@Override
  public String toString() {
    return "RequestRequest{" +
            "clusterName='" + clusterName + '\'' +
            ", requestId=" + requestId +
            ", status=" + status +
            ", abortReason='" + abortReason + '\'' +
            ", removePendingHostRequests='" + removePendingHostRequests + '\'' +
            '}';
  }
Encapsulates all data about update request that came to RequestResourceProvider
ambari-server/src/main/java/org/apache/ambari/server/controller/RequestRequest.java