Package org.apache.accumulo.core.client

Examples of org.apache.accumulo.core.client.RowIterator

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      RowIterator rowIterator;

      @Override
      public void initialize(InputSplit inSplit, JobConf job) throws IOException {
        super.initialize(inSplit, job);
        rowIterator = new RowIterator(scannerIterator);
      }

      @Override
      public boolean next(Text key, PeekingIterator<Entry<Key,Value>> value) throws IOException {
        if (!rowIterator.hasNext())
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    Assert.assertFalse(failed.get());

    Scanner scanner = conn.createScanner(table, Authorizations.EMPTY);

    RowIterator rowIter = new RowIterator(scanner);

    while (rowIter.hasNext()) {
      Iterator<Entry<Key,Value>> row = rowIter.next();
      new Stats(row);
    }
  }
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          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);
         
          int tabletsToWaitFor = 0;
          int tabletCount = 0;
         
          Text ert = ByteBufferUtil.toText(endRow);
         
          while (ri.hasNext()) {
            Iterator<Entry<Key,Value>> row = ri.next();
            long tabletFlushID = -1;
            int logs = 0;
            boolean online = false;
           
            TServerInstance server = null;
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  private Pair<KeyExtent,String> getTabletFiles(Range nextRange, List<String> relFiles) throws TableNotFoundException {
    Scanner scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    scanner.setBatchSize(100);
    scanner.setRange(nextRange);
   
    RowIterator rowIter = new RowIterator(scanner);
    Iterator<Entry<Key,Value>> row = rowIter.next();
   
    KeyExtent extent = null;
    String location = null;
   
    while (row.hasNext()) {
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      scanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
      scanner.setRange(metadataRange);
     
      RowIterator rowIter = new RowIterator(scanner);
     
      // TODO check that extents match prev extent

      KeyExtent lastExtent = null;

      while (rowIter.hasNext()) {
        Iterator<Entry<Key,Value>> row = rowIter.next();
        String last = "";
        KeyExtent extent = null;
        String location = null;
       
        while (row.hasNext()) {
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      // either dissapear entirely or not all.. this is important for the case
      // where the process terminates in the loop below...
      scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
      log.debug("Deleting range " + scanRange);
      scanner.setRange(scanRange);
      RowIterator rowIter = new RowIterator(scanner);
      while (rowIter.hasNext()) {
        Iterator<Entry<Key,Value>> row = rowIter.next();
        m = null;
        while (row.hasNext()) {
          Entry<Key,Value> entry = row.next();
          Key key = entry.getKey();
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  @Override
  public long getRowCount(
      final String tableName,
      final String... additionalAuthorizations ) {
    RowIterator rowIterator;
    try {
      rowIterator = new RowIterator(
          connector.createScanner(
              getQualifiedTableName(tableName),
              (authorization == null) ? new Authorizations(
                  additionalAuthorizations) : new Authorizations(
                  (String[]) ArrayUtils.add(
                      additionalAuthorizations,
                      authorization))));
      while (rowIterator.hasNext()) {
        rowIterator.next();
      }
      return rowIterator.getKVCount();
    }
    catch (final TableNotFoundException e) {
      LOGGER.warn("Table '" + tableName + "' not found during count operation");
      return 0;
    }
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      // either dissapear entirely or not all.. this is important for the case
      // where the process terminates in the loop below...
      scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
      log.debug("Deleting range " + scanRange);
      scanner.setRange(scanRange);
      RowIterator rowIter = new RowIterator(scanner);
      while (rowIter.hasNext()) {
        Iterator<Entry<Key,Value>> row = rowIter.next();
        m = null;
        while (row.hasNext()) {
          Entry<Key,Value> entry = row.next();
          Key key = entry.getKey();
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          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);
         
          int tabletsToWaitFor = 0;
          int tabletCount = 0;
         
          Text ert = ByteBufferUtil.toText(endRow);
         
          while (ri.hasNext()) {
            Iterator<Entry<Key,Value>> row = ri.next();
            long tabletFlushID = -1;
            int logs = 0;
            boolean online = false;
           
            TServerInstance server = null;
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      scanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
      scanner.setRange(metadataRange);
     
      RowIterator rowIter = new RowIterator(scanner);
     
      // TODO check that extents match prev extent

      KeyExtent lastExtent = null;

      while (rowIter.hasNext()) {
        Iterator<Entry<Key,Value>> row = rowIter.next();
        String last = "";
        KeyExtent extent = null;
        String location = null;
       
        while (row.hasNext()) {
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Related Classes of org.apache.accumulo.core.client.RowIterator

  • mil.nga.giat.geowave.accumulo.BasicAccumuloOperations
  • org.apache.accumulo.core.client.impl.OfflineIterator
  • org.apache.accumulo.core.client.impl.TableOperationsImpl
  • org.apache.accumulo.core.client.mapred.AccumuloRowInputFormat
  • org.apache.accumulo.core.client.mapred.InputFormatBase
  • org.apache.accumulo.core.client.mapreduce.AccumuloRowInputFormat
  • org.apache.accumulo.core.client.mapreduce.InputFormatBase
  • org.apache.accumulo.core.client.mapreduce.lib.impl.InputConfigurator
  • org.apache.accumulo.master.MasterClientServiceHandler
  • org.apache.accumulo.master.tableOps.CompactionDriver
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