[jira] [Updated] (COMMONSRDF-17) Size method

["Lewis John McGibbney (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COMMONSRDF-17?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lewis John McGibbney updated COMMONSRDF-17:
-------------------------------------------
    Fix Version/s: 0.3

> Size method
> -----------
>
>                 Key: COMMONSRDF-17
>                 URL: https://issues.apache.org/jira/browse/COMMONSRDF-17
>             Project: Apache Commons RDF
>          Issue Type: Improvement
>            Reporter: Reto Gmür
>             Fix For: 0.3
>
>
> 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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