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• HotRodConstants.java

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org.infinispan.hotrod.impl.protocol.HotRodConstants Maven / Gradle / Ivy

package org.infinispan.hotrod.impl.protocol;

import java.lang.reflect.Field;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.function.Predicate;
import java.util.stream.Stream;

import org.infinispan.commons.util.ReflectionUtil;
import org.infinispan.hotrod.impl.multimap.protocol.MultimapHotRodConstants;

/**
 * Defines constants defined by Hot Rod specifications.
 *
 * @since 14.0
 */
public interface HotRodConstants {

   short REQUEST_MAGIC = 0xA0;
   short RESPONSE_MAGIC = 0xA1;

   byte VERSION_40 = 40;

   //requests
   byte ILLEGAL_OP_CODE = 0x00;
   byte PUT_REQUEST = 0x01;
   byte GET_REQUEST = 0x03;
   byte PUT_IF_ABSENT_REQUEST = 0x05;
   byte REPLACE_REQUEST = 0x07;
   byte REPLACE_IF_UNMODIFIED_REQUEST = 0x09;
   byte REMOVE_REQUEST = 0x0B;
   byte REMOVE_IF_UNMODIFIED_REQUEST = 0x0D;
   byte CONTAINS_KEY_REQUEST = 0x0F;
   byte GET_WITH_VERSION = 0x11;
   byte CLEAR_REQUEST = 0x13;
   byte STATS_REQUEST = 0x15;
   byte PING_REQUEST = 0x17;
   byte BULK_GET_REQUEST = 0x19;
   byte GET_WITH_METADATA = 0x1B;
   byte BULK_GET_KEYS_REQUEST = 0x1D;
   byte QUERY_REQUEST = 0x1F;
   byte AUTH_MECH_LIST_REQUEST = 0x21;
   byte AUTH_REQUEST = 0x23;
   byte ADD_CLIENT_LISTENER_REQUEST = 0x25;
   byte REMOVE_CLIENT_LISTENER_REQUEST = 0x27;
   byte SIZE_REQUEST = 0x29;
   byte EXEC_REQUEST = 0x2B;
   byte PUT_ALL_REQUEST = 0x2D;
   byte GET_ALL_REQUEST = 0x2F;
   byte ITERATION_START_REQUEST = 0x31;
   byte ITERATION_NEXT_REQUEST = 0x33;
   byte ITERATION_END_REQUEST = 0x35;
   byte GET_STREAM_REQUEST = 0x37;
   byte PUT_STREAM_REQUEST = 0x39;
   byte PREPARE_REQUEST = 0x3B;
   byte COMMIT_REQUEST = 0x3D;
   byte ROLLBACK_REQUEST = 0x3F;

   byte ADD_BLOOM_FILTER_NEAR_CACHE_LISTENER_REQUEST = 0x41;
   byte UPDATE_BLOOM_FILTER_REQUEST = 0x43;

   byte COUNTER_CREATE_REQUEST = 0x4B;
   byte COUNTER_GET_CONFIGURATION_REQUEST = 0x4D;
   byte COUNTER_IS_DEFINED_REQUEST = 0x4F;
   byte COUNTER_ADD_AND_GET_REQUEST = 0x52;
   byte COUNTER_RESET_REQUEST = 0x54;
   byte COUNTER_GET_REQUEST = 0x56;
   byte COUNTER_CAS_REQUEST = 0x58;
   byte COUNTER_ADD_LISTENER_REQUEST = 0x5A;
   byte COUNTER_REMOVE_LISTENER_REQUEST = 0x5C;
   byte COUNTER_REMOVE_REQUEST = 0x5E;
   byte COUNTER_GET_NAMES_REQUEST = 0x64;

   byte FORGET_TX_REQUEST = 0x79;
   byte FETCH_TX_RECOVERY_REQUEST = 0x7B;
   byte PREPARE_TX_2_REQUEST = 0x7D;

