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package org.glassfish.ha.store.adapter.cache;
import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.inject.Inject;
import org.glassfish.api.StartupRunLevel;
import org.glassfish.api.event.EventListener;
import org.glassfish.api.event.EventTypes;
import org.glassfish.api.event.Events;
import org.glassfish.ha.store.api.BackingStore;
import org.glassfish.ha.store.api.BackingStoreConfiguration;
import org.glassfish.ha.store.api.BackingStoreException;
import org.glassfish.ha.store.api.BackingStoreFactory;
import org.glassfish.ha.store.api.BackingStoreTransaction;
import org.glassfish.ha.store.spi.BackingStoreFactoryRegistry;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.runlevel.RunLevel;
import org.jvnet.hk2.annotations.Service;
/**
* @author Mahesh Kannan
*/
@Service(name = "replicated")
@RunLevel(StartupRunLevel.VAL)
public class ShoalBackingStoreProxy
implements PostConstruct, BackingStoreFactory {
@Inject
ServiceLocator habitat;
@Inject
Events events;
@Override
public BackingStore createBackingStore(BackingStoreConfiguration conf) throws BackingStoreException {
try {
BackingStoreFactory storeFactory = habitat.getService(BackingStoreFactory.class, "shoal-backing-store-factory");
return storeFactory.createBackingStore(conf);
} catch (IllegalStateException ex) {
String msg = "ReplicatedBackingStore requires GMS to be running in the target cluster before the application is deployed. ";
throw new BackingStoreException("Exception while creating replicated BackingStore. " + msg, ex);
} catch (Exception ex) {
throw new BackingStoreException("Exception while creating shoal cache", ex);
}
}
@Override
public void postConstruct() {
BackingStoreFactoryRegistry.register("replicated", this);
Logger.getLogger(ShoalBackingStoreProxy.class.getName()).log(Level.FINE, "Registered SHOAL BackingStore Proxy with persistence-type = replicated");
EventListener glassfishEventListener = new EventListener() {
@Override
public void event(Event event) {
if (event.is(EventTypes.SERVER_SHUTDOWN)) {
BackingStoreFactoryRegistry.unregister("replicated");
Logger.getLogger(ShoalBackingStoreProxy.class.getName()).log(Level.FINE, "Unregistered SHOAL BackingStore Proxy with persistence-type = replicated");
} // else if (event.is(EventTypes.SERVER_READY)) { }
}
};
events.register(glassfishEventListener);
}
@Override
public BackingStoreTransaction createBackingStoreTransaction() {
try {
BackingStoreFactory storeFactory = habitat.getService(BackingStoreFactory.class, "shoal-backing-store-factory");
return storeFactory.createBackingStoreTransaction();
} catch (Exception ex) {
//FIXME avoid runtime exception
throw new RuntimeException("Exception while creating shoal cache", ex);
}
}
}