/*
* 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;
}