package org.jboss.errai.bus.server.websocket.jsr356.weld.request;
import org.jboss.errai.bus.server.websocket.jsr356.weld.ScopeAdapter;
import org.jboss.errai.bus.server.websocket.jsr356.weld.SyncBeanStore;
import org.jboss.weld.context.bound.BoundRequestContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Adapter for {@link javax.enterprise.context.RequestScoped}
*
* @author Michel Werren
*/
public class WeldRequestScopeAdapter implements ScopeAdapter {
private static final Logger LOGGER = LoggerFactory.getLogger(WeldRequestScopeAdapter.class.getName());
private static WeldRequestScopeAdapter instance;
private final BoundRequestContext requestContext;
private static final ThreadLocal<SyncBeanStore> CURRENT_BEAN_STORE = new ThreadLocal<SyncBeanStore>();
private WeldRequestScopeAdapter(BoundRequestContext requestContext) {
this.requestContext = requestContext;
}
public static WeldRequestScopeAdapter getInstance() {
if (instance == null) {
throw new IllegalStateException("Adapter not initialized!");
}
return instance;
}
public static void init(BoundRequestContext context) {
if (instance == null) {
instance = new WeldRequestScopeAdapter(context);
}
}
@Override
public void activateContext() {
if (!requestContext.isActive()) {
final SyncBeanStore syncBeanStore = new SyncBeanStore();
CURRENT_BEAN_STORE.set(syncBeanStore);
if (requestContext.associate(syncBeanStore)) {
requestContext.activate();
}
else {
LOGGER.error("could not associate request context");
}
}
}
@Override
public void invalidateContext() {
requestContext.invalidate();
deactivateContext();
}
@Override
public void deactivateContext() {
requestContext.deactivate();
requestContext.dissociate(getCurrentBeanStore());
CURRENT_BEAN_STORE.remove();
}
public static SyncBeanStore getCurrentBeanStore() {
return CURRENT_BEAN_STORE.get();
}
}