package org.infinispan.notifications.cachelistener;
import org.infinispan.Cache;
import org.infinispan.commands.FlagAffectedCommand;
import org.infinispan.commons.CacheListenerException;
import org.infinispan.commons.util.InfinispanCollections;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.container.entries.CacheEntry;
import org.infinispan.container.entries.InternalCacheEntry;
import org.infinispan.context.Flag;
import org.infinispan.context.InvocationContext;
import org.infinispan.context.impl.TxInvocationContext;
import org.infinispan.distexec.DefaultExecutorService;
import org.infinispan.distexec.DistributedCallable;
import org.infinispan.distexec.DistributedExecutionCompletionService;
import org.infinispan.distexec.DistributedExecutorService;
import org.infinispan.distribution.ch.ConsistentHash;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.interceptors.locking.ClusteringDependentLogic;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.notifications.AbstractListenerImpl;
import org.infinispan.notifications.Converter;
import org.infinispan.notifications.KeyFilter;
import org.infinispan.notifications.KeyValueFilter;
import org.infinispan.notifications.Listener;
import org.infinispan.notifications.cachelistener.annotation.*;
import org.infinispan.notifications.cachelistener.cluster.ClusterCacheNotifier;
import org.infinispan.notifications.cachelistener.cluster.ClusterListenerRemoveCallable;
import org.infinispan.notifications.cachelistener.cluster.ClusterListenerReplicateCallable;
import org.infinispan.notifications.cachelistener.cluster.RemoteClusterListener;
import org.infinispan.notifications.cachelistener.event.*;
import org.infinispan.notifications.cachelistener.filter.KeyFilterAsKeyValueFilter;
import org.infinispan.remoting.transport.Address;
import org.infinispan.transaction.xa.GlobalTransaction;
import org.infinispan.util.concurrent.WithinThreadExecutor;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import javax.security.auth.Subject;
import javax.transaction.Status;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import static org.infinispan.commons.util.InfinispanCollections.transformCollectionToMap;
import static org.infinispan.notifications.cachelistener.event.Event.Type.*;
/**
* Helper class that handles all notifications to registered listeners.
*
* @author Manik Surtani (manik AT infinispan DOT org)
* @author Mircea.Markus@jboss.com
* @since 4.0
*/
public final class CacheNotifierImpl extends AbstractListenerImpl implements ClusterCacheNotifier {
private static final Log log = LogFactory.getLog(CacheNotifierImpl.class);
private static final Map<Class<? extends Annotation>, Class<?>> allowedListeners = new HashMap<Class<? extends Annotation>, Class<?>>(16);
private static final Map<Class<? extends Annotation>, Class<?>> clusterAllowedListeners =
new HashMap<Class<? extends Annotation>, Class<?>>();
static {
allowedListeners.put(CacheEntryCreated.class, CacheEntryCreatedEvent.class);
allowedListeners.put(CacheEntryRemoved.class, CacheEntryRemovedEvent.class);
allowedListeners.put(CacheEntryVisited.class, CacheEntryVisitedEvent.class);
allowedListeners.put(CacheEntryModified.class, CacheEntryModifiedEvent.class);
allowedListeners.put(CacheEntryActivated.class, CacheEntryActivatedEvent.class);
allowedListeners.put(CacheEntryPassivated.class, CacheEntryPassivatedEvent.class);
allowedListeners.put(CacheEntryLoaded.class, CacheEntryLoadedEvent.class);
allowedListeners.put(CacheEntriesEvicted.class, CacheEntriesEvictedEvent.class);
allowedListeners.put(TransactionRegistered.class, TransactionRegisteredEvent.class);
allowedListeners.put(TransactionCompleted.class, TransactionCompletedEvent.class);
allowedListeners.put(CacheEntryInvalidated.class, CacheEntryInvalidatedEvent.class);
allowedListeners.put(DataRehashed.class, DataRehashedEvent.class);
allowedListeners.put(TopologyChanged.class, TopologyChangedEvent.class);
// For backward compat
allowedListeners.put(CacheEntryEvicted.class, CacheEntryEvictedEvent.class);
}
static {
