* 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.cluster.datastore;
-import akka.actor.ActorPath;
-import akka.actor.ActorRef;
-import akka.actor.Address;
-import akka.actor.Cancellable;
-import akka.actor.OneForOneStrategy;
-import akka.actor.Props;
-import akka.actor.SupervisorStrategy;
-import akka.cluster.ClusterEvent;
-import akka.japi.Creator;
-import akka.japi.Function;
-import akka.japi.Procedure;
-import akka.persistence.RecoveryCompleted;
-import akka.persistence.RecoveryFailure;
-import akka.serialization.Serialization;
-import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Objects;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Strings;
-import com.google.common.base.Supplier;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Sets;
import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
import java.util.Set;
-import java.util.concurrent.CountDownLatch;
-import org.opendaylight.controller.cluster.DataPersistenceProvider;
-import org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActorWithMetering;
-import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
-import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
-import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
-import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
-import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
-import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shardmanager.ShardManagerInfo;
-import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shardmanager.ShardManagerInfoMBean;
-import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
-import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
-import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
-import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
-import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
-import org.opendaylight.controller.cluster.datastore.messages.PeerAddressResolved;
-import org.opendaylight.controller.cluster.datastore.messages.PrimaryFound;
-import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
-import org.opendaylight.controller.cluster.datastore.utils.Dispatchers;
-import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
-import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
-import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
-import org.opendaylight.controller.cluster.raft.RaftState;
-import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
-import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import scala.concurrent.duration.Duration;
/**
- * The ShardManager has the following jobs,
- * <ul>
- * <li> Create all the local shard replicas that belong on this cluster member
- * <li> Find the address of the local shard
- * <li> Find the primary replica for any given shard
- * <li> Monitor the cluster members and store their addresses
- * <ul>
+ * Manages shards.
+ *
+ * @deprecated This is a deprecated placeholder to keep its inner class present. It serves no other purpose.
*/
-public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
-
- private static final Logger LOG = LoggerFactory.getLogger(ShardManager.class);
-
- // Stores a mapping between a member name and the address of the member
- // Member names look like "member-1", "member-2" etc and are as specified
- // in configuration
- private final Map<String, Address> memberNameToAddress = new HashMap<>();
-
- // Stores a mapping between a shard name and it's corresponding information
- // Shard names look like inventory, topology etc and are as specified in
- // configuration
- private final Map<String, ShardInformation> localShards = new HashMap<>();
-
- // The type of a ShardManager reflects the type of the datastore itself
- // A data store could be of type config/operational
- private final String type;
-
- private final String shardManagerIdentifierString;
-
- private final ClusterWrapper cluster;
-
- private final Configuration configuration;
-
- private final String shardDispatcherPath;
-
- private ShardManagerInfo mBean;
-
- private DatastoreContext datastoreContext;
-
- private Collection<String> knownModules = Collections.emptySet();
-
- private final DataPersistenceProvider dataPersistenceProvider;
-
- private final CountDownLatch waitTillReadyCountdownLatch;
