Package org.apache.accumulo.core.client

Examples of org.apache.accumulo.core.client.IsolatedScanner.fetchColumnFamily()

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    String row = what + ":" + when;
   
    // its important to use an isolated scanner so that only whole mutations are seen
    Scanner scanner = new IsolatedScanner(conn.createScanner(rTable, Authorizations.EMPTY));
    scanner.setRange(new Range(row));
    scanner.fetchColumnFamily(new Text("res"));
   
    List<String> reservations = new ArrayList<String>();
   
    for (Entry<Key,Value> entry : scanner) {
      String val = entry.getValue().toString();
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    // determine which failed files were loaded
    AuthInfo creds = SecurityConstants.getSystemCredentials();
    Connector conn = HdfsZooInstance.getInstance().getConnector(creds.user, creds.password);
    Scanner mscanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(Constants.METADATA_BULKFILE_COLUMN_FAMILY);
   
    for (Entry<Key,Value> entry : mscanner) {
      if (Long.parseLong(entry.getValue().toString()) == tid) {
        String loadedFile = entry.getKey().getColumnQualifier().toString();
        String absPath = failures.remove(loadedFile);
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        try {
          Connector conn = getConnector();
          Scanner scanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
          ColumnFQ.fetch(scanner, Constants.METADATA_FLUSH_COLUMN);
          ColumnFQ.fetch(scanner, Constants.METADATA_DIRECTORY_COLUMN);
          scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
          scanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
          scanner.setRange(new KeyExtent(new Text(tableId), null, ByteBufferUtil.toText(startRow)).toMetadataRange());
         
          // TODO this used to be TabletIterator... any problems with splits/merges?
          RowIterator ri = new RowIterator(scanner);
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          Connector conn = getConnector();
          Scanner scanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
          ColumnFQ.fetch(scanner, Constants.METADATA_FLUSH_COLUMN);
          ColumnFQ.fetch(scanner, Constants.METADATA_DIRECTORY_COLUMN);
          scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
          scanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
          scanner.setRange(new KeyExtent(new Text(tableId), null, ByteBufferUtil.toText(startRow)).toMetadataRange());
         
          // TODO this used to be TabletIterator... any problems with splits/merges?
          RowIterator ri = new RowIterator(scanner);
         
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    String tableName = MetadataTable.NAME;
    if (tableId.equals(MetadataTable.ID))
      tableName = RootTable.NAME;
    Scanner mscanner = new IsolatedScanner(conn.createScanner(tableName, Authorizations.EMPTY));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(DataFileColumnFamily.NAME);
    mscanner.fetchColumnFamily(TabletsSection.CurrentLocationColumnFamily.NAME);
    mscanner.fetchColumnFamily(TabletsSection.LastLocationColumnFamily.NAME);
    mscanner.fetchColumnFamily(ClonedColumnFamily.NAME);
    TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.fetch(mscanner);
    TabletsSection.ServerColumnFamily.TIME_COLUMN.fetch(mscanner);
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    if (tableId.equals(MetadataTable.ID))
      tableName = RootTable.NAME;
    Scanner mscanner = new IsolatedScanner(conn.createScanner(tableName, Authorizations.EMPTY));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(DataFileColumnFamily.NAME);
    mscanner.fetchColumnFamily(TabletsSection.CurrentLocationColumnFamily.NAME);
    mscanner.fetchColumnFamily(TabletsSection.LastLocationColumnFamily.NAME);
    mscanner.fetchColumnFamily(ClonedColumnFamily.NAME);
    TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.fetch(mscanner);
    TabletsSection.ServerColumnFamily.TIME_COLUMN.fetch(mscanner);
    return mscanner;
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      tableName = RootTable.NAME;
    Scanner mscanner = new IsolatedScanner(conn.createScanner(tableName, Authorizations.EMPTY));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(DataFileColumnFamily.NAME);
    mscanner.fetchColumnFamily(TabletsSection.CurrentLocationColumnFamily.NAME);
    mscanner.fetchColumnFamily(TabletsSection.LastLocationColumnFamily.NAME);
    mscanner.fetchColumnFamily(ClonedColumnFamily.NAME);
    TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.fetch(mscanner);
    TabletsSection.ServerColumnFamily.TIME_COLUMN.fetch(mscanner);
    return mscanner;
  }
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    Scanner mscanner = new IsolatedScanner(conn.createScanner(tableName, Authorizations.EMPTY));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(DataFileColumnFamily.NAME);
    mscanner.fetchColumnFamily(TabletsSection.CurrentLocationColumnFamily.NAME);
    mscanner.fetchColumnFamily(TabletsSection.LastLocationColumnFamily.NAME);
    mscanner.fetchColumnFamily(ClonedColumnFamily.NAME);
    TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.fetch(mscanner);
    TabletsSection.ServerColumnFamily.TIME_COLUMN.fetch(mscanner);
    return mscanner;
  }
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  }

  public static void removeBulkLoadEntries(Connector conn, String tableId, long tid) throws Exception {
    Scanner mscanner = new IsolatedScanner(conn.createScanner(MetadataTable.NAME, Authorizations.EMPTY));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(TabletsSection.BulkFileColumnFamily.NAME);
    BatchWriter bw = conn.createBatchWriter(MetadataTable.NAME, new BatchWriterConfig());
    for (Entry<Key,Value> entry : mscanner) {
      log.debug("Looking at entry " + entry + " with tid " + tid);
      if (Long.parseLong(entry.getValue().toString()) == tid) {
        log.debug("deleting entry " + entry);
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    List<FileRef> result = new ArrayList<FileRef>();
    try {
      VolumeManager fs = VolumeManagerImpl.get();
      Scanner mscanner = new IsolatedScanner(conn.createScanner(extent.isMeta() ? RootTable.NAME : MetadataTable.NAME, Authorizations.EMPTY));
      mscanner.setRange(extent.toMetadataRange());
      mscanner.fetchColumnFamily(TabletsSection.BulkFileColumnFamily.NAME);
      for (Entry<Key,Value> entry : mscanner) {
        if (Long.parseLong(entry.getValue().toString()) == tid) {
          result.add(new FileRef(fs, entry.getKey()));
        }
      }
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