   //responses
   byte PUT_RESPONSE = 0x02;
   byte GET_RESPONSE = 0x04;
   byte PUT_IF_ABSENT_RESPONSE = 0x06;
   byte REPLACE_RESPONSE = 0x08;
   byte REPLACE_IF_UNMODIFIED_RESPONSE = 0x0A;
   byte REMOVE_RESPONSE = 0x0C;
   byte REMOVE_IF_UNMODIFIED_RESPONSE = 0x0E;
   byte CONTAINS_KEY_RESPONSE = 0x10;
   byte GET_WITH_VERSION_RESPONSE = 0x12;
   byte CLEAR_RESPONSE = 0x14;
   byte STATS_RESPONSE = 0x16;
   byte PING_RESPONSE = 0x18;
   byte BULK_GET_RESPONSE = 0x1A;
   byte GET_WITH_METADATA_RESPONSE = 0x1C;
   byte BULK_GET_KEYS_RESPONSE = 0x1E;
   byte QUERY_RESPONSE = 0x20;
   byte AUTH_MECH_LIST_RESPONSE = 0x22;
   byte AUTH_RESPONSE = 0x24;
   byte ADD_CLIENT_LISTENER_RESPONSE = 0x26;
   byte REMOVE_CLIENT_LISTENER_RESPONSE = 0x28;
   byte SIZE_RESPONSE = 0x2A;
   byte EXEC_RESPONSE = 0x2C;
   byte PUT_ALL_RESPONSE = 0x2E;
   byte GET_ALL_RESPONSE = 0x30;
   byte ITERATION_START_RESPONSE = 0x32;
   byte ITERATION_NEXT_RESPONSE = 0x34;
   byte ITERATION_END_RESPONSE = 0x36;
   byte GET_STREAM_RESPONSE = 0x38;
   byte PUT_STREAM_RESPONSE = 0x3A;
   byte PREPARE_RESPONSE = 0x3C;
   byte COMMIT_RESPONSE = 0x3E;
   byte ROLLBACK_RESPONSE = 0x40;
   byte ADD_BLOOM_FILTER_NEAR_CACHE_LISTENER_RESPONSE= 0x42;
   byte UPDATE_BLOOM_FILTER_RESPONSE = 0x44;
   byte FORGET_TX_RESPONSE = 0x7A;
   byte FETCH_TX_RECOVERY_RESPONSE = 0x7C;
   byte PREPARE_TX_2_RESPONSE = 0x7E;
   byte ERROR_RESPONSE = 0x50;
   byte CACHE_ENTRY_CREATED_EVENT_RESPONSE = 0x60;
   byte CACHE_ENTRY_MODIFIED_EVENT_RESPONSE = 0x61;
   byte CACHE_ENTRY_REMOVED_EVENT_RESPONSE = 0x62;
   byte CACHE_ENTRY_EXPIRED_EVENT_RESPONSE = 0x63;
   byte COUNTER_CREATE_RESPONSE = 0x4C;
   byte COUNTER_GET_CONFIGURATION_RESPONSE = 0x4E;
   byte COUNTER_IS_DEFINED_RESPONSE = 0x51;
   byte COUNTER_ADD_AND_GET_RESPONSE = 0x53;
   byte COUNTER_RESET_RESPONSE = 0x55;
   byte COUNTER_GET_RESPONSE = 0x57;
   byte COUNTER_CAS_RESPONSE = 0x59;
   byte COUNTER_ADD_LISTENER_RESPONSE = 0x5B;
   byte COUNTER_REMOVE_LISTENER_RESPONSE = 0x5D;
   byte COUNTER_REMOVE_RESPONSE = 0x5F;
   byte COUNTER_GET_NAMES_RESPONSE = 0x65;
   byte COUNTER_EVENT_RESPONSE = 0x66;

