private int FindCreateLinkType(LinkType linkType)
{
using (RuntimeEntityModel context = RuntimeEntityModel.CreateInstance())
{
int rtArtifactTypeSourceId = FindCreateArtifactType(linkType.SourceArtifactType);
int rtArtifactTypeTargetId = FindCreateArtifactType(linkType.TargetArtifactType);
var linkTypeQuery = from t in context.RTLinkTypeSet
where t.DisplayName.Equals(linkType.FriendlyName) &&
t.ReferenceName.Equals(linkType.ReferenceName) &&
t.SourceArtifactType.Id == rtArtifactTypeSourceId &&
t.TargetArtifactType.Id == rtArtifactTypeTargetId
select t;
if (linkTypeQuery.Count() > 0)
{
return(linkTypeQuery.First().Id);
}
var serializer = new GenericSerializer <ExtendedLinkProperties>();
string extendedProperty =
serializer.Serialize(linkType.ExtendedProperties ??
new ExtendedLinkProperties(ExtendedLinkProperties.Topology.Network));
var rtArtifactTypeSource = context.RTArtifactTypeSet.Where(sAT => sAT.Id == rtArtifactTypeSourceId).First();
Debug.Assert(null != rtArtifactTypeSource);
var rtArtifactTypeTarget = context.RTArtifactTypeSet.Where(tAT => tAT.Id == rtArtifactTypeTargetId).First();
Debug.Assert(null != rtArtifactTypeTarget);
RTLinkType rtLinkType = RTLinkType.CreateRTLinkType(0, linkType.ReferenceName, linkType.FriendlyName);
rtLinkType.SourceArtifactType = rtArtifactTypeSource;
rtLinkType.TargetArtifactType = rtArtifactTypeTarget;
rtLinkType.ExtendedProperty = extendedProperty;
context.AddToRTLinkTypeSet(rtLinkType);
context.TrySaveChanges();
return(rtLinkType.Id);
}
}
