| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.sling.sample.slingshot.ratings; |
| |
| import org.apache.sling.api.resource.PersistenceException; |
| import org.apache.sling.api.resource.Resource; |
| |
| /** |
| * Service for handling the ratings |
| */ |
| public interface RatingsService { |
| |
| /** |
| * Return the path to the ratings resource for a resource. |
| * @param resource The content resource, this is usually an entry. |
| * @return The path to the ratings resource or {@code null} if |
| * the passed in content resource is not part of |
| * Slingshot. |
| */ |
| String getRatingsResourcePath(final Resource resource); |
| |
| |
| /** |
| * Get the overall rating for a resource. |
| * @param resource The content resource, this is usually an entry. |
| * @return The rating or {@code 0} if |
| * the passed in content resource is not part of |
| * Slingshot. |
| */ |
| int getRating(final Resource resource); |
| |
| /** |
| * Get the rating of a user for a resource. |
| * @param resource The content resource, this is usually an entry. |
| * @param userId The user id |
| * @return The rating or {@code 0} if |
| * the passed in content resource is not part of |
| * Slingshot. |
| */ |
| int getRating(final Resource resource, final String userId); |
| |
| /** |
| * Set the rating of a user for a resource. |
| * @param resource The content resource, this is usually an entry. |
| * @param userId The user id |
| * @return The rating or {@code 0} if |
| * the passed in content resource is not part of |
| * Slingshot. |
| */ |
| void setRating(final Resource resource, final String userId, final int rating) |
| throws PersistenceException; |
| } |