public ResolvedAttributeSet Copy()
{
ResolvedAttributeSet copy = new ResolvedAttributeSet();
copy.AttributeContext = this.AttributeContext;
int l = this.Set.Count;
for (int i = 0; i < l; i++)
{
ResolvedAttribute sourceRa = this.Set[i];
ResolvedAttribute copyRa = sourceRa.Copy();
copy.Merge(copyRa);
}
// copy the ownership map. new map will point at old att lists, but we never update these lists, only make new ones, so all is well
if (this.AttributeOwnershipMap != null)
{
copy.AttributeOwnershipMap = new Dictionary <string, HashSet <string> >(this.AttributeOwnershipMap);
}
copy.DepthTraveled = this.DepthTraveled;
return(copy);
}
public ResolvedAttribute Copy()
{
ResolveOptions resOpt = this.ResolvedTraits.ResOpt; // use the options from the traits
ResolvedAttribute copy = new ResolvedAttribute(resOpt, this.Target, this._resolvedName, this.AttCtx)
{
ResolvedName = this.ResolvedName,
ResolvedAttributeCount = this.ResolvedAttributeCount,
ResolvedTraits = this.ResolvedTraits.ShallowCopy(),
InsertOrder = this.InsertOrder,
Arc = this.Arc
};
if (copy.Target is ResolvedAttributeSet)
{
// deep copy when set contains sets. this copies the resolved att set and the context, etc.
copy.Target = copy.Target.Copy();
}
if (ApplierState != null)
{
copy.ApplierState = ApplierState.Copy();
}
return(copy);
}
internal ResolvedAttributeSet Merge(ResolvedAttribute toMerge, CdmAttributeContext attCtx = null)
{
ResolvedAttributeSet rasResult = this;
if (toMerge != null)
{
// if there is already a resolve attribute present, remove it before adding the new attribute
if (rasResult.ResolvedName2resolvedAttribute.ContainsKey(toMerge.ResolvedName))
{
ResolvedAttribute existing = rasResult.ResolvedName2resolvedAttribute[toMerge.ResolvedName];
if (this.RefCnt > 1 && existing.Target != toMerge.Target)
{
rasResult = rasResult.Copy(); // copy on write
existing = rasResult.ResolvedName2resolvedAttribute[toMerge.ResolvedName];
}
else
{
rasResult = this;
}
if (existing.Target is CdmAttribute)
{
rasResult.ResolvedAttributeCount -= existing.Target.AttributeCount;
}
else if (existing.Target is ResolvedAttributeSet)
{
rasResult.ResolvedAttributeCount -= existing.Target.ResolvedAttributeCount;
}
if (toMerge.Target is CdmAttribute)
{
rasResult.ResolvedAttributeCount += toMerge.Target.AttributeCount;
}
else if (toMerge.Target is ResolvedAttributeSet)
{
rasResult.ResolvedAttributeCount += toMerge.Target.ResolvedAttributeCount;
}
existing.Target = toMerge.Target; // replace with newest version
existing.Arc = toMerge.Arc;
// remove old context mappings with mappings to new attribute
rasResult.RemoveCachedAttributeContext(existing.AttCtx);
ResolvedTraitSet rtsMerge = existing.ResolvedTraits.MergeSet(toMerge.ResolvedTraits); // newest one may replace
if (rtsMerge != existing.ResolvedTraits)
{
rasResult = rasResult.Copy(); // copy on write
existing = rasResult.ResolvedName2resolvedAttribute[toMerge.ResolvedName];
existing.ResolvedTraits = rtsMerge;
}
}
else
{
if (this.RefCnt > 1)
{
rasResult = rasResult.Copy(); // copy on write
}
if (rasResult == null)
{
rasResult = this;
}
rasResult.ResolvedName2resolvedAttribute.Add(toMerge.ResolvedName, toMerge);
// don't use the attCtx on the actual attribute, that's only for doing appliers
if (attCtx != null)
{
rasResult.CacheAttributeContext(attCtx, toMerge);
}
//toMerge.InsertOrder = rasResult.Set.Count;
rasResult.Set.Add(toMerge);
rasResult.ResolvedAttributeCount += toMerge.ResolvedAttributeCount;
}
this.BaseTrait2Attributes = null;
}
return(rasResult);
}
public ResolvedAttributeSet RemoveRequestedAtts(Marker marker)
{
int countIndex = marker.CountIndex;
int markIndex = marker.MarkIndex;
// for every attribute in the set run any attribute removers on the traits they have
