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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=16159278#comment-16159278
] 

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_r137835890
  
    --- Diff: libminifi/include/ResourceClaim.h ---
    @@ -83,13 +83,19 @@ class ResourceClaim : public std::enable_shared_from_this<ResourceClaim>
{
       }
     
       void deleteClaim() {
    -    if (!deleted_)
    -    {
    +    if (!deleted_) {
           deleted_ = true;
         }
     
       }
     
    +  bool exists(){
    +    if (claim_manager_ == nullptr){
    +      return false;
    --- End diff --
    
    This could lead to subtle bugs where a programming error (not setting/initializing claim_manager_)
would appear as a runtime state or error condition (file lost/doesn't exist).


> 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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