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.

  private byte[] getTableName(RegionCoprocessorEnvironment e) {
    HRegion region = e.getRegion();
    byte[] tableName = null;


    if (region != null) {
      HRegionInfo regionInfo = region.getRegionInfo();
      if (regionInfo != null) {
        tableName = regionInfo.getTableName();
      }
    }
    return tableName;
  }

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    HTableDescriptor htableDescriptor
      = new HTableDescriptor("testIdxRegionPerformance");
    htableDescriptor.addFamily(family1);
    htableDescriptor.addFamily(family2);
    HRegionInfo info = new HRegionInfo(htableDescriptor, null, null, false);
    Path path = new Path(DIR + htableDescriptor.getNameAsString());
    IdxRegion region = TestIdxRegion.createIdxRegion(info, path, conf);


    int numberOfRows = 10000;

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        for (IdxIndexDescriptor descriptor : familyPair.getSecond())
          idxColumnDescriptor.addIndexDescriptor(descriptor);
      }
      htd.addFamily(idxColumnDescriptor);
    }
    HRegionInfo info = new HRegionInfo(htd, null, null, false);
    Path path = new Path(DIR + callingMethod);
    region = createIdxRegion(info, path, conf);
    verifyMBean(region);
  }

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    Set<String> oldHostsNoLongerPresent = Sets.newTreeSet();


    int numRandomAssignments = 0;
    int numRetainedAssigments = 0;
    for (Map.Entry<HRegionInfo, ServerName> entry : regions.entrySet()) {
      HRegionInfo region = entry.getKey();
      ServerName oldServerName = entry.getValue();
      List<ServerName> localServers = new ArrayList<ServerName>();
      if (oldServerName != null) {
        localServers = serversByHostname.get(oldServerName.getHostname());
      }

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         regionIndex < cluster.regionIndexToServerIndex.length; regionIndex++) {
      int initialServerIndex = cluster.initialRegionIndexToServerIndex[regionIndex];
      int newServerIndex = cluster.regionIndexToServerIndex[regionIndex];


      if (initialServerIndex != newServerIndex) {
        HRegionInfo region = cluster.regions[regionIndex];
        ServerName initialServer = cluster.servers[initialServerIndex];
        ServerName newServer = cluster.servers[newServerIndex];


        if (LOG.isTraceEnabled()) {
          LOG.trace("Moving Region " + region.getEncodedName() + " from server "
              + initialServer.getHostname() + " to " + newServer.getHostname());
        }
        RegionPlan rp = new RegionPlan(region, initialServer, newServer);
        plans.add(rp);
      }

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    List<InputSplit> splits = new ArrayList<InputSplit>();
    for (String regionName : snapshotRegionNames) {
      // load region descriptor
      Path regionDir = new Path(snapshotDir, regionName);
      HRegionInfo hri = HRegionFileSystem.loadRegionInfoFileContent(fs,
          regionDir);


      if (CellUtil.overlappingKeys(scan.getStartRow(), scan.getStopRow(),
          hri.getStartKey(), hri.getEndKey())) {
        // compute HDFS locations from snapshot files (which will get the locations for
        // referred hfiles)
        List<String> hosts = getBestLocations(conf,
          HRegion.computeHDFSBlocksDistribution(conf, htd, hri, tableDir));

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      //load table descriptor
      HTableDescriptor htd = FSTableDescriptors.getTableDescriptorFromFs(fs, snapshotDir);


      //load region descriptor
      Path regionDir = new Path(snapshotDir, regionName);
      HRegionInfo hri = HRegionFileSystem.loadRegionInfoFileContent(fs, regionDir);


      // create scan
      String scanStr = conf.get(TableInputFormat.SCAN);
      if (scanStr == null) {
        throw new IllegalArgumentException("A Scan is not configured for this job");

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  protected void initHRegion(byte[] tableName, String callingMethod,
    HBaseConfiguration conf, byte[]... families)
    throws IOException {
    HTableDescriptor htd = constructTableDescriptor(tableName, families);
    HRegionInfo info = new HRegionInfo(htd, null, null, false);
    Path path = new Path(DIR + callingMethod);
    region = HRegion.createHRegion(info, path, conf);
  }

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          // (if we are not shutting down).
          if (!master.closed.get()) {
            for (int i = 1; i < msgs.length; i++) {
              LOG.info("Processing " + msgs[i] + " from " +
                  serverInfo.getServerName());
              HRegionInfo info = msgs[i].getRegionInfo();
              // Meta/root region offlining is handed in removeServerInfo above.
              if (!info.isMetaRegion()) {
                synchronized (master.regionManager) {
                  if (!master.regionManager.isOfflined(
                      info.getRegionNameAsString())) {
                    master.regionManager.setUnassigned(info, true);
                  } else {
                    master.regionManager.removeRegion(info);
                  }
                }

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    // Get reports on what the RegionServer did.
    // Be careful that in message processors we don't throw exceptions that
    // break the switch below because then we might drop messages on the floor.
    int openingCount = 0;
    for (int i = 0; i < incomingMsgs.length; i++) {
      HRegionInfo region = incomingMsgs[i].getRegionInfo();
      LOG.info("Processing " + incomingMsgs[i] + " from " +
        serverInfo.getServerName() + "; " + (i + 1) + " of " +
        incomingMsgs.length);
      switch (incomingMsgs[i].getType()) {
        case MSG_REPORT_PROCESS_OPEN:

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