Examples with ReadOnlyTransaction org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction used on opensource projects

Example 1 with ReadOnlyTransaction

use of org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction in project netvirt by opendaylight.

the class L2GwValidateCli method readNodes.

private void readNodes() throws ReadFailedException {
    try (ReadOnlyTransaction tx = dataBroker.newReadOnlyTransaction()) {
        InstanceIdentifier<Topology> topoId = HwvtepSouthboundUtils.createHwvtepTopologyInstanceIdentifier();
        Optional<Topology> operationalTopoOptional = tx.read(LogicalDatastoreType.OPERATIONAL, topoId).checkedGet();
        Optional<Topology> configTopoOptional = tx.read(LogicalDatastoreType.CONFIGURATION, topoId).checkedGet();
        if (operationalTopoOptional.isPresent()) {
            for (Node node : operationalTopoOptional.get().getNode()) {
                InstanceIdentifier<Node> nodeIid = topoId.child(Node.class, node.getKey());
                operationalNodes.put(nodeIid, node);
            }
        }
        if (configTopoOptional.isPresent()) {
            for (Node node : configTopoOptional.get().getNode()) {
                InstanceIdentifier<Node> nodeIid = topoId.child(Node.class, node.getKey());
                configNodes.put(nodeIid, node);
            }
        }
        fillNodesData(operationalNodes, operationalNodesData);
        fillNodesData(configNodes, configNodesData);
        Optional<ElanInstances> elanInstancesOptional = tx.read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.builder(ElanInstances.class).build()).checkedGet();
        if (elanInstancesOptional.isPresent() && elanInstancesOptional.get().getElanInstance() != null) {
            for (ElanInstance elanInstance : elanInstancesOptional.get().getElanInstance()) {
                elanInstanceMap.put(elanInstance.getElanInstanceName(), elanInstance);
            }
        }
        l2gatewayConnections = L2GatewayConnectionUtils.getAllL2gatewayConnections(dataBroker);
        l2gateways = L2GatewayConnectionUtils.getL2gatewayList(dataBroker);
        for (L2gateway l2gateway : l2gateways) {
            uuidToL2Gateway.put(l2gateway.getUuid(), l2gateway);
        }
    }
}

Example 2 with ReadOnlyTransaction

use of org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction in project netvirt by opendaylight.

the class EvpnMacVrfUtils method getElanNameByMacvrfiid.

public String getElanNameByMacvrfiid(InstanceIdentifier<MacVrfEntry> instanceIdentifier) {
    try (ReadOnlyTransaction tx = dataBroker.newReadOnlyTransaction()) {
        String rd = instanceIdentifier.firstKeyOf(VrfTables.class).getRouteDistinguisher();
        String elanName = null;
        InstanceIdentifier<EvpnRdToNetwork> iidEvpnRdToNet = InstanceIdentifier.builder(EvpnRdToNetworks.class).child(EvpnRdToNetwork.class, new EvpnRdToNetworkKey(rd)).build();
        try {
            Optional<EvpnRdToNetwork> evpnRdToNetwork = tx.read(LogicalDatastoreType.CONFIGURATION, iidEvpnRdToNet).checkedGet();
            if (evpnRdToNetwork.isPresent()) {
                elanName = evpnRdToNetwork.get().getNetworkId();
            }
        } catch (ReadFailedException e) {
            LOG.error("getElanName: unable to read elanName, exception ", e);
        }
        return elanName;
    }
}

Example 3 with ReadOnlyTransaction

use of org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction in project netvirt by opendaylight.

the class EvpnUtils method asyncReadAndExecute.

