public void SaveChanges()
{
try
{
IEnumerable <EntityChangeDescriptor> temp = ChangeTracker.GetChangeLog();
List <Tuple <IOgmEntity, IEnumerable <string> > > creatingNodes = temp
.Where(p => p is EntityChangeNodeCreation)
.Select(p => new Tuple <IOgmEntity, IEnumerable <string> >(
p.Entity,
TypesManager.KnownTypes.ContainsKey(p.Entity.GetType()) ? TypesManager.KnownTypes[p.Entity.GetType()].IgnoredProperties.Select(q => q.Name) : null
)).ToList();
List <IOgmEntity> deletingNodes = temp
.Where(p => p is EntityChangeNodeDeletion)
.Select(p => p.Entity).ToList();
List <Tuple <IOgmEntity, IEnumerable <string> > > updatingNodes = temp
.Where(p => p is EntityChangeNodeUpdate)
.GroupBy(p => p.Entity)
.Select(p => new Tuple <IOgmEntity, IEnumerable <string> >(
p.Key,
p.Key.GetType().GetProperties().Select(q => q.Name).Except(p.Select(q => ((EntityChangeNodeUpdate)q).Property.Name))
.Union(
TypesManager.KnownTypes.ContainsKey(p.Key.GetType()) ? TypesManager.KnownTypes[p.Key.GetType()].IgnoredProperties.Select(q => q.Name) : new string[0]
)
)).ToList();
List <Tuple <IOgmConnection, IEnumerable <string> > > creatingRels = temp
.Where(p => p is EntityChangeRelCreation)
.Select(p => new Tuple <IOgmConnection, IEnumerable <string> >(
p.Entity as IOgmConnection,
TypesManager.KnownTypes.ContainsKey(p.Entity.GetType()) ? TypesManager.KnownTypes[p.Entity.GetType()].IgnoredProperties.Select(q => q.Name) : null
)).ToList();
List <IOgmConnection> deletingRels = temp
.Where(p => p is EntityChangeRelDeletion)
.Select(p => p.Entity as IOgmConnection).ToList();
List <Tuple <IOgmConnection, IEnumerable <string> > > updatingRels = temp
.Where(p => p is EntityChangeRelUpdate)
.GroupBy(p => p.Entity)
.Select(p => new Tuple <IOgmConnection, IEnumerable <string> >(
p.Key as IOgmConnection,
p.Key.GetType().GetProperties().Select(q => q.Name).Except(p.Select(q => ((EntityChangeRelUpdate)q).Property.Name))
.Union(
TypesManager.KnownTypes.ContainsKey(p.Key.GetType()) ? TypesManager.KnownTypes[p.Key.GetType()].IgnoredProperties.Select(q => q.Name) : new string[0]
)
)).ToList();
List <Tuple <IOgmConnection, IEnumerable <string> > > mergingRels = temp
.Where(p => p is EntityChangeConnectionMerge)
.Select(p => new Tuple <IOgmConnection, IEnumerable <string> >(
p.Entity as IOgmConnection,
TypesManager.KnownTypes.ContainsKey(p.Entity.GetType()) ? TypesManager.KnownTypes[p.Entity.GetType()].IgnoredProperties.Select(q => q.Name) : null
)).ToList();
List <IOgmEntity> createdNodes = EntityManager.CreateNodes(Runner, creatingNodes)?.ToList();
EntityManager.UpdateNodes(Runner, updatingNodes);
EntityManager.DeleteNodes(Runner, deletingNodes);
for (int i = 0; i < (createdNodes?.Count ?? 0); i++)
{
creatingNodes[i].Item1.EntityId = createdNodes[i].EntityId;
}
List <IOgmConnection> createdRels = EntityManager.CreateRels(Runner, creatingRels)?.ToList();
List <IOgmConnection> mergedRels = EntityManager.MergeConnections(Runner, mergingRels)?.ToList();
EntityManager.UpdateRels(Runner, updatingRels);
EntityManager.DeleteRels(Runner, deletingRels);
for (int i = 0; i < (createdRels?.Count ?? 0); i++)
{
creatingRels[i].Item1.EntityId = createdRels[i].EntityId;
}
for (int i = 0; i < (mergedRels?.Count ?? 0); i++)
{
mergingRels[i].Item1.EntityId = mergedRels[i].EntityId;
}
ChangeTracker.Clear();
}
catch (Exception e)
{
throw e;
}
}