Package ctf.jdo.tc2x

Source Code of ctf.jdo.tc2x.TestKeyGenUuid

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package ctf.jdo.tc2x;

import harness.TestHarness;
import harness.CastorTestCase;

import jdo.JDOCategory;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.exolab.castor.jdo.Database;
import org.exolab.castor.jdo.OQLQuery;
import org.exolab.castor.jdo.QueryResults;

/**
* Test for generic key generators (UUID).
*/
public final class TestKeyGenUuid extends CastorTestCase {
    private static final Log LOG = LogFactory.getLog(TestKeyGenUuid.class);

    private JDOCategory _category;
    private Database _db;

    public TestKeyGenUuid(final TestHarness category) {
        this("TC24", "Key generator: UUID", category);
    }

    public TestKeyGenUuid(final String name, final String description,
            final TestHarness category) {
        super(category, name, description);
        _category = (JDOCategory) category;
    }

    public void setUp() throws Exception {
        _db = _category.getDatabase();
    }

    public void runTest() throws Exception {
        testOneKeyGen(UuidObject.class, UuidExtends.class);
    }

    public void tearDown() throws Exception {
        if (_db.isActive()) { _db.rollback(); }
        _db.close();
    }

    /**
     * The main goal of the test is to verify key generators in the case
     * of "extends" relation between two classes.
     * For each key generator we have a pair of classes: TestXXXObject and
     * TestXXXExtends which use key generator XXX.
     */
    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");
        }
        _db.commit();
    }
}
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