector(modelRelationship.Id);
}
private bool IsSymbolPairMatchingRelationship(RelatedSymbolPair symbolPair, [NotNull] IModelRelationship relationship)
{
var sourceNode = LatestModel.TryGetNode(relationship.Source).Value;
var targetNode = LatestModel.TryGetNode(relationship.Target).Value;
return(relationship.Stereotype == symbolPair.Stereotype &&
_symbolEqualityComparer.Equals((ISymbol)sourceNode.Payload, symbolPair.SourceSymbol) &&
_symbolEqualityComparer.Equals((ISymbol)targetNode.Payload, symbolPair.TargetSymbol));
}
public DiagramConnector(IModelRelationship relationship, IDiagramNode source, IDiagramNode target,
ConnectorType connectorType, Route route)
{
ModelRelationship = relationship ?? throw new ArgumentNullException(nameof(relationship));
Source = source ?? throw new ArgumentNullException(nameof(source));
Target = target ?? throw new ArgumentNullException(nameof(target));
ConnectorType = connectorType ?? throw new ArgumentNullException(nameof(connectorType));
Route = route;
}
public DiagramConnector(
[NotNull] IModelRelationship relationship,
ConnectorType connectorType,
Route route)
{
ModelRelationship = relationship;
ConnectorType = connectorType;
Route = route;
}
private void ShowContainment([NotNull] IModelRelationship addedRelationship)
{
var diagram = DiagramService.LatestDiagram;
if (diagram.NodeExists(addedRelationship.Source) && diagram.NodeExists(addedRelationship.Target))
{
DiagramService.UpdateParent(addedRelationship.Target, addedRelationship.Source);
}
}
private void RemoveDiagramConnector(IModelRelationship modelRelationship)
{
var edgeRemoved = _graph.RemoveEdge(i => i.ModelRelationship.Equals(modelRelationship));
if (edgeRemoved)
{
ShowModelRelationshipsIfBothEndsAreVisible(modelRelationship.Source);
ShowModelRelationshipsIfBothEndsAreVisible(modelRelationship.Target);
}
}
private IEnumerable <ModelEventBase> AddRelationshipCore([NotNull] IModelRelationship relationship)
{
if (!IsRelationshipValid(relationship))
{
throw new ArgumentException($"{relationship} is invalid.");
}
LatestModel = LatestModel.AddRelationship(relationship);
yield return(new ModelRelationshipAddedEvent(LatestModel, relationship));
}
protected static bool DiagramConnectorWouldBeRedundant(IModelRelationship modelRelationship, IDiagram diagram)
{
if (diagram.TryGetNode(modelRelationship.Source.Id, out IDiagramNode sourceNode) &&
diagram.TryGetNode(modelRelationship.Target.Id, out IDiagramNode targetNode))
{
return(diagram.PathExists(sourceNode.Id, targetNode.Id));
}
return(false);
}
protected void AddDiagramConnectorIfNotExists(IModelRelationship modelRelationship, IDiagram diagram)
{
if (diagram.ConnectorExists(modelRelationship.Id))
{
return;
}
// TODO
//DiagramService.ShowModelRelationship(modelRelationship);
}
private bool DiagramConnectorWouldBeRedundant(IModelRelationship modelRelationship)
{
lock (_graph.SyncRoot)
{
var sourceNode = FindDiagramNode(modelRelationship.Source);
var targetNode = FindDiagramNode(modelRelationship.Target);
var paths = _graph.GetShortestPaths(sourceNode, targetNode, 1).ToList();
return(paths.Any());
}
}
private DiagramConnector CreateDiagramConnector(IModelRelationship relationship)
{
var sourceNode = FindDiagramNode(relationship.Source);
var targetNode = FindDiagramNode(relationship.Target);
var diagramConnector = new DiagramConnector(relationship, sourceNode, targetNode);
diagramConnector.RouteChanged += OnDiagramConnectorRouteChanged;
return(diagramConnector);
}
public static void ShouldMatch(
[NotNull] this IModelRelationship relationship,
ModelNodeId expectedSourceId,
ModelNodeId expectedTargetId,
ModelRelationshipStereotype expectedStereotype)
{
relationship.Stereotype.Should().Be(expectedStereotype);
relationship.Source.Should().Be(expectedSourceId);
relationship.Target.Should().Be(expectedTargetId);
}
public DiagramConnector(
[NotNull] IModelRelationship relationship,
ConnectorType connectorType,
Route route)
{
ModelRelationship = relationship;
ConnectorType = connectorType;
Route = route;
ShapeId = relationship.Id.ToShapeId();
