#775: Can't create multiple "is a parent of" relations
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Reporter: rjollos | Owner: rjollos
Type: defect | Status: accepted
Priority: major | Milestone: Release 8
Component: relations | Version:
Resolution: | Keywords: validation
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Description changed by rjollos:
Old description:
> To reproduce:
> * Create tickets A, B, C
> * Create a relation: ticket A //is a parent of// B
> * Create a relation: ticket A //is a parent of// C
>
> The following error results:
> {{{#!html
> <div class="alert alert-error"><span class="label label-important">Oops
> !</span>
> Could not create relation.
> Resource <em>prod5:ticket:3</em> can only have one <b>is a
> parent of</b> relation.</div>
> }}}
>
> It appears that the `OneToManyValidator` needs to be more specific with
> regard to types of relations that it asserting on.
New description:
To reproduce:
* Create tickets A, B, C
* Create a relation: ticket A //is a parent of// B
* Create a relation: ticket A //is a parent of// C
The following error results:
{{{#!html
<div class="alert alert-error"><span class="label label-important">Oops
!</span>
Could not create relation.
Resource <em>prod5:ticket:3</em> can only have one <b>is a
parent of</b> relation.</div>
}}}
It appears that the `OneToManyValidator` needs to be more specific with
regard to type of relation that it is asserting on.
Proposals/BEP-0006#Constraints describes the requirement for the
OneToManyValidator: //Parent/child relationships should be "one-way" (i.e.
tree hierarchy, not a graph with backward relationships).// I interpret
this even more simply as, //a ticket cannot have multiple parents.//
For reference, the `OneToManyValidator` was implemented in [1483676] for
#528.
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Ticket URL: <https://issues.apache.org/bloodhound/ticket/775#comment:2>
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