Examples of com.hp.hpl.jena.graph.TransactionHandler.transactionsSupported()

Class com.hp.hpl.jena.graph.TransactionHandler

Examples of com.hp.hpl.jena.graph.TransactionHandler.transactionsSupported()

com.hp.hpl.jena.graph.TransactionHandler.transactionsSupported()
Does this handler support transactions at all? @return true iff begin/abort/commit are implemented and make sense.

     */
    public void testHasTransactions()
    {
        Graph g = getGraph();
        TransactionHandler th = g.getTransactionHandler();
        th.transactionsSupported();
        try { th.begin(); } catch (UnsupportedOperationException x) {}
        try { th.abort(); } catch (UnsupportedOperationException x) {}
        try { th.begin(); th.commit(); } catch (UnsupportedOperationException x) {}
        /* */
        Command cmd = new Command()

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    }


    public void testExecuteInTransactionCatchesThrowable()
    {Graph g = getGraph();
    TransactionHandler th = g.getTransactionHandler();
    if (th.transactionsSupported())
    {
        Command cmd = new Command() 
        { @Override
            public Object execute() throws Error { throw new Error(); } };
            try { th.executeInTransaction( cmd ); }

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     */
    public void testHasTransactions()
    {
        Graph g = getGraph();
        TransactionHandler th = g.getTransactionHandler();
        th.transactionsSupported();
        try { th.begin(); } catch (UnsupportedOperationException x) {}
        try { th.abort(); } catch (UnsupportedOperationException x) {}
        try { th.begin(); th.commit(); } catch (UnsupportedOperationException x) {}
        /* */
        Command cmd = new Command()

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    }


    public void testExecuteInTransactionCatchesThrowable()
    {Graph g = getGraph();
    TransactionHandler th = g.getTransactionHandler();
    if (th.transactionsSupported())
    {
        Command cmd = new Command() 
        { @Override
            public Object execute() throws Error { throw new Error(); } };
            try { th.executeInTransaction( cmd ); }

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