Examples of HbaseMapWritable


Examples of org.apache.hadoop.hbase.io.HbaseMapWritable

   * @return Map of columns to values.  Map is empty if row does not exist.
   * @throws IOException
   */
  public SortedMap<Text, byte[]> getRow(Text row, long ts) throws IOException {
    checkClosed();
    HbaseMapWritable value = null;
    for (int tries = 0; tries < numRetries; tries++) {
      HRegionLocation r = getRegionLocation(row);
      HRegionInterface server =
        connection.getHRegionConnection(r.getServerAddress());
     
      try {
        value = server.getRow(r.getRegionInfo().getRegionName(), row, ts);
        break;
       
      } catch (IOException e) {
        if (e instanceof RemoteException) {
          e = RemoteExceptionHandler.decodeRemoteException((RemoteException) e);
        }
        if (tries == numRetries - 1) {
          // No more tries
          throw e;
        }
        if (LOG.isDebugEnabled()) {
          LOG.debug("reloading table servers because: " + e.getMessage());
        }
        r = getRegionLocation(row, true);
      }
      try {
        Thread.sleep(this.pause);
      } catch (InterruptedException x) {
        // continue
      }
    }
    SortedMap<Text, byte[]> results = new TreeMap<Text, byte[]>();
    if (value != null && value.size() != 0) {
      for (Map.Entry<Writable, Writable> e: value.entrySet()) {
        HStoreKey key = (HStoreKey) e.getKey();
        results.put(key.getColumn(),
            ((ImmutableBytesWritable) e.getValue()).get());
      }
    }
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