ResolvedAttributeSet appliedAttSet = new ResolvedAttributeSet();
int l = this.Set.Count;
for (int iAtt = 0; iAtt < l; iAtt++)
{
ResolvedAttribute resAtt = this.Set[iAtt];
// possible for another set to be in this set
ResolvedAttributeSet subSet = resAtt.Target as ResolvedAttributeSet;
if (subSet?.Set != null)
{
// well, that happened. so now we go around again on this same function and get rid of things from this group
marker.CountIndex = countIndex;
marker.MarkIndex = markIndex;
ResolvedAttributeSet newSubSet = subSet.RemoveRequestedAtts(marker);
countIndex = marker.CountIndex;
markIndex = marker.MarkIndex;
// replace the set with the new one that came back
resAtt.Target = newSubSet;
// if everything went away, then remove this group
if (newSubSet?.Set == null || newSubSet.Set.Count == 0)
{
resAtt = null;
}
else
{
// don't count this as an attribute (later)
countIndex--;
}
}
else
{
// this is a good time to make the resolved names final
resAtt.previousResolvedName = resAtt.ResolvedName;
if (resAtt.Arc != null && resAtt.Arc.ApplierCaps != null && resAtt.Arc.ApplierCaps.CanRemove)
{
foreach (AttributeResolutionApplier apl in resAtt.Arc.ActionsRemove)
{
// this should look like the applier context when the att was created
ApplierContext ctx = new ApplierContext()
{
ResOpt = resAtt.Arc.ResOpt, ResAttSource = resAtt, ResGuide = resAtt.Arc.ResGuide
};
if (apl.WillRemove(ctx))
{
resAtt = null;
break;
}
}
}
}
if (resAtt != null)
{
// attribute remains
// are we building a new set?
if (appliedAttSet != null)
{
this.CopyAttCtxMappingsInto(appliedAttSet.Ra2attCtxSet, appliedAttSet.AttCtx2ra, resAtt);
appliedAttSet.Merge(resAtt);
}
countIndex++;
}
else
{
// remove the att
// if this is the first removed attribute, then make a copy of the set now
// after this point, the rest of the loop logic keeps the copy going as needed
if (appliedAttSet == null)
{
appliedAttSet = new ResolvedAttributeSet();
for (int iCopy = 0; iCopy < iAtt; iCopy++)
{
this.CopyAttCtxMappingsInto(appliedAttSet.Ra2attCtxSet, appliedAttSet.AttCtx2ra, this.Set[iCopy]);
appliedAttSet.Merge(this.Set[iCopy]);
}
}
// track deletes under the mark (move the mark up)
if (countIndex < markIndex)
{
markIndex--;
}
}
}
marker.CountIndex = countIndex;
marker.MarkIndex = markIndex;
// now we are that (or a copy)
ResolvedAttributeSet rasResult = this;
if (appliedAttSet != null && appliedAttSet.Size != rasResult.Size)
{
rasResult = appliedAttSet;
rasResult.BaseTrait2Attributes = null;
rasResult.AttributeContext = this.AttributeContext;
}
return(rasResult);
}
ResolvedAttributeSet Apply(ResolvedTraitSet traits, ResolveOptions resOpt, CdmAttributeResolutionGuidance resGuide, List <AttributeResolutionApplier> actions)
{
if (traits == null && actions.Count == 0)
{
// nothing can change
return(this);
}
// for every attribute in the set run any attribute appliers
ResolvedAttributeSet appliedAttSet = new ResolvedAttributeSet();
int l = this.Set.Count;
appliedAttSet.AttributeContext = this.AttributeContext;
// check to see if we need to make a copy of the attributes
// do this when building an attribute context and when we will modify the attributes (beyond traits)
// see if any of the appliers want to modify
bool makingCopy = false;
if (l > 0 && appliedAttSet.AttributeContext != null && actions != null && actions.Count > 0)
{
ResolvedAttribute resAttTest = this.Set[0];
foreach (AttributeResolutionApplier traitAction in actions)
{
ApplierContext ctx = new ApplierContext {
ResOpt = resOpt, ResAttSource = resAttTest, ResGuide = resGuide
};
if (traitAction.WillAttributeModify(ctx) == true)
{
makingCopy = true;
break;
}
}
}
if (makingCopy)
{
// fake up a generation round for these copies that are about to happen
