2 * Copyright (c) 2021 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.eos.akka.owner.supervisor.command;
10 import static com.google.common.base.Verify.verify;
12 import com.google.common.collect.ImmutableMap;
13 import com.google.common.collect.ImmutableSetMultimap;
14 import com.google.common.collect.ImmutableSetMultimap.Builder;
15 import com.google.common.collect.Iterables;
16 import java.io.Serializable;
17 import java.util.HashSet;
19 import java.util.Map.Entry;
21 import java.util.stream.Collectors;
22 import org.eclipse.jdt.annotation.NonNull;
23 import org.opendaylight.mdsal.binding.dom.codec.api.BindingInstanceIdentifierCodec;
24 import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.EntityName;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.EntityType;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.GetEntitiesOutput;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.GetEntitiesOutputBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.NodeName;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.get.entities.output.EntitiesBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.mdsal.core.general.entity.rev150930.Entity;
32 import org.opendaylight.yangtools.yang.binding.util.BindingMap;
33 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
34 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
36 public final class GetEntitiesReply extends OwnerSupervisorReply implements Serializable {
37 private static final long serialVersionUID = 1L;
39 private final ImmutableSetMultimap<DOMEntity, String> candidates;
40 private final ImmutableMap<DOMEntity, String> owners;
42 public GetEntitiesReply(final Map<DOMEntity, String> owners, final Map<DOMEntity, Set<String>> candidates) {
43 final Builder<DOMEntity, String> builder = ImmutableSetMultimap.builder();
44 for (Entry<DOMEntity, Set<String>> entry : candidates.entrySet()) {
45 builder.putAll(entry.getKey(), entry.getValue());
47 this.candidates = builder.build();
48 this.owners = ImmutableMap.copyOf(owners);
51 public @NonNull GetEntitiesOutput toOutput(final BindingInstanceIdentifierCodec iidCodec) {
52 final Set<DOMEntity> entities = new HashSet<>();
53 entities.addAll(owners.keySet());
54 entities.addAll(candidates.keySet());
56 return new GetEntitiesOutputBuilder()
57 .setEntities(entities.stream()
59 final EntitiesBuilder eb = new EntitiesBuilder()
60 .setType(new EntityType(entity.getType()))
61 .setName(extractName(entity, iidCodec))
62 .setCandidateNodes(candidates.get(entity).stream()
63 .map(NodeName::new).collect(Collectors.toUnmodifiableList()));
65 final String owner = owners.get(entity);
67 eb.setOwnerNode(new NodeName(owner));
71 .collect(BindingMap.toMap()))
76 * if the entity is general entity then shorthand the name to only the last path argument, otherwise return
77 * full YIID path encoded as string.
79 * @param entity Entity to extract the name from
80 * @param iidCodec codec to encode entity name back to InstanceIdentifier if needed
81 * @return Extracted name
83 private static EntityName extractName(final DOMEntity entity, final BindingInstanceIdentifierCodec iidCodec) {
84 final var id = entity.getIdentifier();
85 if (id.isEmpty() || !id.getPathArguments().get(0).getNodeType().equals(Entity.QNAME)) {
86 return new EntityName(iidCodec.toBinding(id));
89 final PathArgument last = id.getLastPathArgument();
90 verify(last instanceof NodeIdentifierWithPredicates, "Unexpected last argument %s", last);
91 final Object value = Iterables.getOnlyElement(((NodeIdentifierWithPredicates) last).values());
92 verify(value instanceof String, "Unexpected predicate value %s", value);
93 return new EntityName((String) value);