package org.jboss.seam.cache;
import static org.jboss.seam.ScopeType.APPLICATION;
import static org.jboss.seam.annotations.Install.BUILT_IN;
import java.lang.reflect.Method;
import org.jboss.cache.Cache;
import org.jboss.cache.CacheFactory;
import org.jboss.cache.DefaultCacheFactory;
import org.jboss.cache.Fqn;
import org.jboss.seam.annotations.AutoCreate;
import org.jboss.seam.annotations.Create;
import org.jboss.seam.annotations.Destroy;
import org.jboss.seam.annotations.Install;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.annotations.intercept.BypassInterceptors;
import org.jboss.seam.log.LogProvider;
import org.jboss.seam.log.Logging;
import org.jboss.seam.util.Reflections;
/**
* Implementation of CacheProvider backed by JBoss Cache 2.x. for simple
* objects.
*
* @author Sebastian Hennebrueder
* @author Pete Muir
*/
@Name("org.jboss.seam.cache.cacheProvider")
@Scope(APPLICATION)
@BypassInterceptors
@Install(value = false, precedence = BUILT_IN, classDependencies = {"org.jboss.cache.Cache", "org.jgroups.MembershipListener"})
@AutoCreate
public class JbossCache2Provider
extends AbstractJBossCacheProvider<Cache>
{
private org.jboss.cache.Cache cache;
private static final LogProvider log = Logging.getLogProvider(JbossCache2Provider.class);
private static Method GET;
private static Method PUT;
private static Method REMOVE;
private static Method REMOVE_NODE;
static {
try {
GET = Cache.class.getDeclaredMethod("get", Fqn.class, Object.class);
PUT = Cache.class.getDeclaredMethod("put", Fqn.class, Object.class, Object.class);
REMOVE = Cache.class.getDeclaredMethod("remove", Fqn.class, Object.class);
REMOVE_NODE = Cache.class.getDeclaredMethod("removeNode", Fqn.class);
} catch (Exception e) {
throw new IllegalStateException("Unable to use JBoss Cache 2", e);
}
}
@Create
public void create() {
log.debug("Starting JBoss Cache");
try {
CacheFactory factory = new DefaultCacheFactory();
cache = factory.createCache(getConfigurationAsStream());
cache.create();
cache.start();
} catch (Exception e) {
//log.error(e, e);
throw new IllegalStateException("Error starting JBoss Cache", e);
}
}
@Destroy
public void destroy() {
log.debug("Stopping JBoss Cache");
try {
cache.stop();
cache.destroy();
cache = null;
} catch (Exception e) {
throw new IllegalStateException("Error stopping JBoss Cache", e);
}
}
@Override
public Object get(String region, String key) {
return Reflections.invokeAndWrap(GET, cache, getFqn(region), key);
}
@Override
public void put(String region, String key, Object object) {
Reflections.invokeAndWrap(PUT, cache, getFqn(region), key, object);
}
@Override
public void remove(String region, String key) {
Reflections.invokeAndWrap(REMOVE, cache, getFqn(region), key);
}
@Override
public void clear() {
Reflections.invokeAndWrap(REMOVE_NODE, cache, getFqn(null));
}
@Override
public Cache getDelegate() {
return cache;
}
}