-
- /**
- */
- protected ShardManager(ClusterWrapper cluster, Configuration configuration,
- DatastoreContext datastoreContext, CountDownLatch waitTillReadyCountdownLatch) {
-
- this.cluster = Preconditions.checkNotNull(cluster, "cluster should not be null");
- this.configuration = Preconditions.checkNotNull(configuration, "configuration should not be null");
- this.datastoreContext = datastoreContext;
- this.dataPersistenceProvider = createDataPersistenceProvider(datastoreContext.isPersistent());
- this.type = datastoreContext.getDataStoreType();
- this.shardManagerIdentifierString = ShardManagerIdentifier.builder().type(type).build().toString();
- this.shardDispatcherPath =
- new Dispatchers(context().system().dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard);
- this.waitTillReadyCountdownLatch = waitTillReadyCountdownLatch;
-
- // Subscribe this actor to cluster member events
- cluster.subscribeToMemberEvents(getSelf());
-
- createLocalShards();
- }
-
- protected DataPersistenceProvider createDataPersistenceProvider(boolean persistent) {
- return (persistent) ? new PersistentDataProvider() : new NonPersistentDataProvider();
- }
-
- public static Props props(
- final ClusterWrapper cluster,
- final Configuration configuration,
- final DatastoreContext datastoreContext,
- final CountDownLatch waitTillReadyCountdownLatch) {
-
- Preconditions.checkNotNull(cluster, "cluster should not be null");
- Preconditions.checkNotNull(configuration, "configuration should not be null");
- Preconditions.checkNotNull(waitTillReadyCountdownLatch, "waitTillReadyCountdownLatch should not be null");
-
- return Props.create(new ShardManagerCreator(cluster, configuration, datastoreContext, waitTillReadyCountdownLatch));
- }
-
- @Override
- public void postStop() {
- LOG.info("Stopping ShardManager");
-
- mBean.unregisterMBean();
- }
-
- @Override
- public void handleCommand(Object message) throws Exception {
- if (message instanceof FindPrimary) {
- findPrimary((FindPrimary)message);
- } else if(message instanceof FindLocalShard){
- findLocalShard((FindLocalShard) message);
- } else if (message instanceof UpdateSchemaContext) {
- updateSchemaContext(message);
- } else if(message instanceof ActorInitialized) {
- onActorInitialized(message);
- } else if (message instanceof ClusterEvent.MemberUp){
- memberUp((ClusterEvent.MemberUp) message);
- } else if(message instanceof ClusterEvent.MemberRemoved) {
- memberRemoved((ClusterEvent.MemberRemoved) message);
- } else if(message instanceof ClusterEvent.UnreachableMember) {
- ignoreMessage(message);
- } else if(message instanceof DatastoreContext) {
- onDatastoreContext((DatastoreContext)message);
- } else if(message instanceof RoleChangeNotification) {
- onRoleChangeNotification((RoleChangeNotification) message);
- } else if(message instanceof FollowerInitialSyncUpStatus){
- onFollowerInitialSyncStatus((FollowerInitialSyncUpStatus) message);
- } else if(message instanceof ShardNotInitializedTimeout) {
- onShardNotInitializedTimeout((ShardNotInitializedTimeout)message);
- } else if(message instanceof LeaderStateChanged) {
- onLeaderStateChanged((LeaderStateChanged)message);
- } else {
- unknownMessage(message);
- }
-
- }
-
- private void onLeaderStateChanged(LeaderStateChanged leaderStateChanged) {
- LOG.info("{}: Received LeaderStateChanged message: {}", persistenceId(), leaderStateChanged);
-
- ShardInformation shardInformation = findShardInformation(leaderStateChanged.getMemberId());
- if(shardInformation != null) {
- shardInformation.setLeaderId(leaderStateChanged.getLeaderId());
- } else {
- LOG.debug("No shard found with member Id {}", leaderStateChanged.getMemberId());
- }
- }
-
- private void onShardNotInitializedTimeout(ShardNotInitializedTimeout message) {
- ShardInformation shardInfo = message.getShardInfo();
-
- LOG.debug("{}: Received ShardNotInitializedTimeout message for shard {}", persistenceId(),
- shardInfo.getShardName());
-
- shardInfo.removeOnShardInitialized(message.getOnShardInitialized());
-
- if(!shardInfo.isShardInitialized()) {
- LOG.debug("{}: Returning NotInitializedException for shard {}", persistenceId(), shardInfo.getShardName());
- message.getSender().tell(createNotInitializedException(shardInfo.shardId), getSelf());
