Examples of org.apache.ojb.odmg.oql.EnhancedOQLQuery

org.apache.ojb.odmg.oql.EnhancedOQLQuery
Offers useful none odmg-standard methods of the odmg {@link org.odmg.OQLQuery} interface.
Note: All listed methods are not part of the standard ODMG-api - they are special (proprietary) OJB extensions.
@version $Id: EnhancedOQLQuery.java,v 1.5.2.2 2005/12/21 22:29:53 tomdz Exp $

            // 3. Get a list of some articles


            Transaction tx = odmg.newTransaction();
            tx.begin();


            EnhancedOQLQuery query = odmg.newOQLQuery();
            String sql =
                    "select somePersons from "
                    + org.apache.ojb.broker.Person.class.getName();
            query.create(sql, start, end);


            ManageableCollection somePersons =
                    (ManageableCollection) query.execute();


            // Iterator over the restricted articles objects
            java.util.Iterator it = somePersons.ojbIterator();
            int count = 0;
            while (it.hasNext())

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            {
                tx.commit();
                return;
            }


            EnhancedOQLQuery query = odmg.newOQLQuery();
            String sql =
                    "select somePersons from "
                    + org.apache.ojb.broker.Person.class.getName();
            query.create(sql, start, end);
            ManageableCollection somePersons =
                    (ManageableCollection) query.execute();
            // Iterator over the restricted articles objects
            java.util.Iterator it = somePersons.ojbIterator();
            int count = 0;
            while (it.hasNext())
            {

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        int end = 5;
        Transaction tx = odmg.newTransaction();
        try
        {
            tx.begin();
            EnhancedOQLQuery query = odmg.newOQLQuery();
            String sql =
                    "select somePersons from "
                    + org.apache.ojb.broker.Person.class.getName();
            query.create(sql, start, end);
            query.execute();
            fail("should have thrown QueryInvalidException");
        }
        catch (QueryInvalidException iqe)
        {
            // we wait for this exception

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        int end = 10;
        try
        {
            Transaction tx = odmg.newTransaction();
            tx.begin();
            EnhancedOQLQuery query = odmg.newOQLQuery();
            String sql =
                    "select somePersons from "
                    + org.apache.ojb.broker.Person.class.getName();
            query.create(sql, start, end);
            query.execute();
            fail("should have thrown QueryInvalidException");
        }
        catch (QueryInvalidException iqe)
        {
        }

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            // 3. Get a list of some articles
            Transaction tx = odmg.newTransaction();
            tx.begin();


            EnhancedOQLQuery query = odmg.newOQLQuery();
            String sql =
                    "select somePersons from "
                    + org.apache.ojb.broker.Person.class.getName();
            query.create(sql, start, end);


            ManageableCollection somePersons =
                    (ManageableCollection) query.execute();


            // Iterator over the restricted articles objects
            java.util.Iterator it = somePersons.ojbIterator();
            int count = 0;
            while (it.hasNext())

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