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

Example 6 with Extent

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

the class RelationshipTest method test1toNMappedByWithInheritance2.

/**
 * Test 1-N having a subclass on the source side (1=source, N=target) with the subclass having the
 * Set field.
 */
public void test1toNMappedByWithInheritance2() {
    try {
        addClassesToSchema(new Class[] { ContainerInheritanceRoot.class, ContainerInheritanceSub.class, ElementE.class });
        // Persist some objects
        PersistenceManager pm = pmf.getPersistenceManager();
        Transaction tx = pm.currentTransaction();
        try {
            tx.begin();
            String orgaID = "test.jpox.org";
            ContainerInheritanceSub c0 = new ContainerInheritanceSub(orgaID, "abcxyz001");
            c0.setE(new ElementE(orgaID, 0, c0));
            ElementE e1 = new ElementE(orgaID, 1, c0);
            e1.setCollectionOwner(c0);
            c0.getEs().add(e1);
            ElementE e2 = new ElementE(orgaID, 2, c0);
            e2.setCollectionOwner(c0);
            c0.getEs().add(e2);
            pm.makePersistent(c0);
            tx.commit();
        } catch (Exception e) {
            LOG.error(">> Exception thrown persisting objects : ", e);
            fail("Could not persist objects! " + e.getMessage());
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
        }
        pm.close();
    } finally {
        // Clean up our data
        PersistenceManager pm = pmf.getPersistenceManager();
        Transaction tx = pm.currentTransaction();
        try {
            // Disconnect all relations
            tx.begin();
            Extent ex = pm.getExtent(ContainerInheritanceSub.class);
            Iterator containerIter = ex.iterator();
            while (containerIter.hasNext()) {
                ContainerInheritanceSub cont = (ContainerInheritanceSub) containerIter.next();
                ElementE e = cont.getE();
                cont.setE(null);
                e.setCollectionOwner(null);
                cont.getEs().clear();
            }
            tx.commit();
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
        clean(ElementE.class);
        clean(ContainerInheritanceSub.class);
    }
}

Example 7 with Extent

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

the class AbstractClassesTest method testAbstractWithCollection.

/**
 * Test of a complex self-referencing assembly, with collections of abstract objects
 */
public void testAbstractWithCollection() {
    Object id = null;
    try {
        PersistenceManager pm = pmf.getPersistenceManager();
        Transaction tx = pm.currentTransaction();
        try {
            tx.begin();
            Module module = new Module();
            pm.makePersistent(module);
            tx.commit();
            id = pm.getObjectId(module);
            tx.begin();
            Extent extent = pm.getExtent(Module.class, true);
            Iterator mods = extent.iterator();
            Module mod = (Module) mods.next();
            mod.getRoot().traverse(1);
            tx.commit();
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
    } finally {
        PersistenceManager pm = pmf.getPersistenceManager();
        Transaction tx = pm.currentTransaction();
        try {
            tx.begin();
            Module mod = (Module) pm.getObjectById(id);
            // Clears all relations
            mod.clearRoot();
            tx.commit();
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
        clean(Module.class);
        clean(ComplexAssembly.class);
    }
}

Example 8 with Extent

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

the class AttachDetachReplicateTest method testReplicateRelation_1to1_circular.

