01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.portal.aspect;
18:
19: /**
20: * An aspect data store is a component that manages aspect data objects.
21: * For example, one implementation stores them temporary for the current
22: * request, another one in the session and a third one persistent.
23: *
24: * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
25: *
26: * @version CVS $Id: AspectDataStore.java 433543 2006-08-22 06:22:54Z crossley $
27: */
28: public interface AspectDataStore {
29:
30: String ROLE = AspectDataStore.class.getName();
31:
32: Object getAspectData(Aspectalizable owner, String aspectName);
33:
34: void setAspectData(Aspectalizable owner, String aspectName,
35: Object data);
36:
37: /**
38: * Is the data persistent
39: */
40: boolean isPersistent();
41:
42: }
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