Examples of MetaScannerVisitor

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

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      final byte [] tableName, final byte [] rowKey)
  throws IOException {
    final AtomicReference<Pair<HRegionInfo, ServerName>> result =
      new AtomicReference<Pair<HRegionInfo, ServerName>>(null);

    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

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    @Override
    public boolean isTableAvailable(final TableName 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 {
          HRegionInfo info = MetaScanner.getHRegionInfo(row);
          if (info != null && !info.isSplitParent()) {
            if (tableName.equals(info.getTable())) {
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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

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    @Override
    public boolean isTableAvailable(final TableName tableName, final byte[][] splitKeys)
        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 {
          HRegionInfo info = MetaScanner.getHRegionInfo(row);
          if (info != null && !info.isSplitParent()) {
            if (tableName.equals(info.getTable())) {
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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

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     */
    private void prefetchRegionCache(final TableName tableName,
        final byte[] row) {
      // Implement a new visitor for MetaScanner, and use it to walk through
      // the hbase:meta
      MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
        public boolean processRow(Result result) throws IOException {
          try {
            HRegionInfo regionInfo = MetaScanner.getHRegionInfo(result);
            if (regionInfo == null) {
              return true;
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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

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

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    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 {
          HRegionInfo info = HRegionInfo.getHRegionInfo(data);
          if (info == null) {
            LOG.warn("No serialized HRegionInfo in " + data);
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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

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      final TableName tableName, final byte [] rowKey)
  throws IOException {
    final AtomicReference<Pair<HRegionInfo, ServerName>> result =
      new AtomicReference<Pair<HRegionInfo, ServerName>>(null);

    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

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  /**
   * Scan hbase:meta, adding all regions found to the regionInfo map.
   * @throws IOException if an error is encountered
   */
  boolean loadMetaEntries() throws IOException {
    MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
      int countRecord = 1;

      // comparator to sort KeyValues with latest modtime
      final Comparator<Cell> comp = new Comparator<Cell>() {
        @Override
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Examples of org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor

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      final byte [] tableName, final byte [] rowKey)
  throws IOException {
    final AtomicReference<Pair<HRegionInfo, ServerName>> result =
      new AtomicReference<Pair<HRegionInfo, ServerName>>(null);

    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

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    // Use a comparator that has split parents come before its daughters.
    final Map<HRegionInfo, Result> splitParents =
      new TreeMap<HRegionInfo, Result>(new SplitParentFirstComparator());
    // This visitor collects split parents and counts rows in the .META. table

    MetaScannerVisitor visitor = new MetaScanner.BlockingMetaScannerVisitor(server.getConfiguration()) {
      @Override
      public boolean processRowInternal(Result r) throws IOException {
        if (r == null || r.isEmpty()) return true;
        count.incrementAndGet();
        HRegionInfo info = getHRegionInfo(r);
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