Examples with TransactionContext org.onosproject.store.service.TransactionContext used on opensource projects

Example 6 with TransactionContext

use of org.onosproject.store.service.TransactionContext 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;
        }
    }
}

Example 7 with TransactionContext

use of org.onosproject.store.service.TransactionContext in project onos by opennetworkinglab.

the class TransactionalMapTestGetCommand method doExecute.

@Override
protected void doExecute() {
    StorageService storageService = get(StorageService.class);
    TransactionContext context;
    context = storageService.transactionContextBuilder().build();
    context.begin();
    try {
        map = context.getTransactionalMap(mapName, serializer);
        String response = map.get(key);
        context.commit();
        if (response == null) {
            print("Key %s not found.", key);
        } else {
            print("Key-value pair (%s, %s) found.", key, response);
        }
    } catch (Exception e) {
        context.abort();
        throw e;
    }
}

Example 8 with TransactionContext

use of org.onosproject.store.service.TransactionContext in project onos by opennetworkinglab.

the class TransactionalMapTestPutCommand method doExecute.

@Override
protected void doExecute() {
    StorageService storageService = get(StorageService.class);
    TransactionContext context;
    context = storageService.transactionContextBuilder().build();
    context.begin();
    try {
        map = context.getTransactionalMap(mapName, serializer);
        for (int i = 1; i <= numKeys; i++) {
            String key = prefix + i;
            String response = map.put(key, value);
            if (response == null) {
                print("Created Key %s with value %s.", key, value);
            } else {
                print("Put %s into key %s. The old value was %s.", value, key, response);
            }
        }
        context.commit();
    } catch (Exception e) {
        context.abort();
        throw e;
    }
}