static jbyte toJavaHistogramsType()

in java/rocksjni/portal.h [5485:5598]
110 lines of code
52 McCabe index (conditional complexity)

  static jbyte toJavaHistogramsType(
      const ROCKSDB_NAMESPACE::Histograms& histograms) {
    switch(histograms) {
      case ROCKSDB_NAMESPACE::Histograms::DB_GET:
        return 0x0;
      case ROCKSDB_NAMESPACE::Histograms::DB_WRITE:
        return 0x1;
      case ROCKSDB_NAMESPACE::Histograms::COMPACTION_TIME:
        return 0x2;
      case ROCKSDB_NAMESPACE::Histograms::SUBCOMPACTION_SETUP_TIME:
        return 0x3;
      case ROCKSDB_NAMESPACE::Histograms::TABLE_SYNC_MICROS:
        return 0x4;
      case ROCKSDB_NAMESPACE::Histograms::COMPACTION_OUTFILE_SYNC_MICROS:
        return 0x5;
      case ROCKSDB_NAMESPACE::Histograms::WAL_FILE_SYNC_MICROS:
        return 0x6;
      case ROCKSDB_NAMESPACE::Histograms::MANIFEST_FILE_SYNC_MICROS:
        return 0x7;
      case ROCKSDB_NAMESPACE::Histograms::TABLE_OPEN_IO_MICROS:
        return 0x8;
      case ROCKSDB_NAMESPACE::Histograms::DB_MULTIGET:
        return 0x9;
      case ROCKSDB_NAMESPACE::Histograms::READ_BLOCK_COMPACTION_MICROS:
        return 0xA;
      case ROCKSDB_NAMESPACE::Histograms::READ_BLOCK_GET_MICROS:
        return 0xB;
      case ROCKSDB_NAMESPACE::Histograms::WRITE_RAW_BLOCK_MICROS:
        return 0xC;
      case ROCKSDB_NAMESPACE::Histograms::STALL_L0_SLOWDOWN_COUNT:
        return 0xD;
      case ROCKSDB_NAMESPACE::Histograms::STALL_MEMTABLE_COMPACTION_COUNT:
        return 0xE;
      case ROCKSDB_NAMESPACE::Histograms::STALL_L0_NUM_FILES_COUNT:
        return 0xF;
      case ROCKSDB_NAMESPACE::Histograms::HARD_RATE_LIMIT_DELAY_COUNT:
        return 0x10;
      case ROCKSDB_NAMESPACE::Histograms::SOFT_RATE_LIMIT_DELAY_COUNT:
        return 0x11;
      case ROCKSDB_NAMESPACE::Histograms::NUM_FILES_IN_SINGLE_COMPACTION:
        return 0x12;
      case ROCKSDB_NAMESPACE::Histograms::DB_SEEK:
        return 0x13;
      case ROCKSDB_NAMESPACE::Histograms::WRITE_STALL:
        return 0x14;
      case ROCKSDB_NAMESPACE::Histograms::SST_READ_MICROS:
        return 0x15;
      case ROCKSDB_NAMESPACE::Histograms::NUM_SUBCOMPACTIONS_SCHEDULED:
        return 0x16;
      case ROCKSDB_NAMESPACE::Histograms::BYTES_PER_READ:
        return 0x17;
      case ROCKSDB_NAMESPACE::Histograms::BYTES_PER_WRITE:
        return 0x18;
      case ROCKSDB_NAMESPACE::Histograms::BYTES_PER_MULTIGET:
        return 0x19;
      case ROCKSDB_NAMESPACE::Histograms::BYTES_COMPRESSED:
        return 0x1A;
      case ROCKSDB_NAMESPACE::Histograms::BYTES_DECOMPRESSED:
        return 0x1B;
      case ROCKSDB_NAMESPACE::Histograms::COMPRESSION_TIMES_NANOS:
        return 0x1C;
      case ROCKSDB_NAMESPACE::Histograms::DECOMPRESSION_TIMES_NANOS:
        return 0x1D;
      case ROCKSDB_NAMESPACE::Histograms::READ_NUM_MERGE_OPERANDS:
        return 0x1E;
      // 0x20 to skip 0x1F so TICKER_ENUM_MAX remains unchanged for minor version compatibility.
      case ROCKSDB_NAMESPACE::Histograms::FLUSH_TIME:
        return 0x20;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_KEY_SIZE:
        return 0x21;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_VALUE_SIZE:
        return 0x22;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_WRITE_MICROS:
        return 0x23;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_GET_MICROS:
        return 0x24;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_MULTIGET_MICROS:
        return 0x25;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_SEEK_MICROS:
        return 0x26;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_NEXT_MICROS:
        return 0x27;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_PREV_MICROS:
        return 0x28;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_WRITE_MICROS:
        return 0x29;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_READ_MICROS:
        return 0x2A;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_BLOB_FILE_SYNC_MICROS:
        return 0x2B;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_GC_MICROS:
        return 0x2C;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_COMPRESSION_MICROS:
        return 0x2D;
      case ROCKSDB_NAMESPACE::Histograms::BLOB_DB_DECOMPRESSION_MICROS:
        return 0x2E;
      case ROCKSDB_NAMESPACE::Histograms::
          NUM_INDEX_AND_FILTER_BLOCKS_READ_PER_LEVEL:
        return 0x2F;
      case ROCKSDB_NAMESPACE::Histograms::NUM_DATA_BLOCKS_READ_PER_LEVEL:
        return 0x30;
      case ROCKSDB_NAMESPACE::Histograms::NUM_SST_READ_PER_LEVEL:
        return 0x31;
      case ROCKSDB_NAMESPACE::Histograms::ERROR_HANDLER_AUTORESUME_RETRY_COUNT:
        return 0x31;
      case ROCKSDB_NAMESPACE::Histograms::HISTOGRAM_ENUM_MAX:
        // 0x1F for backwards compatibility on current minor version.
        return 0x1F;

      default:
        // undefined/default
        return 0x0;
    }
  }