@Override
  public boolean equals(Object object) {
    if (object != null && !(object instanceof StatAlertNotification)) {
      return false;
    }

    StatAlertNotification other = (StatAlertNotification) object;

    int defId = getDefinitionId();

    return defId != -1 && defId == other.getDefinitionId() && memberId != null
        && memberId.equals(other.getMemberId());
  }
The notification is something like this "For Member ID: <ID> [ <StatName> = <Value> .. ]"

@param defn {@link StatAlertDefinition}
@return String representation of this object based on {@link StatAlertDefinition}
geode-core/src/main/java/org/apache/geode/admin/jmx/internal/StatAlertNotification.java