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Java > Open Source Codes > org > apache > tapestry > engine > state > StateObjectPersistenceManager


1 // Copyright 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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15 package org.apache.tapestry.engine.state;
16
17 /**
18  * Interface for the nuts and bolts of getting and storing application state objects. These are
19  * intended to be stateless, and manage a number of state objects, mapping objectNames to internal
20  * storage in some way.
21  *
22  * @author Howard M. Lewis Ship
23  * @since 4.0
24  */

25 public interface StateObjectPersistenceManager
26 {
27     public boolean exists(String JavaDoc objectName);
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29     public Object JavaDoc get(String JavaDoc objectName, StateObjectFactory factory);
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31     public void store(String JavaDoc objectName, Object JavaDoc stateObject);
32 }
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