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.


        // get facade instance
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        //open database
        db.open(databaseName, Database.OPEN_READ_WRITE);


        Transaction tx = odmg.newTransaction();
        tx.begin();
        // create DList and bound by name
        DList list = odmg.newDList();

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        // get facade instance
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        //open database
        db.open(databaseName, Database.OPEN_READ_WRITE);


        // create test objects
        Transaction tx = odmg.newTransaction();
        tx.begin();
        // add objects to list

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        // get facade instance
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        //open database
        db.open(databaseName, Database.OPEN_READ_WRITE);
        // get DList and fill with objects
        DList list = odmg.newDList();
        Transaction tx = odmg.newTransaction();
        tx.begin();
        for (int i = 0; i < 5; i++)

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        // get facade instance
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        //open database
        db.open(databaseName, Database.OPEN_READ_WRITE);
        Transaction tx = odmg.newTransaction();


        tx.begin();
        DList list = odmg.newDList();
        // bind the list to the name:

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        // get facade instance
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        //open database
        db.open(databaseName, Database.OPEN_READ_WRITE);
        Transaction tx = odmg.newTransaction();


        tx.begin();
        DList list = odmg.newDList();
        db.bind(list, name);

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        String name = "testDBag_" + System.currentTimeMillis();
        // get facade instance
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        //open database
        db.open(databaseName, Database.OPEN_READ_WRITE);
        Transaction tx = odmg.newTransaction();
        tx.begin();
        DBag bag1 = odmg.newDBag();
        DBag bag2 = odmg.newDBag();
        DListObject a, b, c, d, e;

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        String set_2 = "set_2_" + System.currentTimeMillis();
        // get facade instance
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        //open database
        db.open(databaseName, Database.OPEN_READ_WRITE);
        Transaction tx = odmg.newTransaction();
        tx.begin();


        DListObject a, b, c, d, e;
        a = createObject(name);

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     */
    protected void deleteArticles() 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();
        for (int i = 0; i < articleCount; i++)
        {

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     */
    protected void insertNewArticles() 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();
        for (int i = 0; i < articleCount; i++)
        {

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    protected void readArticles() throws Exception
    {
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        long start = System.currentTimeMillis();
        db.open(databaseName, Database.OPEN_READ_ONLY);
        Transaction tx = odmg.newTransaction();
        tx.begin();
        for (int i = 0; i < articleCount; i++)
        {
            OQLQuery query = odmg.newOQLQuery();

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