private void batch(
final EntityTypeInvocationHandler handler,
final ODataEntity entity,
final ODataChangeset changeset) {
switch (EntityContainerFactory.getContext().entityContext().getStatus(handler)) {
case NEW:
batchCreate(handler, entity, changeset);
break;
case CHANGED:
batchUpdate(handler, entity, changeset);
break;
case DELETED:
batchDelete(handler, entity, changeset);
break;
default:
if (handler.isChanged()) {
batchUpdate(handler, entity, changeset);
}
}
}
private int processEntityContext(
final EntityTypeInvocationHandler handler,
int pos,
final TransactionItems items,
final List<EntityLinkDesc> delayedUpdates,
final ODataChangeset changeset) {
LOG.debug("Process '{}'", handler);
items.put(handler, null);
final ODataEntity entity = SerializationUtils.clone(handler.getEntity());
entity.getNavigationLinks().clear();
final AttachedEntityStatus currentStatus =
EntityContainerFactory.getContext().entityContext().getStatus(handler);
if (AttachedEntityStatus.DELETED != currentStatus) {
entity.getProperties().clear();
EngineUtils.addProperties(factory.getMetadata(), handler.getPropertyChanges(), entity);
}
for (Map.Entry<NavigationProperty, Object> property : handler.getLinkChanges().entrySet()) {
final ODataLinkType type =
Collection.class.isAssignableFrom(property.getValue().getClass())
? ODataLinkType.ENTITY_SET_NAVIGATION
: ODataLinkType.ENTITY_NAVIGATION;
final Set<EntityTypeInvocationHandler> toBeLinked =
new HashSet<EntityTypeInvocationHandler>();
final String serviceRoot = factory.getServiceRoot();
for (Object proxy :
type == ODataLinkType.ENTITY_SET_NAVIGATION
? (Collection) property.getValue()
: Collections.singleton(property.getValue())) {
final EntityTypeInvocationHandler target =
(EntityTypeInvocationHandler) Proxy.getInvocationHandler(proxy);
final AttachedEntityStatus status =
EntityContainerFactory.getContext().entityContext().getStatus(target);
final URI editLink = target.getEntity().getEditLink();
if ((status == AttachedEntityStatus.ATTACHED || status == AttachedEntityStatus.LINKED)
&& !target.isChanged()) {
entity.addLink(
buildNavigationLink(
property.getKey().name(),
URIUtils.getURI(serviceRoot, editLink.toASCIIString()),
type));
} else {
if (!items.contains(target)) {
pos = processEntityContext(target, pos, items, delayedUpdates, changeset);
pos++;
}
final Integer targetPos = items.get(target);
if (targetPos == null) {
// schedule update for the current object
LOG.debug("Schedule '{}' from '{}' to '{}'", type.name(), handler, target);
toBeLinked.add(target);
} else if (status == AttachedEntityStatus.CHANGED) {
entity.addLink(
buildNavigationLink(
property.getKey().name(),
URIUtils.getURI(serviceRoot, editLink.toASCIIString()),
type));
} else {
// create the link for the current object
LOG.debug("'{}' from '{}' to (${}) '{}'", type.name(), handler, targetPos, target);
entity.addLink(
buildNavigationLink(property.getKey().name(), URI.create("$" + targetPos), type));
}
}
}
if (!toBeLinked.isEmpty()) {
delayedUpdates.add(new EntityLinkDesc(property.getKey().name(), handler, toBeLinked, type));
}
}
// insert into the batch
LOG.debug("{}: Insert '{}' into the batch", pos, handler);
batch(handler, entity, changeset);
items.put(handler, pos);
int startingPos = pos;
if (handler.getEntity().isMediaEntity()) {
// update media properties
if (!handler.getPropertyChanges().isEmpty()) {
final URI targetURI =
currentStatus == AttachedEntityStatus.NEW
? URI.create("$" + startingPos)
: URIUtils.getURI(
factory.getServiceRoot(), handler.getEntity().getEditLink().toASCIIString());
batchUpdate(handler, targetURI, entity, changeset);
pos++;
items.put(handler, pos);
}
// update media content
if (handler.getStreamChanges() != null) {
final URI targetURI =
currentStatus == AttachedEntityStatus.NEW
? URI.create("$" + startingPos + "/$value")
: URIUtils.getURI(
factory.getServiceRoot(),
handler.getEntity().getEditLink().toASCIIString() + "/$value");
batchUpdateMediaEntity(handler, targetURI, handler.getStreamChanges(), changeset);
// update media info (use null key)
pos++;
items.put(null, pos);
}
}
for (Map.Entry<String, InputStream> streamedChanges :
handler.getStreamedPropertyChanges().entrySet()) {
final URI targetURI =
currentStatus == AttachedEntityStatus.NEW
? URI.create("$" + startingPos)
: URIUtils.getURI(
factory.getServiceRoot(),
EngineUtils.getEditMediaLink(streamedChanges.getKey(), entity).toASCIIString());
batchUpdateMediaResource(handler, targetURI, streamedChanges.getValue(), changeset);
// update media info (use null key)
pos++;
items.put(handler, pos);
}
return pos;
}
