/* * JBoss, Home of Professional Open Source * Copyright 2015, Red Hat, Inc. and/or its affiliates, and individual * contributors by the @authors tag. See the copyright.txt in the * distribution for a full listing of individual contributors. * * 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.jboss.as.quickstarts.tasksJsf; import java.util.List; /** * <p> * Operations with cached list of tasks for current user. * </p> * * <p> * Implementation needs to preserve contracts for {@link #getAll()} and {@link #invalidate()}. * </p> * * @author Lukas Fryc * */ public interface TaskList { /** * <p> * Obtains list of tasks for current user. * </p> * * <p> * Caches current value; cache can be invalidated using {@link #invalidate()}. * * <p> * Delegates to persistence layer at most once per request or once per call of {@link #invalidate()}. * </p> * * @return */ List<Task> getAll(); /** * Invalidates all caches which this lists holds. */ void invalidate(); }