Examples with JDOException javax.jdo.JDOException used on opensource projects

Example 6 with JDOException

use of javax.jdo.JDOException in project tests by datanucleus.

the class PersistenceManagerTest method testMakeTransientExceptions.

/**
 * Tests attempts to call makeTransient must raise errors
 *
 * current state : new state/behaviour
 * ---------------- --------------------------
 * Transient : unchanged
 * P-new : error (IN TEST)
 * P-clean : Transient
 * P-dirty : error (IN TEST)
 * Hollow : Transient
 * T-clean : unchanged
 * T-dirty : unchanged
 * P-new-del : error (IN TEST)
 * P-del : error (IN TEST)
 * P-nontrans : Transient
 */
public void testMakeTransientExceptions() throws Exception {
    try {
        PersistenceManager pm = pmf.getPersistenceManager();
        Transaction tx = pm.currentTransaction();
        try {
            int dataset = 0;
            Person p = new Person(dataset, FIRSTNAME[dataset], LASTNAME[dataset], EMAIL[dataset]);
            boolean success;
            // -----------------------
            // test P-new : error
            // -----------------------
            success = false;
            tx.begin();
            pm.makePersistent(p);
            try {
                pm.makeTransient(p);
                success = false;
            } catch (JDOException ex) {
                success = true;
            } finally {
                tx.rollback();
            }
            if (!success) {
                fail("persistent object in P-new state should have not been made transient");
            }
            // -----------------------
            // P-new-del : error
            // -----------------------
            success = false;
            tx = pm.currentTransaction();
            tx.begin();
            pm.makePersistent(p);
            pm.deletePersistent(p);
            try {
                pm.makeTransient(p);
                success = false;
            } catch (JDOException ex) {
                success = true;
            } finally {
                tx.rollback();
            }
            if (!success) {
                fail("persistent object in P-new-del state should have not been made transient");
            }
            // -----------------------
            // prepare data for the next tests
            // -----------------------
            // create object in database
            tx.begin();
            pm.makePersistent(p);
            tx.commit();
            Object id = pm.getObjectId(p);
            // -----------------------
            // P-dirty : error
            // -----------------------
            success = false;
            tx = pm.currentTransaction();
            tx.begin();
            p = (Person) pm.getObjectById(id, true);
            p.setEmailAddress("new email");
            try {
                pm.makeTransient(p);
                success = false;
            } catch (JDOException ex) {
                success = true;
            } finally {
                tx.rollback();
            }
            if (!success) {
                fail("persistent object in P-dirty state should have not been made transient");
            }
            // -----------------------
            // test P-del : error
            // -----------------------
            success = false;
            tx = pm.currentTransaction();
            tx.begin();
            p = (Person) pm.getObjectById(id, true);
            pm.deletePersistent(p);
            try {
                pm.makeTransient(p);
                success = false;
            } catch (JDOException ex) {
                success = true;
            } finally {
                tx.commit();
            }
            if (!success) {
                fail("persistent object in P-del state should have not been made transient");
            }
        } finally {
            pm.close();
        }
    } finally {
        // Clean out our data
        clean(Person.class);
    }
}

Example 7 with JDOException

use of javax.jdo.JDOException in project tests by datanucleus.

the class JDOQLInMemoryTest method testInstanceOf.

/**
 * Test use of instanceof operator.
 */
public void testInstanceOf() {
    PersistenceManager pm = pmf.getPersistenceManager();
    Transaction tx = pm.currentTransaction();
    try {
        tx.begin();
        // Persist 2 Employees
        Employee emp1 = new Employee(101, "F1", "S1", "f1.s1@company.com", 100f, "10001");
        Employee emp2 = new Employee(102, "F2", "S2", "f2.s2@company.com", 200f, "10002");
        pm.makePersistent(emp1);
        pm.makePersistent(emp2);
        pm.flush();
        // Find all Employee objects
        Query q = pm.newQuery(getQueryLanguage(), "SELECT FROM " + Person.class.getName() + " WHERE this instanceof Employee");
        q.addExtension("datanucleus.query.evaluateInMemory", "true");
        List results = (List) q.execute();
        assertNotNull("No results from query!", results);
        assertEquals("Number of Employees was incorrect", 2, results.size());
        Iterator iter = results.iterator();
        while (iter.hasNext()) {
            Object obj = iter.next();
            assertTrue("Returned object is not an Employee!", obj instanceof Employee);
        }
        tx.commit();
    } catch (JDOException e) {
        LOG.error("Exception in execution of query", e);
        fail(e.getMessage());
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        pm.close();
        clean(Employee.class);
    }
}

Example 8 with JDOException

use of javax.jdo.JDOException in project tests by datanucleus.

the class JDOQLInMemoryTest method testCast.

