001package org.apache.turbine.modules;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022/**
023 * A common interface for Screen, Layout and Navigation Loader
024 *
025 * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
026 * @param <T> the specialized assembler type
027 */
028public interface Loader<T extends Assembler>
029{
030    /**
031     * Get an Assembler.
032     *
033     * @param name name of the requested Assembler
034     * @return an Assembler
035     * @throws Exception generic exception
036     */
037    T getAssembler(String name) throws Exception;
038
039    /**
040     * Get the size of a possibly configured cache
041     *
042     * @return the size of the cache in bytes
043     */
044    int getCacheSize();
045}