public EdgeResult EvaluateCondition(IMapElement mapElement)
{
if (Condition == null)
{
/// As we weren't given a Condition we want this to be ignored so other results aren't dirtied.
return(new EdgeResult()
{
IsEdge = null, IsIncluded = false
});
}
if (mapElement is Node && Condition.EdgeElement == EdgeElementType.Relationship)
{
// If the mapElement type doesn't match the condition type then ignore this condition.
return(new EdgeResult()
{
IsEdge = null, IsIncluded = false
});
}
else if (mapElement is Relationship && Condition.EdgeElement == EdgeElementType.Node)
{
// If the mapElement type doesn't match the condition type then ignore this condition.
return(new EdgeResult()
{
IsEdge = null, IsIncluded = false
});
}
else if (!(mapElement is Node) && !(mapElement is Relationship))
{
// If the mapElement isn't a known type then ignore this condition.
return(new EdgeResult()
{
IsEdge = null, IsIncluded = false
});
}
bool isEdge = false;
switch (Condition.EdgeComponent)
{
case EdgeComponentType.Id:
isEdge = !mapElement.Id.Equals(Condition.ComponentValue);
break;
case EdgeComponentType.OriginalId:
isEdge = !mapElement.OriginalId.Equals(Condition.ComponentValue);
break;
case EdgeComponentType.Type:
isEdge = !mapElement.TypeId.Equals(Condition.ComponentValue);
break;
case EdgeComponentType.Metadata:
MetadataEdgeConditionTest metadataCondition = Condition as MetadataEdgeConditionTest;
if (metadataCondition != null)
{
IEnumerable <KeyValuePair <MetadataContext, Metadata> > matchingMetadata = mapElement.Metadata.Where(item => item.Value.MetadataName.Equals(metadataCondition.MetadataName) == item.Value.MetadataValue.Equals(metadataCondition.ComponentValue));
isEdge = (matchingMetadata.Count() == 0);
}
else
{
isEdge = false;
}
break;
default:
isEdge = false;
break;
}
return(new EdgeResult()
{
IsEdge = isEdge, IsIncluded = Condition.IsIncluded
});
}
