private Map<Integer, BookieSocketAddress> getReplacedBookiesByIndexes(
LedgerHandle lh,
List<BookieSocketAddress> ensemble,
Set<Integer> bookieIndexesToRereplicate,
Optional<Set<BookieSocketAddress>> excludedBookies)
throws BKException.BKNotEnoughBookiesException {
// target bookies to replicate
Map<Integer, BookieSocketAddress> targetBookieAddresses =
Maps.newHashMapWithExpectedSize(bookieIndexesToRereplicate.size());
// bookies to exclude for ensemble allocation
Set<BookieSocketAddress> bookiesToExclude = Sets.newHashSet();
if (excludedBookies.isPresent()) {
bookiesToExclude.addAll(excludedBookies.get());
}
// excluding bookies that need to be replicated
for (Integer bookieIndex : bookieIndexesToRereplicate) {
BookieSocketAddress bookie = ensemble.get(bookieIndex);
bookiesToExclude.add(bookie);
}
// allocate bookies
for (Integer bookieIndex : bookieIndexesToRereplicate) {
BookieSocketAddress oldBookie = ensemble.get(bookieIndex);
BookieSocketAddress newBookie =
bkc.getPlacementPolicy()
.replaceBookie(
lh.getLedgerMetadata().getEnsembleSize(),
lh.getLedgerMetadata().getWriteQuorumSize(),
lh.getLedgerMetadata().getAckQuorumSize(),
ensemble,
oldBookie,
bookiesToExclude);
targetBookieAddresses.put(bookieIndex, newBookie);
bookiesToExclude.add(newBookie);
}
return targetBookieAddresses;
}
/** @return the metadata for the passed ledger handle */
public LedgerMetadata getLedgerMetadata(LedgerHandle lh) {
return lh.getLedgerMetadata();
}