Package org.apache.cayenne

Examples of org.apache.cayenne.Persistent

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        boolean incorrectObjectType(Object object) {
            if (!(object instanceof Persistent)) {
                return true;
            }

            Persistent persistent = (Persistent) object;
            if (persistent.getObjectContext() != context) {
                return true;
            }

            return false;
        }
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                Iterator it = addedToUnresolved.iterator();
                while (it.hasNext()) {
                    Object next = it.next();

                    if (next instanceof Persistent) {
                        Persistent dataObject = (Persistent) next;
                        if (dataObject.getPersistenceState() == PersistenceState.TRANSIENT) {
                            continue;
                        }
                    }

                    if (!fetchedList.contains(next)) {
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                        // transferred between contexts....

                        List childObjects = new ArrayList(objects.size());
                        Iterator it = objects.iterator();
                        while (it.hasNext()) {
                            Persistent object = (Persistent) it.next();
                            childObjects.add(targetContext.localObject(object
                                    .getObjectId(), object));
                        }

                        childResponse.addResultList(childObjects);
                    }
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                            // subclass descriptors will be resolved on the fly... here
                            // find objects base descriptor.
                            ListIterator it = objects.listIterator();
                            while (it.hasNext()) {
                                Persistent object = (Persistent) it.next();
                                ObjectId id = object.getObjectId();

                                // sanity check
                                if (id == null) {
                                    throw new CayenneRuntimeException(
                                            "Server returned an object without an id: "
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            final PrefetchTreeNode prefetchTree) {
        if (!(object instanceof Persistent)) {
            throw new CayenneRuntimeException("Expected Persistent, got: " + object);
        }

        final Persistent source = (Persistent) object;
        ObjectId id = source.getObjectId();

        // sanity check
        if (id == null) {
            throw new CayenneRuntimeException("Server returned an object without an id: "
                    + source);
        }

        Object seenTarget = seen.get(id);
        if (seenTarget != null) {
            return seenTarget;
        }

        descriptor = descriptor.getSubclassDescriptor(source.getClass());

        // presumably id's entity name should be of the right subclass.
        final ClassDescriptor targetDescriptor = targetResolver.getClassDescriptor(id
                .getEntityName());

        final Persistent target = (Persistent) targetDescriptor.createObject();
        target.setObjectId(id);
        seen.put(id, target);

        descriptor.visitProperties(new PropertyVisitor() {

            public boolean visitToOne(ToOneProperty property) {
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        if (anId == null) {
            return null;
        }

        // this will create a HOLLOW object if it is not registered yet
        Persistent object = context.localObject(anId, null);

        // deal with object state
        int state = object.getPersistenceState();
        switch (state) {
            case PersistenceState.COMMITTED:
            case PersistenceState.MODIFIED:
            case PersistenceState.DELETED:
                // process the above only if refresh is requested...
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        boolean replacesObject(Object object, Object objectInTheList) {
            if (objectInTheList instanceof Persistent) {
                return false;
            }

            Persistent dataObject = (Persistent) object;
            return dataObject.getObjectId().getIdSnapshot().equals(objectInTheList);
        }
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        // guess target collection size
        Collection<Object> objects = new ArrayList<Object>(len > 100 ? len / 2 : len);

        Iterator it = getObjectStore().getObjectIterator();
        while (it.hasNext()) {
            Persistent object = (Persistent) it.next();
            int state = object.getPersistenceState();
            if (state == PersistenceState.MODIFIED
                    || state == PersistenceState.NEW
                    || state == PersistenceState.DELETED) {

                objects.add(object);
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                    return true;
                }

                // target is resolved and we have an FK->PK to it,
                // so extract it from target...
                Persistent target = (Persistent) targetObject;
                Map<String, Object> idParts = target.getObjectId().getIdSnapshot();

                // this may happen in uncommitted objects - see the warning in the JavaDoc
                // of
                // this method.
                if (idParts.isEmpty()) {
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        ClassDescriptor descriptor = getEntityResolver().getClassDescriptor(entityName);
        if (descriptor == null) {
            throw new IllegalArgumentException("Invalid entity name: " + entityName);
        }

        Persistent object;
        try {
            object = (Persistent) descriptor.createObject();
        }
        catch (Exception ex) {
            throw new CayenneRuntimeException("Error instantiating object.", ex);
        }

        // this will initialize to-many lists
        descriptor.injectValueHolders(object);

        ObjectId id = new ObjectId(entityName);

        // note that the order of initialization of persistence artifacts below is
        // important - do not change it lightly
        object.setObjectId(id);

        injectInitialValue(object);

        return object;
    }
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Related Classes of org.apache.cayenne.Persistent

  • org.apache.cayenne.access.ChildDiffLoader
  • org.apache.cayenne.access.ClientServerChannelQueryAction
  • org.apache.cayenne.access.DataContext
  • org.apache.cayenne.access.DataContextDeleteAction
  • org.apache.cayenne.access.DataContextExtrasTest
  • org.apache.cayenne.access.DataContextFlushEventHandler
  • org.apache.cayenne.access.DataContextMergeHandler
  • org.apache.cayenne.access.DataContextObjectTrackingTest
  • org.apache.cayenne.access.DataContextQueryAction
  • org.apache.cayenne.access.DataDomainDeleteBucket
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