@SuppressWarnings("unchecked")
public void dispatchEvent(EventData eventData, EntryListener listener) {
Member member = nodeEngine.getClusterService().getMember(eventData.getCaller());
EntryEvent event =
new DataAwareEntryEvent(
member,
eventData.getEventType(),
eventData.getMapName(),
eventData.getDataKey(),
eventData.getDataNewValue(),
eventData.getDataOldValue(),
getSerializationService());
switch (event.getEventType()) {
case ADDED:
listener.entryAdded(event);
break;
case EVICTED:
listener.entryEvicted(event);
break;
case UPDATED:
listener.entryUpdated(event);
break;
case REMOVED:
listener.entryRemoved(event);
break;
default:
throw new IllegalArgumentException("Invalid event type: " + event.getEventType());
}
MapContainer mapContainer = getMapContainer(eventData.getMapName());
if (mapContainer.getMapConfig().isStatisticsEnabled()) {
getLocalMapStatsImpl(eventData.getMapName()).incrementReceivedEvents();
}
}
public void connectionRemoved(Connection connection) {
if (connection.isClient() && connection instanceof TcpIpConnection && nodeEngine.isActive()) {
final ClientEndpoint endpoint = endpoints.get(connection);
if (endpoint != null
&& node.getLocalMember().getUuid().equals(endpoint.getPrincipal().getOwnerUuid())) {
removeEndpoint(connection, true);
if (!endpoint.isFirstConnection()) {
return;
}
NodeEngine nodeEngine = node.nodeEngine;
final Collection<MemberImpl> memberList = nodeEngine.getClusterService().getMemberList();
for (MemberImpl member : memberList) {
final ClientDisconnectionOperation op =
new ClientDisconnectionOperation(endpoint.getUuid());
op.setNodeEngine(nodeEngine)
.setServiceName(SERVICE_NAME)
.setService(this)
.setResponseHandler(ResponseHandlerFactory.createEmptyResponseHandler());
if (member.localMember()) {
nodeEngine.getOperationService().runOperation(op);
} else {
nodeEngine.getOperationService().send(op, member.getAddress());
}
}
}
}
}
public void invalidateAllNearCaches(String mapName, Set<Data> keys) {
if (!isNearCacheEnabled(mapName)) {
return;
}
if (keys == null || keys.isEmpty()) {
return;
}
// send operation.
Operation operation =
new NearCacheKeySetInvalidationOperation(mapName, keys).setServiceName(SERVICE_NAME);
Collection<MemberImpl> members = nodeEngine.getClusterService().getMemberList();
for (MemberImpl member : members) {
try {
if (member.localMember()) continue;
nodeEngine.getOperationService().send(operation, member.getAddress());
} catch (Throwable throwable) {
logger.warning(throwable);
}
}
// below local invalidation is for the case the data is cached before partition is
// owned/migrated
for (final Data key : keys) {
invalidateNearCache(mapName, key);
}
}
public Runnable prepareMergeRunnable() {
Map<MapContainer, Collection<Record>> recordMap =
new HashMap<MapContainer, Collection<Record>>(mapContainers.size());
InternalPartitionService partitionService = nodeEngine.getPartitionService();
int partitionCount = partitionService.getPartitionCount();
Address thisAddress = nodeEngine.getClusterService().getThisAddress();
for (MapContainer mapContainer : mapContainers.values()) {
for (int i = 0; i < partitionCount; i++) {
RecordStore recordStore = getPartitionContainer(i).getRecordStore(mapContainer.getName());
// add your owned entries to the map so they will be merged
if (thisAddress.equals(partitionService.getPartitionOwner(i))) {
Collection<Record> records = recordMap.get(mapContainer);
if (records == null) {
records = new ArrayList<Record>();
recordMap.put(mapContainer, records);
}
records.addAll(recordStore.getReadonlyRecordMap().values());
}
// clear all records either owned or backup
recordStore.reset();
}
}
return new Merger(recordMap);
}
public void invalidateAllNearCaches(String mapName, Data key) {
if (!isNearCacheEnabled(mapName)) {
return;
}
Collection<MemberImpl> members = nodeEngine.getClusterService().getMemberList();
for (MemberImpl member : members) {
try {
if (member.localMember()) continue;
Operation operation =
