private void writeVersion2(final ObjectOutput out) throws IOException {
assert iv2val.size() == val2iv.size();
// compute a checksum on the hash codes of the URIs.
long checksum = 0;
for (Value value : val2iv.keySet()) {
checksum += value.hashCode();
}
// write on the #of declarations.
LongPacker.packLong(out, decls.size());
// write on the #of values.
LongPacker.packLong(out, val2iv.size());
// write out the checksum.
out.writeLong(checksum);
// The namespace of the KB instance.
out.writeUTF(valueFactory.getNamespace());
// for (VocabularyDecl decl : decls) {
//
// // The class name of the vocabulary declaration.
// out.writeUTF(decl.getClass().getName());
//
// }
}
public final String getNamespace() {
return valueFactory.getNamespace();
}