Package org.apache.accumulo.server.util

Examples of org.apache.accumulo.server.util.TabletIterator

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    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
    while (tabletIterator.hasNext()) {
      Map<Key,Value> tabletKeyValues = tabletIterator.next();
     
      for (Entry<Key,Value> entry : tabletKeyValues.entrySet()) {
        if (entry.getKey().getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)
            || entry.getKey().getColumnFamily().equals(Constants.METADATA_SCANFILE_COLUMN_FAMILY)) {
         
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    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    ColumnFQ.fetch(scanner, Constants.METADATA_DIRECTORY_COLUMN);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
    while (tabletIterator.hasNext()) {
      Map<Key,Value> tabletKeyValues = tabletIterator.next();
     
      for (Entry<Key,Value> entry : tabletKeyValues.entrySet()) {
        if (entry.getKey().getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)
            || entry.getKey().getColumnFamily().equals(Constants.METADATA_SCANFILE_COLUMN_FAMILY)) {
         
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    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
    while (tabletIterator.hasNext()) {
      Map<Key,Value> tabletKeyValues = tabletIterator.next();
     
      for (Entry<Key,Value> entry : tabletKeyValues.entrySet()) {
        if (entry.getKey().getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)
            || entry.getKey().getColumnFamily().equals(Constants.METADATA_SCANFILE_COLUMN_FAMILY)) {
         
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      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
        public Iterator<Entry<Key,Value>> apply(Map<Key,Value> input) {
          return input.entrySet().iterator();
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    scanner.setRange(Constants.METADATA_KEYSPACE);
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, false, false);
   
    while (tabletIterator.hasNext()) {
      Map<Key,Value> tabletKeyValues = tabletIterator.next();
     
      for (Entry<Key,Value> entry : tabletKeyValues.entrySet()) {
        if (entry.getKey().getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)
            || entry.getKey().getColumnFamily().equals(Constants.METADATA_SCANFILE_COLUMN_FAMILY)) {
          String table = new String(KeyExtent.tableOfMetadataRow(entry.getKey().getRow()));
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    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    ColumnFQ.fetch(scanner, Constants.METADATA_DIRECTORY_COLUMN);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
    while (tabletIterator.hasNext()) {
      Map<Key,Value> tabletKeyValues = tabletIterator.next();
     
      for (Entry<Key,Value> entry : tabletKeyValues.entrySet()) {
        if (entry.getKey().getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)
            || entry.getKey().getColumnFamily().equals(Constants.METADATA_SCANFILE_COLUMN_FAMILY)) {
         
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    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
    while (tabletIterator.hasNext()) {
      Map<Key,Value> tabletKeyValues = tabletIterator.next();
     
      for (Entry<Key,Value> entry : tabletKeyValues.entrySet()) {
        if (entry.getKey().getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)
            || entry.getKey().getColumnFamily().equals(Constants.METADATA_SCANFILE_COLUMN_FAMILY)) {
         
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      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
        public Iterator<Entry<Key,Value>> apply(Map<Key,Value> input) {
          return input.entrySet().iterator();
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    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    ColumnFQ.fetch(scanner, Constants.METADATA_DIRECTORY_COLUMN);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
    while (tabletIterator.hasNext()) {
      Map<Key,Value> tabletKeyValues = tabletIterator.next();
     
      for (Entry<Key,Value> entry : tabletKeyValues.entrySet()) {
        if (entry.getKey().getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)
            || entry.getKey().getColumnFamily().equals(Constants.METADATA_SCANFILE_COLUMN_FAMILY)) {
         
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    scanner.setRange(Constants.METADATA_KEYSPACE);
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, false, false);
   
    while (tabletIterator.hasNext()) {
      Map<Key,Value> tabletKeyValues = tabletIterator.next();
     
      for (Entry<Key,Value> entry : tabletKeyValues.entrySet()) {
        if (entry.getKey().getColumnFamily().equals(Constants.METADATA_DATAFILE_COLUMN_FAMILY)
            || entry.getKey().getColumnFamily().equals(Constants.METADATA_SCANFILE_COLUMN_FAMILY)) {
          String table = new String(KeyExtent.tableOfMetadataRow(entry.getKey().getRow()));
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Related Classes of org.apache.accumulo.server.util.TabletIterator

  • org.apache.accumulo.core.data.Key
  • org.apache.accumulo.core.data.KeyExtent
  • org.apache.accumulo.core.data.Range
  • org.apache.accumulo.core.data.Value
  • org.apache.accumulo.gc.SimpleGarbageCollector$GCEnv
  • org.apache.accumulo.server.gc.SimpleGarbageCollector
  • org.apache.hadoop.io.Text
  • java.util.NoSuchElementException
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