public ValueContainerImpl<T> read(final DataInput in) throws IOException {
DataInputStream stream = (DataInputStream) in;
final ValueContainerImpl<T> valueContainer = new ValueContainerImpl<T>();
while (stream.available() > 0) {
final int valueCount = DataInputOutputUtil.readSINT(in);
if (valueCount < 0) {
valueContainer.removeAllValues(-valueCount);
valueContainer.setNeedsCompacting(true);
} else {
for (int valueIdx = 0; valueIdx < valueCount; valueIdx++) {
final T value = myExternalizer.read(in);
final int idCount = DataInputOutputUtil.readSINT(in);
for (int i = 0; i < idCount; i++) {
final int id = DataInputOutputUtil.readSINT(in);
if (id < 0) {
valueContainer.removeValue(-id, value);
valueContainer.setNeedsCompacting(true);
} else {
valueContainer.addValue(id, value);
}
}
}
}
}
return valueContainer;
}
