private void ConvertSpanPath(
ObjectFullSpanRewriter.SpanPathInfo parentInfo,
List <string> navPropNames,
int pos)
{
NavigationProperty index = (NavigationProperty)null;
if (!parentInfo.DeclaringType.NavigationProperties.TryGetValue(navPropNames[pos], true, out index))
{
throw new InvalidOperationException(Strings.ObjectQuery_Span_NoNavProp((object)parentInfo.DeclaringType.FullName, (object)navPropNames[pos]));
}
if (parentInfo.Children == null)
{
parentInfo.Children = new Dictionary <NavigationProperty, ObjectFullSpanRewriter.SpanPathInfo>();
}
ObjectFullSpanRewriter.SpanPathInfo parentInfo1 = (ObjectFullSpanRewriter.SpanPathInfo)null;
if (!parentInfo.Children.TryGetValue(index, out parentInfo1))
{
parentInfo1 = new ObjectFullSpanRewriter.SpanPathInfo(ObjectFullSpanRewriter.EntityTypeFromResultType(index));
parentInfo.Children[index] = parentInfo1;
}
if (pos >= navPropNames.Count - 1)
{
return;
}
this.ConvertSpanPath(parentInfo1, navPropNames, pos + 1);
}
internal override ObjectSpanRewriter.SpanTrackingInfo CreateEntitySpanTrackingInfo(
DbExpression expression,
EntityType entityType)
{
ObjectSpanRewriter.SpanTrackingInfo spanTrackingInfo = new ObjectSpanRewriter.SpanTrackingInfo();
ObjectFullSpanRewriter.SpanPathInfo spanPathInfo = this._currentSpanPath.Peek();
if (spanPathInfo.Children != null)
{
int index = 1;
foreach (KeyValuePair <NavigationProperty, ObjectFullSpanRewriter.SpanPathInfo> child in spanPathInfo.Children)
{
if (spanTrackingInfo.ColumnDefinitions == null)
{
spanTrackingInfo = this.InitializeTrackingInfo(this.RelationshipSpan);
}
DbExpression expression1 = (DbExpression)expression.Property(child.Key);
this._currentSpanPath.Push(child.Value);
DbExpression dbExpression = this.Rewrite(expression1);
this._currentSpanPath.Pop();
spanTrackingInfo.ColumnDefinitions.Add(new KeyValuePair <string, DbExpression>(spanTrackingInfo.ColumnNames.Next(), dbExpression));
AssociationEndMember propertyTargetEnd = this.GetNavigationPropertyTargetEnd(child.Key);
spanTrackingInfo.SpannedColumns[index] = propertyTargetEnd;
if (this.RelationshipSpan)
{
spanTrackingInfo.FullSpannedEnds[propertyTargetEnd] = true;
}
++index;
}
}
return(spanTrackingInfo);
}
internal ObjectFullSpanRewriter(
DbCommandTree tree,
DbExpression toRewrite,
Span span,
AliasGenerator aliasGenerator)
: base(tree, toRewrite, aliasGenerator)
{
EntityType entityType = (EntityType)null;
if (!ObjectFullSpanRewriter.TryGetEntityType(this.Query.ResultType, out entityType))
{
throw new InvalidOperationException(Strings.ObjectQuery_Span_IncludeRequiresEntityOrEntityCollection);
}
ObjectFullSpanRewriter.SpanPathInfo parentInfo = new ObjectFullSpanRewriter.SpanPathInfo(entityType);
foreach (Span.SpanPath span1 in span.SpanList)
{
this.AddSpanPath(parentInfo, span1.Navigations);
}
this._currentSpanPath.Push(parentInfo);
}
private void AddSpanPath(
ObjectFullSpanRewriter.SpanPathInfo parentInfo,
List <string> navPropNames)
{
this.ConvertSpanPath(parentInfo, navPropNames, 0);
}
