package org.infinispan.factories;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;
import org.infinispan.Cache;
import org.infinispan.commons.CacheConfigurationException;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.configuration.cache.RecoveryConfiguration;
import org.infinispan.factories.annotations.DefaultFactoryFor;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.registry.InternalCacheRegistry;
import org.infinispan.transaction.TransactionMode;
import org.infinispan.transaction.xa.recovery.RecoveryAwareRemoteTransaction;
import org.infinispan.transaction.xa.recovery.RecoveryInfoKey;
import org.infinispan.transaction.xa.recovery.RecoveryManager;
import org.infinispan.transaction.xa.recovery.RecoveryManagerImpl;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
/**
* Factory for RecoveryManager.
*
* @author Mircea.Markus@jboss.com
* @since 5.0
*/
@DefaultFactoryFor(classes = {RecoveryManager.class})
public class RecoveryManagerFactory extends AbstractNamedCacheComponentFactory implements AutoInstantiableFactory {
private static final Log log = LogFactory.getLog(RecoveryManagerFactory.class);
private static final long DEFAULT_EXPIRY = TimeUnit.HOURS.toMillis(6);
@Override
@SuppressWarnings("unchecked")
public <RecoveryManager> RecoveryManager construct(Class<RecoveryManager> componentType) {
if (configuration.transaction().recovery().enabled()) {
String recoveryCacheName = configuration.transaction().recovery().recoveryInfoCacheName();
log.tracef("Using recovery cache name %s", recoveryCacheName);
EmbeddedCacheManager cm = componentRegistry.getGlobalComponentRegistry().getComponent(EmbeddedCacheManager.class);
boolean useDefaultCache = recoveryCacheName.equals(RecoveryConfiguration.DEFAULT_RECOVERY_INFO_CACHE);
//if use a defined cache
if (!useDefaultCache) {
// check to see that the cache is defined
if (!cm.getCacheConfigurationNames().contains(recoveryCacheName)) {
throw new CacheConfigurationException("Recovery cache (" + recoveryCacheName + ") does not exist!!");
}
} else {
InternalCacheRegistry internalCacheRegistry = componentRegistry.getGlobalComponentRegistry().getComponent(InternalCacheRegistry.class);
internalCacheRegistry.registerInternalCache(recoveryCacheName, getDefaultRecoveryCacheConfig());
}
return (RecoveryManager) buildRecoveryManager(componentRegistry.getCacheName(),
recoveryCacheName, cm, useDefaultCache);
} else {
return null;
}
}
private Configuration getDefaultRecoveryCacheConfig() {
ConfigurationBuilder builder = new ConfigurationBuilder();
//the recovery cache should not participate in main cache's transactions, especially because removals
// from this cache are executed in the context of a finalised transaction and cause issues.
builder.transaction().transactionMode(TransactionMode.NON_TRANSACTIONAL);
builder.clustering().cacheMode(CacheMode.LOCAL);
builder.expiration().lifespan(DEFAULT_EXPIRY);
builder.transaction().recovery().disable();
return builder.build();
}
private RecoveryManager buildRecoveryManager(String cacheName, String recoveryCacheName, EmbeddedCacheManager cm, boolean isDefault) {
log.tracef("About to obtain a reference to the recovery cache: %s", recoveryCacheName);
Cache<?, ?> recoveryCache = cm.getCache(recoveryCacheName);
if (recoveryCache.getCacheConfiguration().transaction().transactionMode().isTransactional()) {
//see comment in getDefaultRecoveryCacheConfig
throw new CacheConfigurationException("The recovery cache shouldn't be transactional.");
}
log.tracef("Obtained a reference to the recovery cache: %s", recoveryCacheName);
return new RecoveryManagerImpl((ConcurrentMap<RecoveryInfoKey, RecoveryAwareRemoteTransaction>) recoveryCache, cacheName);
}
}