package org.jtheque.persistence; import java.util.Collection; /* * Copyright JTheque (Baptiste Wicht) * * 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. */ /** * A data container. It seems a class who can give access to a list of Entity. * * @author Baptiste Wicht * @param <T> The type of data this container can provide. */ public interface DataContainer<T extends Entity> { /** * Return the datas of the container. * * @return A List containing all the datas of the container. */ Collection<T> getDatas(); /** * Clear all the datas. */ void clearAll(); /** * Add a data listener to the container. * * @param listener The listener to add. */ void addDataListener(DataListener listener); /** * Return the data type. * * @return The data type. */ String getDataType(); }