Package com.hp.hpl.jena.tdb

Examples of com.hp.hpl.jena.tdb.StoreConnection.begin()

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    // Basics.
   
    @Test public void trans_01()
    {
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsg = sConn.begin(ReadWrite.READ) ;
        dsg.end() ;
    }
   

    @Test public void trans_02()
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    @Test public void trans_02()
    {
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsg = sConn.begin(ReadWrite.WRITE) ;
        try {
            dsg.add(q) ;
            assertTrue(dsg.contains(q)) ;
            dsg.commit() ;
        } finally { dsg.end() ; }
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    @Test public void trans_03()
    {
        // WRITE-commit-READ-check
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgW = sConn.begin(ReadWrite.WRITE) ;
       
        dsgW.add(q) ;
        assertTrue(dsgW.contains(q)) ;
        dsgW.commit() ;
        dsgW.end() ;
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        dsgW.add(q) ;
        assertTrue(dsgW.contains(q)) ;
        dsgW.commit() ;
        dsgW.end() ;
       
        DatasetGraphTxn dsg2 = sConn.begin(ReadWrite.READ) ;
        assertTrue(dsg2.contains(q)) ;
        dsg2.end() ;
       
        DatasetGraph dsg = sConn.getBaseDataset() ;
        assertTrue(dsg.contains(q)) ;
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    @Test public void trans_04()
    {
        // WRITE-abort-READ-check
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgW = sConn.begin(ReadWrite.WRITE) ;
       
        dsgW.add(q) ;
        assertTrue(dsgW.contains(q)) ;
        dsgW.abort() ;
        dsgW.end() ;
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        dsgW.add(q) ;
        assertTrue(dsgW.contains(q)) ;
        dsgW.abort() ;
        dsgW.end() ;
       
        DatasetGraphTxn dsg2 = sConn.begin(ReadWrite.READ) ;
        assertFalse(dsg2.contains(q)) ;
        dsg2.end() ;
       
        DatasetGraph dsg = sConn.getBaseDataset() ;
        assertFalse(dsg.contains(q)) ;
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    @Test public void trans_05()
    {
        // WRITE(commit)-WRITE(commit)-READ-check
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        dsgW1.add(q1) ;
        dsgW1.commit() ;
        dsgW1.end() ;

        DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE) ;
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        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        dsgW1.add(q1) ;
        dsgW1.commit() ;
        dsgW1.end() ;

        DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE) ;
        dsgW2.add(q2) ;
        dsgW2.commit() ;
        dsgW2.end() ;

        DatasetGraphTxn dsgR2 = sConn.begin(ReadWrite.READ) ;
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        DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE) ;
        dsgW2.add(q2) ;
        dsgW2.commit() ;
        dsgW2.end() ;

        DatasetGraphTxn dsgR2 = sConn.begin(ReadWrite.READ) ;
        assertTrue(dsgR2.contains(q1)) ;
        assertTrue(dsgR2.contains(q2)) ;
        dsgR2.end() ;
       
        DatasetGraph dsg = sConn.getBaseDataset() ;
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    @Test public void trans_06()
    {
        // READ(start)-READ(finish)-WRITE(start)-WRITE(commit)-check
        StoreConnection sConn = getStoreConnection() ;
       
        DatasetGraphTxn dsgR2 = sConn.begin(ReadWrite.READ) ;
        assertFalse(dsgR2.contains(q1)) ;
        assertFalse(dsgR2.contains(q2)) ;
        dsgR2.end() ;
       
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
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