///////////////////////////////////////////////////////////////
// serialization
///////////////////////////////////////////////////////////////
private static SequencedFragment cloneBySerialization(SequencedFragment original)
throws IOException {
ByteArrayOutputStream outputBuffer = new ByteArrayOutputStream();
DataOutputStream dataOutput = new DataOutputStream(outputBuffer);
original.write(dataOutput);
dataOutput.close();
SequencedFragment newFrag = new SequencedFragment();
newFrag.readFields(new DataInputStream(new ByteArrayInputStream(outputBuffer.toByteArray())));
return newFrag;
}
