public Key importFile(int i, Futures fs) {
if (_ok[i] < H2O.CLOUD.size()) return null;
File f = new File(_files[i]);
Key k;
if (_newApi) {
k = PersistNFS.decodeFile(f);
NFSFileVec nfs = DKV.get(NFSFileVec.make(f, fs)).get();
UKV.put(k, new Frame(new String[] {"0"}, new Vec[] {nfs}), fs);
} else {
k = PersistNFS.decodeFile(f);
long size = f.length();
Value val =
(size < 2 * ValueArray.CHUNK_SZ)
? new Value(k, (int) size, Value.NFS)
: new Value(k, new ValueArray(k, size), Value.NFS);
val.setdsk();
UKV.put(k, val, fs);
}
return k;
}
// Make a new NFSFileVec key which holds the filename implicitly.
// This name is used by the DVecs to load data on-demand.
public static Key make(File f) {
long size = f.length();
Key k1 = PersistNFS.decodeFile(f);
byte[] bits = new byte[1 + 1 + 4 + k1._kb.length];
bits[0] = Key.VEC;
bits[1] = 0; // Not homed
UDP.set4(bits, 2, -1); // 0xFFFFFFFF in the chunk# area
System.arraycopy(k1._kb, 0, bits, 1 + 1 + 4, k1._kb.length);
Key k = Key.make(bits);
// Insert the top-level FileVec key into the store
DKV.put(k, new NFSFileVec(k, size));
return k;
}