   //response status
   byte NO_ERROR_STATUS = 0x00;
   byte NOT_PUT_REMOVED_REPLACED_STATUS = 0x01;
   int KEY_DOES_NOT_EXIST_STATUS = 0x02;
   int SUCCESS_WITH_PREVIOUS = 0x03;
   int NOT_EXECUTED_WITH_PREVIOUS = 0x04;
   int INVALID_ITERATION = 0x05;
   byte NO_ERROR_STATUS_OBJ_STORAGE = 0x06;
   byte SUCCESS_WITH_PREVIOUS_OBJ_STORAGE = 0x07;
   byte NOT_EXECUTED_WITH_PREVIOUS_OBJ_STORAGE = 0x08;

   int INVALID_MAGIC_OR_MESSAGE_ID_STATUS = 0x81;
   int REQUEST_PARSING_ERROR_STATUS = 0x84;
   int UNKNOWN_COMMAND_STATUS = 0x82;
   int UNKNOWN_VERSION_STATUS = 0x83;
   int SERVER_ERROR_STATUS = 0x85;
   int COMMAND_TIMEOUT_STATUS = 0x86;
   int NODE_SUSPECTED = 0x87;
   int ILLEGAL_LIFECYCLE_STATE = 0x88;

   Charset HOTROD_STRING_CHARSET = StandardCharsets.UTF_8;

   byte[] DEFAULT_CACHE_NAME_BYTES = new byte[]{};

   byte INFINITE_LIFESPAN = 0x01;
   byte INFINITE_MAXIDLE = 0x02;

   int DEFAULT_CACHE_TOPOLOGY = -1;
   int SWITCH_CLUSTER_TOPOLOGY = -2;

   static boolean isSuccess(int status) {
      return status == NO_ERROR_STATUS
            || status == NO_ERROR_STATUS_OBJ_STORAGE
            || status == SUCCESS_WITH_PREVIOUS
            || status == SUCCESS_WITH_PREVIOUS_OBJ_STORAGE;
   }

   static boolean isNotExecuted(int status) {
      return status == NOT_PUT_REMOVED_REPLACED_STATUS
            || status == NOT_EXECUTED_WITH_PREVIOUS
            || status == NOT_EXECUTED_WITH_PREVIOUS_OBJ_STORAGE;
   }

   static boolean isNotExist(int status) {
      return status == KEY_DOES_NOT_EXIST_STATUS;
   }

   static boolean hasPrevious(int status) {
      return status == SUCCESS_WITH_PREVIOUS
            || status == SUCCESS_WITH_PREVIOUS_OBJ_STORAGE
            || status == NOT_EXECUTED_WITH_PREVIOUS
            || status == NOT_EXECUTED_WITH_PREVIOUS_OBJ_STORAGE;
   }

   static boolean isObjectStorage(short status) {
      return status == NO_ERROR_STATUS_OBJ_STORAGE
            || status == SUCCESS_WITH_PREVIOUS_OBJ_STORAGE
            || status == NOT_EXECUTED_WITH_PREVIOUS_OBJ_STORAGE;
   }

   static boolean isInvalidIteration(short status) {
      return status == INVALID_ITERATION;
   }

   final class Names {
      static final String[] NAMES;

      private Names() {
      }

      static {
         Predicate filterRequestsResponses =
               f -> f.getName().endsWith("_REQUEST") || f.getName().endsWith("_RESPONSE");
         int maxId = Stream.concat(Stream.of(HotRodConstants.class.getFields()),
                                   Stream.of(MultimapHotRodConstants.class.getFields()))
                           .filter(filterRequestsResponses)
                           .mapToInt(f -> ReflectionUtil.getIntAccessibly(f, null))
                           .max().orElse(0);
         NAMES = new String[maxId + 1];
         Stream.concat(Stream.of(HotRodConstants.class.getFields()),
                       Stream.of(MultimapHotRodConstants.class.getFields()))
               .filter(filterRequestsResponses)
               .forEach(f -> {
                  int id = ReflectionUtil.getIntAccessibly(f, null);
                  assert NAMES[id] == null;
                  NAMES[id] = f.getName();
               });
         for (int i = 0; i < NAMES.length; ++i) {
            if (NAMES[i] == null)
               NAMES[i] = "UNKNOWN";
         }
      }

      public static String of(short opCode) {
         return NAMES[opCode];
      }
   }
}