- } else {
- LOG.debug("{}: Returning NoShardLeaderException for shard {}", persistenceId(), shardInfo.getShardName());
- message.getSender().tell(createNoShardLeaderException(shardInfo.shardId), getSelf());
- }
- }
-
- private void onFollowerInitialSyncStatus(FollowerInitialSyncUpStatus status) {
- LOG.info("{} Received follower initial sync status for {} status sync done {}", persistenceId(),
- status.getName(), status.isInitialSyncDone());
-
- ShardInformation shardInformation = findShardInformation(status.getName());
-
- if(shardInformation != null) {
- shardInformation.setFollowerSyncStatus(status.isInitialSyncDone());
-
- mBean.setSyncStatus(isInSync());
- }
-
- }
-
- private void onRoleChangeNotification(RoleChangeNotification roleChanged) {
- LOG.info("{}: Received role changed for {} from {} to {}", persistenceId(), roleChanged.getMemberId(),
- roleChanged.getOldRole(), roleChanged.getNewRole());
-
- ShardInformation shardInformation = findShardInformation(roleChanged.getMemberId());
- if(shardInformation != null) {
- shardInformation.setRole(roleChanged.getNewRole());
-
- if (isReady()) {
- LOG.info("{}: All Shards are ready - data store {} is ready, available count is {}",
- persistenceId(), type, waitTillReadyCountdownLatch.getCount());
-
- waitTillReadyCountdownLatch.countDown();
- }
-
- mBean.setSyncStatus(isInSync());
- }
- }
-
-
- private ShardInformation findShardInformation(String memberId) {
- for(ShardInformation info : localShards.values()){
- if(info.getShardId().toString().equals(memberId)){
- return info;
- }
- }
-
- return null;
- }
-
- private boolean isReady() {
- boolean isReady = true;
- for (ShardInformation info : localShards.values()) {
- if(!info.isShardReady()){
- isReady = false;
- break;
- }
- }
- return isReady;
- }
-
- private boolean isInSync(){
- for (ShardInformation info : localShards.values()) {
- if(!info.isInSync()){
- return false;
- }
- }
- return true;
- }
-
- private void onActorInitialized(Object message) {
- final ActorRef sender = getSender();
-
- if (sender == null) {
- return; //why is a non-actor sending this message? Just ignore.
- }
-
- String actorName = sender.path().name();
- //find shard name from actor name; actor name is stringified shardId
- ShardIdentifier shardId = ShardIdentifier.builder().fromShardIdString(actorName).build();
-
- if (shardId.getShardName() == null) {
- return;
- }
-
- markShardAsInitialized(shardId.getShardName());
- }
-
- private void markShardAsInitialized(String shardName) {
- LOG.debug("{}: Initializing shard [{}]", persistenceId(), shardName);
-
- ShardInformation shardInformation = localShards.get(shardName);
- if (shardInformation != null) {
- shardInformation.setActorInitialized();
-
- shardInformation.getActor().tell(new RegisterRoleChangeListener(), self());
- }
- }
-
- @Override
- protected void handleRecover(Object message) throws Exception {
- if(dataPersistenceProvider.isRecoveryApplicable()) {
- if (message instanceof SchemaContextModules) {
- SchemaContextModules msg = (SchemaContextModules) message;
- knownModules = ImmutableSet.copyOf(msg.getModules());
- } else if (message instanceof RecoveryFailure) {
- RecoveryFailure failure = (RecoveryFailure) message;
- LOG.error("Recovery failed", failure.cause());
- } else if (message instanceof RecoveryCompleted) {
- LOG.info("Recovery complete : {}", persistenceId());
-
- // Delete all the messages from the akka journal except the last one
- deleteMessages(lastSequenceNr() - 1);
- }
- } else {
- if (message instanceof RecoveryCompleted) {
- LOG.info("Recovery complete : {}", persistenceId());
-
- // Delete all the messages from the akka journal
- deleteMessages(lastSequenceNr());
- }
- }
- }
-
- private void findLocalShard(FindLocalShard message) {
- final ShardInformation shardInformation = localShards.get(message.getShardName());
-
- if(shardInformation == null){
- getSender().tell(new LocalShardNotFound(message.getShardName()), getSelf());
- return;
- }
-
- sendResponse(shardInformation, message.isWaitUntilInitialized(), false, new Supplier<Object>() {
- @Override
- public Object get() {
- return new LocalShardFound(shardInformation.getActor());
- }
- });
- }
-
- private void sendResponse(ShardInformation shardInformation, boolean doWait,
