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.

          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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      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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      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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        {
//        log.info("Init ODMG-API");
            PerformanceArticle art2 = createArticle(1001);
            Implementation ojb = OJB.getInstance();
            Database db = ojb.newDatabase();
            db.open(databaseName, Database.OPEN_READ_WRITE);
            Transaction tx = ojb.newTransaction();
            tx.begin();
            tx.lock(art2, Transaction.WRITE);
            tx.commit();

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        protected void deleteArticles() throws Exception
        {
            long start = System.currentTimeMillis();
            Database db = ojb.newDatabase();
            db.open(databaseName, Database.OPEN_READ_WRITE);
            for (int i = 0; i < arr.length; i++)
            {
                Transaction tx = ojb.newTransaction();
                tx.begin();
                db.deletePersistent(arr[i]);

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        protected void deleteFarAways() throws Exception
        {
            long start = System.currentTimeMillis();
            Database db = ojb.newDatabase();
            db.open(databaseNameFarAway, Database.OPEN_READ_WRITE);
            for (int i = 0; i < arr.length; i++)
            {
                Transaction tx = ojb.newTransaction();
                tx.begin();
                db.deletePersistent(arrFarAway[i]);

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        protected void insertNewArticles() throws Exception
        {
            long start = System.currentTimeMillis();
            Database db = ojb.newDatabase();
            db.open(databaseName, Database.OPEN_READ_WRITE);
            for (int i = 0; i < arr.length; i++)
            {
                Transaction tx = ojb.newTransaction();
                tx.begin();
                tx.lock(arr[i], Transaction.WRITE);

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        protected void insertNewFarAways() throws Exception
        {
            long start = System.currentTimeMillis();
            Database db = ojb.newDatabase();
            db.open(databaseNameFarAway, Database.OPEN_READ_WRITE);
            for (int i = 0; i < arr.length; i++)
            {
                Transaction tx = ojb.newTransaction();
                tx.begin();
                tx.lock(arrFarAway[i], Transaction.WRITE);

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        {
            long start = System.currentTimeMillis();
            int artId = arr[0].articleId;


            Database db = ojb.newDatabase();
            db.open(databaseName, Database.OPEN_READ_WRITE);


            Transaction tx = ojb.newTransaction();
            tx.begin();
            OQLQuery query = ojb.newOQLQuery();
            String sql = "select allArticles from " + PerformanceArticle.class.getName() +

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        {
            long start = System.currentTimeMillis();
            int farAway_id = arrFarAway[0].getId();


            Database db = ojb.newDatabase();
            db.open(databaseNameFarAway, Database.OPEN_READ_WRITE);
            Transaction tx = ojb.newTransaction();
            tx.begin();
            OQLQuery query = ojb.newOQLQuery();
            String sql = "select allFarAways from " + FarAwayClass.class.getName() +
                    " where name = \"" + PRE_NAME + threadName + "\"";

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