Package org.apache.accumulo.core.client

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

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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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    List<String> tableNames = (List<String>) state.get("tables");
   
    String tableName = tableNames.get(rand.nextInt(tableNames.size()));
   
    try {
      RowIterator iter = new RowIterator(new IsolatedScanner(conn.createScanner(tableName, Authorizations.EMPTY)));
     
      while (iter.hasNext()) {
        PeekingIterator<Entry<Key,Value>> row = new PeekingIterator<Entry<Key,Value>>(iter.next());
        Entry<Key,Value> kv = null;
        if (row.hasNext())
          kv = row.peek();
        while (row.hasNext()) {
          Entry<Key,Value> currentKV = row.next();
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      RowIterator rowIterator;

      @Override
      public void initialize(InputSplit inSplit, TaskAttemptContext attempt) throws IOException {
        super.initialize(inSplit, attempt);
        rowIterator = new RowIterator(scannerIterator);
        currentK = new Text();
        currentV = null;
      }

      @Override
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      }
    }
   
    scanner.clearColumns();
    scanner.fetchColumnFamily(BulkPlusOne.MARKER_CF);
    RowIterator rowIter = new RowIterator(scanner);
   
    while (rowIter.hasNext()) {
      Iterator<Entry<Key,Value>> row = rowIter.next();
      long prev = 0;
      Text rowText = null;
      while (row.hasNext()) {
        Entry<Key,Value> entry = row.next();
       
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      scanner.fetchColumnFamily(MetadataSchema.TabletsSection.LastLocationColumnFamily.NAME);
      scanner.fetchColumnFamily(MetadataSchema.TabletsSection.CurrentLocationColumnFamily.NAME);
      scanner.fetchColumnFamily(MetadataSchema.TabletsSection.FutureLocationColumnFamily.NAME);
      scanner.setRange(metadataRange);

      RowIterator rowIter = new RowIterator(scanner);
      KeyExtent lastExtent = null;
      while (rowIter.hasNext()) {
        Iterator<Map.Entry<Key,Value>> row = rowIter.next();
        String last = "";
        KeyExtent extent = null;
        String location = null;

        while (row.hasNext()) {
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      scanner = new IsolatedScanner(scanner);
      TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.fetch(scanner);
      scanner.fetchColumnFamily(TabletsSection.CurrentLocationColumnFamily.NAME);
      scanner.setRange(range);

      RowIterator rowIter = new RowIterator(scanner);

      KeyExtent lastExtent = null;

      int total = 0;
      int waitFor = 0;
      int holes = 0;
      Text continueRow = null;
      MapCounter<String> serverCounts = new MapCounter<String>();

      while (rowIter.hasNext()) {
        Iterator<Entry<Key,Value>> row = rowIter.next();

        total++;

        KeyExtent extent = null;
        String future = null;
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    // either disappear entirely or not all.. this is important for the case
    // where the process terminates in the loop below...
    scanner = conn.createScanner(info.getExtent().isMeta() ? RootTable.NAME : MetadataTable.NAME, Authorizations.EMPTY);
    Master.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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        TabletsSection.ServerColumnFamily.FLUSH_COLUMN.fetch(scanner);
        TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.fetch(scanner);
        scanner.fetchColumnFamily(TabletsSection.CurrentLocationColumnFamily.NAME);
        scanner.fetchColumnFamily(LogColumnFamily.NAME);

        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(MetadataTable.NAME, Authorizations.EMPTY);
    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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    TabletsSection.ServerColumnFamily.COMPACT_COLUMN.fetch(scanner);
    TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.fetch(scanner);
    scanner.fetchColumnFamily(TabletsSection.CurrentLocationColumnFamily.NAME);

    long t1 = System.currentTimeMillis();
    RowIterator ri = new RowIterator(scanner);

    int tabletsToWaitFor = 0;
    int tabletCount = 0;

    while (ri.hasNext()) {
      Iterator<Entry<Key,Value>> row = ri.next();
      long tabletCompactID = -1;

      TServerInstance server = null;

      Entry<Key,Value> entry = null;
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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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