Package org.apache.hadoop.hbase.coprocessor

Examples of org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment

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  public void start(CoprocessorEnvironment env) {
    super.start(env);

    // if running at region
    if (env instanceof RegionCoprocessorEnvironment) {
      RegionCoprocessorEnvironment regionEnv =
          (RegionCoprocessorEnvironment)env;
      RpcServer server = regionEnv.getRegionServerServices().getRpcServer();
      if (server instanceof SecureServer) {
        SecretManager mgr = ((SecureServer)server).getSecretManager();
        if (mgr instanceof AuthenticationTokenSecretManager) {
          secretManager = (AuthenticationTokenSecretManager)mgr;
        }
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  /* RegionObserver implementation */

  @Override
  public void start(CoprocessorEnvironment e) throws IOException {
    if (e instanceof RegionCoprocessorEnvironment) {
      RegionCoprocessorEnvironment env = (RegionCoprocessorEnvironment) e;
      Supplier<TransactionStateCache> cacheSupplier = getTransactionStateCacheSupplier(env);
      this.cache = cacheSupplier.get();

      HTableDescriptor tableDesc = env.getRegion().getTableDesc();
      for (HColumnDescriptor columnDesc : tableDesc.getFamilies()) {
        String columnTTL = columnDesc.getValue(TxConstants.PROPERTY_TTL);
        long ttl = 0;
        if (columnTTL != null) {
          try {
            ttl = Long.parseLong(columnTTL);
            LOG.info("Family " + columnDesc.getNameAsString() + " has TTL of " + columnTTL);
          } catch (NumberFormatException nfe) {
            LOG.warn("Invalid TTL value configured for column family " + columnDesc.getNameAsString() +
                       ", value = " + columnTTL);
          }
        }
        ttlByFamily.put(columnDesc.getName(), ttl);
      }

      this.allowEmptyValues = env.getConfiguration().getBoolean(TxConstants.ALLOW_EMPTY_VALUES_KEY,
                                                                TxConstants.ALLOW_EMPTY_VALUES_DEFAULT);
    }
  }
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            .encodeVersion("0.94.9");

  @Override
  public void start(CoprocessorEnvironment e) throws IOException {
      try {
        final RegionCoprocessorEnvironment env = (RegionCoprocessorEnvironment) e;
        String serverName = env.getRegionServerServices().getServerName().getServerName();
        if (env.getConfiguration().getBoolean(CHECK_VERSION_CONF_KEY, true)) {
          // make sure the right version <-> combinations are allowed.
          String errormsg = Indexer.validateVersion(env.getHBaseVersion(), env.getConfiguration());
          if (errormsg != null) {
            IOException ioe = new IOException(errormsg);
            env.getRegionServerServices().abort(errormsg, ioe);
            throw ioe;
          }
        }
   
        this.builder = new IndexBuildManager(env);

        // setup the actual index writer
        this.writer = new IndexWriter(env, serverName + "-index-writer");
   
        // setup the recovery writer that does retries on the failed edits
        TrackingParallelWriterIndexCommitter recoveryCommmiter =
            new TrackingParallelWriterIndexCommitter();
   
        try {
          // get the specified failure policy. We only ever override it in tests, but we need to do it
          // here
          Class<? extends IndexFailurePolicy> policyClass =
              env.getConfiguration().getClass(INDEX_RECOVERY_FAILURE_POLICY_KEY,
                StoreFailuresInCachePolicy.class, IndexFailurePolicy.class);
          IndexFailurePolicy policy =
              policyClass.getConstructor(PerRegionIndexWriteCache.class).newInstance(failedIndexEdits);
          LOG.debug("Setting up recovery writter with committer: " + recoveryCommmiter.getClass()
              + " and failure policy: " + policy.getClass());
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  private final byte[] row = Bytes.toBytes("row");

  @Test
  public void getDefaultWriter() throws Exception {
    Configuration conf = new Configuration(false);
    RegionCoprocessorEnvironment env = Mockito.mock(RegionCoprocessorEnvironment.class);
    Mockito.when(env.getConfiguration()).thenReturn(conf);
    assertNotNull(IndexWriter.getCommitter(env));
  }
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  }

