public Edge([NotNull] IGraphEntity sourceGraphEntity, [NotNull] IGraphEntity targetGraphEntity,
IEnumerable <IGraphSerializable>?attributes = null)
: base($"{sourceGraphEntity.GraphId}::{targetGraphEntity.GraphId}")
{
_sourceGraphEntity = sourceGraphEntity;
_targetGraphEntity = targetGraphEntity;
_attributes = attributes ?? new IGraphSerializable[0];
}
private IGraphEntity LoadGraphEntity(string propertyName, JToken record, Dictionary <string, object> itemproperties,
Type propertyType)
{
IGraphEntity graphEntity = null;
var entityPropertyNames = new EntityReturnColumns(propertyName);
AssertNecesaryColumnForType(entityPropertyNames.IdPropertyName, typeof(IGraphEntity));
var recordIsArray = record.GetType().IsAssignableFrom(typeof(JArray));
var entityId = recordIsArray
? record[_propertyCache[entityPropertyNames.IdPropertyName]].Value <long>() :
record["row"][_propertyCache[entityPropertyNames.IdPropertyName]].Value <long>();
if (_cache.Contains(entityId, propertyType))
{
graphEntity = _cache.GetEntity(entityId, propertyType);
}
else
{
itemproperties.Add("id", entityId);
AssertNecesaryColumnForType(entityPropertyNames.PropertiesPropertyName, typeof(IGraphEntity));
var entityProperties =
recordIsArray
? record[_propertyCache[entityPropertyNames.PropertiesPropertyName]]
.ToObject <Dictionary <string, object> >() :
record["row"][_propertyCache[entityPropertyNames.PropertiesPropertyName]].ToObject <Dictionary <string, object> >();
itemproperties.Add("properties", entityProperties);
if (typeof(Node).IsAssignableFrom(propertyType))
{
AssertNecesaryColumnForType(entityPropertyNames.LabelsPropertyName, typeof(Node));
var labels = entityProperties.Keys.ToArray();
itemproperties.Add("labels", labels);
}
else
{
AssertNecesaryColumnForType(entityPropertyNames.TypePropertyName,
typeof(Relationship));
var relType = recordIsArray ?
record[_propertyCache[entityPropertyNames.TypePropertyName]].ToObject <string>() :
record["row"][_propertyCache[entityPropertyNames.TypePropertyName]].ToObject <string>();
itemproperties.Add("type", relType);
}
graphEntity = (IGraphEntity)HydrateWithCtr(itemproperties, propertyType);
_cache.CacheEntity(graphEntity);
}
return(graphEntity);
}
public void CacheEntity(IGraphEntity entity)
{
var entType = entity.GetType();
if (Contains(entity.Id, entType))
{
throw new Exception("Entry already exists in the cache");
}
var useExistingDictionary = _inner.ContainsKey(entity.Id);
var dic = useExistingDictionary
? _inner[entity.Id]
: new Dictionary <Type, IGraphEntity>();
dic[entType] = entity;
if (!useExistingDictionary)
{
_inner.Add(entity.Id, dic);
}
}
public static void Set <TProp>(
[ArgumentEvaluator(typeof(MemberNameArgumentEvaluator))] this IGraphEntity entity, string propName,
[ArgumentEvaluator(typeof(StringWrapperArgumentEvaluator))] TProp value)
{
throw new ExpressionTreeOnlyUsageException();
}
public static object Get(
[ArgumentEvaluator(typeof(MemberNameArgumentEvaluator))] this IGraphEntity entity, string propName)
{
throw new ExpressionTreeOnlyUsageException();
}
public Node([NotNull] IGraphEntity graphEntity, IEnumerable<IGraphSerializable>? attributes = null)
: base(graphEntity.GraphId)
{
_graphEntity = graphEntity;
_attributes = attributes ?? new IGraphSerializable[0];
}
public GraphEdge(IGraphEntity root, IGraphEntity leaf)
{
this.Root = root;
this.Leaf = leaf;
}
public static long Id(
[ArgumentEvaluator(typeof(MemberNameArgumentEvaluator))] IGraphEntity relationshipReference)
{
throw new NotImplementedException();
}
public static bool Has(
[ArgumentEvaluator(typeof(MemberNameArgumentEvaluator))] IGraphEntity relationshipReference,
string property)
{
throw new NotImplementedException();
}
