class RegisterInterest61 extends BaseCommand {

  @Override
  public void cmdExecute(Message clientMessage, ServerConnection serverConnection,
      SecurityService securityService, long start) throws IOException, InterruptedException {
    Part regionNamePart, keyPart;
    String regionName;
    Object key;
    serverConnection.setAsTrue(REQUIRES_RESPONSE);
    serverConnection.setAsTrue(REQUIRES_CHUNKED_RESPONSE);

    // Retrieve the data from the message parts
    regionNamePart = clientMessage.getPart(0);
    InterestResultPolicy policy;
    // Retrieve the interest type
    int interestType = clientMessage.getPart(1).getInt();

    // Retrieve the InterestResultPolicy
    try {
      policy = (InterestResultPolicy) clientMessage.getPart(2).getObject();
    } catch (Exception e) {
      writeChunkedException(clientMessage, e, serverConnection);
      serverConnection.setAsTrue(RESPONDED);
      return;
    }
    boolean isDurable;
    try {
      Part durablePart = clientMessage.getPart(3);
      byte[] durablePartBytes = (byte[]) durablePart.getObject();
      isDurable = durablePartBytes[0] == 0x01;
    } catch (Exception e) {
      writeChunkedException(clientMessage, e, serverConnection);
      serverConnection.setAsTrue(RESPONDED);
      return;
    }
    // region data policy
    byte[] regionDataPolicyPartBytes;
    boolean serializeValues = false;
    try {
      Part regionDataPolicyPart = clientMessage.getPart(clientMessage.getNumberOfParts() - 1);
      regionDataPolicyPartBytes = (byte[]) regionDataPolicyPart.getObject();
      if (serverConnection.getClientVersion().isNotOlderThan(KnownVersion.GFE_80)) {
        // The second byte here is serializeValues
        serializeValues = regionDataPolicyPartBytes[1] == (byte) 0x01;
      }
    } catch (Exception e) {
      writeChunkedException(clientMessage, e, serverConnection);
      serverConnection.setAsTrue(RESPONDED);
      return;
    }

    keyPart = clientMessage.getPart(4);
    regionName = regionNamePart.getCachedString();
    try {
      key = keyPart.getStringOrObject();
    } catch (Exception e) {
      writeChunkedException(clientMessage, e, serverConnection);
      serverConnection.setAsTrue(RESPONDED);
      return;
    }

    boolean sendUpdatesAsInvalidates = false;
    // VJR: Check for a sixth part for client version 6.0.3 onwards for the
    // time being until refactoring into a new command version.
    if (clientMessage.getNumberOfParts() > 5) {
      try {
        Part notifyPart = clientMessage.getPart(5);
        byte[] notifyPartBytes = (byte[]) notifyPart.getObject();
        sendUpdatesAsInvalidates = notifyPartBytes[0] == 0x01;
      } catch (Exception e) {
        writeChunkedException(clientMessage, e, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
      }
    }

    if (logger.isDebugEnabled()) {
      logger.debug(
          "{}: Received register interest 61 request ({} bytes) from {} for region {} key {}",
          serverConnection.getName(), clientMessage.getPayloadLength(),
          serverConnection.getSocketString(), regionName, key);
    }

    // test hook to trigger vMotion during register Interest

    if (VMOTION_DURING_REGISTER_INTEREST_FLAG) {
      VMotionObserver vmo = VMotionObserverHolder.getInstance();
      vmo.vMotionBeforeRegisterInterest();
    }

    // Process the register interest request
    if (key == null || regionName == null) {
      String message = null;
      if (key == null) {
        message =
            "The input key for the register interest request is null";
      }
      if (regionName == null) {
        message =
            "The input region name for the register interest request is null.";
      }
      logger.warn("{}: {}", serverConnection.getName(), message);
      writeChunkedErrorResponse(clientMessage, MessageType.REGISTER_INTEREST_DATA_ERROR,
          message, serverConnection);
      serverConnection.setAsTrue(RESPONDED);
      return;
    }

