Examples with ReadTransaction org.opendaylight.mdsal.binding.api.ReadTransaction used on opensource projects

Example 11 with ReadTransaction

use of org.opendaylight.mdsal.binding.api.ReadTransaction in project netvirt by opendaylight.

the class ElanGroupCache method getGroup.

public Optional<Group> getGroup(InstanceIdentifier<Group> key) throws InterruptedException, ExecutionException {
    if (groupsById.containsKey(key)) {
        return Optional.of(groupsById.get(key));
    }
    ReadTransaction transaction = dataBroker.newReadOnlyTransaction();
    Optional<Group> optional = transaction.read(LogicalDatastoreType.CONFIGURATION, key).get();
    transaction.close();
    return optional;
}