/// <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 virtual InternalEntityEntry TryGetEntry(object[] keyValues)
{
InternalEntityEntry entry;
var key = PrincipalKeyValueFactory.CreateFromKeyValues(keyValues);
return(key != null && _identityMap.TryGetValue((TKey)key, out entry) ? entry : null);
}
/// <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 virtual WeakReference <object> TryGetEntity(
ValueBuffer valueBuffer,
bool throwOnNullKey,
out bool hasNullKey)
{
var key = PrincipalKeyValueFactory.CreateFromBuffer(valueBuffer);
if (key == null)
{
if (throwOnNullKey)
{
if (Key.IsPrimaryKey())
{
throw new InvalidOperationException(
CoreStrings.InvalidKeyValue(
Key.DeclaringEntityType.DisplayName(),
PrincipalKeyValueFactory.FindNullPropertyInValueBuffer(valueBuffer).Name));
}
throw new InvalidOperationException(
CoreStrings.InvalidAlternateKeyValue(
Key.DeclaringEntityType.DisplayName(),
PrincipalKeyValueFactory.FindNullPropertyInValueBuffer(valueBuffer).Name));
}
hasNullKey = true;
return(null);
}
hasNullKey = false;
return(_identityMap.TryGetValue((TKey)key, out var entity) ? entity : null);
}
/// <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 virtual InternalEntityEntry TryGetEntry(ValueBuffer valueBuffer, bool throwOnNullKey)
{
var key = PrincipalKeyValueFactory.CreateFromBuffer(valueBuffer);
if (key == null &&
throwOnNullKey)
{
throw new InvalidOperationException(CoreStrings.InvalidKeyValue(Key.DeclaringEntityType.DisplayName()));
}
try
{
InternalEntityEntry entry;
return(key != null &&
_identityMap.TryGetValue((TKey)key, out entry)
? entry
: null);
}
catch (InvalidCastException e)
{
throw new InvalidOperationException(
// ReSharper disable once PossibleNullReferenceException
CoreStrings.ErrorMaterializingValueInvalidCast(typeof(TKey), key.GetType()),
e);
}
}
/// <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>
protected virtual void Add([NotNull] TKey key, [NotNull] InternalEntityEntry entry)
{
InternalEntityEntry existingEntry;
if (_identityMap.TryGetValue(key, out existingEntry))
{
if (existingEntry != entry)
{
if (_sensitiveLoggingEnabled)
{
throw new InvalidOperationException(
CoreStrings.IdentityConflictSensitive(
entry.EntityType.DisplayName(),
PrincipalKeyValueFactory.BuildKeyValuesString(entry)));
}
throw new InvalidOperationException(
CoreStrings.IdentityConflict(
entry.EntityType.DisplayName(),
string.Join(", ", Key.Properties.Select(p => p.Name))));
}
}
else
{
AddInternal(key, entry);
}
}
/// <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 override void RemoveUsingRelationshipSnapshot(InternalEntityEntry entry)
{
var key = PrincipalKeyValueFactory.CreateFromRelationshipSnapshot(entry);
if (key != null)
{
Remove(key, entry);
}
}
/// <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 override void Add(InternalEntityEntry entry)
{
var key = PrincipalKeyValueFactory.CreateFromCurrentValues(entry);
if (key == null)
{
throw new InvalidOperationException(CoreStrings.InvalidKeyValue(entry.EntityType.DisplayName()));
}
Add(key, entry);
}
public virtual InternalEntityEntry TryGetEntry(ValueBuffer valueBuffer, bool throwOnNullKey)
{
InternalEntityEntry entry;
var key = PrincipalKeyValueFactory.CreateFromBuffer(valueBuffer);
if (key == null &&
throwOnNullKey)
{
throw new InvalidOperationException(CoreStrings.InvalidKeyValue(Key.DeclaringEntityType.DisplayName()));
}
return(key != null && _identityMap.TryGetValue((TKey)key, out entry) ? entry : null);
}
/// <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 virtual IIncludeKeyComparer CreateIncludeKeyComparer(INavigation navigation, InternalEntityEntry entry)
{
if (navigation.IsDependentToPrincipal())
{
return(navigation.ForeignKey.GetDependentKeyValueFactory <TKey>().TryCreateFromCurrentValues(entry, out var keyValue)
? new DependentToPrincipalIncludeComparer <TKey>(keyValue, PrincipalKeyValueFactory)
: (IIncludeKeyComparer) new NullIncludeComparer());
}
return(new PrincipalToDependentIncludeComparer <TKey>(