clusterAllowedListeners.put(CacheEntryCreated.class, CacheEntryCreatedEvent.class);
clusterAllowedListeners.put(CacheEntryModified.class, CacheEntryModifiedEvent.class);
clusterAllowedListeners.put(CacheEntryRemoved.class, CacheEntryRemovedEvent.class);
}
final List<ListenerInvocation> cacheEntryCreatedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> cacheEntryRemovedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> cacheEntryVisitedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> cacheEntryModifiedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> cacheEntryActivatedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> cacheEntryPassivatedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> cacheEntryLoadedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> cacheEntryInvalidatedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> cacheEntriesEvictedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> transactionRegisteredListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> transactionCompletedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> dataRehashedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
final List<ListenerInvocation> topologyChangedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
// For backward compat
final List<ListenerInvocation> cacheEntryEvictedListeners = new CopyOnWriteArrayList<ListenerInvocation>();
private Cache<Object, Object> cache;
private ClusteringDependentLogic clusteringDependentLogic;
private TransactionManager transactionManager;
private DistributedExecutorService distExecutorService;
private Configuration config;
private final Map<Object, UUID> clusterListenerIDs = new ConcurrentHashMap<Object, UUID>();
public CacheNotifierImpl() {
listenersMap.put(CacheEntryCreated.class, cacheEntryCreatedListeners);
listenersMap.put(CacheEntryRemoved.class, cacheEntryRemovedListeners);
listenersMap.put(CacheEntryVisited.class, cacheEntryVisitedListeners);
listenersMap.put(CacheEntryModified.class, cacheEntryModifiedListeners);
listenersMap.put(CacheEntryActivated.class, cacheEntryActivatedListeners);
listenersMap.put(CacheEntryPassivated.class, cacheEntryPassivatedListeners);
listenersMap.put(CacheEntryLoaded.class, cacheEntryLoadedListeners);
listenersMap.put(CacheEntriesEvicted.class, cacheEntriesEvictedListeners);
listenersMap.put(TransactionRegistered.class, transactionRegisteredListeners);
listenersMap.put(TransactionCompleted.class, transactionCompletedListeners);
listenersMap.put(CacheEntryInvalidated.class, cacheEntryInvalidatedListeners);
listenersMap.put(DataRehashed.class, dataRehashedListeners);
listenersMap.put(TopologyChanged.class, topologyChangedListeners);
// For backward compat
listenersMap.put(CacheEntryEvicted.class, cacheEntryEvictedListeners);
}
@Inject
void injectDependencies(Cache<Object, Object> cache, ClusteringDependentLogic clusteringDependentLogic,
TransactionManager transactionManager, Configuration config) {
this.cache = cache;
this.clusteringDependentLogic = clusteringDependentLogic;
this.transactionManager = transactionManager;
this.config = config;
}
@Override
public void start() {
super.start();
this.distExecutorService = new DefaultExecutorService(cache, new WithinThreadExecutor());
}
@Override
protected Log getLog() {
return log;
}
@Override
protected Map<Class<? extends Annotation>, Class<?>> getAllowedMethodAnnotations() {
return allowedListeners;
}
@Override
protected final Transaction suspendIfNeeded() {
if (transactionManager == null) {
return null;
}
try {
switch (transactionManager.getStatus()) {
case Status.STATUS_ACTIVE:
case Status.STATUS_NO_TRANSACTION:
return null;
case Status.STATUS_MARKED_ROLLBACK:
case Status.STATUS_PREPARED:
case Status.STATUS_COMMITTED:
case Status.STATUS_ROLLEDBACK:
case Status.STATUS_UNKNOWN:
case Status.STATUS_PREPARING:
case Status.STATUS_COMMITTING:
case Status.STATUS_ROLLING_BACK:
default:
//suspend in default and in unknown status to be safer
return transactionManager.suspend();
}
} catch (Exception e) {
