package com.dexels.oauth.api;

/**
 * A User can have multiple applications. The username is globally unique and
 * primary key. 
 * 
 * If the username should be changeable by the user, one has to create a new
 * user and decide whether or not to keep the old user and optionally change
 * references to the old user to the new user.
 * 
 * Furthermore, the User can also be not yet activated. That means that the user
 * should use the {@link ActivationToken}. If an User that has not yet been
 * activated tries to login or register, we invalidate the previous
 * {@link ActivationToken} and issue a new one.
 * 
 */
public interface User {
	public String getUsername();
	
	public String getHashedPassword();

	public boolean isActivated();

	public boolean hasApplication(String applicationId);

}