public boolean equals(Role that) {
    if (that == null)
      return false;
    if (this == that)
      return true;

    boolean this_present_roleName = true && this.isSetRoleName();
    boolean that_present_roleName = true && that.isSetRoleName();
    if (this_present_roleName || that_present_roleName) {
      if (!(this_present_roleName && that_present_roleName))
        return false;
      if (!this.roleName.equals(that.roleName))
        return false;
    }

    boolean this_present_createTime = true;
    boolean that_present_createTime = true;
    if (this_present_createTime || that_present_createTime) {
      if (!(this_present_createTime && that_present_createTime))
        return false;
      if (this.createTime != that.createTime)
        return false;
    }

    boolean this_present_ownerName = true && this.isSetOwnerName();
    boolean that_present_ownerName = true && that.isSetOwnerName();
    if (this_present_ownerName || that_present_ownerName) {
      if (!(this_present_ownerName && that_present_ownerName))
        return false;
      if (!this.ownerName.equals(that.ownerName))
        return false;
    }

    return true;
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/Role.java