  @Test
  public void getDefaultFailurePolicy() throws Exception {
    Configuration conf = new Configuration(false);
    RegionCoprocessorEnvironment env = Mockito.mock(RegionCoprocessorEnvironment.class);
    Mockito.when(env.getConfiguration()).thenReturn(conf);
    assertNotNull(IndexWriter.getFailurePolicy(env));
  }
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  public void testCorrectOrderingWithLazyLoadingColumns() throws Exception {
    Put m = new Put(row);
    m.add(fam, qual, ts, val);
    // setup mocks
    Configuration conf = new Configuration(false);
    RegionCoprocessorEnvironment env = Mockito.mock(RegionCoprocessorEnvironment.class);
    Mockito.when(env.getConfiguration()).thenReturn(conf);

    HRegion region = Mockito.mock(HRegion.class);
    Mockito.when(env.getRegion()).thenReturn(region);
    RegionScanner scanner = Mockito.mock(RegionScanner.class);
    Mockito.when(region.getScanner(Mockito.any(Scan.class))).thenReturn(scanner);
    final byte[] stored = Bytes.toBytes("stored-value");
    Mockito.when(scanner.next(Mockito.any(List.class))).thenAnswer(new Answer<Boolean>() {
      @Override
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  @SuppressWarnings("unchecked")
  public void testCorrectRollback() throws Exception {
    Put m = new Put(row);
    m.add(fam, qual, ts, val);
    // setup mocks
    RegionCoprocessorEnvironment env = Mockito.mock(RegionCoprocessorEnvironment.class);

    HRegion region = Mockito.mock(HRegion.class);
    Mockito.when(env.getRegion()).thenReturn(region);
    RegionScanner scanner = Mockito.mock(RegionScanner.class);
    Mockito.when(region.getScanner(Mockito.any(Scan.class))).thenReturn(scanner);
    final byte[] stored = Bytes.toBytes("stored-value");
    final KeyValue storedKv = new KeyValue(row, fam, qual, ts, Type.Put, stored);
    storedKv.setMemstoreTS(2);
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  @SuppressWarnings("unchecked")
  @Test
  public void testOnlyLoadsRequestedColumns() throws Exception {
    // setup mocks
    RegionCoprocessorEnvironment env = Mockito.mock(RegionCoprocessorEnvironment.class);

    HRegion region = Mockito.mock(HRegion.class);
    Mockito.when(env.getRegion()).thenReturn(region);
    RegionScanner scanner = Mockito.mock(RegionScanner.class);
    Mockito.when(region.getScanner(Mockito.any(Scan.class))).thenReturn(scanner);
    final KeyValue storedKv =
        new KeyValue(row, fam, qual, ts, Type.Put, Bytes.toBytes("stored-value"));
    storedKv.setMemstoreTS(2);
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    group.add(COLUMN_REF);

    final Result emptyState = new Result(Collections.<KeyValue> emptyList());
   
    // setup the state we expect for the codec
    RegionCoprocessorEnvironment env = Mockito.mock(RegionCoprocessorEnvironment.class);
    Configuration conf = new Configuration(false);
    Mockito.when(env.getConfiguration()).thenReturn(conf);
    LocalHBaseState table = new SimpleTableState(emptyState);

    // make a new codec on those kvs
    CoveredColumnIndexCodec codec =
        CoveredColumnIndexCodec.getCodecForTesting(Arrays.asList(group));
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            final ServerAggregators aggregators, long limit) throws IOException {
        if (logger.isDebugEnabled()) {
            logger.debug("Grouped aggregation over unordered rows with scan " + scan
                    + ", group by " + expressions + ", aggregators " + aggregators);
        }
        RegionCoprocessorEnvironment env = c.getEnvironment();
        Configuration conf = env.getConfiguration();
        int estDistVals = conf.getInt(GROUPBY_ESTIMATED_DISTINCT_VALUES_ATTRIB, DEFAULT_GROUPBY_ESTIMATED_DISTINCT_VALUES);
        byte[] estDistValsBytes = scan.getAttribute(BaseScannerRegionObserver.ESTIMATED_DISTINCT_VALUES);
        if (estDistValsBytes != null) {
            // Allocate 1.5x estimation
            estDistVals = Math.max(MIN_DISTINCT_VALUES,
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