public bool Store(MemoryStream _buf_)
{
try {
if (null != user_id)
{
int user_id_length = Encoding.UTF8.GetByteCount(user_id);
_buf_.Write(BitConverter.GetBytes(user_id_length), 0, sizeof(int));
_buf_.Write(Encoding.UTF8.GetBytes(user_id), 0, user_id_length);
}
else
{
_buf_.Write(BitConverter.GetBytes(0), 0, sizeof(int));
}
_buf_.Write(BitConverter.GetBytes(user_seq), 0, sizeof(uint));
_buf_.Write(BitConverter.GetBytes(items.Count), 0, sizeof(int));
foreach (var items_itr in items)
{
ItemData items_elmt = items_itr;
if (false == ItemData_Serializer.Store(_buf_, items_elmt))
{
return(false);
}
}
} catch (System.Exception) {
return(false);
}
return(true);
}
public bool Load(MemoryStream _buf_)
{
try {
if (sizeof(int) > _buf_.Length - _buf_.Position)
{
return(false);
}
int user_id_length = BitConverter.ToInt32(_buf_.GetBuffer(), (int)_buf_.Position);
_buf_.Position += sizeof(int);
if (user_id_length > _buf_.Length - _buf_.Position)
{
return(false);
}
byte[] user_id_buf = new byte[user_id_length];
Array.Copy(_buf_.GetBuffer(), (int)_buf_.Position, user_id_buf, 0, user_id_length);
user_id = System.Text.Encoding.UTF8.GetString(user_id_buf);
_buf_.Position += user_id_length;
if (sizeof(uint) > _buf_.Length - _buf_.Position)
{
return(false);
}
user_seq = BitConverter.ToUInt32(_buf_.GetBuffer(), (int)_buf_.Position);
_buf_.Position += sizeof(uint);
if (sizeof(int) > _buf_.Length - _buf_.Position)
{
return(false);
}
int items_length = BitConverter.ToInt32(_buf_.GetBuffer(), (int)_buf_.Position);
_buf_.Position += sizeof(int);
for (int items_itr = 0; items_itr < items_length; items_itr++)
{
ItemData items_val = new ItemData();
if (false == ItemData_Serializer.Load(ref items_val, _buf_))
{
return(false);
}
items.Add(items_val);
}
} catch (System.Exception) {
return(false);
}
return(true);
}
public int Size()
{
int nSize = 0;
try {
nSize += sizeof(int);
if (null != user_id)
{
nSize += Encoding.UTF8.GetByteCount(user_id);
}
nSize += sizeof(uint);
nSize += sizeof(int);
foreach (var items_itr in items)
{
ItemData items_elmt = items_itr;
nSize += ItemData_Serializer.Size(items_elmt);
}
} catch (System.Exception) {
return(-1);
}
return(nSize);
}