public void GetOrAddRelationship_IsThreadSafe()
{
const int repeat = 100;
var model = new Model();
var sourceEntity = model.GetOrAddEntity(i => true, () => new TestModelEntity());
for (int i = 0; i < repeat; i++)
{
var testModelEntity = new TestModelEntity(i.ToString());
model.GetOrAddEntity(testModelEntity);
}
var relationshipType = new ModelRelationshipType(ModelRelationshipClassifier.Generalization, ModelRelationshipStereotype.None);
var tasks = new List <Task>
{
Task.Run(() => GetOrAddRelationship(model, sourceEntity, relationshipType, repeat)),
Task.Run(() => GetOrAddRelationship(model, sourceEntity, relationshipType, repeat)),
Task.Run(() => GetOrAddRelationship(model, sourceEntity, relationshipType, repeat)),
};
Task.WaitAll(tasks.ToArray());
model.Relationships.Count.ShouldBeEquivalentTo(repeat);
}
private static void GetOrAddRelationship(Model model, IModelEntity sourceEntity, ModelRelationshipType relationshipType, int repeat)
{
var targetEntities = model.Entities.Except(sourceEntity.ToEnumerable()).ToArray();
for (int i = 0; i < repeat; i++)
{
var relationship = model.GetOrAddRelationship(sourceEntity, targetEntities[i], relationshipType);
if (relationship == null)
{
throw new Exception("Relationship is null.");
}
}
}
public EntityRelationType(string name, ModelRelationshipType type, EntityRelationDirection direction)
{
Name = name;
Type = type;
Direction = direction;
}
public virtual ModelRelationship GetOrAddRelationship(IModelEntity sourceEntity, IModelEntity targetEntity, ModelRelationshipType relationType)
{
var relationship = new ModelRelationship(sourceEntity, targetEntity, relationType);
return(this.GetOrAddRelationship(relationship));
}
public ModelRelationship(IModelEntity source, IModelEntity target, ModelRelationshipType type)
: this(source, target, type.Classifier, type.Stereotype)
{
}
public virtual ConnectorType GetConnectorType(ModelRelationshipType type) => ConnectorTypes.Generalization;
public override ConnectorType GetConnectorType(ModelRelationshipType type)
{
return(type.Stereotype == ModelRelationshipStereotypes.Implementation
? RoslynBasedConnectorTypes.Implementation
: ConnectorTypes.Generalization);
}
public bool Equals(ModelRelationshipType other)
{
return(Classifier == other.Classifier && Stereotype.Equals(other.Stereotype));
}