/jboss-as-7.1.1.Final/clustering/ejb3-infinispan/src/main/java/org/jboss/as/clustering/ejb3/cache/backing/infinispan/InfinispanBackingCacheEntryStore.java
Java | 343 lines | 281 code | 35 blank | 27 comment | 26 complexity | 5c27310d7072dfa79bc2053fd2f45977 MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- /*
- * JBoss, Home of Professional Open Source.
- * Copyright 2011, Red Hat Middleware LLC, and individual contributors
- * as indicated by the @author tags. See the copyright.txt file in the
- * distribution for a full listing of individual contributors.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this software; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
- */
- package org.jboss.as.clustering.ejb3.cache.backing.infinispan;
- import java.io.IOException;
- import java.io.Serializable;
- import java.util.Collections;
- import java.util.List;
- import java.util.Map;
- import java.util.Random;
- import java.util.Set;
- import org.infinispan.Cache;
- import org.infinispan.context.Flag;
- import org.infinispan.distribution.DataLocality;
- import org.infinispan.distribution.DistributionManager;
- import org.infinispan.notifications.Listener;
- import org.infinispan.notifications.cachelistener.annotation.CacheEntryActivated;
- import org.infinispan.notifications.cachelistener.annotation.CacheEntryPassivated;
- import org.infinispan.notifications.cachelistener.event.CacheEntryActivatedEvent;
- import org.infinispan.notifications.cachelistener.event.CacheEntryPassivatedEvent;
- import org.infinispan.remoting.transport.Address;
- import org.jboss.as.clustering.MarshalledValue;
- import org.jboss.as.clustering.MarshalledValueFactory;
- import org.jboss.as.clustering.infinispan.invoker.BatchOperation;
- import org.jboss.as.clustering.infinispan.invoker.CacheInvoker;
- import org.jboss.as.clustering.lock.SharedLocalYieldingClusterLockManager;
- import org.jboss.as.clustering.lock.SharedLocalYieldingClusterLockManager.LockResult;
- import org.jboss.as.clustering.lock.TimeoutException;
- import org.jboss.as.clustering.registry.Registry;
- import org.jboss.as.ejb3.cache.Cacheable;
- import org.jboss.as.ejb3.cache.PassivationManager;
- import org.jboss.as.ejb3.cache.impl.backing.clustering.ClusteredBackingCacheEntryStoreConfig;
- import org.jboss.as.ejb3.cache.spi.BackingCacheEntry;
- import org.jboss.as.ejb3.cache.spi.GroupCompatibilityChecker;
- import org.jboss.as.ejb3.cache.spi.impl.AbstractBackingCacheEntryStore;
- import org.jboss.as.ejb3.component.stateful.StatefulTimeoutInfo;
- import org.jboss.ejb.client.Affinity;
- import org.jboss.ejb.client.ClusterAffinity;
- import org.jboss.ejb.client.NodeAffinity;
- import org.jboss.logging.Logger;
- /**
- * Infinispan-based backing cache entry store.
- * @author Paul Ferraro
- */
- @Listener
- public class InfinispanBackingCacheEntryStore<K extends Serializable, V extends Cacheable<K>, E extends BackingCacheEntry<K, V>, C> extends AbstractBackingCacheEntryStore<K, V, E>{
- private final Logger log = Logger.getLogger(getClass());
- private final SharedLocalYieldingClusterLockManager lockManager;
- private final LockKeyFactory<K, C> lockKeyFactory;
- private final MarshalledValueFactory<C> keyFactory;
- private final MarshalledValueFactory<C> valueFactory;
- private final C context;
- private final boolean controlCacheLifecycle;
- private final Cache<MarshalledValue<K, C>, MarshalledValue<E, C>> cache;
- private final CacheInvoker invoker;
- private final PassivationManager<K, E> passivationManager;
- private final boolean clustered;
- private final Random random = new Random(System.currentTimeMillis());
- private final Registry<String, ?> registry;
- public InfinispanBackingCacheEntryStore(Cache<MarshalledValue<K, C>, MarshalledValue<E, C>> cache, CacheInvoker invoker, PassivationManager<K, E> passivationManager, StatefulTimeoutInfo timeout, ClusteredBackingCacheEntryStoreConfig config, boolean controlCacheLifecycle, MarshalledValueFactory<C> keyFactory, MarshalledValueFactory<C> valueFactory, C context, SharedLocalYieldingClusterLockManager lockManager, LockKeyFactory<K, C> lockKeyFactory, Registry<String, ?> registry) {
