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

Class com.hp.hpl.jena.tdb.StoreConnection

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

com.hp.hpl.jena.tdb.StoreConnection.begin()
Begin a transaction. Terminate a write transaction with {@link Transaction#commit()} or {@link Transaction#abort()}. Terminate a write transaction with {@link Transaction#close()}.

    {
        // JENA-91
        // READ(start)-WRITE-WRITE-WRITE-READ(finish)-check
        StoreConnection sConn = getStoreConnection() ;


        DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        dsgW1.add(q1) ;
        dsgW1.commit() ;
        dsgW1.end() ;

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        // JENA-91
        // READ(start)-WRITE-WRITE-WRITE-READ(finish)-check
        StoreConnection sConn = getStoreConnection() ;


        DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
        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 dsgW3 = sConn.begin(ReadWrite.WRITE) ;

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


        DatasetGraphTxn dsgW3 = sConn.begin(ReadWrite.WRITE) ;
        dsgW3.add(q3) ;
        dsgW3.commit() ;
        dsgW3.end() ;


        dsgR1.end() ;

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    //@Test (expected=TDBTransactionException.class)
    public void trans_20()
    {
        // Two WRITE : This would block.
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE) ;
    }
    
    @Test (expected=TDBException.class) 
    public void trans_21()

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    public void trans_20()
    {
        // Two WRITE : This would block.
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
        DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE) ;
    }
    
    @Test (expected=TDBException.class) 
    public void trans_21()
    {

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    @Test (expected=TDBException.class) 
    public void trans_21()
    {
        // READ-add
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsg = sConn.begin(ReadWrite.READ) ;
        dsg.add(q) ;
    }
    
    @Test //(expected=TDBException.class) 
    public void trans_22()

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    @Test //(expected=TDBException.class) 
    public void trans_22()
    {
        // WRITE-close causes implicit abort
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsg = sConn.begin(ReadWrite.WRITE) ;
        dsg.add(q) ;
        dsg.end() ;
    }
    
    //@Test

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    //@Test 
    public void trans_30()
    {
        // WRITE lots
        StoreConnection sConn = getStoreConnection() ;
        DatasetGraphTxn dsg = sConn.begin(ReadWrite.WRITE) ;
        for ( int i = 0 ; i < 600 ; i++ )
        {
            Quad q = SSE.parseQuad("(_ <s> <p> "+i+")") ;
            dsg.add(q) ;
        }

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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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