Examples with IgpNodeAttributes org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.IgpNodeAttributes used on opensource projects

Example 6 with IgpNodeAttributes

use of org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.IgpNodeAttributes in project bgpcep by opendaylight.

the class AbstractReachabilityTopologyBuilder method createObject.

@Override
protected final void createObject(final ReadWriteTransaction trans, final InstanceIdentifier<T> id, final T value) {
    final NodeId ni = advertizingNode(getAttributes(value));
    if (ni == null) {
        return;
    }
    final InstanceIdentifier<IgpNodeAttributes> nii = ensureNodePresent(trans, ni);
    final IpPrefix prefix = getPrefix(value);
    final PrefixKey pk = new PrefixKey(prefix);
    trans.put(LogicalDatastoreType.OPERATIONAL, nii.child(Prefix.class, pk), new PrefixBuilder().setKey(pk).setPrefix(prefix).build());
}

Example 7 with IgpNodeAttributes

use of org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.IgpNodeAttributes in project bgpcep by opendaylight.

the class AbstractReachabilityTopologyBuilder method removeObject.

@Override
protected final void removeObject(final ReadWriteTransaction trans, final InstanceIdentifier<T> id, final T value) {
    if (value == null) {
        LOG.error("Empty before-data received in delete data change notification for instance id {}", id);
        return;
    }
    final NodeId ni = advertizingNode(getAttributes(value));
    if (ni == null) {
        return;
    }
    final NodeUsage present = this.nodes.get(ni);
    Preconditions.checkState(present != null, "Removing prefix from non-existent node %s", present);
    final PrefixKey pk = new PrefixKey(getPrefix(value));
    trans.delete(LogicalDatastoreType.OPERATIONAL, present.attrId.child(Prefix.class, pk));
    /*
         * This is optimization magic: we are reading a list and we want to remove it once it
         * hits zero. We may be in a transaction, so the read is costly, especially since we
         * have just modified the list.
         *
         * Once we have performed the read, though, we can check the number of nodes, and reuse
         * it for that number of removals. Note that since we do not track data and thus have
         * no understanding about the difference between replace and add, we do not ever increase
         * the life of this in createObject().
         */
    present.useCount--;
    if (present.useCount == 0) {
        final IgpNodeAttributes attrs = read(trans, present.attrId);
        if (attrs != null) {
            present.useCount = attrs.getPrefix().size();
            if (present.useCount == 0) {
                trans.delete(LogicalDatastoreType.OPERATIONAL, nodeInstanceId(ni));
                this.nodes.remove(ni);
            }
        }
    }
}