private NavigationEntryMetadata ValidateAndGetNavigationMetadata(
string navigationProperty,
Type requestedType,
bool requireCollection)
{
if (InternalEntityEntry.SplitName(navigationProperty).Count != 1)
{
throw Error.DbEntityEntry_DottedPathMustBeProperty((object)navigationProperty);
}
NavigationEntryMetadata navigationMetadata = this.GetNavigationMetadata(navigationProperty);
if (navigationMetadata == null)
{
throw Error.DbEntityEntry_NotANavigationProperty((object)navigationProperty, (object)this.EntityType.Name);
}
if (requireCollection)
{
if (navigationMetadata.MemberEntryType == MemberEntryType.ReferenceNavigationProperty)
{
throw Error.DbEntityEntry_UsedCollectionForReferenceProp((object)navigationProperty, (object)this.EntityType.Name);
}
}
else if (navigationMetadata.MemberEntryType == MemberEntryType.CollectionNavigationProperty)
{
throw Error.DbEntityEntry_UsedReferenceForCollectionProp((object)navigationProperty, (object)this.EntityType.Name);
}
if (!requestedType.IsAssignableFrom(navigationMetadata.ElementType))
{
throw Error.DbEntityEntry_WrongGenericForNavProp((object)navigationProperty, (object)this.EntityType.Name, (object)requestedType.Name, (object)navigationMetadata.ElementType.Name);
}
return(navigationMetadata);
}
// <summary>
// Initializes a new instance of the <see cref="InternalCollectionEntry" /> class.
// </summary>
// <param name="internalEntityEntry"> The internal entity entry. </param>
// <param name="navigationMetadata"> The navigation metadata. </param>
public InternalCollectionEntry(
InternalEntityEntry internalEntityEntry, NavigationEntryMetadata navigationMetadata)
: base(internalEntityEntry, navigationMetadata)
{
}
public FakeInternalReferenceEntry(InternalEntityEntry internalEntityEntry, NavigationEntryMetadata navigationMetadata)
: base(internalEntityEntry, navigationMetadata)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="InternalReferenceEntry" /> class.
/// </summary>
/// <param name="internalEntityEntry"> The internal entity entry. </param>
/// <param name="navigationMetadata"> The navigation metadata. </param>
public InternalReferenceEntry(
InternalEntityEntry internalEntityEntry, NavigationEntryMetadata navigationMetadata)
: base(internalEntityEntry, navigationMetadata)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="InternalNavigationEntry" /> class.
/// </summary>
/// <param name="internalEntityEntry"> The internal entity entry. </param>
/// <param name="navigationMetadata"> The navigation metadata. </param>
protected InternalNavigationEntry(
InternalEntityEntry internalEntityEntry, NavigationEntryMetadata navigationMetadata)
: base(internalEntityEntry, navigationMetadata)
{
}
// <summary>
// Initializes a new instance of the <see cref="InternalNavigationEntry" /> class.
// </summary>
// <param name="internalEntityEntry"> The internal entity entry. </param>
// <param name="navigationMetadata"> The navigation metadata. </param>
protected InternalNavigationEntry(
InternalEntityEntry internalEntityEntry, NavigationEntryMetadata navigationMetadata)
: base(internalEntityEntry, navigationMetadata)
{
}