- boolean wantShardReady, final Supplier<Object> messageSupplier) {
- if (!shardInformation.isShardInitialized() || (wantShardReady && !shardInformation.isShardReadyWithLeaderId())) {
- if(doWait) {
- final ActorRef sender = getSender();
- final ActorRef self = self();
-
- Runnable replyRunnable = new Runnable() {
- @Override
- public void run() {
- sender.tell(messageSupplier.get(), self);
- }
- };
-
- OnShardInitialized onShardInitialized = wantShardReady ? new OnShardReady(replyRunnable) :
- new OnShardInitialized(replyRunnable);
-
- shardInformation.addOnShardInitialized(onShardInitialized);
-
- LOG.debug("{}: Scheduling timer to wait for shard {}", persistenceId(), shardInformation.getShardName());
-
- Cancellable timeoutSchedule = getContext().system().scheduler().scheduleOnce(
- datastoreContext.getShardInitializationTimeout().duration(), getSelf(),
- new ShardNotInitializedTimeout(shardInformation, onShardInitialized, sender),
- getContext().dispatcher(), getSelf());
-
- onShardInitialized.setTimeoutSchedule(timeoutSchedule);
-
- } else if (!shardInformation.isShardInitialized()) {
- LOG.debug("{}: Returning NotInitializedException for shard {}", persistenceId(),
- shardInformation.getShardName());
- getSender().tell(createNotInitializedException(shardInformation.shardId), getSelf());
- } else {
- LOG.debug("{}: Returning NoShardLeaderException for shard {}", persistenceId(),
- shardInformation.getShardName());
- getSender().tell(createNoShardLeaderException(shardInformation.shardId), getSelf());
- }
-
- return;
- }
-
- getSender().tell(messageSupplier.get(), getSelf());
- }
-
- private NoShardLeaderException createNoShardLeaderException(ShardIdentifier shardId) {
- return new NoShardLeaderException(String.format(
- "Could not find a leader for shard %s. This typically happens when the system is coming up or " +
- "recovering and a leader is being elected. Try again later.", shardId));
- }
-
- private NotInitializedException createNotInitializedException(ShardIdentifier shardId) {
- return new NotInitializedException(String.format(
- "Found primary shard %s but it's not initialized yet. Please try again later", shardId));
- }
-
- private void memberRemoved(ClusterEvent.MemberRemoved message) {
- String memberName = message.member().roles().head();
-
- LOG.debug("{}: Received MemberRemoved: memberName: {}, address: {}", persistenceId(), memberName,
- message.member().address());
-
- memberNameToAddress.remove(message.member().roles().head());
- }
-
- private void memberUp(ClusterEvent.MemberUp message) {
- String memberName = message.member().roles().head();
-
- LOG.debug("{}: Received MemberUp: memberName: {}, address: {}", persistenceId(), memberName,
- message.member().address());
-
- memberNameToAddress.put(memberName, message.member().address());
-
- for(ShardInformation info : localShards.values()){
- String shardName = info.getShardName();
- info.updatePeerAddress(getShardIdentifier(memberName, shardName).toString(),
- getShardActorPath(shardName, memberName), getSelf());
- }
- }
-
- private void onDatastoreContext(DatastoreContext context) {
- datastoreContext = context;
- for (ShardInformation info : localShards.values()) {
- if (info.getActor() != null) {
- info.getActor().tell(datastoreContext, getSelf());
- }
- }
- }
-
- /**
- * Notifies all the local shards of a change in the schema context
- *
- * @param message
- */
- private void updateSchemaContext(final Object message) {
- final SchemaContext schemaContext = ((UpdateSchemaContext) message).getSchemaContext();
-
- Set<ModuleIdentifier> allModuleIdentifiers = schemaContext.getAllModuleIdentifiers();
- Set<String> newModules = new HashSet<>(128);
-
- for(ModuleIdentifier moduleIdentifier : allModuleIdentifiers){
- String s = moduleIdentifier.getNamespace().toString();
- newModules.add(s);
- }
-
- if(newModules.containsAll(knownModules)) {
-
- LOG.debug("New SchemaContext has a super set of current knownModules - persisting info");
-
- knownModules = ImmutableSet.copyOf(newModules);
-
- dataPersistenceProvider.persist(new SchemaContextModules(newModules), new Procedure<SchemaContextModules>() {
-
- @Override
- public void apply(SchemaContextModules param) throws Exception {
