internal void SetCachedForeignKey(EntityKey newForeignKey, EntityEntry source)
{
if (this.ObjectContext != null && this.ObjectContext.ObjectStateManager != null && // are we attached?
source != null && // do we have an entry?
_cachedForeignKey != null && !ForeignKeyFactory.IsConceptualNullKey(_cachedForeignKey) && // do we have an fk?
_cachedForeignKey != newForeignKey) // is the FK different from the one that we already have?
{
this.ObjectContext.ObjectStateManager.RemoveEntryFromForeignKeyIndex(_cachedForeignKey, source);
}
_cachedForeignKey = newForeignKey;
}
internal override bool CachedForeignKeyIsConceptualNull()
{
return(ForeignKeyFactory.IsConceptualNullKey(this.CachedForeignKey));
}
internal void SetCachedForeignKey(EntityKey newForeignKey, EntityEntry source)
{
if (this.ObjectContext != null && this.ObjectContext.ObjectStateManager != null && (source != null && this._cachedForeignKey != (EntityKey)null) && (!ForeignKeyFactory.IsConceptualNullKey(this._cachedForeignKey) && this._cachedForeignKey != newForeignKey))
{
this.ObjectContext.ObjectStateManager.RemoveEntryFromForeignKeyIndex(this, this._cachedForeignKey, source);
}
this._cachedForeignKey = newForeignKey;
}
