internal RelationshipEntry(
ObjectStateManager cache,
EntityState state,
RelationshipWrapper relationshipWrapper)
: base(cache, (EntitySet)null, state)
{
this._entitySet = (EntitySetBase)relationshipWrapper.AssociationSet;
this._relationshipWrapper = relationshipWrapper;
}
internal RelationshipEntry(ObjectStateManager cache, EntityState state, RelationshipWrapper relationshipWrapper)
: base(cache, null, state)
{
DebugCheck.NotNull(relationshipWrapper);
Debug.Assert(
EntityState.Added == state ||
EntityState.Unchanged == state ||
EntityState.Deleted == state,
"invalid EntityState");
base._entitySet = relationshipWrapper.AssociationSet;
_relationshipWrapper = relationshipWrapper;
}
internal void ChangeRelatedEnd(EntityKey oldKey, EntityKey newKey)
{
if (oldKey.Equals(this.Key0))
{
if (oldKey.Equals(this.Key1))
{
this.RelationshipWrapper = new RelationshipWrapper(this.RelationshipWrapper.AssociationSet, newKey);
}
else
{
this.RelationshipWrapper = new RelationshipWrapper(this.RelationshipWrapper, 0, newKey);
}
}
else
{
this.RelationshipWrapper = new RelationshipWrapper(this.RelationshipWrapper, 1, newKey);
}
}
// <summary>
// Update one of the ends of the relationship
// </summary>
internal void ChangeRelatedEnd(EntityKey oldKey, EntityKey newKey)
{
if (oldKey.Equals(Key0))
{
if (oldKey.Equals(Key1))
{
// self-reference
RelationshipWrapper = new RelationshipWrapper(RelationshipWrapper.AssociationSet, newKey);
}
else
{
RelationshipWrapper = new RelationshipWrapper(RelationshipWrapper, 0, newKey);
}
}
else
{
RelationshipWrapper = new RelationshipWrapper(RelationshipWrapper, 1, newKey);
}
}
internal override void Reset()
{
this._relationshipWrapper = (RelationshipWrapper)null;
base.Reset();
}
internal override void Reset()
{
_relationshipWrapper = null;
base.Reset();
}