@Override
public HGPersistentHandle store(Object instance) {
EinsteinTensorElem<Z, R, S> oid = (EinsteinTensorElem<Z, R, S>) (instance);
HGHandle contravarHandle =
graph.add(
oid.getContravariantIndices()); // hg.assertAtom(graph, oid.getContravariantIndices()
// ); !!!!!!!!!!!!!!!!!!!!!
HGHandle covarHandle =
graph.add(oid.getCovariantIndices()); // hg.assertAtom(graph, oid.getCovariantIndices() );
// !!!!!!!!!!!!!!!!!!!!!!!!!!
HGHandle facHandle = hg.assertAtom(graph, oid.getFac().getFac());
final HashMap<ArrayList<BigInteger>, R> map = new HashMap<ArrayList<BigInteger>, R>();
for (final Entry<ArrayList<BigInteger>, R> ii : oid.getEntrySet()) {
ArrayList<BigInteger> key = ii.getKey();
R val = ii.getValue();
map.put(key, val);
}
HGHandle mapHandle = hg.assertAtom(graph, map);
HGPersistentHandle[] hn = {
contravarHandle.getPersistent(),
covarHandle.getPersistent(),
facHandle.getPersistent(),
mapHandle.getPersistent()
};
return (graph.getStore().store(hn));
}
@Override
public Object make(
HGPersistentHandle handle, LazyRef<HGHandle[]> targetSet, IncidenceSetRef incidenceSet) {
HGHandle[] layout = graph.getStore().getLink(handle);
ArrayList<Z> contravar = graph.get(layout[0]);
ArrayList<Z> covar = graph.get(layout[1]);
S fac = graph.get(layout[2]);
Map<ArrayList<BigInteger>, R> map = graph.get(layout[3]);
if (contravar == null) throw (new RuntimeException("Failed"));
if (covar == null) throw (new RuntimeException("Failed"));
if (fac == null) throw (new RuntimeException("Failed"));
if (map == null) throw (new RuntimeException("Failed"));
final EinsteinTensorElem<Z, R, S> et = new EinsteinTensorElem<Z, R, S>(fac, contravar, covar);
for (final Entry<ArrayList<BigInteger>, R> ii : map.entrySet()) {
ArrayList<BigInteger> key = ii.getKey();
R val = ii.getValue();
et.setVal(key, val);
}
return (et);
}