- super(timeout, config);
- this.cache = cache;
- this.invoker = invoker;
- this.passivationManager = passivationManager;
- this.controlCacheLifecycle = controlCacheLifecycle;
- this.clustered = cache.getCacheConfiguration().clustering().cacheMode().isClustered();
- this.keyFactory = keyFactory;
- this.valueFactory = valueFactory;
- this.context = context;
- this.lockManager = this.clustered ? lockManager : null;
- this.lockKeyFactory = lockKeyFactory;
- this.registry = registry;
- }
- @Override
- public void start() {
- if (this.controlCacheLifecycle) {
- this.cache.start();
- }
- }
- @Override
- public void stop() {
- if (this.controlCacheLifecycle) {
- this.cache.stop();
- }
- }
- @Override
- public boolean hasAffinity(K key) {
- DistributionManager dist = this.cache.getAdvancedCache().getDistributionManager();
- if (dist != null) {
- DataLocality locality = dist.getLocality(key);
- return locality.isLocal() || locality.isUncertain();
- }
- return true;
- }
- @Override
- public Affinity getStrictAffinity() {
- return new ClusterAffinity(this.cache.getCacheManager().getClusterName());
- }
- @Override
- public Affinity getWeakAffinity(K key) {
- if (!this.hasAffinity(key)) {
- // Locate nodes on which the cache entry will reside
- List<Address> addresses = this.cache.getAdvancedCache().getDistributionManager().locate(key);
- if (!addresses.contains(this.cache.getCacheManager().getAddress())) {
- // Otherwise choose random node from hash targets
- Map.Entry<String, ?> entry = this.registry.getRemoteEntry(addresses.get(random.nextInt(addresses.size())));
- if (entry != null) {
- return new NodeAffinity(entry.getKey());
- }
- }
- }
- return new NodeAffinity(this.registry.getLocalEntry().getKey());
- }
- @Override
- public Set<K> insert(E entry) {
- K id = entry.getId();
- this.trace("insert(%s)", id);
- final MarshalledValue<K, C> key = this.marshalKey(id);
- this.acquireSessionOwnership(key, true);
- try {
- final MarshalledValue<E, C> value = this.marshalEntry(entry);
- Operation<Void> operation = new Operation<Void>() {
- @Override
- public Void invoke(Cache<MarshalledValue<K, C>, MarshalledValue<E, C>> cache) {
- cache.getAdvancedCache().withFlags(Flag.SKIP_REMOTE_LOOKUP).put(key, value);
- return null;
- }
- };
- this.invoke(operation);
- } finally {
- this.releaseSessionOwnership(key, false);
- }
- return Collections.emptySet();
- }
- @Override
- public E get(K id, boolean lock) {
- this.trace("get(%s. %s)", id, lock);
- final MarshalledValue<K, C> key = this.marshalKey(id);
- if (lock) {
- this.acquireSessionOwnership(key, false);
- }
- Operation<MarshalledValue<E, C>> operation = new Operation<MarshalledValue<E, C>>() {
- @Override
- public MarshalledValue<E, C> invoke(Cache<MarshalledValue<K, C>, MarshalledValue<E, C>> cache) {
- return cache.get(key);
- }
- };
- return this.unmarshalEntry(id, this.invoke(operation));
- }
- @Override
- public void update(E entry, boolean modified) {
- K id = entry.getId();
- this.trace("update(%s, %s)", id, modified);
- final MarshalledValue<K, C> key = this.marshalKey(id);
- try {
- if (modified) {
- final MarshalledValue<E, C> value = this.marshalEntry(entry);
- Operation<Void> operation = new Operation<Void>() {
- @Override
- public Void invoke(Cache<MarshalledValue<K, C>, MarshalledValue<E, C>> cache) {
- cache.getAdvancedCache().withFlags(Flag.SKIP_REMOTE_LOOKUP).put(key, value);
- return null;
- }
- };
- this.invoke(operation);
- }
- } finally {
- this.releaseSessionOwnership(key, false);
- }
- }
- @Override
- public E remove(K id) {
- this.trace("remove(%s)", id);
- final MarshalledValue<K, C> key = this.marshalKey(id);
- Operation<MarshalledValue<E, C>> operation = new Operation<MarshalledValue<E, C>>() {
- @Override
- public MarshalledValue<E, C> invoke(Cache<MarshalledValue<K, C>, MarshalledValue<E, C>> cache) {
- return cache.remove(key);
- }
- };
- try {
- return this.unmarshalEntry(id, this.invoke(operation));
- } finally {
