The hashCode function generated avoiding auto-boxing and using static functions

AllPrims.java

@Override
  public int hashCode() {
    int hashCode = 1;

    hashCode = hashCode * 31 + 1231;
    hashCode = hashCode * 31 + ((boole) ? 1231 : 1237);

    hashCode = hashCode * 31 + 1231;
    hashCode = hashCode * 31 + Byte.hashCode(single_byte);

    hashCode = hashCode * 31 + 1231;
    hashCode = hashCode * 31 + shrt;

    hashCode = hashCode * 31 + 1231;
    hashCode = hashCode * 31 + integ;

    hashCode = hashCode * 31 + 1231;
    hashCode = hashCode * 31 + Long.hashCode(longue);

    hashCode = hashCode * 31 + 1231;
    hashCode = hashCode * 31 + Double.hashCode(f64);

    hashCode = hashCode * 31 + ((isSetStr()) ? 1231 : 1237);
    boolean present_str = true && (isSetStr());
    if (present_str)
      hashCode = hashCode * 31 + str.hashCode();

    hashCode = hashCode * 31 + ((isSetBin()) ? 1231 : 1237);
    boolean present_bin = true && (isSetBin());
    if (present_bin)
      hashCode = hashCode * 31 + bin.hashCode();

    hashCode = hashCode * 31 + ((isSetEn()) ? 1231 : 1237);
    boolean present_en = true && (isSetEn());
    if (present_en)
      hashCode = hashCode * 31 + en.getValue();

    hashCode = hashCode * 31 + ((isSetStru()) ? 1231 : 1237);
    boolean present_stru = true && (isSetStru());
    if (present_stru)
      hashCode = hashCode * 31 + stru.hashCode();

    hashCode = hashCode * 31 + ((isSetUn()) ? 1231 : 1237);
    boolean present_un = true && (isSetUn());
    if (present_un)
      hashCode = hashCode * 31 + un.hashCode();

    hashCode = hashCode * 31 + 1231;
    hashCode = hashCode * 31 + intid;

    hashCode = hashCode * 31 + ((isSetBinid()) ? 1231 : 1237);
    boolean present_binid = true && (isSetBinid());
    if (present_binid)
      hashCode = hashCode * 31 + binid.hashCode();

    hashCode = hashCode * 31 + ((isSetStrid()) ? 1231 : 1237);
    boolean present_strid = true && (isSetStrid());
    if (present_strid)
      hashCode = hashCode * 31 + strid.hashCode();

    return hashCode;
  }