public virtual void write(ExtendedDataOutput @out, SymbolBaseCollection collection)
{
int dataType = (int)getDataType() + 128;
int flag = ((int)DATA_FORM.DF_VECTOR << 8) + dataType;
@out.writeShort(flag);
@out.writeInt(rows());
@out.writeInt(columns());
collection.write(@out, @base);
@out.writeIntArray(values.ToArray());
}
protected internal BasicSymbolVector(DATA_FORM df, ExtendedDataInput @in, SymbolBaseCollection collection) : base(df)
{
int rows = @in.readInt();
int columns = @in.readInt();
int size = rows * columns;
values = new List <int>(new int[rows]);
@base = collection.add(@in);
for (int i = 0; i < size; ++i)
{
values[i] = @in.readInt();
}
}
public BasicTable(ExtendedDataInput @in)
{
int rows = @in.readInt();
int cols = @in.readInt();
_tableName = @in.readString();
//read column names
for (int i = 0; i < cols; ++i)
{
string name = @in.readString();
name2index_[name] = name2index_.Count;
names_.Add(name);
}
BasicEntityFactory factory = new BasicEntityFactory();
VectorDecompressor decompressor = null;
SymbolBaseCollection collection = null;
//read columns
for (int i = 0; i < cols; ++i)
{
short flag = @in.readShort();
int form = flag >> 8;
int type = flag & 0xff;
bool extended = type >= 128;
if (type >= 128)
{
type -= 128;
}
DATA_FORM df = (DATA_FORM)form;
DATA_TYPE dt = (DATA_TYPE)type;
if (df != DATA_FORM.DF_VECTOR)
{
throw new IOException("Invalid form for column [" + names_[i] + "] for table " + _tableName);
}
IVector vector;
if (dt == DATA_TYPE.DT_SYMBOL && extended)
{
if (collection == null)
{
collection = new SymbolBaseCollection();
}
vector = new BasicSymbolVector(df, @in, collection);
}
else if (dt == DATA_TYPE.DT_COMPRESS)
{
if (decompressor == null)
{
decompressor = new VectorDecompressor();
}
vector = decompressor.Decompress(factory, @in, false, true);
}
else
{
vector = (IVector)factory.createEntity(df, dt, @in, extended);
}
if (vector.rows() != rows && vector.rows() != 1)
{
int tmp = vector.rows();
throw new IOException("The number of rows for column " + names_[i] + " is not consistent with other columns");
}
columns_.Add(vector);
}
}
