Examples with DataTreeCandidate org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate used on opensource projects

Example 41 with DataTreeCandidate

use of org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate in project bgpcep by opendaylight.

the class ApplicationPeer method onDataTreeChanged.

/**
 * Routes come from application RIB that is identified by (configurable) name.
 * Each route is pushed into AdjRibsInWriter with it's whole context. In this
 * method, it doesn't matter if the routes are removed or added, this will
 * be determined in LocRib.
 */
@Override
public synchronized void onDataTreeChanged(final Collection<DataTreeCandidate> changes) {
    if (this.chain == null) {
        LOG.trace("Skipping data changed called to Application Peer. Change : {}", changes);
        return;
    }
    final DOMDataWriteTransaction tx = this.chain.newWriteOnlyTransaction();
    LOG.debug("Received data change to ApplicationRib {}", changes);
    for (final DataTreeCandidate tc : changes) {
        LOG.debug("Modification Type {}", tc.getRootNode().getModificationType());
        final YangInstanceIdentifier path = tc.getRootPath();
        final PathArgument lastArg = path.getLastPathArgument();
        Verify.verify(lastArg instanceof NodeIdentifierWithPredicates, "Unexpected type %s in path %s", lastArg.getClass(), path);
        final NodeIdentifierWithPredicates tableKey = (NodeIdentifierWithPredicates) lastArg;
        if (!this.supportedTables.contains(tableKey)) {
            LOG.trace("Skipping received data change for non supported family {}.", tableKey);
            continue;
        }
        for (final DataTreeCandidateNode child : tc.getRootNode().getChildNodes()) {
            final PathArgument childIdentifier = child.getIdentifier();
            final YangInstanceIdentifier tableId = this.adjRibsInId.node(tableKey).node(childIdentifier);
            switch(child.getModificationType()) {
                case DELETE:
                    LOG.trace("App peer -> AdjRibsIn path delete: {}", childIdentifier);
                    tx.delete(LogicalDatastoreType.OPERATIONAL, tableId);
                    break;
                case UNMODIFIED:
                    // No-op
                    break;
                case SUBTREE_MODIFIED:
                    if (EffectiveRibInWriter.TABLE_ROUTES.equals(childIdentifier)) {
                        processRoutesTable(child, tableId, tx, tableId);
                        break;
                    }
                case WRITE:
                    if (child.getDataAfter().isPresent()) {
                        final NormalizedNode<?, ?> dataAfter = child.getDataAfter().get();
                        LOG.trace("App peer -> AdjRibsIn path : {}", tableId);
                        LOG.trace("App peer -> AdjRibsIn data : {}", dataAfter);
                        tx.put(LogicalDatastoreType.OPERATIONAL, tableId, dataAfter);
                    }
                    break;
                default:
                    break;
            }
        }
    }
    tx.submit();
}