Examples of org.odmg.Database.open()

org.odmg.Database.open()
Open the named database with the specified access mode. Attempts to open a database when it has already been opened will result in the throwing of the exception DatabaseOpenException. A DatabaseNotFoundException is thrown if the database does not exist. Some implementations may throw additional exceptions that are also derived from ODMGException. @param name The name of the database. @param accessMode The access mode, which should be one of the static fields:OPEN_READ_ONLY, OPEN_READ_WRITE, or OPEN_EXCLUSIVE. @exception ODMGException The database could not be opened.

        broker.clearCache();
        broker.close();


        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        OQLQuery query = odmg.newOQLQuery();
        String sql = "select allArticles from " + PerformanceArticle.class.getName() + " where articleId between " + new Integer(offsetId) + " and " + new Integer(offsetId + articleCount);
        query.create(sql);
        long start = System.currentTimeMillis();
        ManageableCollection collection = (ManageableCollection) query.execute();

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     */
    protected void updateExistingArticles() throws Exception
    {
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        Transaction tx = odmg.newTransaction();
        long start = System.currentTimeMillis();
        tx.begin();
        // update all objects
        for (int i = 0; i < articleCount; i++)

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     */
    public void testGetProjectionAttribute() throws Exception
    {
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        try
        {
            createData(db, odmg);


            // 3. Get a list of some articles

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     */
    public void testCreateWithUpdate() throws ODMGException
    {
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        Transaction tx = odmg.newTransaction();
        long currentTime = System.currentTimeMillis();


        BidirectionalAssociationObjectA a = new BidirectionalAssociationObjectA();
        a.setPk("A" + currentTime);

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     */
    public void NOTWORKINGtestCreateWithoutUpdate() throws ODMGException
    {
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        Transaction tx = odmg.newTransaction();
        long currentTime = System.currentTimeMillis();
        BidirectionalAssociationObjectA a = new BidirectionalAssociationObjectA();
        a.setPk("A" + currentTime);
        BidirectionalAssociationObjectB b = new BidirectionalAssociationObjectB();

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        testDeleteA();
        testDeleteB();
        testCreateWithUpdate();
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        OQLQuery query = odmg.newOQLQuery();
        int i = 0;
        query.create("select bidirectionalAssociationObjectA from " + BidirectionalAssociationObjectA.class.getName());
        Transaction tx = odmg.newTransaction();
        tx.begin();

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        testDeleteA();
        testDeleteB();
        testCreateWithUpdate();
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        OQLQuery query = odmg.newOQLQuery();
        int i = 0;
        query.create("select bidirectionalAssociationObjectB from " + BidirectionalAssociationObjectB.class.getName());
        Transaction tx = odmg.newTransaction();
        tx.begin();

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         */
        testCreateWithUpdate();


        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        OQLQuery query = odmg.newOQLQuery();
        query.create("select bidirectionalAssociationObjectA from " + BidirectionalAssociationObjectA.class.getName());
        Transaction tx = odmg.newTransaction();
        tx.begin();
        ManageableCollection all = (ManageableCollection) query.execute();

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         * create at least one A/B
         */
        testCreateWithUpdate();
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        db.open(databaseName, Database.OPEN_READ_WRITE);
        OQLQuery query = odmg.newOQLQuery();
        query.create("select bidirectionalAssociationObjectB from " + BidirectionalAssociationObjectB.class.getName());
        Transaction tx = odmg.newTransaction();
        tx.begin();
        ManageableCollection all = (ManageableCollection) query.execute();

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        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        //open database
        try
        {
            db.open(databaseName, Database.OPEN_READ_WRITE);
        }
        catch (ODMGException ex)
        {
            fail("ODMGException: " + ex.getMessage());
        }

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