/**
 * Test use of a cast operator.
 */
public void testCast() {
    PersistenceManager pm = pmf.getPersistenceManager();
    Transaction tx = pm.currentTransaction();
    try {
        tx.begin();
        // Persist 2 Employees
        Employee emp1 = new Employee(101, "F1", "S1", "f1.s1@company.com", 100f, "10001");
        Employee emp2 = new Employee(102, "F2", "S2", "f2.s2@company.com", 200f, "10002");
        pm.makePersistent(emp1);
        pm.makePersistent(emp2);
        pm.flush();
        // Find the Employee with the specified serial number
        Query q = pm.newQuery(getQueryLanguage(), "SELECT FROM " + Person.class.getName() + " WHERE this instanceof Employee && ((Employee)this).serialNo == \"10001\"");
        q.addExtension("datanucleus.query.evaluateInMemory", "true");
        List results = (List) q.execute();
        assertNotNull("No results from query!", results);
        assertEquals("Number of Employees with serial number was incorrect", 1, results.size());
        Object obj = results.get(0);
        assertTrue("Object is not Employee", obj instanceof Employee);
        Employee emp = (Employee) obj;
        assertEquals("Employee first name is incorrect", "F1", emp.getFirstName());
        assertEquals("Employee last name is incorrect", "S1", emp.getLastName());
        assertEquals("Employee serial number is incorrect", "10001", emp.getSerialNo());
        tx.commit();
    } catch (JDOException e) {
        LOG.error("Exception in execution of query", e);
        fail(e.getMessage());
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        pm.close();
        clean(Employee.class);
    }
}

Example 9 with JDOException

use of javax.jdo.JDOException in project datanucleus-api-jdo by datanucleus.

the class JDOQLTypedQueryImpl method candidate.

/* (non-Javadoc)
     * @see javax.jdo.JDOQLTypedQuery#candidate()
     */
public PersistableExpression candidate() {
    assertIsOpen();
    String candName = candidateCls.getName();
    int pos = candName.lastIndexOf('.');
    String qName = candName.substring(0, pos + 1) + getQueryClassNameForClassName(candName.substring(pos + 1));
    try {
        // Use the candidate() static method for access
        Class qClass = ec.getClassLoaderResolver().classForName(qName);
        Method method = qClass.getMethod("candidate", new Class[] {});
        Object candObj = method.invoke(null, (Object[]) null);
        if (candObj == null || !(candObj instanceof PersistableExpression)) {
            throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
        }
        return (PersistableExpression) candObj;
    } catch (NoSuchMethodException nsfe) {
        throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
    } catch (InvocationTargetException ite) {
        throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
    } catch (IllegalAccessException iae) {
        throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
    }
}

Example 10 with JDOException

use of javax.jdo.JDOException in project datanucleus-api-jdo by datanucleus.

the class JDOQLTypedSubqueryImpl method candidate.

/* (non-Javadoc)
     * @see org.datanucleus.query.typesafe.TypesafeSubquery#candidate()
     */
public PersistableExpression candidate() {
    String candName = candidateCls.getName();
    int pos = candName.lastIndexOf('.');
    String qName = candName.substring(0, pos + 1) + JDOQLTypedQueryImpl.getQueryClassNameForClassName(candName.substring(pos + 1));
    try {
        // Access the "candidate" field of the query class
        Class qClass = ec.getClassLoaderResolver().classForName(qName);
        Constructor ctr = qClass.getConstructor(new Class[] { PersistableExpression.class, String.class });
        Object candObj = ctr.newInstance(new Object[] { null, candidateAlias });
        if (candObj == null || !(candObj instanceof PersistableExpression)) {
            throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
        }
        return (PersistableExpression) candObj;
    } catch (NoSuchMethodException nsfe) {
        throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
    } catch (InvocationTargetException ite) {
        throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
    } catch (InstantiationException ie) {
        throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
    } catch (IllegalAccessException iae) {
        throw new JDOException("Class " + candidateCls.getName() + " has a Query class but the candidate is invalid");
    }
}