    // input key not null
    LocalRegion region = (LocalRegion) serverConnection.getCache().getRegion(regionName);
    if (region == null) {
      logger.info("{}: Region named {} was not found during register interest request.",
          new Object[] {serverConnection.getName(), regionName});
    }
    try {

      if (interestType == InterestType.REGULAR_EXPRESSION) {
        securityService.authorize(Resource.DATA, Operation.READ, regionName);
      } else {
        securityService.authorize(Resource.DATA, Operation.READ, regionName, key);
      }
      AuthorizeRequest authorizeRequest = serverConnection.getAuthzRequest();
      if (authorizeRequest != null) {
        if (!DynamicRegionFactory.regionIsDynamicRegionList(regionName)) {
          RegisterInterestOperationContext registerContext =
              authorizeRequest.registerInterestAuthorize(regionName, key, interestType, policy);
          key = registerContext.getKey();
        }
      }
      serverConnection.getAcceptor().getCacheClientNotifier().registerClientInterest(regionName,
          key, serverConnection.getProxyID(), interestType, isDurable, sendUpdatesAsInvalidates,
          true, regionDataPolicyPartBytes[0], true);
    } catch (Exception e) {
      // If an interrupted exception is thrown , rethrow it
      checkForInterrupt(serverConnection, e);
      // Otherwise, write an exception message and continue
      writeChunkedException(clientMessage, e, serverConnection);
      serverConnection.setAsTrue(RESPONDED);
      return;
    }

    CacheClientProxy ccp = serverConnection.getAcceptor().getCacheClientNotifier()
        .getClientProxy(serverConnection.getProxyID());
    if (ccp == null) {
      // fix for 37593
      IOException ioException = new IOException(
          "CacheClientProxy for this client is no longer on the server");
      writeChunkedException(clientMessage, ioException, serverConnection);
      serverConnection.setAsTrue(RESPONDED);
      return;
    }
    boolean isPrimary = ccp.isPrimary();
    ChunkedMessage chunkedResponseMsg = serverConnection.getRegisterInterestResponseMessage();
    if (!isPrimary) {
      chunkedResponseMsg.setMessageType(MessageType.RESPONSE_FROM_SECONDARY);
      chunkedResponseMsg.setTransactionId(clientMessage.getTransactionId());
      chunkedResponseMsg.sendHeader();
      chunkedResponseMsg.setLastChunk(true);

      if (logger.isDebugEnabled()) {
        logger.debug(
            "{}: Sending register interest response chunk from secondary for region: {} for key: {} chunk=<{}>",
            serverConnection.getName(), regionName, key, chunkedResponseMsg);
      }
      chunkedResponseMsg.sendChunk(serverConnection);
    } else { // isPrimary

      // Send header which describes how many chunks will follow
      chunkedResponseMsg.setMessageType(MessageType.RESPONSE_FROM_PRIMARY);
      chunkedResponseMsg.setTransactionId(clientMessage.getTransactionId());
      chunkedResponseMsg.sendHeader();

      // Send chunk response
      try {
        if (region.getDistributionManager() instanceof LonerDistributionManager
            && region instanceof PartitionedRegion) {
          throw new IllegalStateException(
              "Should not register interest for a partitioned region when mcast-port is 0 and no locator is present");
        }
        fillAndSendRegisterInterestResponseChunks(region, key, interestType, serializeValues,
            policy, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
      } catch (Exception e) {
        writeChunkedException(clientMessage, e, serverConnection, chunkedResponseMsg);
        serverConnection.setAsTrue(RESPONDED);
        return;
      }

      if (logger.isDebugEnabled()) {
        logger.debug(
            "{}: Sent register interest response for region {} key {}",
            serverConnection.getName(), regionName, key);
      }
    } // isPrimary

  }

    RegisterInterest61();

}