Examples of org.odmg.Implementation.currentTransaction()

org.odmg.Implementation.currentTransaction()
Get the current Transaction for the thread. @return The current Transaction object or null if there is none. @see org.odmg.Transaction

        dateCrit.addOrCriteria( cutoffDateCrit );
        crit.addAndCriteria( dateCrit );
        
        ODMGXAWrapper txw = new ODMGXAWrapper();
  Implementation odmg = ODMG.getODMGImplementation();
  Transaction tx = odmg.currentTransaction();
        Collection result = null;
  try {
      PersistenceBroker broker = ((HasBroker) tx).getBroker();
      QueryByCriteria q = new QueryByCriteria( PhotoInfo.class, crit );
      result = broker.getCollectionByQuery( q );

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            assertNotNull(a);
        }


        tx = odmg.newTransaction();
        tx.begin();
        ((TransactionExt) odmg.currentTransaction()).getBroker().clearCache();


        // lookup list and check entries
        DList lookedUp = (DList) db.lookup(name);
        assertNotNull("binded DList not found", lookedUp);

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        }
        tx.commit();


        tx = odmg.newTransaction();
        tx.begin();
        ((TransactionExt) odmg.currentTransaction()).getBroker().clearCache();
        lookedUp = (DList) db.lookup(name);
        iter = lookedUp.iterator();
        iter1 = list.iterator();
        assertEquals("Wrong number of DListEntry found", 8, list.size());
        while (iter.hasNext())

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        }
        assertEquals(5, list.size());


        tx = odmg.newTransaction();
        tx.begin();
        ((TransactionExt) odmg.currentTransaction()).getBroker().clearCache();
        DList lookedUp = (DList) db.lookup(name);
        tx.commit();
        assertNotNull("binded DList not found", lookedUp);


        //System.out.println("sequence of items in lookedup list:");

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        tx.commit();


        // delete two items
        tx = odmg.newTransaction();
        tx.begin();
        ((HasBroker) odmg.currentTransaction()).getBroker().clearCache();
        DList lookedUp = (DList) db.lookup(name);
        assertNotNull("database lookup does not find the named DList", lookedUp);
        assertEquals("Wrong number of list entries", 5, lookedUp.size());
        lookedUp.remove(2);
        lookedUp.remove(1);

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        tx.commit();


        // check if deletion was successful
        tx = odmg.newTransaction();
        tx.begin();
        ((HasBroker) odmg.currentTransaction()).getBroker().clearCache();
        lookedUp = (DList) db.lookup(name);
        tx.commit();


        assertEquals(3, lookedUp.size());
    }

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