// Copyright 2007 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;

 /**

  * Used by {@link ApplicationStateManager} and {@link ApplicationStatePersistenceStrategy} to create an application

  * state object on demand.

  *

  * @param <T>

  */

 public interface ApplicationStateCreator<T>

 {

     /**

      * Create a new instance of an application state object.

      */

     T create();

 }