PrincipalKeyValueFactory.CreateFromCurrentValues(entry),
navigation.ForeignKey.GetDependentKeyValueFactory <TKey>(),
PrincipalKeyValueFactory));
}
/// <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 virtual IIncludeKeyComparer CreateIncludeKeyComparer(INavigation navigation, ValueBuffer valueBuffer)
{
if (navigation.IsDependentToPrincipal())
{
return(navigation.ForeignKey.GetDependentKeyValueFactory <TKey>().TryCreateFromBuffer(valueBuffer, out var keyValue)
? (IIncludeKeyComparer) new DependentToPrincipalIncludeComparer <TKey>(keyValue, PrincipalKeyValueFactory)
: new NullIncludeComparer());
}
return(new PrincipalToDependentIncludeComparer <TKey>(
(TKey)PrincipalKeyValueFactory.CreateFromBuffer(valueBuffer),
navigation.ForeignKey.GetDependentKeyValueFactory <TKey>(),
PrincipalKeyValueFactory));
}
public virtual WeakReference <object> TryGetEntity(ValueBuffer valueBuffer, out bool hasNullKey)
{
var key = PrincipalKeyValueFactory.CreateFromBuffer(valueBuffer);
if (key == null)
{
hasNullKey = true;
return(null);
}
hasNullKey = false;
WeakReference <object> entity;
return(_identityMap.TryGetValue((TKey)key, out entity) ? entity : null);
}
/// <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 virtual InternalEntityEntry TryGetEntry(ValueBuffer valueBuffer, bool throwOnNullKey)
{
var key = PrincipalKeyValueFactory.CreateFromBuffer(valueBuffer);
if (key == null &&
throwOnNullKey)
{
if (Key.IsPrimaryKey())
{
throw new InvalidOperationException(
CoreStrings.InvalidKeyValue(
Key.DeclaringEntityType.DisplayName(),
PrincipalKeyValueFactory.FindNullPropertyInValueBuffer(valueBuffer).Name));
}
throw new InvalidOperationException(
CoreStrings.InvalidAlternateKeyValue(
Key.DeclaringEntityType.DisplayName(),
PrincipalKeyValueFactory.FindNullPropertyInValueBuffer(valueBuffer).Name));
}
try
{
return(key != null &&
_identityMap.TryGetValue((TKey)key, out var entry)
? entry
: null);
}
catch (InvalidCastException e)
{
throw new InvalidOperationException(
// ReSharper disable once PossibleNullReferenceException
CoreStrings.ErrorMaterializingPropertyInvalidCast(
Key.DeclaringEntityType.DisplayName(),
Key.Properties.First().Name,
typeof(TKey),
key.GetType()),
e);
}
}
/// <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 override void Add(InternalEntityEntry entry)
{
var key = PrincipalKeyValueFactory.CreateFromCurrentValues(entry);
if (key == null)
{
if (Key.IsPrimaryKey())
{
throw new InvalidOperationException(
CoreStrings.InvalidKeyValue(
entry.EntityType.DisplayName(),
PrincipalKeyValueFactory.FindNullPropertyInCurrentValues(entry).Name));
}
throw new InvalidOperationException(
CoreStrings.InvalidAlternateKeyValue(
entry.EntityType.DisplayName(),
PrincipalKeyValueFactory.FindNullPropertyInCurrentValues(entry).Name));
}
Add(key, entry);
}
/// <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 virtual bool Contains(ValueBuffer valueBuffer)
{
var key = PrincipalKeyValueFactory.CreateFromBuffer(valueBuffer);
return(key != null && _identityMap.ContainsKey((TKey)key));
}
/// <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 virtual void RemoveUsingRelationshipSnapshot(InternalEntityEntry entry) => Remove(PrincipalKeyValueFactory.CreateFromRelationshipSnapshot(entry), entry);
/// <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 virtual void Remove(InternalEntityEntry entry) => Remove(PrincipalKeyValueFactory.CreateFromCurrentValues(entry), entry);
/// <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 virtual void Add(object[] keyValues, InternalEntityEntry entry) => Add((TKey)PrincipalKeyValueFactory.CreateFromKeyValues(keyValues), entry);
/// <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 virtual void AddOrUpdate(InternalEntityEntry entry) => AddInternal(PrincipalKeyValueFactory.CreateFromCurrentValues(entry), entry);
public virtual void Add(ValueBuffer valueBuffer, object entity) => _identityMap[(TKey)PrincipalKeyValueFactory.CreateFromBuffer(valueBuffer)] = new WeakReference <object>(entity);