private void processDelayedUpdates(
final List<EntityLinkDesc> delayedUpdates,
int pos,
final TransactionItems items,
final ODataChangeset changeset) {
for (EntityLinkDesc delayedUpdate : delayedUpdates) {
pos++;
items.put(delayedUpdate.getSource(), pos);
final ODataEntity changes =
ODataFactory.newEntity(delayedUpdate.getSource().getEntity().getName());
AttachedEntityStatus status =
EntityContainerFactory.getContext().entityContext().getStatus(delayedUpdate.getSource());
final URI sourceURI;
if (status == AttachedEntityStatus.CHANGED) {
sourceURI =
URIUtils.getURI(
factory.getServiceRoot(),
delayedUpdate.getSource().getEntity().getEditLink().toASCIIString());
} else {
int sourcePos = items.get(delayedUpdate.getSource());
sourceURI = URI.create("$" + sourcePos);
}
for (EntityTypeInvocationHandler target : delayedUpdate.getTargets()) {
status = EntityContainerFactory.getContext().entityContext().getStatus(target);
final URI targetURI;
if (status == AttachedEntityStatus.CHANGED) {
targetURI =
URIUtils.getURI(
factory.getServiceRoot(), target.getEntity().getEditLink().toASCIIString());
} else {
int targetPos = items.get(target);
targetURI = URI.create("$" + targetPos);
}
changes.addLink(
delayedUpdate.getType() == ODataLinkType.ENTITY_NAVIGATION
? ODataFactory.newEntityNavigationLink(delayedUpdate.getSourceName(), targetURI)
: ODataFactory.newFeedNavigationLink(delayedUpdate.getSourceName(), targetURI));
LOG.debug(
"'{}' from {} to {}",
new Object[] {delayedUpdate.getType().name(), sourceURI, targetURI});
}
batchUpdate(delayedUpdate.getSource(), sourceURI, changes, changeset);
}
}
private ODataLink buildNavigationLink(
final String name, final URI uri, final ODataLinkType type) {
switch (type) {
case ENTITY_NAVIGATION:
return ODataFactory.newEntityNavigationLink(name, uri);
case ENTITY_SET_NAVIGATION:
return ODataFactory.newFeedNavigationLink(name, uri);
default:
throw new IllegalArgumentException("Invalid link type " + type.name());
}
}