@Override
  public int hashCode() {
    int hash = poolName == null ? 31 : 31 * poolName.hashCode();
    hash += type == null ? 31 * hash : 31 * hash * type.hashCode();
    return hash;
  }
Action that gets invoked for trigger violations.
ql/src/java/org/apache/hadoop/hive/ql/wm/Action.java