Examples of org.odmg.Transaction.abort()

org.odmg.Transaction.abort()
Abort and close the transaction. Calling abort abandons all persistent object modifications and releases the associated locks. Aborting a transaction does not restore the state of modified transient objects

        storeObjects(tx, getNewODMGZoos("testUserRollbackWithCheckpoint", 10));
        // now we store objects to DB
        tx.checkpoint();
        storeObjects(tx, getNewProjects("testUserRollbackWithCheckpoint", 10));
        //we abort tx, all actions after the last checkpoint call should be rollback
        tx.abort();


        odmgZoosAfter = getDBObjectCountWithNewPB(ODMGZoo.class);
        projectsAfter = getDBObjectCountWithNewPB(ODMGGourmet.class);
        odmgZoosAfterOQL = getDBObjectCountViaOqlQueryUseNewTransaction(odmg, ODMGZoo.class);
        projectsAfterOQL = getDBObjectCountViaOqlQueryUseNewTransaction(odmg, ODMGGourmet.class);

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        tx.lock(ro_2, Transaction.WRITE);
        ro_2 = new RollbackObjectOne();
        ro_2.setDescription(name);


        tx.abort();


        tx = odmg.newTransaction();
        tx.begin();
        query = odmg.newOQLQuery();
        query.create("select all from " + RollbackObjectOne.class.getName() + " where name like $1");

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    public void testEmpty() throws Exception
    {
        // get new tx instance each time
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.abort();


        tx = odmg.newTransaction();
        tx.begin();
        tx.checkpoint();
        tx.checkpoint();

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        tx = odmg.newTransaction();
        tx.begin();
        tx.checkpoint();
        tx.checkpoint();
        tx.abort();


        tx = odmg.newTransaction();
        tx.begin();
        tx.checkpoint();
        tx.checkpoint();

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        tx.commit();


        // with same tx instance
        tx = odmg.newTransaction();
        tx.begin();
        tx.abort();


        tx.begin();
        tx.checkpoint();
        tx.checkpoint();
        tx.abort();

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        tx.abort();


        tx.begin();
        tx.checkpoint();
        tx.checkpoint();
        tx.abort();


        tx.begin();
        tx.checkpoint();
        tx.checkpoint();
        tx.commit();

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    {
        try
        {
            Transaction tx = odmg.newTransaction();
            tx.begin();
            tx.abort();
            tx.abort();
        }
        catch(Exception e)
        {
            e.printStackTrace();

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        try
        {
            Transaction tx = odmg.newTransaction();
            tx.begin();
            tx.abort();
            tx.abort();
        }
        catch(Exception e)
        {
            e.printStackTrace();
            fail("We allow to do multiple tx.abort calls, but this test fails with: " + e.getMessage());

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            tx.commit();
            fail("A exception was expected");
        }
        catch(Exception e)
        {
            if(tx != null && tx.isOpen()) tx.abort();
        }
    }




    //**************************************************************

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        }
        catch(QueryInvalidException iqe)
        {
            // we wait for this exception
            assertTrue(true);
            tx.abort();
        }
    }


    /**
     * test condition where start and end are the same.

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