2 * Copyright (c) 2016 Cisco Systems, Inc. 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
9 package org.opendaylight.controller.cluster.sharding;
11 import akka.actor.Address;
12 import com.google.common.base.Preconditions;
13 import java.util.Collection;
14 import java.util.concurrent.ConcurrentHashMap;
15 import java.util.concurrent.ConcurrentMap;
16 import java.util.stream.Collectors;
17 import org.opendaylight.controller.cluster.access.concepts.MemberName;
20 * Resolver for remote {@link ShardedDataTreeActor}'s.
22 public class ShardingServiceAddressResolver {
24 private final ConcurrentMap<MemberName, Address> memberNameToAddress = new ConcurrentHashMap<>();
25 private final String shardingServiceActorIdentifier;
26 private final MemberName localMemberName;
28 public ShardingServiceAddressResolver(final String shardingServiceActorIdentifier,
29 final MemberName localMemberName) {
30 this.shardingServiceActorIdentifier = shardingServiceActorIdentifier;
31 this.localMemberName = localMemberName;
34 void addPeerAddress(final MemberName memberName, final Address address) {
35 memberNameToAddress.put(memberName, address);
38 void removePeerAddress(final MemberName memberName) {
39 memberNameToAddress.remove(memberName);
42 Address getPeerAddress(final MemberName memberName) {
43 return memberNameToAddress.get(memberName);
46 StringBuilder getActorPathBuilder(final Address address) {
47 return new StringBuilder().append(address.toString()).append("/user/").append(shardingServiceActorIdentifier);
50 Collection<String> getShardingServicePeerActorAddresses() {
51 final Collection<String> peerAddresses =
55 .filter(entry -> !localMemberName.equals(entry.getKey()))
56 .map(entry -> getActorPathBuilder(entry.getValue()).toString())
57 .collect(Collectors.toList());
62 public String resolve(final MemberName memberName) {
63 Preconditions.checkNotNull(memberName);
64 final Address address = memberNameToAddress.get(memberName);
65 Preconditions.checkNotNull(address, "Requested member[%s] is not present in the resolver ",
66 memberName.toString());
68 return getActorPathBuilder(address).toString();