Examples of MetaScannerVisitor

Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

    for (int tries = 0; tries < this.numRetries * this.retryLongerMultiplier;
      ++tries) {
      if (!doneWithMetaScan) {
        // Wait for new table to come on-line
        final AtomicInteger actualRegCount = new AtomicInteger(0);
        MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
          @Override
          public boolean processRow(Result rowResult) throws IOException {
            if (rowResult == null || rowResult.size() <= 0) {
              return true;
            }

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

    Pair<HRegionInfo, ServerName> pair = MetaReader.getRegion(ct, tableNameOrRegionName);
    if (pair == null) {
      final AtomicReference<Pair<HRegionInfo, ServerName>> result =
        new AtomicReference<Pair<HRegionInfo, ServerName>>(null);
      final String encodedName = Bytes.toString(tableNameOrRegionName);
      MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
        @Override
        public boolean processRow(Result data) throws IOException {
          if (data == null || data.size() <= 0) {
            return true;
          }

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

    }


    public boolean isTableAvailable(final byte[] tableName) throws IOException {
      final AtomicBoolean available = new AtomicBoolean(true);
      final AtomicInteger regionCount = new AtomicInteger(0);
      MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
        @Override
        public boolean processRow(Result row) throws IOException {
          byte[] value = row.getValue(HConstants.CATALOG_FAMILY,
              HConstants.REGIONINFO_QUALIFIER);
          HRegionInfo info = Writables.getHRegionInfoOrNull(value);

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

     */
    private void prefetchRegionCache(final byte[] tableName,
        final byte[] row) {
      // Implement a new visitor for MetaScanner, and use it to walk through
      // the .META.
      MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
        public boolean processRow(Result result) throws IOException {
          try {
            byte[] value = result.getValue(HConstants.CATALOG_FAMILY,
                HConstants.REGIONINFO_QUALIFIER);
            HRegionInfo regionInfo = null;

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

      // Will remove later if we can fix it
      errors.reportError("Fatal error: unable to get root region location. Exiting...");
      return false;
    }


    MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
      int countRecord = 1;


      // comparator to sort KeyValues with latest modtime
      final Comparator<KeyValue> comp = new Comparator<KeyValue>() {
        public int compare(KeyValue k1, KeyValue k2) {

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

    public HTableDescriptor[] listTables() throws IOException {
      getMaster();
      final TreeSet<HTableDescriptor> uniqueTables =
        new TreeSet<HTableDescriptor>();


      MetaScannerVisitor visitor = new MetaScannerVisitor() {


        public boolean processRow(RowResult rowResult) throws IOException {
          HRegionInfo info = Writables.getHRegionInfo(
              rowResult.get(COL_REGIONINFO));

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

  @SuppressWarnings("unchecked")
  public Pair<byte[][],byte[][]> getStartEndKeys() throws IOException {
    final List<byte[]> startKeyList = new ArrayList<byte[]>();
    final List<byte[]> endKeyList = new ArrayList<byte[]>();


    MetaScannerVisitor visitor = new MetaScannerVisitor() {
      public boolean processRow(RowResult rowResult) throws IOException {
        HRegionInfo info = Writables.getHRegionInfo(
            rowResult.get(HConstants.COL_REGIONINFO));
        if (Bytes.equals(info.getTableDesc().getName(), getTableName())) {
          if (!(info.isOffline() || info.isSplit())) {

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

   */
  public Map<HRegionInfo, HServerAddress> getRegionsInfo() throws IOException {
    final Map<HRegionInfo, HServerAddress> regionMap =
      new TreeMap<HRegionInfo, HServerAddress>();


    MetaScannerVisitor visitor = new MetaScannerVisitor() {
      public boolean processRow(RowResult rowResult) throws IOException {
        HRegionInfo info = Writables.getHRegionInfo(
            rowResult.get(HConstants.COL_REGIONINFO));
        
        if (!(Bytes.equals(info.getTableDesc().getName(), getTableName()))) {

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

   */
  private int getNumRegionisOnPrimaryRS() throws IOException {
    final AtomicInteger regionOnPrimaryNum = new AtomicInteger(0);
    final AtomicInteger totalRegionNum = new AtomicInteger(0);
    LOG.info("The start of region placement verification");
    MetaScannerVisitor visitor = new MetaScannerVisitor() {
      public boolean processRow(Result result) throws IOException {
        try {
          HRegionInfo info = MetaScanner.getHRegionInfo(result);
          if(info.getTable().getNamespaceAsString()
              .equals(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR)) {

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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

    for (int tries = 0; tries < this.numRetries * this.retryLongerMultiplier;
      ++tries) {
      if (!doneWithMetaScan) {
        // Wait for new table to come on-line
        final AtomicInteger actualRegCount = new AtomicInteger(0);
        MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
          @Override
          public boolean processRow(Result rowResult) throws IOException {
            HRegionInfo info = HRegionInfo.getHRegionInfo(rowResult);
            if (info == null) {
              LOG.warn("No serialized HRegionInfo in " + rowResult);

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