if (log.isTraceEnabled()) {
log.trace("An error occurred while trying to suspend a transaction.", e);
}
return null;
}
}
@Override
protected final void resumeIfNeeded(Transaction transaction) {
if (transaction == null || transactionManager == null) {
return;
}
try {
transactionManager.resume(transaction);
} catch (Exception e) {
if (log.isTraceEnabled()) {
log.tracef(e, "An error occurred while trying to resume a suspended transaction. tx=%s", transaction);
}
}
}
@Override
public void notifyCacheEntryCreated(Object key, Object value, boolean pre,
InvocationContext ctx, FlagAffectedCommand command) {
if (!cacheEntryCreatedListeners.isEmpty()) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_CREATED);
configureEvent(e, key, value, pre, ctx, command);
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
for (ListenerInvocation listener : cacheEntryCreatedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
@Override
public void notifyCacheEntryModified(Object key, Object value,
boolean created, boolean pre, InvocationContext ctx,
FlagAffectedCommand command) {
if (!cacheEntryModifiedListeners.isEmpty()) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_MODIFIED);
configureEvent(e, key, value, pre, ctx, command);
// Even if CacheEntryCreatedEvent.getValue() has been added, to
// avoid breaking old behaviour and make it easy to comply with
// JSR-107 specification TCK, it's necessary to find out whether a
// modification is the result of a cache entry being created or not.
// This is needed because on JSR-107, a modification is only fired
// when the entry is updated, and only one event is fired, so you
// want to fire it when isPre=false.
e.setCreated(created);
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
for (ListenerInvocation listener : cacheEntryModifiedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
@Override
public void notifyCacheEntryRemoved(Object key, Object value, Object oldValue,
boolean pre, InvocationContext ctx, FlagAffectedCommand command) {
if (isNotificationAllowed(command, cacheEntryRemovedListeners)) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_REMOVED);
configureEvent(e, key, value, pre, ctx, command);
e.setOldValue(oldValue);
setTx(ctx, e);
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
for (ListenerInvocation listener : cacheEntryRemovedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
private void configureEvent(EventImpl<Object, Object> e, Object key, Object value, boolean pre,
InvocationContext ctx, FlagAffectedCommand command) {
boolean originLocal = ctx.isOriginLocal();
e.setOriginLocal(originLocal);
e.setValue(value);
e.setPre(pre);
CacheEntry entry = ctx.lookupEntry(key);
if (entry != null) {
e.setMetadata(entry.getMetadata());
}
Set<Flag> flags;
if (command != null && (flags = command.getFlags()) != null && flags.contains(Flag.COMMAND_RETRY)) {
e.setCommandRetried(true);
}
e.setKey(key);
setTx(ctx, e);
}
@Override
public void notifyCacheEntryVisited(Object key, Object value, boolean pre, InvocationContext ctx, FlagAffectedCommand command) {
if (isNotificationAllowed(command, cacheEntryVisitedListeners)) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_VISITED);
e.setPre(pre);
e.setKey(key);
e.setValue(value);
setTx(ctx, e);
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
for (ListenerInvocation listener : cacheEntryVisitedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
@Override
public void notifyCacheEntriesEvicted(Collection<InternalCacheEntry> entries, InvocationContext ctx, FlagAffectedCommand command) {
if (!entries.isEmpty()) {
if (isNotificationAllowed(command, cacheEntriesEvictedListeners)) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_EVICTED);
Map<Object, Object> evictedKeysAndValues = transformCollectionToMap(entries,
new InfinispanCollections.MapMakerFunction<Object, Object, InternalCacheEntry>() {
@Override
public Map.Entry<Object, Object> transform(final InternalCacheEntry input) {
return new Map.Entry<Object, Object>() {
@Override
public Object getKey() {
return input.getKey();
