Examples of org.apache.accumulo.core.data.Key.followingKey()

org.apache.accumulo.core.data.Key.followingKey()
Returns a key that will sort immediately after this key. @param part PartialKey except {@link PartialKey#ROW_COLFAM_COLQUAL_COLVIS_TIME_DEL}

    mdScanner.setRange(Constants.METADATA_KEYSPACE);
    mdScanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    Text row = extent.getMetadataEntry();
    
    Key endKey = new Key(row, Constants.METADATA_DATAFILE_COLUMN_FAMILY, new Text(""));
    endKey = endKey.followingKey(PartialKey.ROW_COLFAM);
    
    mdScanner.setRange(new Range(new Key(row), endKey));
    for (Entry<Key,Value> entry : mdScanner) {
      
      if (!entry.getKey().getRow().equals(row))

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    SortedMap<String,DataFileValue> origDatafileSizes = new TreeMap<String,DataFileValue>();
    SortedMap<String,DataFileValue> highDatafileSizes = new TreeMap<String,DataFileValue>();
    SortedMap<String,DataFileValue> lowDatafileSizes = new TreeMap<String,DataFileValue>();
    scanner3.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner3.setRange(new Range(rowKey, rowKey.followingKey(PartialKey.ROW)));
    
    for (Entry<Key,Value> entry : scanner3) {
      if (entry.getKey().compareColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY) == 0) {
        origDatafileSizes.put(entry.getKey().getColumnQualifier().toString(), new DataFileValue(entry.getValue().get()));
      }

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    // check to see if prev tablet exist in metadata tablet
    Key prevRowKey = new Key(new Text(KeyExtent.getMetadataEntry(table, metadataPrevEndRow)));
    
    ScannerImpl scanner2 = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    scanner2.setRange(new Range(prevRowKey, prevRowKey.followingKey(PartialKey.ROW)));
    
    if (!scanner2.iterator().hasNext()) {
      log.debug("Prev tablet " + prevRowKey + " does not exist, need to create it " + metadataPrevEndRow + " " + prevPrevEndRow + " " + splitRatio);
      MetadataTable.addNewTablet(low, lowDirectory, tserver, lowDatafileSizes, credentials, time, lock);
    } else {

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  private static Scanner getTabletLogScanner(AuthInfo credentials, KeyExtent extent) {
    Scanner scanner = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    scanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
    Text start = extent.getMetadataEntry();
    Key endKey = new Key(start, Constants.METADATA_LOG_COLUMN_FAMILY);
    endKey = endKey.followingKey(PartialKey.ROW_COLFAM);
    scanner.setRange(new Range(new Key(start), endKey));
    return scanner;
  }
  
  static class LogEntryIterator implements Iterator<LogEntry> {

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    } else
      startKey = new Key(startRow);
    
    if (skipStartKey)
      startKey = startKey.followingKey(PartialKey.ROW);
    else
      startKey.setTimestamp(Long.MAX_VALUE);
    
    return getBatchFromServer(credentials, startKey, (Key) null, extent, server, results, fetchedColumns, size, authorizations, retry, conf);
  }

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    // clip caught the scanner going to a tablet passed the end of the scan range
    Range fence = new Range(new Text("10<"), false, new Text("~"), true);
    
    Key k1 = new Key(new Text("10<"), new Text("~tab"), new Text("~pr"));
    Range range = new Range(k1, true, k1.followingKey(PartialKey.ROW), false);
    
    runClipTest(fence, range);
    
    // scanner was not handling edge case properly...
    Range scanRange = new Range(new Key("10;007cdc5b0".getBytes(), "~tab".getBytes(), "~pr".getBytes(), "".getBytes(), 130962, false), false, new Key(new Text(

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        case 1:
          range = new Range(new Text(key));
          break;
        case 2:
          acuKey = new Key(row, key, cq);
          range = new Range(acuKey, true, acuKey.followingKey(PartialKey.ROW_COLFAM), false);
          break;
        case 3:
          acuKey = new Key(row, cf, key);
          range = new Range(acuKey, true, acuKey.followingKey(PartialKey.ROW_COLFAM_COLQUAL), false);
          break;

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          acuKey = new Key(row, key, cq);
          range = new Range(acuKey, true, acuKey.followingKey(PartialKey.ROW_COLFAM), false);
          break;
        case 3:
          acuKey = new Key(row, cf, key);
          range = new Range(acuKey, true, acuKey.followingKey(PartialKey.ROW_COLFAM_COLQUAL), false);
          break;
      }
      
      ranges.add(range);
    }

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    }
    update = args.length > 0;
    final AuthInfo creds = SecurityConstants.systemCredentials;
    final Connector connector = HdfsZooInstance.getInstance().getConnector(creds.getUser(), creds.getPassword());
    final Key rootTableEnd = new Key(Constants.ROOT_TABLET_EXTENT.getEndRow());
    final Range range = new Range(rootTableEnd.followingKey(PartialKey.ROW), true, Constants.METADATA_RESERVED_KEYSPACE_START_KEY, false);
    final Scanner scanner = connector.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    scanner.setRange(range);
    final Configuration conf = new Configuration();
    final FileSystem fs = FileSystem.get(conf);

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      Authorizations authorizations = cl.hasOption(selectOptAuths.getOpt()) ? parseAuthorizations(cl.getOptionValue(selectOptAuths.getOpt()))
          : Constants.NO_AUTHS;
      Scanner scanner = shellState.connector.createScanner(shellState.tableName.toString(), authorizations);
      
      Key key = new Key(new Text(cl.getArgs()[0]), new Text(cl.getArgs()[1]), new Text(cl.getArgs()[2]));
      scanner.setRange(new Range(key, key.followingKey(PartialKey.ROW_COLFAM_COLQUAL)));
      
      // output the records
      shellState.printRecords(scanner, cl.hasOption(timestampOpt.getOpt()), !cl.hasOption(disablePaginationOpt.getOpt()));
      return 0;
    }

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