AttributeContextParameters acp = new AttributeContextParameters
{
under = appliedAttSet.AttributeContext,
type = Enums.CdmAttributeContextType.GeneratedSet,
Name = "_generatedAttributeSet"
};
appliedAttSet.AttributeContext = CdmAttributeContext.CreateChildUnder(traits.ResOpt, acp);
acp = new AttributeContextParameters
{
under = appliedAttSet.AttributeContext,
type = Enums.CdmAttributeContextType.GeneratedRound,
Name = "_generatedAttributeRound0"
};
appliedAttSet.AttributeContext = CdmAttributeContext.CreateChildUnder(traits.ResOpt, acp);
}
for (int i = 0; i < l; i++)
{
ResolvedAttribute resAtt = this.Set[i];
CdmAttributeContext attCtxToMerge = null;
if (resAtt.Target is ResolvedAttributeSet subSet)
{
if (makingCopy)
{
resAtt = resAtt.Copy();
// making a copy of a subset (att group) also bring along the context tree for that whole group
attCtxToMerge = resAtt.AttCtx;
}
// the set contains another set. process those
resAtt.Target = subSet.Apply(traits, resOpt, resGuide, actions);
}
else
{
ResolvedTraitSet rtsMerge = resAtt.ResolvedTraits.MergeSet(traits);
resAtt.ResolvedTraits = rtsMerge;
if (actions != null)
{
foreach (AttributeResolutionApplier traitAction in actions)
{
ApplierContext ctx = new ApplierContext {
ResOpt = traits.ResOpt, ResAttSource = resAtt, ResGuide = resGuide
};
if (traitAction.WillAttributeModify(ctx) == true)
{
// make a context for this new copy
if (makingCopy)
{
AttributeContextParameters acp = new AttributeContextParameters
{
under = appliedAttSet.AttributeContext,
type = Enums.CdmAttributeContextType.AttributeDefinition,
Name = resAtt.ResolvedName,
Regarding = resAtt.Target
};
ctx.AttCtx = CdmAttributeContext.CreateChildUnder(traits.ResOpt, acp);
attCtxToMerge = ctx.AttCtx as CdmAttributeContext;
}
// make a copy of the resolved att
if (makingCopy)
{
resAtt = resAtt.Copy();
}
ctx.ResAttSource = resAtt;
// modify it
traitAction.DoAttributeModify(ctx);
}
}
}
}
appliedAttSet.Merge(resAtt, attCtxToMerge);
}
appliedAttSet.AttributeContext = this.AttributeContext;
if (!makingCopy)
{
// didn't copy the attributes or make any new context, so just take the old ones
appliedAttSet.Ra2attCtxSet = this.Ra2attCtxSet;
appliedAttSet.AttCtx2ra = this.AttCtx2ra;
}
return(appliedAttSet);
}
internal void CopyAttCtxMappingsInto(IDictionary <ResolvedAttribute, HashSet <CdmAttributeContext> > ra2attCtxSet, IDictionary <CdmAttributeContext, ResolvedAttribute> attCtx2ra, ResolvedAttribute sourceRa, ResolvedAttribute newRa = null)
{
if (this.Ra2attCtxSet.Count > 0)
{
if (newRa == null)
{
newRa = sourceRa;
}
// get the set of attribute contexts for the old resolved attribute
this.Ra2attCtxSet.TryGetValue(sourceRa, out HashSet <CdmAttributeContext> attCtxSet);
if (attCtxSet != null)
{
// map the new resolved attribute to the old context set
if (ra2attCtxSet.ContainsKey(newRa))
{
var currentSet = ra2attCtxSet[newRa];
currentSet.UnionWith(attCtxSet);
}
else
{
ra2attCtxSet.Add(newRa, attCtxSet);
}
// map the old contexts to the new resolved attribute
if (attCtxSet.Count > 0)
{
foreach (CdmAttributeContext attCtx in attCtxSet)
{
attCtx2ra[attCtx] = newRa;
}
}
}
}
}
public string FetchValueString(ResolveOptions resOpt)
{
if (this.Value == null)
{
return("");
}
if (this.Value is string || this.Value is JValue)
{
return((string)this.Value);
}
if (Value is CdmObject value)
{
CdmObjectDefinition def = value.FetchObjectDefinition <CdmObjectDefinition>(resOpt);
if (value.ObjectType == CdmObjectType.EntityRef && def?.ObjectType == CdmObjectType.ConstantEntityDef)
{
CdmEntityReference entShape = (def as CdmConstantEntityDefinition).EntityShape;
List <List <string> > entValues = (def as CdmConstantEntityDefinition).ConstantValues;
