@Override
public byte[] toBinary() {
int byteBufferLength = 20 + (2 * orderedSfcIndexToTierId.size());
final List<byte[]> orderedSfcBinaries = new ArrayList<byte[]>(orderedSfcs.length);
final List<byte[]> dimensionBinaries = new ArrayList<byte[]>(baseDefinitions.length);
for (final SpaceFillingCurve sfc : orderedSfcs) {
final byte[] sfcBinary = PersistenceUtils.toBinary(sfc);
byteBufferLength += (4 + sfcBinary.length);
orderedSfcBinaries.add(sfcBinary);
}
for (final NumericDimensionDefinition dimension : baseDefinitions) {
final byte[] dimensionBinary = PersistenceUtils.toBinary(dimension);
byteBufferLength += (4 + dimensionBinary.length);
dimensionBinaries.add(dimensionBinary);
}
final ByteBuffer buf = ByteBuffer.allocate(byteBufferLength);
buf.putInt(orderedSfcs.length);
buf.putInt(baseDefinitions.length);
buf.putInt(orderedSfcIndexToTierId.size());
buf.putLong(maxEstimatedDuplicateIds);
for (final byte[] sfcBinary : orderedSfcBinaries) {
buf.putInt(sfcBinary.length);
buf.put(sfcBinary);
}
for (final byte[] dimensionBinary : dimensionBinaries) {
buf.putInt(dimensionBinary.length);
buf.put(dimensionBinary);
}
for (final Entry<Integer, Byte> entry : orderedSfcIndexToTierId.entrySet()) {
buf.put(entry.getKey().byteValue());
buf.put(entry.getValue());
}
return buf.array();
}
@Override
public Set<ByteArrayId> getNaturalSplits() {
final Set<ByteArrayId> retVal = new HashSet<ByteArrayId>(orderedSfcIndexToTierId.size());
for (final Byte tier : orderedSfcIndexToTierId.values()) {
retVal.add(new ByteArrayId(new byte[] {tier}));
}
return retVal;
}