private Converter <ByteString, object> GetReadMethod(PropertyInfo prop, EndianBitConverter bitConverter)
{
if (prop.CanRead == false)
{
return(null);
}
var hca = prop.GetCustomAttribute <HBaseConverterAttribute>();
if (hca?.BinaryConverter != null)
{
var read = hca.BinaryConverter.GetMethod(nameof(IByteArrayConverter.Read));
if (read == null)
{
return(null);
}
var reader = Activator.CreateInstance(hca.BinaryConverter);
return(b => read.Invoke(reader, new object[] { b.ToArray(), prop.PropertyType, hca.ConverterParameters }));
}
if (prop.PropertyType == typeof(string))
{
return(b => b.ToStringUtf8());
}
var propertyType = prop.PropertyType.Name == "Nullable`1" ? prop.PropertyType.GenericTypeArguments.FirstOrDefault() : prop.PropertyType;
if (propertyType == null)
{
return(null);
}
var method = bitConverter.GetType().GetMethods().FirstOrDefault(t =>
t.Name.StartsWith("To") &&
t.ReturnParameter.ParameterType == propertyType);
if (method == null)
{
return(null);
}
return(b => method.Invoke(bitConverter, new object[] { b.ToByteArray(), 0 }));
}
private Converter <object, byte[]> GetWriteMethod(PropertyInfo prop, EndianBitConverter bitConverter)
{
if (prop.CanWrite == false)
{
return(null);
}
var hbca = prop.GetCustomAttribute <HBaseConverterAttribute>();
if (hbca != null)
{
var writer = Activator.CreateInstance(hbca.BinaryConverter);
var write = hbca.BinaryConverter.GetMethod(nameof(IByteArrayConverter.Write));
if (write == null)
{
return(null);
}
return(v => write.Invoke(writer, new[] { v, hbca.ConverterParameters }) as byte[]);
}
if (prop.PropertyType == typeof(string))
{
return(v => v.ToString().ToUtf8Bytes());
}
var propertyType = prop.PropertyType.Name == "Nullable`1" ? prop.PropertyType.GenericTypeArguments.FirstOrDefault() : prop.PropertyType;
if (propertyType == null)
{
return(null);
}
var method = bitConverter.GetType().GetMethods().FirstOrDefault(t =>
t.Name == nameof(EndianBitConverter.GetBytes) &&
t.GetParameters().FirstOrDefault()?.ParameterType == propertyType);
if (method == null)
{
return(null);
}
return(v => method.Invoke(bitConverter, new[] { v }) as byte[]);
}