- this.releaseSessionOwnership(key, true);
- }
- }
- private <R> R invoke(Operation<R> operation) {
- return this.invoker.invoke(this.cache, new BatchOperation<MarshalledValue<K, C>, MarshalledValue<E, C>, R>(operation));
- }
- private MarshalledValue<K, C> marshalKey(K key) {
- try {
- return this.keyFactory.createMarshalledValue(key);
- } catch (IOException e) {
- throw InfinispanEjbMessages.MESSAGES.serializationFailure(e, key);
- }
- }
- private K unmarshalKey(MarshalledValue<K, C> key) {
- try {
- return key.get(this.context);
- } catch (Exception e) {
- throw InfinispanEjbMessages.MESSAGES.deserializationFailure(e, key);
- }
- }
- private MarshalledValue<E, C> marshalEntry(E value) {
- try {
- return this.valueFactory.createMarshalledValue(value);
- } catch (IOException e) {
- throw InfinispanEjbMessages.MESSAGES.serializationFailure(e, value.getId());
- }
- }
- private E unmarshalEntry(K id, MarshalledValue<E, C> value) {
- if (value == null) return null;
- try {
- return value.get(this.context);
- } catch (Exception e) {
- throw InfinispanEjbMessages.MESSAGES.deserializationFailure(e, id);
- }
- }
- private LockResult acquireSessionOwnership(MarshalledValue<K, C> key, boolean newLock) {
- if (this.lockManager == null) return null;
- Serializable lockKey = this.lockKeyFactory.createLockKey(key);
- this.trace("Acquiring %slock on %s", newLock ? "new " : "", lockKey);
- long timeout = this.cache.getCacheConfiguration().locking().lockAcquisitionTimeout();
- try {
- LockResult result = this.lockManager.lock(lockKey, timeout, newLock);
- this.trace("Lock acquired (%s) on %s", result, lockKey);
- return result;
- } catch (TimeoutException e) {
- throw InfinispanEjbMessages.MESSAGES.lockAcquisitionTimeout(lockKey, timeout);
- } catch (InterruptedException e) {
- Thread.currentThread().interrupt();
- throw InfinispanEjbMessages.MESSAGES.lockAcquisitionInterruption(e, lockKey);
- }
- }
- private void releaseSessionOwnership(MarshalledValue<K, C> key, boolean remove) {
- if (this.lockManager != null) {
- Serializable lockKey = this.lockKeyFactory.createLockKey(key);
- this.trace("Releasing %slock on %s", remove ? "and removing " : "", lockKey);
- this.lockManager.unlock(lockKey, remove);
- this.trace("Released %slock on %s", remove ? "and removed " : "", lockKey);
- }
- }
- @Override
- public void passivate(E entry) {
- final MarshalledValue<K, C> key = this.marshalKey(entry.getId());
- Operation<Void> operation = new Operation<Void>() {
- @Override
- public Void invoke(Cache<MarshalledValue<K, C>, MarshalledValue<E, C>> cache) {
- cache.evict(key);
- return null;
- }
- };
- this.invoker.invoke(this.cache, operation);
- }
- @Override
- public boolean isClustered() {
- return this.clustered;
- }
- @Override
- public boolean isCompatibleWith(GroupCompatibilityChecker other) {
- if (other instanceof InfinispanBackingCacheEntryStore) {
- InfinispanBackingCacheEntryStore<?, ?, ?, ?> store = (InfinispanBackingCacheEntryStore<?, ?, ?, ?>) other;
- return this.cache.getCacheManager() == store.cache.getCacheManager();
- }
- return false;
- }
- @CacheEntryActivated
- public void activated(CacheEntryActivatedEvent<MarshalledValue<K, C>, MarshalledValue<E, C>> event) {
- if ((this.passivationManager != null) && !event.isPre()){
- K key = this.unmarshalKey(event.getKey());
- this.trace("activated(%s)", key);
- this.passivationManager.postActivate(this.unmarshalEntry(key, event.getValue()));
- }
- }
- @CacheEntryPassivated
- public void passivated(CacheEntryPassivatedEvent<MarshalledValue<K, C>, MarshalledValue<E, C>> event) {
- if ((this.passivationManager != null) && event.isPre()) {
- K key = this.unmarshalKey(event.getKey());
- this.trace("passivated(%s)", key);
- this.passivationManager.prePassivate(this.unmarshalEntry(key, event.getValue()));
- }
- }
- abstract class Operation<R> implements CacheInvoker.Operation<MarshalledValue<K, C>, MarshalledValue<E, C>, R> {
- }
- private void trace(String message, Object... args) {
- if (this.log.isTraceEnabled()) {
- this.log.tracef(message, args);
- }
- }
- }