2 * Copyright (c) 2014 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.datastore.jmx.mbeans.shardmanager;
11 import akka.actor.ActorRef;
12 import com.google.common.base.Preconditions;
13 import com.google.common.collect.Lists;
14 import java.util.List;
15 import org.opendaylight.controller.cluster.datastore.ShardManager;
16 import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
17 import org.opendaylight.controller.cluster.raft.RaftState;
18 import org.opendaylight.controller.md.sal.common.util.jmx.AbstractMXBean;
19 import org.slf4j.Logger;
20 import org.slf4j.LoggerFactory;
22 public class ShardManagerInfo extends AbstractMXBean implements ShardManagerInfoMBean {
24 public static String JMX_CATEGORY_SHARD_MANAGER = "ShardManager";
26 // The only states that you can switch to from outside. You cannot switch to Candidate/IsolatedLeader for example
27 private static final List<String> ACCEPTABLE_STATES
28 = Lists.newArrayList(RaftState.Leader.name(), RaftState.Follower.name());
30 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerInfo.class);
32 private final String memberName;
33 private final List<String> localShards;
35 private boolean syncStatus = false;
37 private ShardManager shardManager;
39 public ShardManagerInfo(String memberName, String name, String mxBeanType, List<String> localShards) {
40 super(name, mxBeanType, JMX_CATEGORY_SHARD_MANAGER);
41 this.memberName = memberName;
42 this.localShards = localShards;
45 public static ShardManagerInfo createShardManagerMBean(String memberName, String name, String mxBeanType,
46 List<String> localShards){
47 ShardManagerInfo shardManagerInfo = new ShardManagerInfo(memberName, name, mxBeanType, localShards);
49 shardManagerInfo.registerMBean();
51 return shardManagerInfo;
54 public void addLocalShard(String shardName) {
55 localShards.add(shardName);
59 public List<String> getLocalShards() {
64 public boolean getSyncStatus() {
65 return this.syncStatus;
69 public String getMemberName() {
74 public void switchAllLocalShardsState(String newState, long term) {
75 LOG.info("switchAllLocalShardsState called newState = {}, term = {}", newState, term);
77 for(String shardName : localShards){
78 switchShardState(shardName, newState, term);
83 public void switchShardState(String shardName, String newState, long term) {
84 LOG.info("switchShardState called shardName = {}, newState = {}, term = {}", shardName, newState, term);
86 Preconditions.checkArgument(localShards.contains(shardName), shardName + " is not local");
87 Preconditions.checkArgument(ACCEPTABLE_STATES.contains(newState));
89 shardManager.getSelf().tell(new SwitchShardBehavior(shardName, newState, term), ActorRef.noSender());
92 public void setSyncStatus(boolean syncStatus){
93 this.syncStatus = syncStatus;
96 public void setShardManager(ShardManager shardManager){
97 this.shardManager = shardManager;