- LOG.debug("Sending new SchemaContext to Shards");
- for (ShardInformation info : localShards.values()) {
- if (info.getActor() == null) {
- info.setActor(newShardActor(schemaContext, info));
- } else {
- info.getActor().tell(message, getSelf());
- }
- }
- }
-
- });
- } else {
- LOG.debug("Rejecting schema context update - not a super set of previously known modules:\nUPDATE: {}\nKNOWN: {}",
- newModules, knownModules);
- }
-
- }
-
- @VisibleForTesting
- protected ClusterWrapper getCluster() {
- return cluster;
- }
-
- @VisibleForTesting
- protected ActorRef newShardActor(final SchemaContext schemaContext, ShardInformation info) {
- return getContext().actorOf(Shard.props(info.getShardId(),
- info.getPeerAddresses(), datastoreContext, schemaContext)
- .withDispatcher(shardDispatcherPath), info.getShardId().toString());
- }
-
- private void findPrimary(FindPrimary message) {
- LOG.debug("{}: In findPrimary: {}", persistenceId(), message);
-
- final String shardName = message.getShardName();
-
- // First see if the there is a local replica for the shard
- final ShardInformation info = localShards.get(shardName);
- if (info != null) {
- sendResponse(info, message.isWaitUntilReady(), true, new Supplier<Object>() {
- @Override
- public Object get() {
- Object found = new PrimaryFound(info.getSerializedLeaderActor());
-
- if(LOG.isDebugEnabled()) {
- LOG.debug("{}: Found primary for {}: {}", persistenceId(), shardName, found);
- }
-
- return found;
- }
- });
-
- return;
- }
-
- for(Map.Entry<String, Address> entry: memberNameToAddress.entrySet()) {
- if(!cluster.getCurrentMemberName().equals(entry.getKey())) {
- String path = getShardManagerActorPathBuilder(entry.getValue()).toString();
-
- LOG.debug("{}: findPrimary for {} forwarding to remote ShardManager {}", persistenceId(),
- shardName, path);
-
- getContext().actorSelection(path).forward(message, getContext());
- return;
- }
- }
-
- LOG.debug("{}: No shard found for {}", persistenceId(), shardName);
-
- getSender().tell(new PrimaryNotFoundException(
- String.format("No primary shard found for %s.", shardName)), getSelf());
- }
-
- private StringBuilder getShardManagerActorPathBuilder(Address address) {
- StringBuilder builder = new StringBuilder();
- builder.append(address.toString()).append("/user/").append(shardManagerIdentifierString);
- return builder;
- }
-
- private String getShardActorPath(String shardName, String memberName) {
- Address address = memberNameToAddress.get(memberName);
- if(address != null) {
- StringBuilder builder = getShardManagerActorPathBuilder(address);
- builder.append("/")
- .append(getShardIdentifier(memberName, shardName));
- return builder.toString();
- }
- return null;
- }
-
- /**
- * Construct the name of the shard actor given the name of the member on
- * which the shard resides and the name of the shard
- *
- * @param memberName
- * @param shardName
- * @return
- */
- private ShardIdentifier getShardIdentifier(String memberName, String shardName){
- return ShardIdentifier.builder().memberName(memberName).shardName(shardName).type(type).build();
- }
-
- /**
- * Create shards that are local to the member on which the ShardManager
- * runs
- *
- */
- private void createLocalShards() {
- String memberName = this.cluster.getCurrentMemberName();
- List<String> memberShardNames =
- this.configuration.getMemberShardNames(memberName);
-
- List<String> localShardActorNames = new ArrayList<>();
- for(String shardName : memberShardNames){
- ShardIdentifier shardId = getShardIdentifier(memberName, shardName);
- Map<String, String> peerAddresses = getPeerAddresses(shardName);
- localShardActorNames.add(shardId.toString());
- localShards.put(shardName, new ShardInformation(shardName, shardId, peerAddresses));
- }
-
- mBean = ShardManagerInfo.createShardManagerMBean("shard-manager-" + this.type,
- datastoreContext.getDataStoreMXBeanType(), localShardActorNames);
- }
-
+@Deprecated
+public final class ShardManager {
/**
- * Given the name of the shard find the addresses of all it's peers
- *
- * @param shardName
- * @return
+ * We no longer persist SchemaContextModules but keep this class around for now for backwards
+ * compatibility so we don't get de-serialization failures on upgrade from Helium.
