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https://issues.apache.org/jira/browse/COMMONSRDF-17?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15611286#comment-15611286
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Stian Soiland-Reyes commented on COMMONSRDF-17:
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I think we'll settle with the current {{long size()}} to avoid changing it at
this stage. There's still chance to change our mind for 1.0.0 - in which case
this issue (or a new one) should be reopened.
> 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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