[jira] [Comment Edited] (JENA-1695) Refactor database storage for TDB2.

["Andy Seaborne (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JENA-1695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16816542#comment-16816542 ] 

Andy Seaborne edited comment on JENA-1695 at 4/13/19 1:41 PM:
--------------------------------------------------------------

Excellent!

To cope with dependency order, TIM2 can register a function during Jena init so DatasetGraphFactory API works as at present for applications. There is some better prefix handling as well `PrefixMapI` - a replacement (?maybe) for `PrefixMap` because I think basing around `IRI` has not proven to be a good idea for these lower level internal storage abstractions. 

`jena-db-storage` can evolve as well.  Maybe abstractions need improving or common functionality provided.



was (Author: andy.seaborne):
Excellent!

To cope with dependency order, TIM2 can register a function during Jena init so DatasetGraaahFactory works as at present for applications. There is some better prefix handling as well `PrefixMapI` - a replacement (?) for `PrefixMap` because I think basing around `IRI` has not proven to be a good idea for these lower level internal storage abstractions. 

`jena-db-storage` can evolve as well.  Maybe abstractions need improving or common functionality provided.


> Refactor database storage for TDB2.
> -----------------------------------
>
>                 Key: JENA-1695
>                 URL: https://issues.apache.org/jira/browse/JENA-1695
>             Project: Apache Jena
>          Issue Type: Improvement
>          Components: DBOE
>    Affects Versions: Jena 3.11.0
>            Reporter: Andy Seaborne
>            Assignee: Andy Seaborne
>            Priority: Major
>             Fix For: Jena 3.12.0
>
>
> This ticket is for a new module (provisionally called "jena-db-storage") that is a framework for building RDF databases. It abstracts the database in to "triples+quads", "prefixes" and transactional control.
> {noformat}
> public interface DatabaseRDF  {
>     // Triples and Quads
>     public StorageRDF getData();
>     // Prefixes
>     public StoragePrefixes getPrefixes();
>     //Transactional} for this database.
>     public Transactional getTransactional();
> }
> {noformat}



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