*/
- private Map<String, String> getPeerAddresses(String shardName){
-
- Map<String, String> peerAddresses = new HashMap<>();
-
- List<String> members = this.configuration.getMembersFromShardName(shardName);
-
- String currentMemberName = this.cluster.getCurrentMemberName();
-
- for(String memberName : members){
- if(!currentMemberName.equals(memberName)){
- ShardIdentifier shardId = getShardIdentifier(memberName, shardName);
- String path = getShardActorPath(shardName, currentMemberName);
- peerAddresses.put(shardId.toString(), path);
- }
- }
- return peerAddresses;
- }
-
- @Override
- public SupervisorStrategy supervisorStrategy() {
-
- return new OneForOneStrategy(10, Duration.create("1 minute"),
- new Function<Throwable, SupervisorStrategy.Directive>() {
- @Override
- public SupervisorStrategy.Directive apply(Throwable t) {
- LOG.warn("Supervisor Strategy caught unexpected exception - resuming", t);
- return SupervisorStrategy.resume();
- }
- }
- );
-
- }
-
- @Override
- public String persistenceId() {
- return "shard-manager-" + type;
- }
-
- @VisibleForTesting
- Collection<String> getKnownModules() {
- return knownModules;
- }
-
- @VisibleForTesting
- DataPersistenceProvider getDataPersistenceProvider() {
- return dataPersistenceProvider;
- }
-
- @VisibleForTesting
- ShardManagerInfoMBean getMBean(){
- return mBean;
- }
-
- @VisibleForTesting
- protected static class ShardInformation {
- private final ShardIdentifier shardId;
- private final String shardName;
- private ActorRef actor;
- private ActorPath actorPath;
- private final Map<String, String> peerAddresses;
-
- // flag that determines if the actor is ready for business
- private boolean actorInitialized = false;
-
- private boolean followerSyncStatus = false;
-
- private final Set<OnShardInitialized> onShardInitializedSet = Sets.newHashSet();
- private String role ;
- private String leaderId;
-
- private ShardInformation(String shardName, ShardIdentifier shardId,
- Map<String, String> peerAddresses) {
- this.shardName = shardName;
- this.shardId = shardId;
- this.peerAddresses = peerAddresses;
- }
-
- String getShardName() {
- return shardName;
- }
-
- ActorRef getActor(){
- return actor;
- }
-
- ActorPath getActorPath() {
- return actorPath;
- }
-
- void setActor(ActorRef actor) {
- this.actor = actor;
- this.actorPath = actor.path();
- }
-
- ShardIdentifier getShardId() {
- return shardId;
- }
-
- Map<String, String> getPeerAddresses() {
- return peerAddresses;
- }
-
- void updatePeerAddress(String peerId, String peerAddress, ActorRef sender){
- LOG.info("updatePeerAddress for peer {} with address {}", peerId,
- peerAddress);
- if(peerAddresses.containsKey(peerId)){
- peerAddresses.put(peerId, peerAddress);
-
- if(actor != null) {
- if(LOG.isDebugEnabled()) {
- LOG.debug("Sending PeerAddressResolved for peer {} with address {} to {}",
- peerId, peerAddress, actor.path());
- }
-
- actor.tell(new PeerAddressResolved(peerId.toString(), peerAddress), sender);
- }
-
- notifyOnShardInitializedCallbacks();
- }
- }
-
- boolean isShardReady() {
- return !RaftState.Candidate.name().equals(role) && !Strings.isNullOrEmpty(role);
- }
-
- boolean isShardReadyWithLeaderId() {
- return isShardReady() && (isLeader() || peerAddresses.containsKey(leaderId));
- }
-
- boolean isShardInitialized() {
- return getActor() != null && actorInitialized;
- }
-
- boolean isLeader() {
- return Objects.equal(leaderId, shardId.toString());
- }
-
- String getSerializedLeaderActor() {
- if(isLeader()) {
- return Serialization.serializedActorPath(getActor());
- } else {
- return peerAddresses.get(leaderId);
- }
- }
-
- void setActorInitialized() {
- LOG.debug("Shard {} is initialized", shardId);
-
- this.actorInitialized = true;
-
- notifyOnShardInitializedCallbacks();
- }
-
- private void notifyOnShardInitializedCallbacks() {
- if(onShardInitializedSet.isEmpty()) {
- return;
- }
-