}
@Override
public Object getValue() {
return input.getValue();
}
@Override
public Object setValue(Object value) {
throw new UnsupportedOperationException();
}
};
}
}
);
e.setEntries(evictedKeysAndValues);
for (ListenerInvocation listener : cacheEntriesEvictedListeners) listener.invoke(e);
}
// For backward compat
if (isNotificationAllowed(command, cacheEntryEvictedListeners)) {
for (InternalCacheEntry ice : entries) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_EVICTED);
e.setKey(ice.getKey());
e.setValue(ice.getValue());
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(ice.getKey());
for (ListenerInvocation listener : cacheEntryEvictedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
}
}
@Override
public void notifyCacheEntryEvicted(Object key, Object value,
InvocationContext ctx, FlagAffectedCommand command) {
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
if (isNotificationAllowed(command, cacheEntriesEvictedListeners)) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_EVICTED);
e.setEntries(Collections.singletonMap(key, value));
for (ListenerInvocation listener : cacheEntriesEvictedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
// For backward compat
if (isNotificationAllowed(command, cacheEntryEvictedListeners)) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_EVICTED);
e.setKey(key);
e.setValue(value);
for (ListenerInvocation listener : cacheEntryEvictedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
@Override
public void notifyCacheEntryInvalidated(final Object key, Object value, final boolean pre,
InvocationContext ctx, FlagAffectedCommand command) {
if (isNotificationAllowed(command, cacheEntryInvalidatedListeners)) {
final boolean originLocal = ctx.isOriginLocal();
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_INVALIDATED);
e.setOriginLocal(originLocal);
e.setPre(pre);
e.setKey(key);
e.setValue(value);
setTx(ctx, e);
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
for (ListenerInvocation listener : cacheEntryInvalidatedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
@Override
public void notifyCacheEntryLoaded(Object key, Object value, boolean pre,
InvocationContext ctx, FlagAffectedCommand command) {
if (isNotificationAllowed(command, cacheEntryLoadedListeners)) {
boolean originLocal = ctx.isOriginLocal();
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_LOADED);
e.setOriginLocal(originLocal);
e.setPre(pre);
e.setKey(key);
e.setValue(value);
setTx(ctx, e);
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
for (ListenerInvocation listener : cacheEntryLoadedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
@Override
public void notifyCacheEntryActivated(Object key, Object value, boolean pre, InvocationContext ctx, FlagAffectedCommand command) {
if (isNotificationAllowed(command, cacheEntryActivatedListeners)) {
boolean originLocal = ctx.isOriginLocal();
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_ACTIVATED);
e.setOriginLocal(originLocal);
e.setPre(pre);
e.setKey(key);
e.setValue(value);
setTx(ctx, e);
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
for (ListenerInvocation listener : cacheEntryActivatedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
private void setTx(InvocationContext ctx, EventImpl<Object, Object> e) {
if (ctx != null && ctx.isInTxScope()) {
GlobalTransaction tx = ((TxInvocationContext) ctx).getGlobalTransaction();
e.setTransactionId(tx);
}
}
@Override
public void notifyCacheEntryPassivated(Object key, Object value, boolean pre, InvocationContext ctx, FlagAffectedCommand command) {
if (isNotificationAllowed(command, cacheEntryPassivatedListeners)) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_PASSIVATED);
e.setPre(pre);
e.setKey(key);
e.setValue(value);
boolean isLocalNodePrimaryOwner = clusteringDependentLogic.localNodeIsPrimaryOwner(key);
for (ListenerInvocation listener : cacheEntryPassivatedListeners) listener.invoke(e, isLocalNodePrimaryOwner);
}
}
@Override
public void notifyTransactionCompleted(GlobalTransaction transaction, boolean successful, InvocationContext ctx) {
