internal static byte[] ConvertParametersToBytes(object[] parameters, bool addTypeIdPrefix = true)
{
var paramtersBytes = new List <byte[]>();
foreach (var parameter in parameters)
{
if (parameter != null)
{
if (addTypeIdPrefix)
{
paramtersBytes.Add(GetTypeId(parameter.GetType()));
}
if (parameter is int)
{
paramtersBytes.Add(SerDe.ToBytes((int)parameter));
}
else if (parameter is long)
{
paramtersBytes.Add(SerDe.ToBytes((long)parameter));
}
else if (parameter is string)
{
paramtersBytes.Add(ToPayloadBytes(parameter.ToString()));
}
else if (parameter is bool)
{
paramtersBytes.Add(SerDe.ToBytes((bool)parameter));
}
else if (parameter is double)
{
paramtersBytes.Add(SerDe.ToBytes((double)parameter));
}
else if (parameter is byte[])
{
paramtersBytes.Add(SerDe.ToBytes(((byte[])parameter).Length));
paramtersBytes.Add((byte[])parameter);
}
else if (parameter is int[])
{
paramtersBytes.Add(GetTypeId(typeof(int)));
paramtersBytes.Add(SerDe.ToBytes(((int[])parameter).Length));
paramtersBytes.AddRange(((int[])parameter).Select(x => SerDe.ToBytes(x)));
}
else if (parameter is long[])
{
paramtersBytes.Add(GetTypeId(typeof(long)));
paramtersBytes.Add(SerDe.ToBytes(((long[])parameter).Length));
paramtersBytes.AddRange(((long[])parameter).Select(x => SerDe.ToBytes(x)));
}
else if (parameter is double[])
{
paramtersBytes.Add(GetTypeId(typeof(double)));
paramtersBytes.Add(SerDe.ToBytes(((double[])parameter).Length));
paramtersBytes.AddRange(((double[])parameter).Select(x => SerDe.ToBytes(x)));
}
else if (parameter is IEnumerable <byte[]> )
{
paramtersBytes.Add(GetTypeId(typeof(byte[])));
paramtersBytes.Add(SerDe.ToBytes(((IEnumerable <byte[]>)parameter).Count())); //TODO - Count() will traverse the collection - change interface?
foreach (var byteArray in (IEnumerable <byte[]>)parameter)
{
paramtersBytes.Add(SerDe.ToBytes(byteArray.Length));
paramtersBytes.Add(byteArray);
}
}
else if (parameter is IEnumerable <string> )
{
paramtersBytes.Add(GetTypeId(typeof(string)));
paramtersBytes.Add(SerDe.ToBytes(((IEnumerable <string>)parameter).Count())); //TODO - Count() will traverse the collection - change interface?
paramtersBytes.AddRange(from stringVal in (IEnumerable <string>) parameter select ToPayloadBytes(stringVal));
}
else if (parameter is IEnumerable <JvmObjectReference> )
{
paramtersBytes.Add(GetTypeId(typeof(JvmObjectReference)));
paramtersBytes.Add(SerDe.ToBytes(((IEnumerable <JvmObjectReference>)parameter).Count())); //TODO - Count() will traverse the collection - change interface?
paramtersBytes.AddRange(from jObj in (IEnumerable <JvmObjectReference>) parameter select ToPayloadBytes(jObj.Id));
}
else if (IsDictionary(parameter.GetType()))
{
// Generic Dictionary 'parameter' passed into this function is a object which lost its Generic Type T (namely Dictionary<T, T>).
// Cannot neither cast to Dictionary<T, T> nor Dictionary<dynamic, dynamic>, so we need to first cast to Non-Generic interface IDictionary and then
// rebuild a Dictionary<dynamic, dynamic>.
var nonGenericDict = (IDictionary)parameter;
var dict = new Dictionary <dynamic, dynamic>();
foreach (var k in nonGenericDict.Keys)
{
dict[k] = nonGenericDict[k];
}
Type keyType = parameter.GetType().GetGenericArguments()[0];
// Below serialization is coressponding to deserialization method ReadMap() of SerDe.scala
paramtersBytes.Add(SerDe.ToBytes(dict.Count())); // dictionary's length
paramtersBytes.Add(GetTypeId(keyType)); // keys' data type
paramtersBytes.Add(SerDe.ToBytes(dict.Count())); // keys' length, same as dictionary's length
paramtersBytes.AddRange(from kv in dict select ConvertParametersToBytes(new object[] { kv.Key }, false)); // keys, do not need type prefix
paramtersBytes.Add(SerDe.ToBytes(dict.Count())); // values' length, same as dictionary's length
paramtersBytes.AddRange(from kv in dict select ConvertParametersToBytes(new object[] { kv.Value })); // values, need type prefix
}
else if (parameter is JvmObjectReference)
{
paramtersBytes.Add(ToPayloadBytes((parameter as JvmObjectReference).Id));
}
else
{
throw new NotSupportedException(string.Format("Type {0} is not supported", parameter.GetType()));
}
}
else
{
paramtersBytes.Add(new [] { Convert.ToByte('n') });
}
}
return(paramtersBytes.SelectMany(byteArray => byteArray).ToArray());
}
public void Write(string value)
{
byte[] buffer = SerDe.ToBytes(value);
Write(buffer.Length);
Write(buffer);
}