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();


        //perform transaction
        try
        {

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        //try open database with non existing repository file:
        String wrongDatabaseName = "ThereIsNoSuchFile";
        try
        {
            db.open(wrongDatabaseName, Database.OPEN_READ_WRITE);
            fail("should not be able to open database " + wrongDatabaseName);
        }
        catch (ODMGException ex)
        {
            return;

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        String tablename = null;


        //open database
        try
        {
            db.open(databaseName, Database.OPEN_READ_WRITE);
        }
        catch (ODMGException ex)
        {
            fail("ODMGException: " + ex.getMessage());
        }

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        try
        {
            if (log.isDebugEnabled())
                log.debug("open new database " +
                        db + " using databaseName name " + BeanConstants.DEF_DATABASE_NAME);
            db.open(BeanConstants.DEF_DATABASE_NAME, Database.OPEN_READ_WRITE);
        }
        catch (ODMGException e)
        {
            log.error("Database open failed", e);
            throw new OJBRuntimeException("Unable to open database using ODMG api", e);

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


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

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


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

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        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        String name = "testDuplicateInsertion_" + System.currentTimeMillis();
        String nameNew = "testDuplicateInsertion_New_" + System.currentTimeMillis();


        db.open(databaseName, Database.OPEN_READ_WRITE);
        //System.out.println("TEST: Database open");


        // insert an object with UNIQUE field NAME="A site"
        //System.out.println("TEST: Insert first object");
        newSite(odmg, name, 2, 1);

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    {
        Implementation odmg = OJB.getInstance();
        Database db = odmg.newDatabase();
        String name = "testSimpleQueryDelete - " + System.currentTimeMillis();


        db.open(databaseName, Database.OPEN_READ_WRITE);
        Site site = new Site();
        site.setName(name);
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.lock(site, Transaction.WRITE);

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                restore = true;
                conf.setUseImplicitLocking(false);
            }
            Implementation odmg = OJB.getInstance();
            Database db = odmg.newDatabase();
            db.open(databaseName, Database.OPEN_READ_WRITE);


            String name = "testImplicitLocking - " + System.currentTimeMillis();
            String queryString = "select sites from " + Site.class.getName() + " where name = $1";


            /* Create an object */

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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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