Examples with RESOURCE_ADDED org.onosproject.net.resource.ResourceEvent.Type.RESOURCE_ADDED used on opensource projects

Example 1 with RESOURCE_ADDED

use of org.onosproject.net.resource.ResourceEvent.Type.RESOURCE_ADDED in project onos by opennetworkinglab.

the class ConsistentResourceStore method register.

@Override
public boolean register(List<? extends Resource> resources) {
    checkNotNull(resources);
    if (log.isTraceEnabled()) {
        resources.forEach(r -> log.trace("registering {}", r));
    }
    // Retry the transaction until successful.
    while (true) {
        TransactionContext tx = service.transactionContextBuilder().build();
        tx.begin();
        // the order is preserved by LinkedHashMap
        Map<DiscreteResource, List<Resource>> resourceMap = resources.stream().filter(x -> x.parent().isPresent()).collect(groupingBy(x -> x.parent().get(), LinkedHashMap::new, Collectors.<Resource>toList()));
        TransactionalDiscreteResourceSubStore discreteTxStore = discreteStore.transactional(tx);
        TransactionalContinuousResourceSubStore continuousTxStore = continuousStore.transactional(tx);
        for (Map.Entry<DiscreteResource, List<Resource>> entry : resourceMap.entrySet()) {
            DiscreteResourceId parentId = entry.getKey().id();
            if (!discreteTxStore.lookup(parentId).isPresent()) {
                return abortTransaction(tx);
            }
            if (!register(discreteTxStore, continuousTxStore, parentId, entry.getValue())) {
                return abortTransaction(tx);
            }
        }
        try {
            CommitStatus status = commitTransaction(tx);
            if (status == CommitStatus.SUCCESS) {
                log.trace("Transaction commit succeeded on registration: resources={}", resources);
                List<ResourceEvent> events = resources.stream().filter(x -> x.parent().isPresent()).map(x -> new ResourceEvent(RESOURCE_ADDED, x)).collect(Collectors.toList());
                notifyDelegate(events);
                return true;
            }
        } catch (InterruptedException | ExecutionException | TimeoutException e) {
            log.warn("Transaction commit failed on registration", e);
            return false;
        }
    }
}