Examples of org.apache.ojb.odmg.shared.Article

org.apache.ojb.odmg.shared.Article
Simple Article class is not derived from any base class nor does it implement any Interface, but still it can be made persistent by the PersistenceBroker. Has a lot of private members to be mapped to rdbms columns, but only few business methods

        // clear named roots.
        clearNRM();
        Transaction tx = odmg.newTransaction();
        //bind object to name
        tx.begin();
        Article example = createArticle();
        Identity oid = new Identity(example, ((HasBroker)tx).getBroker());


        try 
        {
            db.bind(example, bindingName);
            tx.commit();
        }
        catch (ObjectNameNotUniqueException ex)
        {
            tx.abort();
            fail(ex.getMessage());
        }


        // TestThreadsNLocks look up
        Article lookedUp1 = null;
        tx = odmg.newTransaction();
        tx.begin();


        try
        {

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        Transaction tx = odmg.newTransaction();
        // 1. perform binding
        tx.begin();


        Article example = createArticle();


        try
        {
            db.bind(example, name);
            tx.commit();
        }
        catch (ObjectNameNotUniqueException ex)
        {
            tx.abort();
            fail(ex.getMessage());
        }


        // 2. perform unbind
        tx = odmg.newTransaction();
        tx.begin();
        try
        {
            db.unbind(name);
            tx.commit();
        }
        catch (ObjectNameNotFoundException ex)
        {
            tx.abort();
            fail("name " + name + "should be known");
        }


        // 3. check if name is really unknown now
        tx = odmg.newTransaction();
        tx.begin();
        try
        {
            Article value = (Article) db.lookup(name);
        }
        catch (ObjectNameNotFoundException ex)
        {
            // OK !
            tx.commit();

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        //perform transaction
        try
        {
            tx.begin();


            Article example = new Article();
            example.setArticleId(777);
            example.setProductGroupId(7);
            db.makePersistent(example);


            // modify Object
            example.setStock(333);
            example.addToStock(47);
            example.addToStock(7);
            example.addToStock(4);


            //System.out.println("now commit all changes...");
            tx.commit();
        }
        catch (Exception ex)

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            OQLQuery query = odmg.newOQLQuery();
            query.create("select anArticle from " + Article.class.getName() + " where articleId = 60");
            List results = (List) query.execute();


            Article a = (Article) results.get(0);


            // cross check with PersistenceBroker lookup
            // 1. get OID
            Article example = new Article();
            example.setArticleId(60);
            Identity oid = new Identity(example, ((TransactionImpl) tx).getBroker());
            // 2. lookup object by OID
            PersistenceBroker broker = ((TransactionImpl) tx).getBroker();
            broker.clearCache();
            Article b = (Article) broker.getObjectByIdentity(oid);


            assertEquals("should be same object", a, b);


            //System.out.println("now commit all changes...");
            tx.commit();

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            // look it up again
            DList newResults = (DList) db.lookup(name);


            assertEquals(originalSize, newResults.size());
            Article art = (Article) newResults.get(0);
            assertNotNull(art);
//            OJB.getLogger().info(results);


            tx.commit();

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            query.create("select anArticle from " + Article.class.getName() + " where articleId = $678");
            query.bind(new Integer(30));


            List results = (List) query.execute();


            Article a = (Article) results.get(0);


            //crosscheck with PersistenceBroker lookup
            // 1. get OID
            Article example = new Article();
            example.setArticleId(30);
            Identity oid = new Identity(example, ((TransactionImpl) tx).getBroker());


            // 2. lookup object by OID
            PersistenceBroker broker = ((TransactionImpl) tx).getBroker();
            broker.clearCache();
            Article b = (Article) broker.getObjectByIdentity(oid);


            assertEquals("should be same object", a, b);


            //System.out.println("now commit all changes...");
            tx.commit();

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            // retrieve an Article
            OQLQuery query = odmg.newOQLQuery();
            query.create("select anArticle from " + Article.class.getName() + " where articleId = $678");
            query.bind(new Integer(30));
            List results = (List) query.execute();
            Article a = (Article) results.get(0);


            // manipulate metadata
            broker = ((TransactionImpl) tx).getBroker();
            cld = broker.getClassDescriptor(Article.class);
            tablename = cld.getFullTableName();
            cld.setTableName("ELVIS");
            broker.getDescriptorRepository().setClassDescriptor(cld);


            //broker will crash as metadata is corrupt
            a.addToStock(5);
            tx.commit();
            fail("Can commit tx with corrupt metadata");
        }
        catch (Throwable t)
        {

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        pg1.setName("BatchModeTest ProductGroup #1");
        database.makePersistent(pg1);


        tx.checkpoint();


        Article a1 = Article.createInstance();
        a1.setArticleName("BatchModeTest Article #1");
        a1.setProductGroup(pg1);
        pg1.addArticle(a1);
        database.makePersistent(a1);


        ProductGroup pg2 = new ProductGroup();
        pg2.setName("BatchModeTest ProductGroup #2");
        database.makePersistent(pg2);


        Article a2 = Article.createInstance();
        a2.setArticleName("BatchModeTest Article #2");
        a2.setProductGroup(pg2);
        pg2.addArticle(a2);


        tx.checkpoint();


        database.deletePersistent(a1);

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            tx1 = (TransactionImpl) odmg.newTransaction();
            tx2 = (TransactionImpl) odmg.newTransaction();
            tx1.begin();
            tx2.begin();
            obj = new Article();
            obj.setArticleId(333);


        }
        catch (ODMGException e)
        {

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            tx1 = (TransactionImpl) odmg.newTransaction();
            tx2 = (TransactionImpl) odmg.newTransaction();
            tx1.begin();
            tx2.begin();


            obj = new Article();
            obj.setArticleId(333);


        }
        catch (ODMGException e)
        {

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org.apache.ojb.odmg.BatchModeTest

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