/* * Copyright (c) 2009-2010 Lockheed Martin Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.eurekastreams.server.service.actions.strategies; import org.eurekastreams.commons.actions.context.Principal; /** * Finds an entity. * * @param <T> * the entity type. */ public interface EntityFinder<T> { /** * Finds an entity. * * @param user * the currently logged in user. * @param id * the id of the entity to find. * @return the entity. * @throws Exception * an exception if the user isn't permitted. */ T findEntity(Principal user, String id) throws Exception; /** * Finds an entity. * * @param user * the currently logged in user. * @param id * the id of the entity to find. * @return the entity. * @throws Exception * an exception if the user isn't permitted. */ T findEntity(Principal user, Long id) throws Exception; }