package eu.dnetlib.server;

import java.util.Date;
import java.util.concurrent.ConcurrentHashMap;

import eu.dnetlib.client.shared.Data;

//TODO : make server work either with serilazed components
//or generics in order to avoid repetition of functions.
public interface NotificationCache {

	// ITEMS
	//
	public void add(String component);

	public void deleted(String component);

	public void update(String component);

	public void purgeActive();

	public void purge();

	public void markComponent(String componentId, String userId);

	public void unmarkComponent(String componentId, String userId);

	public void registerUser(String user);

	public void removeUser(String user);

	public ConcurrentHashMap<String, Date> getRegisteredUsers();

	public Data receiveUpdates(String user);

}