Examples of org.apache.hadoop.hbase.HRegionInfo

org.apache.hadoop.hbase.HRegionInfo
HRegion information. Contains HRegion id, start and end keys, a reference to this HRegions' table descriptor, etc.

          }
          continue;
        }
        List<Pair<HRegionInfo, Result>> regions = deadServer.getValue();
        for (Pair<HRegionInfo, Result> region : regions) {
          HRegionInfo regionInfo = region.getFirst();
          Result result = region.getSecond();
          // If region was in transition (was in zk) force it offline for
          // reassign
          try {
            RegionTransitionData data = ZKAssign.getData(watcher,
                regionInfo.getEncodedName());


            // If zk node of this region has been updated by a live server,
            // we consider that this region is being handled.
            // So we should skip it and process it in
            // processRegionsInTransition.
            if (data != null && data.getOrigin() != null && 
                serverManager.isServerOnline(data.getOrigin())) {
              LOG.info("The region " + regionInfo.getEncodedName()
                  + "is being handled on " + data.getOrigin());
              continue;
            }
            // Process with existing RS shutdown code
            boolean assign = ServerShutdownHandler.processDeadRegion(
                regionInfo, result, this, this.catalogTracker);
            if (assign) {
              ZKAssign.createOrForceNodeOffline(watcher, regionInfo,
                  master.getServerName());
              if (!nodes.contains(regionInfo.getEncodedName())) {
                nodes.add(regionInfo.getEncodedName());
              }
            }
          } catch (KeeperException.NoNodeException nne) {
            // This is fine
          }

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   */
  public List<HRegionInfo> getRegionsOfTable(byte[] tableName) {
    List<HRegionInfo> tableRegions = new ArrayList<HRegionInfo>();
    // boundary needs to have table's name but regionID 0 so that it is sorted 
    // before all table's regions.
    HRegionInfo boundary =
      new HRegionInfo(tableName, null, null, false, 0L);
    synchronized (this.regions) {
      for (HRegionInfo regionInfo: this.regions.tailMap(boundary).keySet()) {
        if(Bytes.equals(regionInfo.getTableName(), tableName)) {
          tableRegions.add(regionInfo);
        } else {

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    }
    LOG.info("Min max keys are : [" + Bytes.toString(orphanRegionRange.getFirst()) + ", " +
        Bytes.toString(orphanRegionRange.getSecond()) + ")");


    // create new region on hdfs.  move data into place.
    HRegionInfo hri = new HRegionInfo(template.getName(), orphanRegionRange.getFirst(), orphanRegionRange.getSecond());
    LOG.info("Creating new region : " + hri);
    HRegion region = HBaseFsckRepair.createHDFSRegionDir(getConf(), hri, template);
    Path target = region.getRegionDir();


    // rename all the data to new region

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    Path regioninfo = new Path(regionDir, HRegion.REGIONINFO_FILE);
    FileSystem fs = regioninfo.getFileSystem(getConf());


    FSDataInputStream in = fs.open(regioninfo);
    HRegionInfo hri = new HRegionInfo();
    hri.readFields(in);
    in.close();
    LOG.debug("HRegionInfo read: " + hri.toString());
    hbi.hdfsEntry.hri = hri;
  }

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   * @return an open .META. HRegion
   */
  private HRegion createNewRootAndMeta() throws IOException {
    Path rootdir = new Path(getConf().get(HConstants.HBASE_DIR));
    Configuration c = getConf();
    HRegionInfo rootHRI = new HRegionInfo(HRegionInfo.ROOT_REGIONINFO);
    MasterFileSystem.setInfoFamilyCachingForRoot(false);
    HRegionInfo metaHRI = new HRegionInfo(HRegionInfo.FIRST_META_REGIONINFO);
    MasterFileSystem.setInfoFamilyCachingForMeta(false);
    HRegion root = HRegion.createHRegion(rootHRI, rootdir, c,
        HTableDescriptor.ROOT_TABLEDESC);
    HRegion meta = HRegion.createHRegion(metaHRI, rootdir, c,
        HTableDescriptor.META_TABLEDESC);

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          continue;
        }


        // add the row directly to meta.
        HbckInfo hi = his.iterator().next();
        HRegionInfo hri = hi.getHdfsHRI(); // hi.metaEntry;
        Put p = new Put(hri.getRegionName());
        p.add(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER,
            Writables.getBytes(hri));
        puts.add(p);
      }
    }

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    d.deleteColumn(HConstants.CATALOG_FAMILY, HConstants.SPLITA_QUALIFIER);
    d.deleteColumn(HConstants.CATALOG_FAMILY, HConstants.SPLITB_QUALIFIER);
    mutations.add(d);


    Put p = new Put(hi.metaEntry.getRegionName());
    HRegionInfo hri = new HRegionInfo(hi.metaEntry);
    hri.setOffline(false);
    hri.setSplit(false);
    p.add(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER,
      Writables.getBytes(hri));
    mutations.add(p);


    meta.mutateRow(mutations);

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    }
    long startcode = Bytes.toLong(startcodeBytes);


    ServerName hsa = new ServerName(Bytes.toString(value), startcode);
    byte[] hriVal = r.getValue(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
    HRegionInfo hri= Writables.getHRegionInfoOrNull(hriVal);
    if (hri == null) {
      LOG.warn("Unable to close region " + hi.getRegionNameAsString()
          + " because META had invalid or missing "
          + HConstants.CATALOG_FAMILY_STR + ":"
          + Bytes.toString(HConstants.REGIONINFO_QUALIFIER)

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    // If we are trying to fix the errors
    if (shouldFixAssignments()) {
      errors.print(msg);
      undeployRegions(hbi);
      setShouldRerun();
      HRegionInfo hri = hbi.getHdfsHRI();
      if (hri == null) {
        hri = hbi.metaEntry;
      }
      HBaseFsckRepair.fixUnassigned(admin, hri);
      HBaseFsckRepair.waitUntilAssigned(admin, hri);

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          }
          ServerName sn = null;
          if (pair.getSecond() != null) {
            sn = pair.getSecond();
          }
          HRegionInfo hri = pair.getFirst();
          if (!(isTableIncluded(hri.getTableNameAsString())
              || hri.isMetaRegion() || hri.isRootRegion())) {
            return true;
          }
          PairOfSameType<HRegionInfo> daughters = MetaReader.getDaughterRegions(result);
          MetaEntry m = new MetaEntry(hri, sn, ts, daughters.getFirst(), daughters.getSecond());
          HbckInfo hbInfo = new HbckInfo(m);
          HbckInfo previous = regionInfoMap.put(hri.getEncodedName(), hbInfo);
          if (previous != null) {
            throw new IOException("Two entries in META are same " + previous);
          }


          // show proof of progress to the user, once for every 100 records.

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