@SuppressWarnings({ "unchecked", "rawtypes" })
public <T extends DataObject> void asyncReadAndExecute(final LogicalDatastoreType datastoreType, final InstanceIdentifier<T> iid, final String jobKey, final Function<Optional<T>, Void> function) {
    jobCoordinator.enqueueJob(jobKey, () -> {
        SettableFuture<Optional<T>> settableFuture = SettableFuture.create();
        List futures = Collections.singletonList(settableFuture);
        try (ReadOnlyTransaction tx = broker.newReadOnlyTransaction()) {
            Futures.addCallback(tx.read(datastoreType, iid), new SettableFutureCallback<Optional<T>>(settableFuture) {

                @Override
                public void onSuccess(Optional<T> data) {
                    function.apply(data);
                    super.onSuccess(data);
                }
            }, MoreExecutors.directExecutor());
            return futures;
        }
    }, ElanConstants.JOB_MAX_RETRIES);
}

Example 4 with ReadOnlyTransaction

use of org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction in project netvirt by opendaylight.

the class TransactionUtil method read.

public static <T extends DataObject> Optional<T> read(DataBroker dataBroker, LogicalDatastoreType datastoreType, InstanceIdentifier<T> path) {
    ReadOnlyTransaction tx = dataBroker.newReadOnlyTransaction();
    Optional<T> result;
    try {
        result = tx.read(datastoreType, path).get();
    } catch (InterruptedException | ExecutionException e) {
        LOG.debug("read: Error while reading data from path {}", path);
        throw new RuntimeException(e);
    }
    return result;
}

Example 5 with ReadOnlyTransaction

use of org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction in project netvirt by opendaylight.

the class StatisticsImpl method cleanAllElementCounterRequests.

@Override
public Future<RpcResult<CleanAllElementCounterRequestsOutput>> cleanAllElementCounterRequests(CleanAllElementCounterRequestsInput input) {
    ReadOnlyTransaction tx = db.newReadOnlyTransaction();
    CheckedFuture<Optional<IngressElementCountersRequestConfig>, ReadFailedException> iecrc = tx.read(LogicalDatastoreType.CONFIGURATION, CountersServiceUtils.IECRC_IDENTIFIER);
    CheckedFuture<Optional<EgressElementCountersRequestConfig>, ReadFailedException> eecrc = tx.read(LogicalDatastoreType.CONFIGURATION, CountersServiceUtils.EECRC_IDENTIFIER);
    try {
        Optional<IngressElementCountersRequestConfig> iecrcOpt = iecrc.get();
        Optional<EgressElementCountersRequestConfig> eecrcOpt = eecrc.get();
        if (!iecrcOpt.isPresent() || !eecrcOpt.isPresent()) {
            LOG.warn("Couldn't read element counters config data from DB");
            StatisticsPluginImplCounters.failed_reading_counter_data_from_config.inc();
            return RpcResultBuilder.<CleanAllElementCounterRequestsOutput>failed().withError(ErrorType.APPLICATION, "Couldn't read element counters config data from DB").buildFuture();
        }
        Set<String> idsToRelease = new HashSet<>();
        if (input.getPortId() != null && !input.getPortId().isEmpty()) {
            idsToRelease.addAll(getAllPortRequestsUniqueIds(input.getPortId(), iecrcOpt.get().getCounterRequests()));
            idsToRelease.addAll(getAllPortRequestsUniqueIds(input.getPortId(), eecrcOpt.get().getCounterRequests()));
            removeAllElementCounterRequestsOnPort(input.getPortId(), iecrcOpt.get().getCounterRequests());
            removeAllElementCounterRequestsOnPort(input.getPortId(), eecrcOpt.get().getCounterRequests());
        } else {
            idsToRelease.addAll(getAllRquestsUniqueIds(iecrcOpt.get().getCounterRequests()));
            idsToRelease.addAll(getAllRquestsUniqueIds(eecrcOpt.get().getCounterRequests()));
            removeAllElementCounterRequests(iecrcOpt.get().getCounterRequests());
            removeAllElementCounterRequests(eecrcOpt.get().getCounterRequests());
        }
        releaseIds(idsToRelease);
    } catch (InterruptedException | ExecutionException e) {
        LOG.warn("failed to get counter request data from DB");
        return RpcResultBuilder.<CleanAllElementCounterRequestsOutput>failed().withError(ErrorType.APPLICATION, "failed to get counter request data from DB").buildFuture();
    }
    return RpcResultBuilder.<CleanAllElementCounterRequestsOutput>success().buildFuture();
}