Package com.hp.hpl.jena.tdb.transaction

Examples of com.hp.hpl.jena.tdb.transaction.DatasetGraphTxn

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    @Test
    public void store_4()
    {
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        dsgW1.add(q1) ;
        dsgW1.commit() ;
        dsgW1.end() ;
        dsgR1.end();
       
        StoreConnection.release(sConn.getLocation()) ;
        sConn = null ;
       
        StoreConnection sConn2 = getStoreConnection() ;
        DatasetGraphTxn dsgW2 = sConn2.begin(ReadWrite.WRITE) ;
        dsgW2.add(q2) ;
        dsgW2.commit() ;
        dsgW2.end() ;
       
        DatasetGraphTxn dsgR2 = sConn2.begin(ReadWrite.READ) ;
        long x = Iter.count(dsgR2.find()) ;
        assertEquals(2, x) ;
    }
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        // This tests that the dataset is sync'ed when going into transactional mode.
       
        StoreConnection sConn = getStoreConnection() ;
        Location loc = sConn.getLocation() ;

        DatasetGraphTxn dsgTxn = sConn.begin(ReadWrite.WRITE) ;

        dsgTxn.add(q1) ;
        assertTrue(dsgTxn.contains(q1)) ;
        dsgTxn.commit() ;
        dsgTxn.end() ;

        sConn.forceRecoverFromJournal() ;
        assertTrue(sConn.getBaseDataset().contains(q1)) ;
       
        StoreConnection.release(loc) ;
        sConn = StoreConnection.make(loc) ;
        DatasetGraph dsg2 = sConn.getBaseDataset() ;
        assertTrue(dsg2.contains(q1)) ;
       
        DatasetGraphTxn dsgTxn2 = sConn.begin(ReadWrite.READ) ;
        assertTrue(dsgTxn2.contains(q1)) ;
        dsgTxn2.end() ;
    }
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            dsg.add(q) ;
            TDB.sync(dsg) ;
            assertTrue(dsg.contains(q)) ;
        }

        DatasetGraphTxn dsgTxn = sConn.begin(ReadWrite.WRITE) ;
        if ( nonTxnData )
            assertTrue(dsgTxn.contains(q)) ;
        dsgTxn.add(q1) ;
        assertTrue(dsgTxn.contains(q1)) ;
        if ( nonTxnData )
            assertTrue(dsgTxn.contains(q)) ;
        dsgTxn.commit() ;
        dsgTxn.end() ;

        // Should have flushed to disk.
        if ( nonTxnData )
        {
            sConn.forceRecoverFromJournal() ;
            assertTrue(dsg.contains(q)) ;
        }
        assertTrue(dsg.contains(q1)) ;
       
        // release via the transactional machinery
        StoreConnection.release(loc) ;
        sConn = null ;
       
        StoreConnection sConn2 = StoreConnection.make(loc) ;
        DatasetGraph dsg2 = sConn2.getBaseDataset() ;
       
        if ( nonTxnData )
            assertTrue(dsg2.contains(q)) ;
        assertTrue(dsg2.contains(q1)) ;
       
        DatasetGraphTxn dsgTxn2 = sConn2.begin(ReadWrite.READ) ;
        if ( nonTxnData )
            assertTrue(dsgTxn2.contains(q)) ;
        assertTrue(dsgTxn2.contains(q1)) ;
        dsgTxn2.end() ;

        // Check API methods work.
        Dataset ds = TDBFactory.createDataset(loc) ;
        ds.begin(ReadWrite.READ) ;
        Model m = (q.isDefaultGraph() ? ds.getDefaultModel() : ds.getNamedModel("g")) ;
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    public static void backup(Location location, OutputStream backupfile)
    {
        Dataset ds = TDBFactory.createDataset(location) ;
        StoreConnection sConn = StoreConnection.make(location) ;
        DatasetGraphTxn dsg = sConn.begin(ReadWrite.READ, "backup") ;
        RDFDataMgr.write(backupfile, dsg, Lang.NQUADS) ;
        dsg.end();
    }
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    @Test
    public void store_0()
    {
        // Expel.
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        dsgW1.commit() ;
        dsgW1.end() ;
        StoreConnection.release(sConn.getLocation()) ;
        StoreConnection sConn2 = getStoreConnection() ;
    }
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    @Test
    public void store_1()
    {
        // Expel.
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        dsgW1.add(q1) ;
        dsgW1.commit() ;
        dsgW1.end() ;
        dsgR1.end();
       
        StoreConnection.release(sConn.getLocation()) ;
        sConn = null ;
       
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    public void store_2()
    {
        // Expel.
        // Only applies to non-memory.
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
        StoreConnection.release(sConn.getLocation()) ;
    }
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    @Test(expected=TDBTransactionException.class)
    public void store_3()
    {
        // Expel.
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.WRITE) ;
        StoreConnection.release(sConn.getLocation()) ;
    }
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    @Test
    public void store_4()
    {
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        dsgW1.add(q1) ;
        dsgW1.commit() ;
        dsgW1.end() ;
        dsgR1.end();
       
        StoreConnection.release(sConn.getLocation()) ;
        sConn = null ;
       
        StoreConnection sConn2 = getStoreConnection() ;
        DatasetGraphTxn dsgW2 = sConn2.begin(ReadWrite.WRITE) ;
        dsgW2.add(q2) ;
        dsgW2.commit() ;
        dsgW2.end() ;
       
        DatasetGraphTxn dsgR2 = sConn2.begin(ReadWrite.READ) ;
        long x = Iter.count(dsgR2.find()) ;
        assertEquals(2, x) ;
    }
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        // This tests that the dataset is sync'ed when going into transactional mode.
       
        StoreConnection sConn = getStoreConnection() ;
        Location loc = sConn.getLocation() ;

        DatasetGraphTxn dsgTxn = sConn.begin(ReadWrite.WRITE) ;

        dsgTxn.add(q1) ;
        assertTrue(dsgTxn.contains(q1)) ;
        dsgTxn.commit() ;
        dsgTxn.end() ;

        sConn.forceRecoverFromJournal() ;
        assertTrue(sConn.getBaseDataset().contains(q1)) ;
       
        StoreConnection.release(loc) ;
        sConn = StoreConnection.make(loc) ;
        DatasetGraph dsg2 = sConn.getBaseDataset() ;
        assertTrue(dsg2.contains(q1)) ;
       
        DatasetGraphTxn dsgTxn2 = sConn.begin(ReadWrite.READ) ;
        assertTrue(dsgTxn2.contains(q1)) ;
        dsgTxn2.end() ;
    }
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Related Classes of com.hp.hpl.jena.tdb.transaction.DatasetGraphTxn

  • com.hp.hpl.jena.tdb.extra.T_TransSystem
  • com.hp.hpl.jena.tdb.extra.T_TransSystem$Reader
  • com.hp.hpl.jena.tdb.extra.T_TransSystem$Writer
  • com.hp.hpl.jena.tdb.extra.T_TransSystemMultiDatasets$ReaderTx
  • com.hp.hpl.jena.tdb.extra.T_TransSystemMultiDatasets$WriterTx
  • com.hp.hpl.jena.tdb.extra.T_TxnDeadlockTest
  • com.hp.hpl.jena.tdb.store.AbstractStoreConnections
  • com.hp.hpl.jena.tdb.TDBBackup
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