if (!transactionCompletedListeners.isEmpty()) {
boolean isOriginLocal = ctx.isOriginLocal();
EventImpl<Object, Object> e = EventImpl.createEvent(cache, TRANSACTION_COMPLETED);
e.setOriginLocal(isOriginLocal);
e.setTransactionId(transaction);
e.setTransactionSuccessful(successful);
for (ListenerInvocation listener : transactionCompletedListeners) listener.invoke(e);
}
}
@Override
public void notifyTransactionRegistered(GlobalTransaction globalTransaction, boolean isOriginLocal) {
if (!transactionRegisteredListeners.isEmpty()) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, TRANSACTION_REGISTERED);
e.setOriginLocal(isOriginLocal);
e.setTransactionId(globalTransaction);
for (ListenerInvocation listener : transactionRegisteredListeners) listener.invoke(e);
}
}
@Override
public void notifyDataRehashed(ConsistentHash oldCH, ConsistentHash newCH, int newTopologyId, boolean pre) {
if (!dataRehashedListeners.isEmpty()) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, DATA_REHASHED);
e.setPre(pre);
e.setConsistentHashAtStart(oldCH);
e.setConsistentHashAtEnd(newCH);
e.setNewTopologyId(newTopologyId);
for (ListenerInvocation listener : dataRehashedListeners) listener.invoke(e);
}
}
@Override
public void notifyTopologyChanged(ConsistentHash oldConsistentHash, ConsistentHash newConsistentHash, int newTopologyId, boolean pre) {
if (!topologyChangedListeners.isEmpty()) {
EventImpl<Object, Object> e = EventImpl.createEvent(cache, TOPOLOGY_CHANGED);
e.setPre(pre);
e.setConsistentHashAtStart(oldConsistentHash);
e.setConsistentHashAtEnd(newConsistentHash);
e.setNewTopologyId(newTopologyId);
for (ListenerInvocation listener : topologyChangedListeners) listener.invoke(e);
}
}
@Override
public void notifyClusterListeners(Collection<? extends Event> events, UUID uuid) {
for (Event event : events) {
if (event.isPre()) {
throw new IllegalArgumentException("Events for cluster listener should never be pre change");
}
switch (event.getType()) {
case CACHE_ENTRY_MODIFIED:
for (ListenerInvocation listener : cacheEntryModifiedListeners) {
if (listener.clustered && uuid.equals(listener.generatedId)) {
// We bypass any check to force invocation
listener.invoke(event, true, true);
}
}
break;
case CACHE_ENTRY_CREATED:
for (ListenerInvocation listener : cacheEntryCreatedListeners) {
if (listener.clustered && uuid.equals(listener.generatedId)) {
// We bypass any check to force invocation
listener.invoke(event, true, true);
}
}
break;
case CACHE_ENTRY_REMOVED:
for (ListenerInvocation listener : cacheEntryRemovedListeners) {
if (listener.clustered && uuid.equals(listener.generatedId)) {
// We bypass any check to force invocation
listener.invoke(event, true, true);
}
}
break;
default:
throw new IllegalArgumentException("Unexpected event type encountered!");
}
}
}
@Override
public Collection<DistributedCallable> retrieveClusterListenerCallablesToInstall() {
Set<Object> enlistedAlready = new HashSet<Object>();
Set<DistributedCallable> callables = new HashSet<DistributedCallable>();
if (log.isTraceEnabled()) {
log.tracef("Request received to get cluster listeners currently registered");
}
registerClusterListenerCallablesToInstall(enlistedAlready, callables, cacheEntryModifiedListeners);
registerClusterListenerCallablesToInstall(enlistedAlready, callables, cacheEntryCreatedListeners);
registerClusterListenerCallablesToInstall(enlistedAlready, callables, cacheEntryRemovedListeners);
if (log.isTraceEnabled()) {
log.tracef("Cluster listeners found %s", callables);
}
return callables;
}
private void registerClusterListenerCallablesToInstall(Set<Object> enlistedAlready,
Set<DistributedCallable> callables,
List<ListenerInvocation> listenerInvocations) {
for (ListenerInvocation listener : listenerInvocations) {
if (!enlistedAlready.contains(listener.target)) {
// If clustered means it is local - so use our address
if (listener.clustered) {
callables.add(new ClusterListenerReplicateCallable(listener.generatedId,
cache.getCacheManager().getAddress(), listener.filter,
