// Copyright 2007, 2008 The Apache Software Foundation

 //

 // 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.apache.tapestry5.services;

 import org.apache.tapestry5.ioc.annotations.UsesMappedConfiguration;

 /**

  * Used to provide access to {@link org.apache.tapestry5.services.ApplicationStatePersistenceStrategySource} instances

  * via a logical name for the stategy, such as "session".

  */

 @UsesMappedConfiguration(ApplicationStatePersistenceStrategy.class)

 public interface ApplicationStatePersistenceStrategySource

 {

     /**

      * Returns the named strategy.

      *

      * @param name of strategy to access

      * @return the strategy

      * @throws RuntimeException if the name does not match a configured strategy

      */

     ApplicationStatePersistenceStrategy get(String name);

 }