/**
 * This test creates a circular object-chain with unidirectional 1-1-relation (A.B.C.A,
 * where second A is the same as first A). After persisting it into datastore1,
 * it detaches A with FetchPlan.ALL and persists it into datastore2 using makePersistent.
 */
public void testReplicateRelation_1to1_circular() {
    PersistenceManagerFactory pmf2 = getPersistenceManagerFactory2();
    try {
        Transaction tx1 = null;
        Transaction tx2 = null;
        // Persist the object A with two 1-1-relations (A-B-C) into the first datastore.
        PersistenceManager pm1 = pmf.getPersistenceManager();
        try {
            tx1 = pm1.currentTransaction();
            tx1.begin();
            A a = new A("a");
            B b = new B("b");
            C c = new C("c");
            a.setB(b);
            b.setC(c);
            pm1.makePersistent(a);
            a.getB().getC().setA(a);
            tx1.commit();
        } finally {
            if (tx1 != null && tx1.isActive()) {
                tx1.rollback();
            }
            pm1.close();
        }
        // Detach A with FetchPlan.ALL from datastore 1.
        A detachedA = null;
        pm1 = pmf.getPersistenceManager();
        try {
            tx1 = pm1.currentTransaction();
            tx1.begin();
            try {
                pm1.getFetchPlan().setGroup(FetchPlan.ALL);
                pm1.getFetchPlan().setMaxFetchDepth(2);
                // So we have fetch-depth allowing the detach of all objects
                pm1.getFetchPlan().addGroup("includingB");
                A a = (A) pm1.getExtent(A.class).iterator().next();
                detachedA = (A) pm1.detachCopy(a);
            } catch (Exception x) {
                LOG.error("Loading instance of A from datastore 1 or detaching it with FetchPlan.ALL failed!", x);
                fail("Loading instance of A from datastore 1 or detaching it with FetchPlan.ALL failed: " + x.getMessage());
            }
            tx1.commit();
        } finally {
            if (tx1 != null && tx1.isActive()) {
                tx1.rollback();
            }
            pm1.close();
        }
        // check, whether A.b and A.b.c exist and are correct in detachedA
        try {
            if (!"a".equals(detachedA.getName()))
                fail("detachedA.name was corrupted somewhere after creation; either during makePersistent or detachCopy! Should be \"a\", but is \"" + detachedA.getName() + "\"!");
            if (!"b".equals(detachedA.getB().getName()))
                fail("detachedA.b.name was corrupted somewhere after creation; either during makePersistent or detachCopy! Should be \"b\", but is \"" + detachedA.getB().getName() + "\"!");
            if (!"c".equals(detachedA.getB().getC().getName()))
                fail("detachedA.b.c.name was corrupted somewhere after creation; either during makePersistent or detachCopy! Should be \"c\", but is \"" + detachedA.getB().getC().getName() + "\"!");
        } catch (Exception x) {
            LOG.error("Accessing object graph detached from datastore1 failed!", x);
            fail("Accessing object graph detached from datastore1 failed: " + x.getMessage());
        }
        // Store detachedA into datastore 2 using makePersistent (the object does NOT yet exist there and should be created)
        PersistenceManager pm2 = pmf2.getPersistenceManager();
        try {
            tx2 = pm2.currentTransaction();
            tx2.begin();
            try {
                pm2.makePersistent(detachedA);
            } catch (Exception x) {
                LOG.error("makePersistent with object detached from datastore1 failed on datastore2!", x);
                fail("makePersistent with object detached from datastore1 failed on datastore2: " + x.getMessage());
            }
            tx2.commit();
        } finally {
            if (tx2 != null && tx2.isActive()) {
                tx2.rollback();
            }
            pm2.close();
        }
        // check, whether A.b and A.b.c exist and have been stored correctly into datastore2.
        pm2 = pmf2.getPersistenceManager();
        try {
            tx2 = pm2.currentTransaction();
            tx2.begin();
            try {
                A a = (A) pm2.getExtent(A.class).iterator().next();
                if (!"a".equals(a.getName()))
                    fail("a.name was corrupted during makePersistent on datastore2! Should be \"a\", but is \"" + a.getName() + "\"!");
                if (!"b".equals(a.getB().getName()))
                    fail("a.b.name was corrupted during makePersistent on datastore2! Should be \"b\", but is \"" + a.getB().getName() + "\"!");
                if (!"c".equals(a.getB().getC().getName()))
                    fail("a.b.c.name was corrupted during makePersistent on datastore2! Should be \"c\", but is \"" + a.getB().getC().getName() + "\"!");
            } catch (Exception x) {
                LOG.error("Accessing datastore2 failed!", x);
                fail("Accessing datastore2 failed: " + x.getMessage());
            }
            tx2.commit();
        } finally {
            if (tx2 != null && tx2.isActive()) {
                tx2.rollback();
            }
            pm2.close();
        }
    } finally {
        // Clean out our data
        PersistenceManagerFactory[] pmfs = new PersistenceManagerFactory[] { pmf, pmf2 };
        for (int i = 0; i < pmfs.length; ++i) {
            PersistenceManagerFactory pmf = pmfs[i];
            PersistenceManager pm = pmf.getPersistenceManager();
            Transaction tx = pm.currentTransaction();
            tx.begin();
            Extent ext = pm.getExtent(A.class, false);
            Iterator it = ext.iterator();
            while (it.hasNext()) {
                A a = (A) it.next();
                a.setB(null);
            }
            tx.commit();
            tx.begin();
            ext = pm.getExtent(B.class, false);
            it = ext.iterator();
            while (it.hasNext()) {
                B b = (B) it.next();
                b.setC(null);
            }
            tx.commit();
            tx.begin();
            ext = pm.getExtent(C.class, false);
            it = ext.iterator();
            while (it.hasNext()) {
                C c = (C) it.next();
                c.setA(null);
            }
            tx.commit();
            pm.close();
            clean(pmf, A.class);
            clean(pmf, B.class);
            clean(pmf, C.class);
        }
    }
}

Example 9 with Extent

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

the class AttachDetachReplicateTest method testReplicateSimple2.

