Examples of com.hp.hpl.jena.tdb.store.DatasetGraphTDB

com.hp.hpl.jena.tdb.store.DatasetGraphTDB
This is the class that creates a dataset over the storage via TripleTable, QuadTable and prefixes. These may be transactional. See also:
- {@link DatasetGraphTxn} – the sublcass that provides a single tranasaction
- {@link DatasetGraphTransaction} – class that provides the application with the right DatasetGraphTDB (base or transaction).

            Node gn = opQuadPattern.getGraphNode() ;
            gn = decideGraphNode(gn, execCxt) ;
            
            if ( execCxt.getDataset() instanceof DatasetGraphTDB )
            {
                DatasetGraphTDB ds = (DatasetGraphTDB)execCxt.getDataset() ;
                Explain.explain("Execute", opQuadPattern.getPattern(), execCxt.getContext()) ;
                BasicPattern bgp = opQuadPattern.getBasicPattern() ;
                return SolverLib.execute(ds, gn, bgp, input, filter, execCxt) ;
            }
            // Maybe a TDB named graph inside a non-TDB dataset.

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    public static synchronized StoreConnection make(Location location)
    {
        StoreConnection sConn = cache.get(location) ;
        if (sConn != null) return sConn ;


        DatasetGraphTDB dsg = DatasetBuilderStd.build(location) ;
        sConn = _makeAndCache(dsg) ;
        return sConn ;
    }

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     * Return a StoreConnection backed by in-memory datastructures (for
     * testing).
     */
    public static StoreConnection createMemUncached()
    {
        DatasetGraphTDB dsg = DatasetBuilderStd.build(Location.mem()) ;
        return new StoreConnection(dsg) ;
    }

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    }


    @Override
    protected void exec()
    {
        DatasetGraphTDB dsg = super.getDatasetGraphTDB() ;
        // Just creating the DSG does a recovery so this is not (currently) necessary:
        // This may change (not immediately recovering on start up).
        JournalControl.recovery(dsg) ;
    }

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    }


    @Override
    protected void exec()
    {
        DatasetGraphTDB dsg = getDatasetGraphTDB() ;
        Node gn = getGraphName() ;
        StatsResults results = stats(dsg, gn) ;
        Stats.write(System.out, results) ;
    }

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        }


        @Override
        protected void exec()
        {
            DatasetGraphTDB dsg = getDatasetGraphTDB() ;
            Node gn = getGraphName() ;
            StatsResults results = tdbstats.stats(dsg, gn) ;
            Stats.write(System.out, results) ;
        }

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            return ;
        
        if ( ! sConn.haveUsedInTransaction() && get() != null )
        {
            // Non-transactional behaviour.
            DatasetGraphTDB dsg = get() ;
            dsg.sync() ;
            dsg.close() ;
            StoreConnection.release(dsg.getLocation()) ;
            isClosed = true ;
            return ;
        }
        
        if ( isInTransaction() )

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    }


    @Override
    protected void exec()
    {
        DatasetGraphTDB dsg = getDatasetGraphTDB() ;
        NodeTable nodeTable = dsg.getTripleTable().getNodeTupleTable().getNodeTable() ;
        Iterator<String> iter = super.getPositional().iterator() ;
        if ( ! iter.hasNext() )
        {
            System.err.println("No node ids") ;
            return ;

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        List<String> tripleIndexes = Arrays.asList(Names.tripleIndexes) ;
        List<String> quadIndexes = Arrays.asList(Names.quadIndexes) ;
        Location loc = modLocation.getLocation() ;
        
        StoreConnection sConn = StoreConnection.make(loc) ; 
        DatasetGraphTDB dsg = sConn.getBaseDataset() ;
        NodeTable nodeTable = dsg.getQuadTable().getNodeTupleTable().getNodeTable() ;
        dump(System.out, nodeTable) ;
    }

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     * Returns NodeId.NodeDoesNotExist when the node is not found. 
     * Returns null when not a TDB-backed dataset.
     */
    public static NodeId getNodeId(DatasetGraph ds, Node node)
    {
        DatasetGraphTDB dsg = getDatasetGraphTDB(ds) ;
        return getNodeId(dsg, node) ;
    }

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