/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public SharedTableEntryMap(
[NotNull] ITable table,
[NotNull] IUpdateAdapter updateAdapter,
[NotNull] SharedTableEntryValueFactory <TValue> createElement)
{
_table = table;
_updateAdapter = updateAdapter;
_createElement = createElement;
_comparer = new EntryComparer(table);
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual TValue GetOrAddValue([NotNull] IUpdateEntry entry, [NotNull] SharedTableEntryValueFactory <TValue> createElement)
{
var mainEntry = GetMainEntry(entry);
if (_entryValueMap.TryGetValue(mainEntry, out var sharedCommand))
{
return(sharedCommand);
}
sharedCommand = createElement(_table.Name, _table.Schema, _comparer);
_entryValueMap.Add(mainEntry, sharedCommand);
return(sharedCommand);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public SharedTableEntryMap(
[NotNull] IStateManager stateManager,
[NotNull] IReadOnlyDictionary <IEntityType, IReadOnlyList <IEntityType> > principals,
[NotNull] IReadOnlyDictionary <IEntityType, IReadOnlyList <IEntityType> > dependents,
[NotNull] string name,
[CanBeNull] string schema,
[NotNull] SharedTableEntryValueFactory <TValue> createElement)
{
_stateManager = stateManager;
_principals = principals;
_dependents = dependents;
_name = name;
_schema = schema;
_createElement = createElement;
_comparer = new EntryComparer(principals);
}
