Examples of javax.jdo.PersistenceManager.newObjectIdInstance()

javax.jdo.PersistenceManager.newObjectIdInstance()
This method returns an object id instance corresponding to the pcClass and key arguments. @param pcClass the Class of the persistence-capable instance @param key for single-field identity, the parameter for theconstructor; for non-single-field application identity, the result of toString() on the object id instance. @return an instance of the object identity class

    q0 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q0"), false);
    q1 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q1"), false);
    a0 = (Azerty) pm.getObjectById(
        pm.newObjectIdInstance(Azerty.class, "a0"), false);
    a0.qsds.add(q0);
    a0.qsds.add(q1);
    pm.currentTransaction().commit();
    pm.close();

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      if (withEvictAll) {
          pm.evictAll();
      }
      pm.currentTransaction().begin();
      user = (User) pm.getObjectById(
              pm.newObjectIdInstance(User.class, un), false);
      pm.deletePersistent(user);
      pm.currentTransaction().commit();
      
      pm.currentTransaction().begin();
      group = (Group) pm.getObjectById(

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      pm.deletePersistent(user);
      pm.currentTransaction().commit();
      
      pm.currentTransaction().begin();
      group = (Group) pm.getObjectById(
              pm.newObjectIdInstance(Group.class, gn), false);
      ArrayList al = new ArrayList();
      for(Iterator it = group.getUsers().iterator(); it.hasNext();) {
          user = (User) it.next();
          al.add(user.getName());
      }

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  }


    public void test1() {
        PersistenceManager pm = pmf.getPersistenceManager();
    pm.currentTransaction().begin();
        Object oid = pm.newObjectIdInstance(AMMB.class, "1230");
        Assert.assertNotNull("null oid !", oid);
        AMMB a = (AMMB) pm.getObjectById(oid, false);
        Assert.assertNotNull("null AMMB object", a);
        Collection bs = a.getBs();
        Assert.assertNotNull("null collection of BMMB", bs);

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    pm.close();


    pm = pmf.getPersistenceManager();
    pm.currentTransaction().begin();
    q0 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q0"), false);
    q1 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q1"), false);
    a0 = (Azerty) pm.getObjectById(
        pm.newObjectIdInstance(Azerty.class, "a0"), false);
    a0.qsds.remove(q0);

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    pm = pmf.getPersistenceManager();
    pm.currentTransaction().begin();
    q0 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q0"), false);
    q1 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q1"), false);
    a0 = (Azerty) pm.getObjectById(
        pm.newObjectIdInstance(Azerty.class, "a0"), false);
    a0.qsds.remove(q0);
    a0.qsds.remove(q1);
    pm.currentTransaction().commit();

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    q0 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q0"), false);
    q1 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q1"), false);
    a0 = (Azerty) pm.getObjectById(
        pm.newObjectIdInstance(Azerty.class, "a0"), false);
    a0.qsds.remove(q0);
    a0.qsds.remove(q1);
    pm.currentTransaction().commit();
    pm.close();

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    pm.close();


    pm = pmf.getPersistenceManager();
    pm.currentTransaction().begin();
    q0 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q0"), false);
    q1 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q1"), false);
    a0 = (Azerty) pm.getObjectById(
        pm.newObjectIdInstance(Azerty.class, "a0"), false);
    a0.qsds.add(q0);

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            String strid = id.toString();
            bb = null;
            pm.close();


            pm = pmf.getPersistenceManager();
            Object o = pm.newObjectIdInstance(BasicB.class,  strid);
            bb = (BasicB) pm.getObjectById(o, false);
            Assert.assertNotNull("returned object is null", bb);
            Assert.assertEquals("Bad field 'id1' value", id1, bb.getId1());
            Assert.assertEquals("Bad field 'di2' value", id2, bb.getId2());
            Assert.assertEquals("Bad field 'f1' value", f1, bb.readF1());

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    pm = pmf.getPersistenceManager();
    pm.currentTransaction().begin();
    q0 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q0"), false);
    q1 = (Qsdfgh) pm.getObjectById(
        pm.newObjectIdInstance(Qsdfgh.class, "q1"), false);
    a0 = (Azerty) pm.getObjectById(
        pm.newObjectIdInstance(Azerty.class, "a0"), false);
    a0.qsds.add(q0);
    a0.qsds.add(q1);
    pm.currentTransaction().commit();

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