if (entValues == null || entValues?.Count == 0)
{
return("");
}
List <IDictionary <string, string> > rows = new List <IDictionary <string, string> >();
ResolvedAttributeSet shapeAtts = entShape.FetchResolvedAttributes(resOpt);
if (shapeAtts != null && shapeAtts.Set != null && shapeAtts.Set.Count > 0)
{
for (int r = 0; r < entValues.Count; r++)
{
List <string> rowData = entValues[r];
IDictionary <string, string> row = new SortedDictionary <string, string>(StringComparer.OrdinalIgnoreCase);
if (rowData?.Count > 0)
{
for (int c = 0; c < rowData.Count; c++)
{
string tvalue = rowData[c];
ResolvedAttribute colAtt = shapeAtts.Set[c];
if (colAtt != null)
{
row.Add(colAtt.ResolvedName, tvalue);
}
}
rows.Add(row);
}
}
}
return(JsonConvert.SerializeObject(rows, Formatting.None, new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore, ContractResolver = new CamelCasePropertyNamesContractResolver()
}));
}
dynamic data = value.CopyData(resOpt, new CopyOptions {
StringRefs = false
});
if (data is string)
{
return((string)data);
}
return(JsonConvert.SerializeObject(data, Formatting.None, new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore, ContractResolver = new CamelCasePropertyNamesContractResolver()
}));
}
return("");
}
internal ResolvedAttributeSet Merge(ResolvedAttribute toMerge)
{
ResolvedAttributeSet rasResult = this;
if (toMerge != null)
{
// if there is already a resolve attribute present, remove it before adding the new attribute
if (rasResult.ResolvedName2resolvedAttribute.ContainsKey(toMerge.ResolvedName))
{
ResolvedAttribute existing = rasResult.ResolvedName2resolvedAttribute[toMerge.ResolvedName];
if (existing != toMerge)
{
if (this.RefCnt > 1 && existing.Target != toMerge.Target)
{
rasResult = rasResult.Copy(); // copy on write
existing = rasResult.ResolvedName2resolvedAttribute[toMerge.ResolvedName];
}
else
{
rasResult = this;
}
if (existing.Target is CdmAttribute)
{
rasResult.ResolvedAttributeCount -= existing.Target.AttributeCount;
}
else if (existing.Target is ResolvedAttributeSet)
{
rasResult.ResolvedAttributeCount -= existing.Target.ResolvedAttributeCount;
}
if (toMerge.Target is CdmAttribute)
{
rasResult.ResolvedAttributeCount += toMerge.Target.AttributeCount;
}
else if (toMerge.Target is ResolvedAttributeSet)
{
rasResult.ResolvedAttributeCount += toMerge.Target.ResolvedAttributeCount;
}
existing.Target = toMerge.Target; // replace with newest version
existing.Arc = toMerge.Arc;
// merge a new ra into one with the same name, so make a lineage
// the existing attCtx becomes the new lineage. but the old one needs to stay too... so you get both. it came from both places.
// we need ONE place where this RA can point, so that will be the most recent place with a fixed lineage
// A->C1->C0 gets merged with A'->C2->C3 that turns into A->C2->[(c3), (C1->C0)]. in the more simple case this is just A->C2->C1
if (toMerge.AttCtx != null)
{
if (existing.AttCtx != null)
{
toMerge.AttCtx.AddLineage(existing.AttCtx);
}
existing.AttCtx = toMerge.AttCtx;
}
ResolvedTraitSet rtsMerge = existing.ResolvedTraits.MergeSet(toMerge.ResolvedTraits); // newest one may replace
if (rtsMerge != existing.ResolvedTraits)
{
rasResult = rasResult.Copy(); // copy on write
existing = rasResult.ResolvedName2resolvedAttribute[toMerge.ResolvedName];
existing.ResolvedTraits = rtsMerge;
}
}
}
else
{
if (this.RefCnt > 1)
{
rasResult = rasResult.Copy(); // copy on write
}
if (rasResult == null)
{
rasResult = this;
}
rasResult.ResolvedName2resolvedAttribute.Add(toMerge.ResolvedName, toMerge);
//toMerge.InsertOrder = rasResult.Set.Count;
rasResult.Set.Add(toMerge);
rasResult.ResolvedAttributeCount += toMerge.ResolvedAttributeCount;
}
this.BaseTrait2Attributes = null;
}
return(rasResult);
}
