/// <summary>
/// Returns the equivalent generic <see cref="T:System.Data.Entity.Infrastructure.DbMemberEntry`2" /> object.
/// </summary>
/// <typeparam name="TEntity"> The type of entity on which the member is declared. </typeparam>
/// <typeparam name="TProperty"> The type of the property. </typeparam>
/// <returns> The equivalent generic object. </returns>
public DbMemberEntry <TEntity, TProperty> Cast <TEntity, TProperty>() where TEntity : class
{
MemberEntryMetadata entryMetadata = this.InternalMemberEntry.EntryMetadata;
if (!typeof(TEntity).IsAssignableFrom(entryMetadata.DeclaringType) || !typeof(TProperty).IsAssignableFrom(entryMetadata.MemberType))
{
throw Error.DbMember_BadTypeForCast((object)typeof(DbMemberEntry).Name, (object)typeof(TEntity).Name, (object)typeof(TProperty).Name, (object)entryMetadata.DeclaringType.Name, (object)entryMetadata.MemberType.Name);
}
return(DbMemberEntry <TEntity, TProperty> .Create(this.InternalMemberEntry));
}
/// <summary>
/// Returns the equivalent generic <see cref="DbMemberEntry{TEntity,TProperty}" /> object.
/// </summary>
/// <typeparam name="TEntity"> The type of entity on which the member is declared. </typeparam>
/// <typeparam name="TProperty"> The type of the property. </typeparam>
/// <returns> The equivalent generic object. </returns>
public DbMemberEntry <TEntity, TProperty> Cast <TEntity, TProperty>() where TEntity : class
{
var metadata = InternalMemberEntry.EntryMetadata;
if (!typeof(TEntity).IsAssignableFrom(metadata.DeclaringType) ||
!typeof(TProperty).IsAssignableFrom(metadata.MemberType))
{
throw Error.DbMember_BadTypeForCast(
typeof(DbMemberEntry).Name,
typeof(TEntity).Name,
typeof(TProperty).Name,
metadata.DeclaringType.Name,
metadata.MemberType.Name);
}
return(DbMemberEntry <TEntity, TProperty> .Create(InternalMemberEntry));
}
private static DbMemberEntry ImplicitConvert(DbMemberEntry nonGeneric)
{
return(nonGeneric);
}
private void NonGenericTestMethodCollectionAsMember(DbMemberEntry nonGenericEntry, string name)
{
Assert.Same(name, nonGenericEntry.Name);
Assert.IsType <DbCollectionEntry>(nonGenericEntry);
}
private void NonGenericTestMethodRefAsMember(DbMemberEntry nonGenericEntry, string name)
{
Assert.Same(name, nonGenericEntry.Name);
Assert.IsType <DbReferenceEntry>(nonGenericEntry);
}
/// <summary>
/// Gets an object that represents a member of the entity. The runtime type of the returned object will
/// vary depending on what kind of member is asked for. The currently supported member types and their return
/// types are:
/// Reference navigation property: <see cref="DbReferenceEntry" />.
/// Collection navigation property: <see cref="DbCollectionEntry" />.
/// Primitive/scalar property: <see cref="DbPropertyEntry" />.
/// Complex property: <see cref="DbComplexPropertyEntry" />.
/// </summary>
/// <param name="propertyName"> The name of the member. </param>
/// <returns> An object representing the member. </returns>
public DbMemberEntry Member(string propertyName)
{
Check.NotEmpty(propertyName, "propertyName");
return(DbMemberEntry.Create(_internalEntityEntry.Member(propertyName)));
}
/// <summary>
/// Gets an object that represents a member of the entity. The runtime type of the returned object will
/// vary depending on what kind of member is asked for. The currently supported member types and their return
/// types are:
/// Reference navigation property: <see cref="T:System.Data.Entity.Infrastructure.DbReferenceEntry" />.
/// Collection navigation property: <see cref="T:System.Data.Entity.Infrastructure.DbCollectionEntry" />.
/// Primitive/scalar property: <see cref="T:System.Data.Entity.Infrastructure.DbPropertyEntry" />.
/// Complex property: <see cref="T:System.Data.Entity.Infrastructure.DbComplexPropertyEntry" />.
/// </summary>
/// <param name="propertyName"> The name of the member. </param>
/// <returns> An object representing the member. </returns>
public DbMemberEntry Member(string propertyName)
{
Check.NotEmpty(propertyName, nameof(propertyName));
return(DbMemberEntry.Create(this._internalEntityEntry.Member(propertyName, (Type)null)));
}
private void NonGenericTestMethodPropAsMember(DbMemberEntry nonGenericEntry, string name)
{
Assert.Same(name, nonGenericEntry.Name);
Assert.IsType <DbPropertyEntry>(nonGenericEntry);
}
