[jira] [Comment Edited] (COMMONSRDF-17) Size method

["Sergio Fernández (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/COMMONSRDF-17?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14986813#comment-14986813 ] 

Sergio Fernández edited comment on COMMONSRDF-17 at 11/3/15 7:04 AM:
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Summarizing all opinions, here and at the original github issue, if I'm right we have:

* +1 for {{long size()}}: [~wikier], [~andy.seaborne], [~p_ansell]
* -0 for {{long size()}}: [~stain]
* -1 for {{long size()}}:  [~reto]



was (Author: wikier):
Summarizing all opinions, here and at the original github issue, if I'm right we have:

* +1 for `long size()`: [~wikier], [~andy.seaborne], [~p_ansell]
* -0 for `long size()`: [~stain]
* -1 for `long size()`:  [~reto]


> Size method
> -----------
>
>                 Key: COMMONSRDF-17
>                 URL: https://issues.apache.org/jira/browse/COMMONSRDF-17
>             Project: Apache Commons RDF
>          Issue Type: Improvement
>            Reporter: Reto Gmür
>
> The size method is problematic for two reasons:
> - it is incompatible with the Collections-API, implementations cannot at the same time implement Collection<Triple> (even though a Graph is a collection of triples).
> - With some types of implementations calculating the exact size of a graph can be very expensive and often the client just requires an approximate size
> So I propose to replace the size method with the following
> [- size: int: same as in Collection.size (returns Integer.MAX_VALUE for bigger graphs) ]
> - exactSize: long: the exact size
> - approximateSize: long: the approximate size
> For all but exactSize the interface can provide default implementations.



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