--- /dev/null
+/*
+ * Copyright (c) 2021 PANTHEON.tech, s.r.o. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.eos.akka.owner.supervisor.command;
+
+import static com.google.common.base.Verify.verify;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSetMultimap;
+import com.google.common.collect.ImmutableSetMultimap.Builder;
+import com.google.common.collect.Iterables;
+import java.io.Serializable;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.stream.Collectors;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.EntityName;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.EntityType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.GetEntitiesOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.GetEntitiesOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.NodeName;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.entity.owners.norev.get.entities.output.EntitiesBuilder;
+import org.opendaylight.yangtools.yang.binding.util.BindingMap;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+
+public final class GetEntitiesReply extends OwnerSupervisorReply implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ private final ImmutableSetMultimap<DOMEntity, String> candidates;
+ private final ImmutableMap<DOMEntity, String> owners;
+
+ public GetEntitiesReply(final Map<DOMEntity, String> owners, final Map<DOMEntity, Set<String>> candidates) {
+ final Builder<DOMEntity, String> builder = ImmutableSetMultimap.builder();
+ for (Entry<DOMEntity, Set<String>> entry : candidates.entrySet()) {
+ builder.putAll(entry.getKey(), entry.getValue());
+ }
+ this.candidates = builder.build();
+ this.owners = ImmutableMap.copyOf(owners);
+ }
+
+ public @NonNull GetEntitiesOutput toOutput() {
+ final Set<DOMEntity> entities = new HashSet<>();
+ entities.addAll(owners.keySet());
+ entities.addAll(candidates.keySet());
+
+ return new GetEntitiesOutputBuilder()
+ .setEntities(entities.stream()
+ .map(entity -> {
+ final EntitiesBuilder eb = new EntitiesBuilder()
+ .setType(new EntityType(entity.getType()))
+ .setName(extractName(entity))
+ .setCandidateNodes(candidates.get(entity).stream()
+ .map(NodeName::new).collect(Collectors.toUnmodifiableList()));
+
+ final String owner = owners.get(entity);
+ if (owner != null) {
+ eb.setOwnerNode(new NodeName(owner));
+ }
+ return eb.build();
+ })
+ .collect(BindingMap.toMap()))
+ .build();
+ }
+
+ private static EntityName extractName(final DOMEntity entity) {
+ final PathArgument last = entity.getIdentifier().getLastPathArgument();
+ verify(last instanceof NodeIdentifierWithPredicates, "Unexpected last argument %s", last);
+ final Object value = Iterables.getOnlyElement(((NodeIdentifierWithPredicates) last).values());
+ verify(value instanceof String, "Unexpected predicate value %s", value);
+ return new EntityName((String) value);
+ }
+}