/**
 * Another test of replication, with no relations. Just the object
 */
public void testReplicateSimple2() {
    PersistenceManagerFactory pmf2 = getPersistenceManagerFactory2();
    try {
        PersistenceManager pm1 = pmf.getPersistenceManager();
        JFireOrganisation organisation = null;
        JFireOrganisationID organisationID = JFireOrganisationID.create("datanucleus.jfire.org");
        // Persist in first DB
        Transaction tx = null;
        try {
            tx = pm1.currentTransaction();
            tx.begin();
            JFireOrganisation org1 = new JFireOrganisation(organisationID.organisationID);
            org1 = pm1.makePersistent(org1);
            // Detach it for copying
            organisation = pm1.detachCopy(org1);
            tx.commit();
        } catch (JDOException ue) {
            LOG.error("Exception thrown persisting/detaching object", ue);
            fail("Exception thrown while creating object in first datastore : " + ue.getMessage());
        } finally {
            if (tx != null && tx.isActive()) {
                tx.rollback();
            }
            pm1.close();
        }
        // Check the detached object
        if (!JDOHelper.isDetached(organisation)) {
            fail("Organisation has not been detached!");
        }
        // Copy to other DB
        PersistenceManager pm2 = pmf2.getPersistenceManager();
        tx = pm2.currentTransaction();
        try {
            tx.begin();
            pm2.makePersistent(organisation);
            tx.commit();
        } catch (JDOException ue) {
            LOG.error("Exception thrown replicating object", ue);
            fail("Exception thrown while copying object into second datastore : " + ue.getMessage());
        } finally {
            if (tx != null && tx.isActive()) {
                tx.rollback();
            }
        }
        // Check the persistence in the second datastore
        try {
            tx = pm2.currentTransaction();
            tx.begin();
            // Use Extent since PM may have just put object in cache.
            Extent e = pm2.getExtent(JFireOrganisation.class);
            Iterator iter = e.iterator();
            boolean copied = false;
            while (iter.hasNext()) {
                JFireOrganisation o = (JFireOrganisation) iter.next();
                if (pm2.getObjectId(o).equals(organisationID)) {
                    copied = true;
                    break;
                }
            }
            assertTrue("Organisation was not copied to second datastore!", copied);
            tx.commit();
        } catch (JDOException ue) {
            LOG.error("Exception thrown checking results", ue);
            fail("Exception thrown while querying object in second datastore : " + ue.getMessage());
        } finally {
            if (tx != null && tx.isActive()) {
                tx.rollback();
            }
            pm2.close();
        }
    } finally {
        PersistenceManagerFactory[] pmfs = new PersistenceManagerFactory[] { pmf, pmf2 };
        for (int i = 0; i < pmfs.length; ++i) {
            clean(pmf, JFireOrganisation.class);
        }
    }
}

Example 10 with Extent

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

the class AttachDetachReplicateTest method testMoveAcrossDatastores_company.

