private Cache<String, Object> getCacheForGroupOrCreateIt(String group) {
Cache<String, Object> cache = cacheManager.getCache(group, String.class, Object.class);
if (cache == null) {
synchronized (lock) {
cache = cacheManager.getCache(group, String.class, Object.class);
if (cache == null) {
cache =
cacheManager.createCache(
group, cacheTemplate.buildConfig(String.class, Object.class));
}
}
}
return cache;
}
@SuppressWarnings({"rawtypes", "unchecked"})
private void parseConfiguration()
throws ClassNotFoundException, IOException, SAXException, InstantiationException,
IllegalAccessException {
LOGGER.info("Loading Ehcache XML configuration from {}.", xml.getPath());
ConfigurationParser configurationParser =
new ConfigurationParser(xml.toExternalForm(), CORE_SCHEMA_URL);
final ArrayList<ServiceCreationConfiguration<?>> serviceConfigs =
new ArrayList<ServiceCreationConfiguration<?>>();
for (ServiceType serviceType : configurationParser.getServiceElements()) {
if (serviceType.getDefaultSerializers() != null) {
DefaultSerializationProviderConfiguration configuration =
new DefaultSerializationProviderConfiguration();
for (SerializerType.Serializer serializer :
serviceType.getDefaultSerializers().getSerializer()) {
try {
configuration.addSerializerFor(
getClassForName(serializer.getType(), classLoader),
(Class) getClassForName(serializer.getValue(), classLoader));
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
serviceConfigs.add(configuration);
} else if (serviceType.getPersistence() != null) {
serviceConfigs.add(
new CacheManagerPersistenceConfiguration(
new File(serviceType.getPersistence().getDirectory())));
} else {
final ServiceCreationConfiguration<?> serviceConfiguration1 =
configurationParser.parseExtension((Element) serviceType.getAny());
serviceConfigs.add(serviceConfiguration1);
}
}
for (ServiceCreationConfiguration<?> serviceConfiguration :
Collections.unmodifiableList(serviceConfigs)) {
serviceConfigurations.add(serviceConfiguration);
}
for (ConfigurationParser.CacheDefinition cacheDefinition :
configurationParser.getCacheElements()) {
CacheConfigurationBuilder<Object, Object> builder =
CacheConfigurationBuilder.newCacheConfigurationBuilder();
String alias = cacheDefinition.id();
ClassLoader cacheClassLoader = cacheClassLoaders.get(alias);
if (cacheClassLoader != null) {
builder = builder.withClassLoader(cacheClassLoader);
}
if (cacheClassLoader == null) {
if (classLoader != null) {
cacheClassLoader = classLoader;
} else {
cacheClassLoader = ClassLoading.getDefaultClassLoader();
}
}
Class keyType = getClassForName(cacheDefinition.keyType(), cacheClassLoader);
Class valueType = getClassForName(cacheDefinition.valueType(), cacheClassLoader);
if (cacheDefinition.keySerializer() != null) {
Class keySerializer = getClassForName(cacheDefinition.keySerializer(), cacheClassLoader);
builder =
builder.add(
new DefaultSerializerConfiguration(
keySerializer, DefaultSerializerConfiguration.Type.KEY));
}
if (cacheDefinition.valueSerializer() != null) {
Class valueSerializer =
getClassForName(cacheDefinition.valueSerializer(), cacheClassLoader);
builder =
builder.add(
new DefaultSerializerConfiguration(
valueSerializer, DefaultSerializerConfiguration.Type.VALUE));
}
EvictionVeto evictionVeto =
getInstanceOfName(cacheDefinition.evictionVeto(), cacheClassLoader, EvictionVeto.class);
EvictionPrioritizer evictionPrioritizer =
getInstanceOfName(
cacheDefinition.evictionPrioritizer(),
cacheClassLoader,
EvictionPrioritizer.class,
Eviction.Prioritizer.class);
