public static IDataReader CreateReader <T>(T obj, bool throwException = true)
{
var auxiliary = new AuxiliaryValueRW();
ValueInterface <T> .WriteValue(auxiliary, obj);
return(auxiliary.GetDataReader() ?? (throwException ? throw new NotSupportedException($"Unable create data reader of '{typeof(T)}'.") : default(IDataReader)));
}
public static IDataReader CreateItemReader <TKey>(IDataReader <TKey> dataReader, TKey key, bool throwException = true)
{
var auxiliary = new AuxiliaryValueRW();
dataReader.OnReadValue(key, auxiliary);
return(auxiliary.GetDataReader() ??
(throwException ? throw new NotSupportedException($"Failed to create data reader of field : '{key}' in {dataReader}.") : default(IDataReader)));
}
public static IDataReader CreateReader(object obj, bool throwException = true)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
var auxiliary = new AuxiliaryValueRW();
ValueInterface.GetInterface(obj).Write(auxiliary, obj);
return(auxiliary.GetDataReader() ?? (throwException ? throw new NotSupportedException($"Unable create data reader of '{obj.GetType()}'.") : default(IDataReader)));
}
public static IDataReader CreateItemReader <TKey>(IDataReader <TKey> dataReader, TKey key, bool throwException = true)
{
var auxiliary = new AuxiliaryValueRW();
if (typeof(TKey) == typeof(long) && ((dataReader as IAsDataReader)?.Content ?? dataReader) is IId64DataRW id64DataRW)
{
id64DataRW.OnReadValue(Unsafe.As <TKey, long>(ref key), auxiliary);
}
else
{
dataReader.OnReadValue(key, auxiliary);
}
return(auxiliary.GetDataReader() ?? (throwException ? throw new NotSupportedException($"Failed to create data reader of field : '{key}' in {dataReader}.") : default(IDataReader)));
}
