/// <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 Expression CreateConstructorExpression(
[NotNull] IEntityType entityType,
[CanBeNull] ParameterExpression parameter)
{
var count = GetPropertyCount(entityType);
var types = new Type[count];
var propertyBases = new IPropertyBase[count];
foreach (var propertyBase in entityType.GetPropertiesAndNavigations())
{
var index = GetPropertyIndex(propertyBase);
if (index >= 0)
{
types[index] = (propertyBase as IProperty)?.ClrType ?? typeof(object);
propertyBases[index] = propertyBase;
}
}
Expression constructorExpression;
if (count > Snapshot.MaxGenericTypes)
{
var snapshotExpressions = new List <Expression>();
for (var i = 0; i < count; i += Snapshot.MaxGenericTypes)
{
snapshotExpressions.Add(
CreateSnapshotExpression(
entityType.ClrType,
parameter,
types.Skip(i).Take(Snapshot.MaxGenericTypes).ToArray(),
propertyBases.Skip(i).Take(Snapshot.MaxGenericTypes).ToList()));
}
constructorExpression =
Expression.Convert(
Expression.New(
MultiSnapshot.Constructor,
Expression.NewArrayInit(typeof(ISnapshot), snapshotExpressions)),
typeof(ISnapshot));
}
else
{
constructorExpression = CreateSnapshotExpression(entityType.ClrType, parameter, types, propertyBases);
}
return(constructorExpression);
}
/// <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 Expression CreateConstructorExpression(
[NotNull] IEntityType entityType,
[CanBeNull] ParameterExpression parameter)
{
var count = GetPropertyCount(entityType);
var types = new Type[count];
var propertyBases = new IPropertyBase[count];
foreach (var propertyBase in entityType.GetPropertiesAndNavigations())
{
var index = GetPropertyIndex(propertyBase);
if (index >= 0)
{
types[index] = (propertyBase as IProperty)?.ClrType ?? typeof(object);
propertyBases[index] = propertyBase;
}
}
Expression constructorExpression;
if (count > Snapshot.MaxGenericTypes)
{
var snapshotExpressions = new List<Expression>();
for (var i = 0; i < count; i += Snapshot.MaxGenericTypes)
{
snapshotExpressions.Add(
CreateSnapshotExpression(
entityType.ClrType,
parameter,
types.Skip(i).Take(Snapshot.MaxGenericTypes).ToArray(),
propertyBases.Skip(i).Take(Snapshot.MaxGenericTypes).ToList()));
}
constructorExpression =
Expression.Convert(
Expression.New(
MultiSnapshot.Constructor,
Expression.NewArrayInit(typeof(ISnapshot), snapshotExpressions)),
typeof(ISnapshot));
}
else
{
constructorExpression = CreateSnapshotExpression(entityType.ClrType, parameter, types, propertyBases);
}
return constructorExpression;
}