final ConfigurationParser.Expiry parsedExpiry = cacheDefinition.expiry();
if (parsedExpiry != null) {
builder = builder.withExpiry(getExpiry(cacheClassLoader, parsedExpiry));
}
ResourcePoolsBuilder resourcePoolsBuilder = newResourcePoolsBuilder();
for (ResourcePool resourcePool : cacheDefinition.resourcePools()) {
resourcePoolsBuilder =
resourcePoolsBuilder.with(
resourcePool.getType(),
resourcePool.getSize(),
resourcePool.getUnit(),
resourcePool.isPersistent());
}
builder = builder.withResourcePools(resourcePoolsBuilder);
for (ServiceConfiguration<?> serviceConfig : cacheDefinition.serviceConfigs()) {
builder = builder.add(serviceConfig);
}
if (cacheDefinition.loaderWriter() != null) {
final Class<CacheLoaderWriter<?, ?>> cacheLoaderWriterClass =
(Class<CacheLoaderWriter<?, ?>>)
getClassForName(cacheDefinition.loaderWriter(), cacheClassLoader);
builder = builder.add(new DefaultCacheLoaderWriterConfiguration(cacheLoaderWriterClass));
if (cacheDefinition.writeBehind() != null) {
WriteBehind writeBehind = cacheDefinition.writeBehind();
WriteBehindConfigurationBuilder writeBehindConfigurationBuilder =
WriteBehindConfigurationBuilder.newWriteBehindConfiguration()
.concurrencyLevel(writeBehind.concurrency())
.queueSize(writeBehind.maxQueueSize())
.rateLimit(writeBehind.rateLimitPerSecond())
.retry(writeBehind.retryAttempts(), writeBehind.retryAttemptsDelay())
.delay(writeBehind.minWriteDelay(), writeBehind.maxWriteDelay());
if (writeBehind.isBatched()) {
writeBehindConfigurationBuilder =
writeBehindConfigurationBuilder.batchSize(writeBehind.batchSize());
}
if (writeBehind.isCoalesced()) {
writeBehindConfigurationBuilder = writeBehindConfigurationBuilder.enableCoalescing();
}
builder = builder.add(writeBehindConfigurationBuilder);
}
}
if (cacheDefinition.listeners() != null) {
for (ConfigurationParser.Listener listener : cacheDefinition.listeners()) {
final Class<CacheEventListener<?, ?>> cacheEventListenerClass =
(Class<CacheEventListener<?, ?>>)
getClassForName(listener.className(), cacheClassLoader);
final List<EventType> eventListToFireOn = listener.fireOn();
Set<org.ehcache.event.EventType> eventSetToFireOn =
new HashSet<org.ehcache.event.EventType>();
for (EventType events : eventListToFireOn) {
switch (events) {
case CREATED:
eventSetToFireOn.add(org.ehcache.event.EventType.CREATED);
break;
case EVICTED:
eventSetToFireOn.add(org.ehcache.event.EventType.EVICTED);
break;
case EXPIRED:
eventSetToFireOn.add(org.ehcache.event.EventType.EXPIRED);
break;
case UPDATED:
eventSetToFireOn.add(org.ehcache.event.EventType.UPDATED);
break;
case REMOVED:
eventSetToFireOn.add(org.ehcache.event.EventType.REMOVED);
break;
default:
throw new IllegalArgumentException("Invalid Event Type provided");
}
}
CacheEventListenerConfigurationBuilder listenerBuilder =
CacheEventListenerConfigurationBuilder.newEventListenerConfiguration(
cacheEventListenerClass, eventSetToFireOn)
.firingMode(EventFiring.valueOf(listener.eventFiring().value()))
.eventOrdering(EventOrdering.valueOf(listener.eventOrdering().value()));
builder = builder.add(listenerBuilder);
}
}
if (cacheDefinition.storeByValueOnHeap() != null) {
final OnHeapStoreServiceConfiguration onHeapStoreServiceConfig =
new OnHeapStoreServiceConfiguration();
onHeapStoreServiceConfig.storeByValue(cacheDefinition.storeByValueOnHeap());
builder = builder.add(onHeapStoreServiceConfig);
}
final CacheConfiguration<?, ?> config =
builder.buildConfig(keyType, valueType, evictionVeto, evictionPrioritizer);
cacheConfigurations.put(alias, config);
}
templates.putAll(configurationParser.getTemplates());
}