- boolean ready = isShardReadyWithLeaderId();
-
- if(LOG.isDebugEnabled()) {
- LOG.debug("Shard {} is {} - notifying {} OnShardInitialized callbacks", shardId,
- ready ? "ready" : "initialized", onShardInitializedSet.size());
- }
-
- Iterator<OnShardInitialized> iter = onShardInitializedSet.iterator();
- while(iter.hasNext()) {
- OnShardInitialized onShardInitialized = iter.next();
- if(!(onShardInitialized instanceof OnShardReady) || ready) {
- iter.remove();
- onShardInitialized.getTimeoutSchedule().cancel();
- onShardInitialized.getReplyRunnable().run();
- }
- }
- }
-
- void addOnShardInitialized(OnShardInitialized onShardInitialized) {
- onShardInitializedSet.add(onShardInitialized);
- }
-
- void removeOnShardInitialized(OnShardInitialized onShardInitialized) {
- onShardInitializedSet.remove(onShardInitialized);
- }
-
- void setRole(String newRole) {
- this.role = newRole;
-
- notifyOnShardInitializedCallbacks();
- }
-
- void setFollowerSyncStatus(boolean syncStatus){
- this.followerSyncStatus = syncStatus;
- }
-
- boolean isInSync(){
- if(RaftState.Follower.name().equals(this.role)){
- return followerSyncStatus;
- } else if(RaftState.Leader.name().equals(this.role)){
- return true;
- }
-
- return false;
- }
-
- void setLeaderId(String leaderId) {
- this.leaderId = leaderId;
-
- notifyOnShardInitializedCallbacks();
- }
- }
-
- private static class ShardManagerCreator implements Creator<ShardManager> {
- private static final long serialVersionUID = 1L;
-
- final ClusterWrapper cluster;
- final Configuration configuration;
- final DatastoreContext datastoreContext;
- private final CountDownLatch waitTillReadyCountdownLatch;
-
- ShardManagerCreator(ClusterWrapper cluster,
- Configuration configuration, DatastoreContext datastoreContext, CountDownLatch waitTillReadyCountdownLatch) {
- this.cluster = cluster;
- this.configuration = configuration;
- this.datastoreContext = datastoreContext;
- this.waitTillReadyCountdownLatch = waitTillReadyCountdownLatch;
- }
-
- @Override
- public ShardManager create() throws Exception {
- return new ShardManager(cluster, configuration, datastoreContext, waitTillReadyCountdownLatch);
- }
- }
-
- private static class OnShardInitialized {
- private final Runnable replyRunnable;
- private Cancellable timeoutSchedule;
-
- OnShardInitialized(Runnable replyRunnable) {
- this.replyRunnable = replyRunnable;
- }
-
- Runnable getReplyRunnable() {
- return replyRunnable;
- }
-
- Cancellable getTimeoutSchedule() {
- return timeoutSchedule;
- }
-
- void setTimeoutSchedule(Cancellable timeoutSchedule) {
- this.timeoutSchedule = timeoutSchedule;
- }
- }
-
- private static class OnShardReady extends OnShardInitialized {
- OnShardReady(Runnable replyRunnable) {
- super(replyRunnable);
- }
- }
-
- private static class ShardNotInitializedTimeout {
- private final ActorRef sender;
- private final ShardInformation shardInfo;
- private final OnShardInitialized onShardInitialized;
-
- ShardNotInitializedTimeout(ShardInformation shardInfo, OnShardInitialized onShardInitialized, ActorRef sender) {
- this.sender = sender;
- this.shardInfo = shardInfo;
- this.onShardInitialized = onShardInitialized;
- }
-
- ActorRef getSender() {
- return sender;
- }
-
- ShardInformation getShardInfo() {
- return shardInfo;
- }
-
- OnShardInitialized getOnShardInitialized() {
- return onShardInitialized;
- }
- }
-
- static class SchemaContextModules implements Serializable {
+ @Deprecated
+ public static class SchemaContextModules implements Serializable {
private static final long serialVersionUID = -8884620101025936590L;
private final Set<String> modules;
- SchemaContextModules(Set<String> modules){
+ public SchemaContextModules(Set<String> modules) {
this.modules = modules;
}
return modules;
}
}
-}
-
-
+ private ShardManager() {
+ throw new UnsupportedOperationException("deprecated outer class");
+ }
+}
Code Review / controller.git / blobdiff