/**
 * This is a complex testcase using the classes from org.jpox.samples.models.company.
 * It stores a Manager into datastore 1. This Manager has a mapped-by-Set of
 * his employees and a join-Set of his departments. Hence, this test checks for
 * the behaviour of Sets when copied from one
 */
public void testMoveAcrossDatastores_company() {
    PersistenceManagerFactory pmf2 = getPersistenceManagerFactory2();
    try {
        Transaction tx1 = null;
        Transaction tx2 = null;
        // Create a Manager with two Departments and two Employees and persist it
        // into datastore 1.
        PersistenceManager pm1 = pmf.getPersistenceManager();
        Object managerId = null;
        try {
            tx1 = pm1.currentTransaction();
            tx1.begin();
            Manager ds1_manager = new Manager(1L, "Lucifer", "Satan", "Lucifer.Satan@microsoft.hell", 33666.99f, "jsdkhf8z23");
            Employee ds1_employee1 = new Employee(9593L, "McCreevy", "Charlie", "Charlie.McCreevy@microsoft.hell", 9948.57f, "8967bjjhg", new Integer(94));
            Employee ds1_employee2 = new Employee(8723L, "Gates", "Bill", "Bill.Gates@microsoft.hell", 11835.17f, "3894lknsd", new Integer(42));
            Department ds1_department1 = new Department("Brainwashing");
            ds1_department1.setManager(ds1_manager);
            ds1_manager.addDepartment(ds1_department1);
            // TODO Change this to be an inherited type to show up an error
            Department ds1_department2 = new Department("Torture");
            ds1_department2.setManager(ds1_manager);
            ds1_manager.addDepartment(ds1_department2);
            ds1_employee1.setManager(ds1_manager);
            ds1_manager.addSubordinate(ds1_employee1);
            ds1_employee2.setManager(ds1_manager);
            ds1_manager.addSubordinate(ds1_employee2);
            try {
                pm1.makePersistent(ds1_manager);
            } catch (Exception x) {
                LOG.error("Persisting Manager with Departments and Employees into datastore1 failed!", x);
                fail("Persisting Manager with Departments and Employees into datastore1 failed: " + x.getMessage());
            }
            tx1.commit();
            managerId = JDOHelper.getObjectId(ds1_manager);
        } finally {
            if (tx1 != null && tx1.isActive()) {
                tx1.rollback();
            }
            pm1.close();
        }
        // Detach the Manager (with FetchPlan.ALL) from datastore 1.
        Manager detached_manager = null;
        pm1 = pmf.getPersistenceManager();
        try {
            tx1 = pm1.currentTransaction();
            tx1.begin();
            pm1.getFetchPlan().setGroup(FetchPlan.ALL);
            pm1.getFetchPlan().setMaxFetchDepth(-1);
            try {
                Manager ds1_manager = (Manager) pm1.getObjectById(managerId);
                detached_manager = (Manager) pm1.detachCopy(ds1_manager);
            } catch (Exception x) {
                LOG.error("Loading and detaching Manager from datastore1 failed!", x);
                fail("Loading and detaching Manager from datastore1 failed: " + x.getMessage());
            }
            tx1.commit();
        } finally {
            if (tx1 != null && tx1.isActive()) {
                tx1.rollback();
            }
            pm1.close();
        }
        // check, whether the detached data equals the original data
        testMoveAcrossDatastores_company_check("makePersistent or detachCopy (with datastore1) has corrupted data: ", detached_manager, true);
        // put the detached manager into datastore2 using makePersistent
        PersistenceManager pm2 = pmf2.getPersistenceManager();
        try {
            tx2 = pm2.currentTransaction();
            tx2.begin();
            try {
                pm2.makePersistent(detached_manager);
            } catch (Exception x) {
                LOG.error("makePersistent failed on datastore2!", x);
                fail("makePersistent failed on datastore2: " + x.getMessage());
            }
            tx2.commit();
        } finally {
            if (tx2 != null && tx2.isActive()) {
                tx2.rollback();
            }
            pm2.close();
        }
        // load the manager from datastore2 and check whether data is still correct
        pm2 = pmf2.getPersistenceManager();
        try {
            tx2 = pm2.currentTransaction();
            tx2.begin();
            Manager ds2_manager = null;
            try {
                Extent ex = pm2.getExtent(Manager.class);
                Iterator exIter = ex.iterator();
                ds2_manager = (Manager) exIter.next();
                if (exIter.hasNext()) {
                    fail("Returned more than 1 Manager object in second datastore when should only have 1");
                }
            } catch (Exception e) {
                e.printStackTrace();
                LOG.error("Loading Manager from datastore2 failed!", e);
                fail("Loading Manager from datastore2 failed: " + e.getMessage());
            }
            testMoveAcrossDatastores_company_check("makePersistent on datastore2 has corrupted data: ", ds2_manager, false);
            tx2.commit();
        } finally {
            if (tx2 != null && tx2.isActive()) {
                tx2.rollback();
            }
            pm2.close();
        }
    } finally {
        // Clean out our data
        PersistenceManagerFactory[] pmfs = new PersistenceManagerFactory[] { pmf, pmf2 };
        for (int i = 0; i < pmfs.length; ++i) {
            PersistenceManagerFactory pmf = pmfs[i];
            PersistenceManager pm = pmf.getPersistenceManager();
            Transaction tx = pm.currentTransaction();
            tx.begin();
            for (Iterator it = pm.getExtent(Employee.class, false).iterator(); it.hasNext(); ) {
                Employee e = (Employee) it.next();
                e.setManager(null);
            }
            tx.commit();
            tx.begin();
            for (Iterator it = pm.getExtent(Department.class, false).iterator(); it.hasNext(); ) {
                Department d = (Department) it.next();
                d.setManager(null);
            }
            tx.commit();
            pm.close();
            clean(pmf, Manager.class);
            clean(pmf, Employee.class);
            clean(pmf, Department.class);
        }
    }
}