new InvalidateNearCacheOperation(mapName, key).setServiceName(SERVICE_NAME);
nodeEngine.getOperationService().send(operation, member.getAddress());
} catch (Throwable throwable) {
throw new HazelcastException(throwable);
}
}
// below local invalidation is for the case the data is cached before partition is
// owned/migrated
invalidateNearCache(mapName, key);
}
public void run() {
final NodeEngine nodeEngine = getNodeEngine();
final Address masterAddress = nodeEngine.getMasterAddress();
if (!masterAddress.equals(migrationInfo.getMaster())) {
throw new RetryableHazelcastException(
"Migration initiator is not master node! => " + toString());
}
if (!masterAddress.equals(getCallerAddress())) {
throw new RetryableHazelcastException("Caller is not master node! => " + toString());
}
final Address source = migrationInfo.getSource();
final Address destination = migrationInfo.getDestination();
final Member target = nodeEngine.getClusterService().getMember(destination);
if (target == null) {
throw new RetryableHazelcastException(
"Destination of migration could not be found! => " + toString());
}
if (destination.equals(source)) {
getLogger().warning("Source and destination addresses are the same! => " + toString());
success = false;
return;
}
if (source == null || !source.equals(nodeEngine.getThisAddress())) {
throw new RetryableHazelcastException(
"Source of migration is not this node! => " + toString());
}
if (migrationInfo.startProcessing()) {
try {
PartitionServiceImpl partitionService = getService();
PartitionImpl partition = partitionService.getPartition(migrationInfo.getPartitionId());
final Address owner = partition.getOwner();
if (!source.equals(owner)) {
throw new HazelcastException(
"Cannot migrate! This node is not owner of the partition => "
+ migrationInfo
+ " -> "
+ partition);
}
partitionService.addActiveMigration(migrationInfo);
final long[] replicaVersions =
partitionService.getPartitionReplicaVersions(migrationInfo.getPartitionId());
final long timeout = nodeEngine.getGroupProperties().PARTITION_MIGRATION_TIMEOUT.getLong();
final Collection<Operation> tasks = prepareMigrationTasks();
if (tasks.size() > 0) {
returnResponse = false;
final ResponseHandler responseHandler = getResponseHandler();
final SerializationService serializationService = nodeEngine.getSerializationService();
nodeEngine
.getExecutionService()
.getExecutor(ExecutionService.ASYNC_EXECUTOR)
.execute(
new Runnable() {
public void run() {
final BufferObjectDataOutput out =
serializationService.createObjectDataOutput(1024 * 32);
try {
out.writeInt(tasks.size());
for (Operation task : tasks) {
serializationService.writeObject(out, task);
}
final byte[] data;
boolean compress =
nodeEngine
.getGroupProperties()
.PARTITION_MIGRATION_ZIP_ENABLED
.getBoolean();
if (compress) {
data = IOUtil.compress(out.toByteArray());
} else {
data = out.toByteArray();
}
final MigrationOperation migrationOperation =
new MigrationOperation(
migrationInfo, replicaVersions, data, tasks.size(), compress);
Invocation inv =
nodeEngine
.getOperationService()
.createInvocationBuilder(
PartitionServiceImpl.SERVICE_NAME,
migrationOperation,
destination)
.setTryPauseMillis(1000)
.setReplicaIndex(getReplicaIndex())
.build();
Future future = inv.invoke();
Boolean result =
(Boolean) nodeEngine.toObject(future.get(timeout, TimeUnit.SECONDS));
responseHandler.sendResponse(result);
} catch (Throwable e) {
responseHandler.sendResponse(Boolean.FALSE);
if (e instanceof ExecutionException) {
e = e.getCause() != null ? e.getCause() : e;
}
Level level =
(e instanceof MemberLeftException || e instanceof InterruptedException)
|| !getNodeEngine().isActive()
? Level.INFO
: Level.WARNING;
getLogger().log(level, e.getMessage(), e);
} finally {
IOUtil.closeResource(out);
}
}
});
} else {
success = true;
}
} catch (Throwable e) {
getLogger().warning(e);
success = false;
} finally {
migrationInfo.doneProcessing();
}
} else {
getLogger().warning("Migration is cancelled -> " + migrationInfo);
success = false;
}
}
