How to use

getEnsembles

method

in

org.apache.bookkeeper.client.LedgerMetadata

@Override
public String[] getLocations()
    throws IOException, InterruptedException {
  Set<String> locations = Sets.newHashSet();
  for (ArrayList<BookieSocketAddress> ensemble : ledgerMetadata.getEnsembles().values()) {
    for (BookieSocketAddress host : ensemble) {
      locations.add(host.getHostName());
    }
  }
  return locations.toArray(new String[locations.size()]);
}

static public SortedMap<Long, ArrayList<BookieSocketAddress>> bookiesForLedger(final LedgerHandle lh) {
  return lh.getLedgerMetadata().getEnsembles();
}

private Map<Long, Integer> inspectLedger(LedgerMetadata metadata, Set<BookieSocketAddress> bookiesToInspect) {
  Map<Long, Integer> numBookiesToReplacePerEnsemble = new TreeMap<Long, Integer>();
  for (Map.Entry<Long, ArrayList<BookieSocketAddress>> ensemble : metadata.getEnsembles().entrySet()) {
    ArrayList<BookieSocketAddress> bookieList = ensemble.getValue();
    System.out.print(ensemble.getKey() + ":\t");
    int numBookiesToReplace = 0;
    for (BookieSocketAddress bookie: bookieList) {
      System.out.print(bookie.toString());
      if (bookiesToInspect.contains(bookie)) {
        System.out.print("*");
        ++numBookiesToReplace;
      } else {
        System.out.print(" ");
      }
      System.out.print(" ");
    }
    System.out.println();
    numBookiesToReplacePerEnsemble.put(ensemble.getKey(), numBookiesToReplace);
  }
  return numBookiesToReplacePerEnsemble;
}

private String getEnsembleDescription(org.apache.bookkeeper.client.LedgerMetadata bkLm) {
  return bkLm.getEnsembles().entrySet().stream()
        .map(e -> String.format("%d:[%s]", e.getKey(), e.getValue().stream().map(Object::toString).collect(Collectors.joining(","))))
        .collect(Collectors.joining(","));
}