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();
}