Package org.apache.accumulo.core.client

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

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    // TODO document how data should be read when using ConditionalWriter
    Scanner scanner = new IsolatedScanner(conn.createScanner(table, Authorizations.EMPTY));

    scanner.setRange(new Range(bank));
    scanner.fetchColumnFamily(new Text(acct1));
    scanner.fetchColumnFamily(new Text(acct2));

    Account a1 = new Account();
    Account a2 = new Account();
    Account a;
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    // TODO document how data should be read when using ConditionalWriter
    Scanner scanner = new IsolatedScanner(conn.createScanner(table, Authorizations.EMPTY));

    scanner.setRange(new Range(bank));
    scanner.fetchColumnFamily(new Text(acct1));
    scanner.fetchColumnFamily(new Text(acct2));

    Account a1 = new Account();
    Account a2 = new Account();
    Account a;
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    @Override
    public Iterator<Entry<Key,Value>> getReferenceIterator() throws TableNotFoundException, AccumuloException, AccumuloSecurityException {
      IsolatedScanner scanner = new IsolatedScanner(instance.getConnector(credentials.getPrincipal(), credentials.getToken()).createScanner(tableName,
          Authorizations.EMPTY));
      scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
      scanner.fetchColumnFamily(ScanFileColumnFamily.NAME);
      TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.fetch(scanner);
      TabletIterator tabletIterator = new TabletIterator(scanner, MetadataSchema.TabletsSection.getRange(), false, true);

      return Iterators.concat(Iterators.transform(tabletIterator, new Function<Map<Key,Value>,Iterator<Entry<Key,Value>>>() {
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    @Override
    public Iterator<Entry<Key,Value>> getReferenceIterator() throws TableNotFoundException, AccumuloException, AccumuloSecurityException {
      IsolatedScanner scanner = new IsolatedScanner(instance.getConnector(credentials.getPrincipal(), credentials.getToken()).createScanner(tableName,
          Authorizations.EMPTY));
      scanner.fetchColumnFamily(DataFileColumnFamily.NAME);
      scanner.fetchColumnFamily(ScanFileColumnFamily.NAME);
      TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.fetch(scanner);
      TabletIterator tabletIterator = new TabletIterator(scanner, MetadataSchema.TabletsSection.getRange(), false, true);

      return Iterators.concat(Iterators.transform(tabletIterator, new Function<Map<Key,Value>,Iterator<Entry<Key,Value>>>() {
        @Override
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    // determine which failed files were loaded
    Connector conn = master.getConnector();
    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);
   
    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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  }
 
  private static Scanner createCloneScanner(String tableId, Connector conn) throws TableNotFoundException {
    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_DATAFILE_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CLONED_COLUMN_FAMILY);
    ColumnFQ.fetch(mscanner, Constants.METADATA_PREV_ROW_COLUMN);
    ColumnFQ.fetch(mscanner, Constants.METADATA_TIME_COLUMN);
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  private static Scanner createCloneScanner(String tableId, Connector conn) throws TableNotFoundException {
    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_DATAFILE_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CLONED_COLUMN_FAMILY);
    ColumnFQ.fetch(mscanner, Constants.METADATA_PREV_ROW_COLUMN);
    ColumnFQ.fetch(mscanner, Constants.METADATA_TIME_COLUMN);
    return mscanner;
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  private static Scanner createCloneScanner(String tableId, Connector conn) throws TableNotFoundException {
    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_DATAFILE_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CLONED_COLUMN_FAMILY);
    ColumnFQ.fetch(mscanner, Constants.METADATA_PREV_ROW_COLUMN);
    ColumnFQ.fetch(mscanner, Constants.METADATA_TIME_COLUMN);
    return mscanner;
  }
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