[ 
https://issues.apache.org/jira/browse/MESOS-3955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Klaus Ma updated MESOS-3955:
----------------------------
    Description: 
Stateless are {{No Persistent Volume}} resources, it’s used by allocator to 
calculate optimised resources (stateless - unreserved - reserved(role)).

{code}
class Resources {
  ...
 // Tests if the given Resource object has no stateful elements.
 static bool isStateless(const Resource& resource);
 ...
 // Returns the resources that do not have stateful elements.
 Resources stateless() const;
 ...
}
{code}

  was:
{code}
class Resources {
  ...
 // Tests if the given Resource object has no stateful elements.
 static bool isStateless(const Resource& resource);
 ...
 // Returns the resources that do not have stateful elements.
 Resources stateless() const;
 ...
}
{code}


> Add helper function to get stateless resources.
> -----------------------------------------------
>
>                 Key: MESOS-3955
>                 URL: https://issues.apache.org/jira/browse/MESOS-3955
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Guangya Liu
>            Assignee: Guangya Liu
>
> Stateless are {{No Persistent Volume}} resources, it’s used by allocator to 
> calculate optimised resources (stateless - unreserved - reserved(role)).
> {code}
> class Resources {
>   ...
>  // Tests if the given Resource object has no stateful elements.
>  static bool isStateless(const Resource& resource);
>  ...
>  // Returns the resources that do not have stateful elements.
>  Resources stateless() const;
>  ...
> }
> {code}



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