@Override
  public String toString() {
    return getClass().getName() + "@" + System.identityHashCode(this) + "{"
        + "uniqueId=" + uniqueId
        + ", numericId=" + numericId
        + ", textId=" + textId
        + ", type=" + type.getName()
        + ", closed=" + closed
        + "}";
  }
Gets the unique id for this resource
geode-core/src/main/java/org/apache/geode/internal/statistics/StatisticsImpl.java