Package org.apache.hadoop.hbase.coprocessor

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

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      throws IOException {
    // Require WRITE permission to the table, CF, and the KV to be replaced by
    // the incremented value
    User user = getActiveUser();
    checkForReservedTagPresence(user, increment);
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<Cell>> families = increment.getFamilyCellMap();
    AuthResult authResult = permissionGranted(OpType.INCREMENT, user, env, families,
      Action.WRITE);
    logResult(authResult);
    if (!authResult.isAllowed()) {
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      // mock RegionServerServices to provide to coprocessor environment
      final RegionServerServices mockServices = TEST_UTIL.createMockRegionServerService(rpcServer);

      // mock up coprocessor environment
      super.start(new RegionCoprocessorEnvironment() {
        @Override
        public HRegion getRegion() { return null; }

        @Override
        public RegionServerServices getRegionServerServices() {
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  public static HConnection getConnectionForEnvironment(CoprocessorEnvironment env)
      throws IOException {
    HConnection connection = HConnectionManager.createConnection(env.getConfiguration());
    // this bit is a little hacky - just trying to get it going for the moment
    if (env instanceof RegionCoprocessorEnvironment) {
      RegionCoprocessorEnvironment e = (RegionCoprocessorEnvironment) env;
      RegionServerServices services = e.getRegionServerServices();
      if (services instanceof HRegionServer) {
        return new CoprocessorHConnection(connection, (HRegionServer) services);
      }
    }
    return connection;
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        @Override
        public RpcServerInterface getRpcServer() { return rpcServer; }
      };

      // mock up coprocessor environment
      super.start(new RegionCoprocessorEnvironment() {
        @Override
        public HRegion getRegion() { return null; }

        @Override
        public RegionServerServices getRegionServerServices() {
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  @Override
  public void start(CoprocessorEnvironment env) {
    // if running at region
    if (env instanceof RegionCoprocessorEnvironment) {
      RegionCoprocessorEnvironment regionEnv =
          (RegionCoprocessorEnvironment)env;
      RpcServerInterface server = regionEnv.getRegionServerServices().getRpcServer();
      SecretManager<?> mgr = ((RpcServer)server).getSecretManager();
      if (mgr instanceof AuthenticationTokenSecretManager) {
        secretManager = (AuthenticationTokenSecretManager)mgr;
      }
    }
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    }
  }

  @Override
  public void start(CoprocessorEnvironment e) throws IOException {
    RegionCoprocessorEnvironment re = (RegionCoprocessorEnvironment) e;
    if (!re.getSharedData().containsKey(zkkey)) {
      // there is a short race here
      // in the worst case we create a watcher that will be notified once
      re.getSharedData().putIfAbsent(
          zkkey,
          new ZKWatcher(re.getRegionServerServices().getZooKeeper()
              .getRecoverableZooKeeper().getZooKeeper()));
    }
  }
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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()");
    } else {
      HRegionInfo regionInfo = region.getRegionInfo();
      if (regionInfo.getTable().isSystemTable()) {
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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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  @Override
  public void preGetClosestRowBefore(final ObserverContext<RegionCoprocessorEnvironment> c,
      final byte [] row, final byte [] family, final Result result)
      throws IOException {
    assert family != null;
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<byte[]>> families = makeFamilyMap(family, null);
    User user = getActiveUser();
    AuthResult authResult = permissionGranted(OpType.GET_CLOSEST_ROW_BEFORE, user, env, families,
      Action.READ);
    if (!authResult.isAllowed() && cellFeaturesEnabled && !compatibleEarlyTermination) {
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    // Don't wrap an AccessControlFilter
    if (filter != null && filter instanceof AccessControlFilter) {
      return;
    }
    User user = getActiveUser();
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<byte[]>> families = null;
    switch (opType) {
    case GET:
    case EXISTS:
      families = ((Get)query).getFamilyMap();
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