/*
* 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();
}