private void UpdateEntry <TEntity>(IEntityWrapper wrappedEntity, EntityEntry existingEntry)
{
Type type = typeof(TEntity);
if (type != existingEntry.WrappedEntity.IdentityType)
{
EntityKey entityKey = existingEntry.EntityKey;
throw new NotSupportedException(Strings.Materializer_RecyclingEntity((object)TypeHelpers.GetFullName(entityKey.EntityContainerName, entityKey.EntitySetName), (object)type.FullName, (object)existingEntry.WrappedEntity.IdentityType.FullName, (object)entityKey.ConcatKeyValue()));
}
if (EntityState.Added == existingEntry.State)
{
throw new InvalidOperationException(Strings.Materializer_AddedEntityAlreadyExists((object)existingEntry.EntityKey.ConcatKeyValue()));
}
if (this.MergeOption == MergeOption.AppendOnly)
{
return;
}
if (MergeOption.OverwriteChanges == this.MergeOption)
{
if (EntityState.Deleted == existingEntry.State)
{
existingEntry.RevertDelete();
}
existingEntry.UpdateCurrentValueRecord(wrappedEntity.Entity);
this.Context.ObjectStateManager.ForgetEntryWithConceptualNull(existingEntry, true);
existingEntry.AcceptChanges();
this.Context.ObjectStateManager.FixupReferencesByForeignKeys(existingEntry, true);
}
else if (EntityState.Unchanged == existingEntry.State)
{
existingEntry.UpdateCurrentValueRecord(wrappedEntity.Entity);
this.Context.ObjectStateManager.ForgetEntryWithConceptualNull(existingEntry, true);
existingEntry.AcceptChanges();
this.Context.ObjectStateManager.FixupReferencesByForeignKeys(existingEntry, true);
}
else if (this.Context.ContextOptions.UseLegacyPreserveChangesBehavior)
{
existingEntry.UpdateRecordWithoutSetModified(wrappedEntity.Entity, (DbUpdatableDataRecord)existingEntry.EditableOriginalValues);
}
else
{
existingEntry.UpdateRecordWithSetModified(wrappedEntity.Entity, (DbUpdatableDataRecord)existingEntry.EditableOriginalValues);
}
}
private void UpdateEntry <TEntity>(IEntityWrapper wrappedEntity, EntityEntry existingEntry)
{
DebugCheck.NotNull(wrappedEntity);
DebugCheck.NotNull(wrappedEntity.Entity);
DebugCheck.NotNull(existingEntry);
DebugCheck.NotNull(existingEntry.Entity);
var clrType = typeof(TEntity);
if (clrType != existingEntry.WrappedEntity.IdentityType)
{
var key = existingEntry.EntityKey;
throw new NotSupportedException(
Strings.Materializer_RecyclingEntity(
TypeHelpers.GetFullName(key.EntityContainerName, key.EntitySetName), clrType.FullName,
existingEntry.WrappedEntity.IdentityType.FullName));
}
if (EntityState.Added
== existingEntry.State)
{
throw new InvalidOperationException(Strings.Materializer_AddedEntityAlreadyExists(clrType.FullName));
}
if (MergeOption.AppendOnly != MergeOption)
{
// existing entity, update CSpace values in place
Debug.Assert(EntityState.Added != existingEntry.State, "entry in State=Added");
Debug.Assert(EntityState.Detached != existingEntry.State, "entry in State=Detached");
if (MergeOption.OverwriteChanges == MergeOption)
{
if (EntityState.Deleted
== existingEntry.State)
{
existingEntry.RevertDelete();
}
existingEntry.UpdateCurrentValueRecord(wrappedEntity.Entity);
Context.ObjectStateManager.ForgetEntryWithConceptualNull(existingEntry, resetAllKeys: true);
existingEntry.AcceptChanges();
Context.ObjectStateManager.FixupReferencesByForeignKeys(existingEntry, replaceAddedRefs: true);
}
else
{
Debug.Assert(MergeOption.PreserveChanges == MergeOption, "not MergeOption.PreserveChanges");
if (EntityState.Unchanged
== existingEntry.State)
{
// same behavior as MergeOption.OverwriteChanges
existingEntry.UpdateCurrentValueRecord(wrappedEntity.Entity);
Context.ObjectStateManager.ForgetEntryWithConceptualNull(existingEntry, resetAllKeys: true);
existingEntry.AcceptChanges();
Context.ObjectStateManager.FixupReferencesByForeignKeys(existingEntry, replaceAddedRefs: true);
}
else
{
if (Context.ContextOptions.UseLegacyPreserveChangesBehavior)
{
// Do not mark properties as modified if they differ from the entity.
existingEntry.UpdateRecordWithoutSetModified(wrappedEntity.Entity, existingEntry.EditableOriginalValues);
}
else
{
// Mark properties as modified if they differ from the entity
existingEntry.UpdateRecordWithSetModified(wrappedEntity.Entity, existingEntry.EditableOriginalValues);
}
}
}
}
}
