| private GetConstantCollectionValue ( QueryModel queryModel ) : ICollection | ||
| queryModel | QueryModel | |
| return | ICollection | |
private ICollection GetConstantCollectionValue (QueryModel queryModel)
{
var fromExpressionAsConstant = (queryModel.MainFromClause.FromExpression) as ConstantExpression;
if (queryModel.IsIdentityQuery () && fromExpressionAsConstant != null)
{
if (fromExpressionAsConstant.Value is ICollection)
return (ICollection) fromExpressionAsConstant.Value;
if (fromExpressionAsConstant.Value == null)
throw new NotSupportedException ("Data sources cannot be null.");
}
return null;
}
}