public virtual void UpdateIdentityMap(InternalEntityEntry entry, IKeyValue oldKeyValue, IKey principalKey)
{
if (entry.EntityState == EntityState.Detached)
{
return;
}
var newKey = GetKeyValueChecked(principalKey, entry);
if (oldKeyValue.Equals(newKey))
{
return;
}
InternalEntityEntry existingEntry;
if (_identityMap.TryGetValue(newKey, out existingEntry) &&
existingEntry != entry)
{
throw new InvalidOperationException(CoreStrings.IdentityConflict(entry.EntityType.Name));
}
_identityMap.Remove(oldKeyValue);
if (newKey != KeyValue.InvalidKeyValue)
{
_identityMap[newKey] = entry;
}
}
public virtual void UpdateDependentMap(InternalEntityEntry entry, IKeyValue oldKeyValue, IForeignKey foreignKey)
{
if (entry.EntityState == EntityState.Detached)
{
return;
}
var newKey = entry.GetDependentKeyValue(foreignKey);
if (oldKeyValue.Equals(newKey))
{
return;
}
Dictionary <IKeyValue, HashSet <InternalEntityEntry> > fkMap;
if (_dependentsMap.TryGetValue(foreignKey, out fkMap))
{
HashSet <InternalEntityEntry> dependents;
if (oldKeyValue != KeyValue.InvalidKeyValue &&
fkMap.TryGetValue(oldKeyValue, out dependents))
{
dependents.Remove(entry);
if (dependents.Count == 0)
{
fkMap.Remove(oldKeyValue);
}
}
if (newKey == KeyValue.InvalidKeyValue)
{
if (fkMap.Count == 0)
{
_dependentsMap.Remove(foreignKey);
}
}
else
{
if (!fkMap.TryGetValue(newKey, out dependents))
{
dependents = new HashSet <InternalEntityEntry>();
fkMap[newKey] = dependents;
}
dependents.Add(entry);
}
}
}
public virtual void UpdateDependentMap(InternalEntityEntry entry, IKeyValue oldKeyValue, IForeignKey foreignKey)
{
if (entry.EntityState == EntityState.Detached)
{
return;
}
var newKey = entry.GetDependentKeyValue(foreignKey);
if (oldKeyValue.Equals(newKey))
{
return;
}
Dictionary<IKeyValue, HashSet<InternalEntityEntry>> fkMap;
if (_dependentsMap.TryGetValue(foreignKey, out fkMap))
{
HashSet<InternalEntityEntry> dependents;
if (oldKeyValue != KeyValue.InvalidKeyValue
&& fkMap.TryGetValue(oldKeyValue, out dependents))
{
dependents.Remove(entry);
if (dependents.Count == 0)
{
fkMap.Remove(oldKeyValue);
}
}
if (newKey == KeyValue.InvalidKeyValue)
{
if (fkMap.Count == 0)
{
_dependentsMap.Remove(foreignKey);
}
}
else
{
if (!fkMap.TryGetValue(newKey, out dependents))
{
dependents = new HashSet<InternalEntityEntry>();
fkMap[newKey] = dependents;
}
dependents.Add(entry);
}
}
}
public virtual void UpdateIdentityMap(InternalEntityEntry entry, IKeyValue oldKeyValue, IKey principalKey)
{
if (entry.EntityState == EntityState.Detached)
{
return;
}
var newKey = GetKeyValueChecked(principalKey, entry);
if (oldKeyValue.Equals(newKey))
{
return;
}
InternalEntityEntry existingEntry;
if (_identityMap.TryGetValue(newKey, out existingEntry)
&& existingEntry != entry)
{
throw new InvalidOperationException(CoreStrings.IdentityConflict(entry.EntityType.Name));
}
_identityMap.Remove(oldKeyValue);
if (newKey != KeyValue.InvalidKeyValue)
{
_identityMap[newKey] = entry;
}
}
