Package org.apache.hadoop.hbase.regionserver

Examples of org.apache.hadoop.hbase.regionserver.HRegion$BatchOperationInProgress

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      new MapMaker().weakKeys().makeMap();

  private UserProvider userProvider;

  void initialize(RegionCoprocessorEnvironment e) throws IOException {
    final HRegion region = e.getRegion();
    Map<byte[],ListMultimap<String,TablePermission>> tables =
        AccessControlLists.loadAll(region);
    // For each table, write out the table's permissions to the respective
    // znode for that table.
    for (Map.Entry<byte[],ListMultimap<String,TablePermission>> t:
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  /* ---- RegionObserver implementation ---- */

  @Override
  public void preOpen(ObserverContext<RegionCoprocessorEnvironment> e) throws IOException {
    RegionCoprocessorEnvironment env = e.getEnvironment();
    final HRegion region = env.getRegion();
    if (region == null) {
      LOG.error("NULL region from RegionCoprocessorEnvironment in preOpen()");
      return;
    } else {
      HRegionInfo regionInfo = region.getRegionInfo();
      if (isSpecialTable(regionInfo)) {
        isSystemOrSuperUser(regionEnv.getConfiguration());
      } else {
        requirePermission("open", Action.ADMIN);
      }
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  }

  @Override
  public void postOpen(ObserverContext<RegionCoprocessorEnvironment> c) {
    RegionCoprocessorEnvironment env = c.getEnvironment();
    final HRegion region = env.getRegion();
    if (region == null) {
      LOG.error("NULL region from RegionCoprocessorEnvironment in postOpen()");
      return;
    }
    if (AccessControlLists.isAclRegion(region)) {
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    throw new HBaseRPC.UnknownProtocolException(
        "Unexpected protocol requested: "+protocol);
  }

  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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   * inside.
   */
  private HRegion createAregion(byte [] startKey, byte [] endKey)
  throws IOException {
   
    HRegion region = createNewHRegion(desc, startKey, endKey);
   
    byte [] keyToWrite = startKey == null ? Bytes.toBytes("row_000") : startKey;
   
    BatchUpdate bu = new BatchUpdate(keyToWrite);
    bu.put(COLUMN_NAME, "test".getBytes());

    region.batchUpdate(bu, null);

    region.close();
    region.getLog().closeAndDelete();
    return region;
  }
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        rootdir, conf);
  }
 
  protected HRegion openClosedRegion(final HRegion closedRegion)
  throws IOException {
    HRegion r = new HRegion(closedRegion.getBaseDir(), closedRegion.getLog(),
        closedRegion.getFilesystem(), closedRegion.getConf(),
        closedRegion.getRegionInfo(), null);
    r.initialize(null, null);
    return r;
  }
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  }

  private HRegion createAregion(byte [] startKey, byte [] endKey, int firstRow,
      int nrows) throws IOException {
   
    HRegion region = createNewHRegion(desc, startKey, endKey);
   
    System.out.println("created region " +
        Bytes.toString(region.getRegionName()));

    HRegionIncommon r = new HRegionIncommon(region);
    for(int i = firstRow; i < firstRow + nrows; i++) {
      BatchUpdate batchUpdate = new BatchUpdate(Bytes.toBytes("row_"
          + String.format("%1$05d", i)));

      batchUpdate.put(COLUMN_NAME, value.get());
      region.batchUpdate(batchUpdate, null);
      if(i % 10000 == 0) {
        System.out.println("Flushing write #" + i);
        r.flushcache();
      }
    }
    region.close();
    region.getLog().closeAndDelete();
    region.getRegionInfo().setOffline(true);
    return region;
  }
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    assertTrue("'" + msg + "' failed", errCode == 0);
    HRegionInfo mergedInfo = merger.getMergedHRegionInfo();
 
    // Now verify that we can read all the rows from regions 0, 1
    // in the new merged region.
    HRegion merged =
      HRegion.openHRegion(mergedInfo, this.testDir, log, this.conf);
    verifyMerge(merged, upperbound);
    merged.close();
    LOG.info("Verified " + msg);
    return merged;
  }
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      System.currentTimeMillis());
    LOG.info("Creating log " + logPath.toString());
    HLog log = new HLog(this.fs, logPath, this.conf, null);
    try {
       // Merge Region 0 and Region 1
      HRegion merged = mergeAndVerify("merging regions 0 and 1",
        this.sourceRegions[0].getRegionNameAsString(),
        this.sourceRegions[1].getRegionNameAsString(), log, 2);

      // Merge the result of merging regions 0 and 1 with region 2
      merged = mergeAndVerify("merging regions 0+1 and 2",
        merged.getRegionInfo().getRegionNameAsString(),
        this.sourceRegions[2].getRegionNameAsString(), log, 3);

      // Merge the result of merging regions 0, 1 and 2 with region 3
      merged = mergeAndVerify("merging regions 0+1+2 and 3",
        merged.getRegionInfo().getRegionNameAsString(),
        this.sourceRegions[3].getRegionNameAsString(), log, 4);
     
      // Merge the result of merging regions 0, 1, 2 and 3 with region 4
      merged = mergeAndVerify("merging regions 0+1+2+3 and 4",
        merged.getRegionInfo().getRegionNameAsString(),
        this.sourceRegions[4].getRegionNameAsString(), log, rows.length);
    } finally {
      log.closeAndDelete();
    }
  }
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    for (byte[] family : families) {
      htd.addFamily(new HColumnDescriptor(family));
    }
    HRegionInfo info = new HRegionInfo(htd.getTableName(), null, null, false);
    Path path = new Path(DIR + callingMethod);
    HRegion r = HRegion.createHRegion(info, path, conf, htd);
    // this following piece is a hack. currently a coprocessorHost
    // is secretly loaded at OpenRegionHandler. we don't really
    // start a region server here, so just manually create cphost
    // and set it to region.
    RegionCoprocessorHost host = new RegionCoprocessorHost(r, null, conf);
    r.setCoprocessorHost(host);
    return r;
  }
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