AbsoluteRect = route.ToRect();
}
protected void ShowModelRelationshipIfBothEndsAreVisible(IModelRelationship modelRelationship, IDiagram diagram)
{
var shouldShowModelRelationship =
modelRelationship.Stereotype != ModelRelationshipStereotype.Containment &&
diagram.NodeExists(modelRelationship.Source) &&
diagram.NodeExists(modelRelationship.Target) &&
!DiagramConnectorWouldBeRedundant(modelRelationship, diagram);
if (shouldShowModelRelationship)
{
AddDiagramConnectorIfNotExists(modelRelationship, diagram);
}
}
private bool ShouldSerialize(IModelRelationship rel)
{
if (HasOption(JSonSerializationOption.SerializeGraphObject))
{
_elements.Enqueue(rel.End);
if (HasOption(JSonSerializationOption.SerializeRelationship))
{
_elements.Enqueue(rel);
}
return(true);
}
return(_toSerialize.Contains(rel));
}
private static (IModelGraph, ImmutableDictionary <object, IModelRelationship> payloadToModelRelationshipMap) AddRelationshipCore(
[NotNull] IModelRelationship relationship,
[NotNull] IModelGraph modelGraph,
[NotNull] ImmutableDictionary <object, IModelRelationship> payloadToModelRelationshipMap,
[NotNull][ItemNotNull] ICollection <ModelItemEventBase> itemEvents)
{
itemEvents.Add(new ModelRelationshipAddedEvent(relationship));
return(
modelGraph.AddEdge(relationship),
relationship.Payload == null
? payloadToModelRelationshipMap
: payloadToModelRelationshipMap.Add(relationship.Payload, relationship)
);
}
public DiagramConnector(IModelRelationship relationship, DiagramNode source, DiagramNode target)
: base(relationship)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
Source = source;
Target = target;
}
private void ShowModelRelationshipIfBothEndsAreVisible(IModelRelationship modelRelationship)
{
bool shouldShowModelRelationsip;
lock (_graph.SyncRoot)
{
shouldShowModelRelationsip =
DiagramNodeExists(modelRelationship.Source) &&
DiagramNodeExists(modelRelationship.Target) &&
!DiagramConnectorWouldBeRedundant(modelRelationship);
}
if (shouldShowModelRelationsip)
{
GetOrAddDiagramConnector(modelRelationship);
}
}
internal IModelElement GetReference(ref Identity relationshipId, ISchemaRelationship relationshipSchema, bool isOpposite)
{
DebugContract.Requires(relationshipSchema, "relationshipSchema");
var propertyName = isOpposite ? relationshipSchema.EndPropertyName : relationshipSchema.StartPropertyName;
SetCalculatedPropertySource(propertyName);
IModelRelationship relationship = null;
if (relationshipId != null)
{
relationship = DomainModel.GetRelationship(relationshipId);
}
if (relationship == null)
{
var start = isOpposite ? null : this;
var end = isOpposite ? this : null;
relationship = DomainModel.GetRelationships(relationshipSchema, start, end).FirstOrDefault();
}
if (relationship != null)
{
relationshipId = relationship.Id;
var opposite = isOpposite ? relationship.Start : relationship.End;
if (opposite != null)
{
var mel = _store.GetElement(opposite.Id);
if (mel == null)
{
throw new InvalidElementException(opposite.Id, ExceptionMessages.InvalidReference);
}
return(mel);
}
return(opposite);
}
relationshipId = null;
return(null);
}
private void ReadRelationships()
{
if (_reader.LocalName == "relationships")
{
string elem = ReadNextElement();
while (elem == "relationship")
{
var id = ReadId("id");
var deleted = ReadAttribute("deleted", false);
if (deleted == "true")
{
var cmd = new Hyperstore.Modeling.Commands.RemoveRelationshipCommand(_domain, id, false);
Session.Current.Execute(cmd);
elem = ReadNextElement();
continue;
}
var metadata = ReadAttribute("schema");
var schema = GetSchemaFromMoniker(metadata) as ISchemaRelationship;
if (schema == null)
{
throw new MetadataNotFoundException(String.Format("Invalid metadata {0} for relationship {1}", metadata, id));
}
var startId = ReadId("start");
var endId = ReadId("end");
IModelRelationship entity = null;
if (_allowElementOverriding)
{
entity = _domain.GetRelationship(id);
}
if (entity == null)
{
entity = _domain.CreateRelationship(schema, startId, endId, id);
}
elem = ReadProperties(entity, schema);
}
}
}