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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MINIFI-339) Begin building controlling API to facilitate control of agents
Date Fri, 08 Sep 2017 20:39:03 GMT

    [ https://issues.apache.org/jira/browse/MINIFI-339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159289#comment-16159289
] 

ASF GitHub Bot commented on MINIFI-339:
---------------------------------------

Github user achristianson commented on a diff in the pull request:

    https://github.com/apache/nifi-minifi-cpp/pull/134#discussion_r137865638
  
    --- Diff: libminifi/include/core/state/UpdateController.h ---
    @@ -0,0 +1,255 @@
    +/**
    + *
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements.  See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You under the Apache License, Version 2.0
    + * (the "License"); you may not use this file except in compliance with
    + * the License.  You may obtain a copy of the License at
    + *
    + *     http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +#ifndef LIBMINIFI_INCLUDE_C2_UPDATECONTROLLER_H_
    +#define LIBMINIFI_INCLUDE_C2_UPDATECONTROLLER_H_
    +
    +#include <string>
    +#include "utils/ThreadPool.h"
    +
    +namespace org {
    +namespace apache {
    +namespace nifi {
    +namespace minifi {
    +namespace state {
    +
    +enum class UpdateState {
    +  INITIATE,
    +  FULLY_APPLIED,
    +  READ_COMPLETE,
    +  PARTIALLY_APPLIED,
    +  NOT_APPLIED,
    +  SET_ERROR,
    +  READ_ERROR,
    +  NESTED  // multiple updates embedded into one
    +
    +};
    +
    +/**
    + * Represents the status of an update operation.
    + *
    + */
    +class UpdateStatus {
    + public:
    +  UpdateStatus(UpdateState state, int16_t reason = 0);
    +
    +  UpdateStatus(const UpdateStatus &other);
    +
    +  UpdateStatus(const UpdateStatus &&other);
    +
    +  UpdateState getState() const;
    +
    +  std::string getError() const;
    +
    +  int16_t getReadonCode() const;
    +
    +  UpdateStatus &operator=(const UpdateStatus &&other);
    +
    +  UpdateStatus &operator=(const UpdateStatus &other);
    +   private:
    --- End diff --
    
    Indentation


> Begin building controlling API to facilitate control of agents
> --------------------------------------------------------------
>
>                 Key: MINIFI-339
>                 URL: https://issues.apache.org/jira/browse/MINIFI-339
>             Project: Apache NiFi MiNiFi
>          Issue Type: New Feature
>          Components: C++
>            Reporter: marco polo
>            Assignee: marco polo
>            Priority: Critical
>              Labels: Durability, Reliability, Statistics
>
> Begin building the controlling API in MiNiFi C++. This API will evolve and likely have
public and private elements. As development progresses we may want more capabilities. 
> What I want to create as a straw man will be basic control and metrics gathering
> -- Start
> -- Stop
> -- Pause
> -- Gather metrics
>    ** Throughput of of flow components
>    ** Execution time ( run time minus sleep time )
>    ** Memory consumption
> -- Drain repositories
> -- Switch repository types. 
> Better employ update listener within this controlling API



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