2 * Copyright (c) 2015 Brocade Communications 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
8 package org.opendaylight.controller.cluster.datastore.shardmanager;
10 import akka.actor.Address;
11 import com.google.common.base.Preconditions;
12 import java.util.ArrayList;
13 import java.util.Collection;
15 import java.util.concurrent.ConcurrentHashMap;
16 import java.util.concurrent.ConcurrentMap;
17 import org.opendaylight.controller.cluster.access.concepts.MemberName;
18 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
19 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
20 import org.opendaylight.controller.cluster.raft.PeerAddressResolver;
23 * Implementation PeerAddressResolver that resolves address for shard peer ids. This class is owned by the
24 * ShardMaanager and passed to Shard actors via the ConfigParams.
26 * @author Thomas Pantelis
28 class ShardPeerAddressResolver implements PeerAddressResolver {
29 // Stores a mapping between a member name and the address of the member. The map is concurrent as it
30 // will be accessed by multiple threads via the public resolve method.
31 private final ConcurrentMap<MemberName, Address> memberNameToAddress = new ConcurrentHashMap<>();
32 private final String shardManagerIdentifier;
33 private final String shardManagerType;
34 private final MemberName localMemberName;
36 ShardPeerAddressResolver(String shardManagerType, MemberName localMemberName) {
37 this.shardManagerIdentifier = ShardManagerIdentifier.builder().type(shardManagerType).build().toString();
38 this.shardManagerType = shardManagerType;
39 this.localMemberName = Preconditions.checkNotNull(localMemberName);
42 void addPeerAddress(MemberName memberName, Address address) {
43 memberNameToAddress.put(memberName, address);
46 void removePeerAddress(MemberName memberName) {
47 memberNameToAddress.remove(memberName);
50 Address getPeerAddress(MemberName memberName) {
51 return memberNameToAddress.get(memberName);
54 Collection<String> getShardManagerPeerActorAddresses() {
55 Collection<String> peerAddresses = new ArrayList<>();
56 for (Map.Entry<MemberName, Address> entry: memberNameToAddress.entrySet()) {
57 if (!localMemberName.equals(entry.getKey())) {
58 peerAddresses.add(getShardManagerActorPathBuilder(entry.getValue()).toString());
65 ShardIdentifier getShardIdentifier(MemberName memberName, String shardName) {
66 return ShardIdentifier.create(shardName, memberName, shardManagerType);
69 String getShardActorAddress(String shardName, MemberName memberName) {
70 Address memberAddress = memberNameToAddress.get(memberName);
71 if (memberAddress != null) {
72 return getShardManagerActorPathBuilder(memberAddress).append("/").append(
73 getShardIdentifier(memberName, shardName)).toString();
79 StringBuilder getShardManagerActorPathBuilder(Address address) {
80 return new StringBuilder().append(address.toString()).append("/user/").append(shardManagerIdentifier);
84 public String resolve(String peerId) {
89 ShardIdentifier shardId = ShardIdentifier.fromShardIdString(peerId);
90 return getShardActorAddress(shardId.getShardName(), shardId.getMemberName());