001// Copyright 2007, 2008 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry5.services; 016 017import org.apache.tapestry5.ioc.annotations.UsesMappedConfiguration; 018 019/** 020 * Used to provide access to {@link org.apache.tapestry5.services.ApplicationStatePersistenceStrategySource} instances 021 * via a logical name for the stategy, such as "session". 022 */ 023@UsesMappedConfiguration(ApplicationStatePersistenceStrategy.class) 024public interface ApplicationStatePersistenceStrategySource 025{ 026 /** 027 * Returns the named strategy. 028 * 029 * @param name of strategy to access 030 * @return the strategy 031 * @throws RuntimeException if the name does not match a configured strategy 032 */ 033 ApplicationStatePersistenceStrategy get(String name); 034}