public LocalMapStatsImpl createLocalMapStats(String mapName) {
MapContainer mapContainer = getMapContainer(mapName);
LocalMapStatsImpl localMapStats = getLocalMapStatsImpl(mapName);
if (!mapContainer.getMapConfig().isStatisticsEnabled()) {
return localMapStats;
}
long ownedEntryCount = 0;
long backupEntryCount = 0;
long dirtyCount = 0;
long ownedEntryMemoryCost = 0;
long backupEntryMemoryCost = 0;
long hits = 0;
long lockedEntryCount = 0;
long heapCost = 0;
int backupCount = mapContainer.getTotalBackupCount();
ClusterService clusterService = nodeEngine.getClusterService();
final InternalPartitionService partitionService = nodeEngine.getPartitionService();
Address thisAddress = clusterService.getThisAddress();
for (int partitionId = 0; partitionId < partitionService.getPartitionCount(); partitionId++) {
InternalPartition partition = partitionService.getPartition(partitionId);
Address owner = partition.getOwner();
if (owner == null) {
// no-op because no owner is set yet. Therefor we don't know anything about the map
continue;
}
if (owner.equals(thisAddress)) {
PartitionContainer partitionContainer = getPartitionContainer(partitionId);
RecordStore recordStore = partitionContainer.getExistingRecordStore(mapName);
// we don't want to force loading the record store because we are loading statistics. So
// that is why
// we ask for 'getExistingRecordStore' instead of 'getRecordStore' which does the load.
if (recordStore != null) {
heapCost += recordStore.getHeapCost();
Map<Data, Record> records = recordStore.getReadonlyRecordMap();
for (Record record : records.values()) {
RecordStatistics stats = record.getStatistics();
// there is map store and the record is dirty (waits to be stored)
ownedEntryCount++;
ownedEntryMemoryCost += record.getCost();
localMapStats.setLastAccessTime(stats.getLastAccessTime());
localMapStats.setLastUpdateTime(stats.getLastUpdateTime());
hits += stats.getHits();
if (recordStore.isLocked(record.getKey())) {
lockedEntryCount++;
}
}
}
} else {
for (int replica = 1; replica <= backupCount; replica++) {
Address replicaAddress = partition.getReplicaAddress(replica);
int tryCount = 30;
// wait if the partition table is not updated yet
while (replicaAddress == null
&& clusterService.getSize() > backupCount
&& tryCount-- > 0) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
throw ExceptionUtil.rethrow(e);
}
replicaAddress = partition.getReplicaAddress(replica);
}
if (replicaAddress != null && replicaAddress.equals(thisAddress)) {
PartitionContainer partitionContainer = getPartitionContainer(partitionId);
RecordStore recordStore = partitionContainer.getRecordStore(mapName);
heapCost += recordStore.getHeapCost();
Map<Data, Record> records = recordStore.getReadonlyRecordMap();
for (Record record : records.values()) {
backupEntryCount++;
backupEntryMemoryCost += record.getCost();
}
} else if (replicaAddress == null && clusterService.getSize() > backupCount) {
logger.warning("Partition: " + partition + ", replica: " + replica + " has no owner!");
}
}
}
}
if (mapContainer.getMapStoreScheduler() != null) {
dirtyCount = mapContainer.getMapStoreScheduler().size();
}
localMapStats.setBackupCount(backupCount);
localMapStats.setDirtyEntryCount(zeroOrPositive(dirtyCount));
localMapStats.setLockedEntryCount(zeroOrPositive(lockedEntryCount));
localMapStats.setHits(zeroOrPositive(hits));
localMapStats.setOwnedEntryCount(zeroOrPositive(ownedEntryCount));
localMapStats.setBackupEntryCount(zeroOrPositive(backupEntryCount));
localMapStats.setOwnedEntryMemoryCost(zeroOrPositive(ownedEntryMemoryCost));
localMapStats.setBackupEntryMemoryCost(zeroOrPositive(backupEntryMemoryCost));
// add near cache heap cost.
heapCost += mapContainer.getNearCacheSizeEstimator().getSize();
localMapStats.setHeapCost(heapCost);
if (mapContainer.getMapConfig().isNearCacheEnabled()) {
NearCacheStatsImpl nearCacheStats = getNearCache(mapName).getNearCacheStats();
localMapStats.setNearCacheStats(nearCacheStats);
}
return localMapStats;
}