Examples of org.exolab.castor.jdo.QueryResults

org.exolab.castor.jdo.QueryResults
An iteration of the results of a query. This interface provides the ability to move forward only in the result set and pick the next result and close it. @author Assaf Arkin @version $Revision: 7091 $ $Date: 2004-05-03 16:05:30 -0600 (Mon, 03 May 2004) $

     */
    public final void testSizeB() throws PersistenceException {
        _db.begin();
        OQLQuery oqlquery = _db.getOQLQuery(
                "SELECT object FROM " + Entity.class.getName() + " object");
        QueryResults enumeration = oqlquery.execute(true);
        while (enumeration.hasMore()) {
            enumeration.next();
            assertTrue("size should be > 0", enumeration.size() > 0);
            assertEquals("size should be ==25", enumeration.size(), 25);
        }
        _db.commit();
    }

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     */
    public final void testSizeC() throws PersistenceException {
        _db.begin();
        OQLQuery oqlquery = _db.getOQLQuery(
                "SELECT object FROM " + Entity.class.getName() + " object");
        QueryResults enumeration = oqlquery.execute(true);
        int expectedSize = enumeration.size();
        int realSize = 0;
        while (enumeration.hasMore()) {
            enumeration.next();
            realSize++;
        }
        _db.commit();
        assertEquals("realsize didn't equal expectedsize", realSize, expectedSize);
    }

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    protected void testOneKeyGen(final Class objClass, final Class extClass)
    throws Exception {
        OQLQuery oql;
        UuidObject object;
        UuidObject ext;
        QueryResults enumeration;
        
        // Open transaction in order to perform JDO operations
        _db.begin();


        // Create first object
        object = (UuidObject) objClass.newInstance();
        LOG.debug("Creating first object: " + object);
        _db.create(object);
        LOG.debug("Created first object: " + object);


        // Create second object
        ext = (UuidObject) extClass.newInstance();
        LOG.debug("Creating second object: " + ext);
        _db.create(ext);
        LOG.debug("Created second object: " + ext);


        _db.commit();


        _db.begin();


        // Find the first object and remove it
        //object = (TestUuidObject) _db.load( objClass, object.getId() );
        oql = _db.getOQLQuery();
        oql.create("SELECT object FROM " + objClass.getName()
                + " object WHERE id = $1");
        oql.bind(object.getId());
        enumeration = oql.execute();
        LOG.debug("Removing first object: " + object);
        if (enumeration.hasMore()) {
            object = (UuidObject) enumeration.next();
            _db.remove(object);
            LOG.debug("OK: Removed");
        } else {
            LOG.error("first object not found");
            fail("first object not found");
        }


        // Find the second object and remove it
        //ext = (TestUuidObject) _db.load( extClass, ext.getId() );
        oql = _db.getOQLQuery();
        oql.create("SELECT ext FROM " + extClass.getName()
                + " ext WHERE id = $1");
        oql.bind(ext.getId());
        enumeration = oql.execute();
        LOG.debug("Removing second object: " + ext);
        if (enumeration.hasMore()) {
            ext = (UuidObject) enumeration.next();
            _db.remove(ext);
            LOG.debug("OK: Removed");
        } else {
            LOG.error("second object not found");
            fail("second object not found");

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        long begin = System.currentTimeMillis();
        
        OQLQuery query = db.getOQLQuery(
                "SELECT o FROM " + Locked.class.getName() + " o order by o.id");
        QueryResults results = query.execute();
        
        long result = System.currentTimeMillis();
        
        int count = 0;
        while (results.hasMore()) {
            iterateStates((Locked) results.next());


            count++;
        }
        
        long iterate = System.currentTimeMillis();

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        long begin = System.currentTimeMillis();
        
        OQLQuery query = db.getOQLQuery(
                "SELECT o FROM " + Locked.class.getName() + " o order by o.id");
        QueryResults results = query.execute();
        
        long result = System.currentTimeMillis();
        
        int count = 0;
        while (results.hasMore()) {
            iterateStates((Locked) results.next());


            count++;
        }
        
        long iterate = System.currentTimeMillis();

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        long begin = System.currentTimeMillis();
        
        OQLQuery query = db.getOQLQuery(
                "SELECT o FROM " + Locked.class.getName() + " o order by o.id");
        QueryResults results = query.execute(Database.READONLY);
        
        long result = System.currentTimeMillis();
        
        int count = 0;
        while (results.hasMore()) {
            iterateStates((Locked) results.next());


            count++;
        }
        
        long iterate = System.currentTimeMillis();

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        long begin = System.currentTimeMillis();
        
        OQLQuery query = db.getOQLQuery(
                "SELECT o FROM " + Locked.class.getName() + " o order by o.id");
        QueryResults results = query.execute(Database.READONLY);
        
        long result = System.currentTimeMillis();
        
        int count = 0;
        while (results.hasMore()) {
            iterateStates((Locked) results.next());


            count++;
        }
        
        long iterate = System.currentTimeMillis();

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        OQLQuery query = db.getOQLQuery(
                "CALL SQL select PTF_LOCKED.ID as ID "
              + "from PTF_LOCKED order by PTF_LOCKED.ID "
              + "AS " + OID.class.getName());
        QueryResults results = query.execute(Database.READONLY);
        
        long result = System.currentTimeMillis();
        
        int count = 0;
        while (results.hasMore()) {
            OID oid = (OID) results.next();
            iterateStates((Locked) db.load(Locked.class, oid.getId()));


            count++;
        }

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        OQLQuery query = db.getOQLQuery(
                "CALL SQL select PTF_LOCKED.ID as ID "
              + "from PTF_LOCKED order by PTF_LOCKED.ID "
              + "AS " + OID.class.getName());
        QueryResults results = query.execute(Database.READONLY);
        
        long result = System.currentTimeMillis();
        
        int count = 0;
        while (results.hasMore()) {
            OID oid = (OID) results.next();
            iterateStates((Locked) db.load(Locked.class, oid.getId()));


            count++;
        }

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        OQLQuery query = db.getOQLQuery(
                "CALL SQL select PTF_LOCKED.ID as ID "
              + "from PTF_LOCKED order by PTF_LOCKED.ID "
              + "AS " + OID.class.getName());
        QueryResults results = query.execute(Database.READONLY);
        
        long result = System.currentTimeMillis();
        
        int count = 0;
        while (results.hasMore()) {
            OID oid = (OID) results.next();
            iterateStates((Locked) db.load(Locked.class, oid.getId(), Database.READONLY));


            count++;
        }

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