01: // Copyright 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.services;
16:
17: /**
18: * Used by {@link ApplicationStateManager} and {@link ApplicationStatePersistenceStrategy} to create
19: * an application state object on demand.
20: *
21: * @param <T>
22: */
23: public interface ApplicationStateCreator<T> {
24: /** Create a new instance of an application state object. */
25: T create();
26: }
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