listener.converter));
enlistedAlready.add(listener.target);
}
else if (listener.target instanceof RemoteClusterListener) {
RemoteClusterListener lcl = (RemoteClusterListener)listener.target;
callables.add(new ClusterListenerReplicateCallable(lcl.getId(), lcl.getOwnerAddress(), listener.filter,
listener.converter));
enlistedAlready.add(listener.target);
}
}
}
}
public boolean isNotificationAllowed(
FlagAffectedCommand cmd, List<ListenerInvocation> listeners) {
return (cmd == null || !cmd.hasFlag(Flag.SKIP_LISTENER_NOTIFICATION))
&& !listeners.isEmpty();
}
@Override
public void addListener(Object listener, KeyFilter filter, ClassLoader classLoader) {
validateAndAddListenerInvocation(listener, new KeyFilterAsKeyValueFilter(filter), null, classLoader);
}
@Override
public void addListener(Object listener, KeyFilter filter) {
addListener(listener, filter, null);
}
@Override
public <K, V, C> void addListener(Object listener, KeyValueFilter<K, V> filter, Converter<K, V, C> converter) {
validateAndAddListenerInvocation(listener, filter, converter, null);
}
@Override
protected void addedListener(Object listener, UUID generatedId, boolean hasClusteredMethods, KeyValueFilter filter,
Converter converter) {
if (hasClusteredMethods) {
if (config.clustering().cacheMode().isInvalidation()) {
throw new UnsupportedOperationException("Cluster listeners cannot be used with Invalidation Caches!");
}
clusterListenerIDs.put(listener, generatedId);
EmbeddedCacheManager manager = cache.getCacheManager();
Address ourAddress = manager.getAddress();
List<Address> members = manager.getMembers();
// If we are the only member don't even worry about sending listeners
if (members.size() > 1) {
DistributedExecutionCompletionService decs = new DistributedExecutionCompletionService(distExecutorService);
log.tracef("Replicating cluster listener to other nodes %s for cluster listener with id %s",
members, generatedId);
Callable callable = new ClusterListenerReplicateCallable(generatedId, ourAddress, filter, converter);
for (Address member : members) {
if (!member.equals(ourAddress)) {
decs.submit(member, callable);
}
}
for (int i = 0; i < members.size() - 1; ++i) {
try {
decs.take().get();
} catch (InterruptedException e) {
throw new CacheListenerException(e);
} catch (ExecutionException e) {
throw new CacheListenerException(e);
}
}
int extraCount = 0;
// If anyone else joined since we sent these we have to send the listeners again, since they may have queried
// before the other nodes got the new listener
List<Address> membersAfter = manager.getMembers();
for (Address member : membersAfter) {
if (!members.contains(member) && !member.equals(ourAddress)) {
log.tracef("Found additional node %s that joined during replication of cluster listener with id %s",
member, generatedId);
extraCount++;
decs.submit(member, callable);
}
}
for (int i = 0; i < extraCount; ++i) {
try {
decs.take().get();
} catch (InterruptedException e) {
throw new CacheListenerException(e);
} catch (ExecutionException e) {
throw new CacheListenerException(e);
}
}
}
}
}
@Override
protected ListenerInvocation createListenerInvocation(Object listener, Method m, Listener l, KeyValueFilter filter,
Converter converter, ClassLoader classLoader, UUID generatedId, Subject subject) {
// If we are dealing with clustered events that forces the cluster listener to only use primary only else we would
// have duplicate events
return new ListenerInvocation(listener, m, l.sync(), l.clustered() ? true : l.primaryOnly(), l.clustered(),
filter, converter, classLoader, generatedId, subject);
}
@Override
public void removeListener(Object listener) {
super.removeListener(listener);
UUID id = clusterListenerIDs.remove(listener);
if (id != null) {
List<Future<?>> futures = distExecutorService.submitEverywhere(new ClusterListenerRemoveCallable(id));
for (Future<?> future : futures) {
try {
future.get();
} catch (InterruptedException e) {
throw new CacheListenerException(e);
} catch (ExecutionException e) {
throw new CacheListenerException(e);
}
}
}
}
}