01: /*
02: * $Id: Dao.java 476710 2006-11-19 05:05:14Z mrdon $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21: package org.apache.struts2.showcase.dao;
22:
23: import java.io.Serializable;
24: import java.util.Collection;
25:
26: import org.apache.struts2.showcase.exception.CreateException;
27: import org.apache.struts2.showcase.exception.StorageException;
28: import org.apache.struts2.showcase.exception.UpdateException;
29: import org.apache.struts2.showcase.model.IdEntity;
30:
31: /**
32: * Dao. Interface.
33: *
34: */
35:
36: public interface Dao {
37:
38: Class getFeaturedClass();
39:
40: IdEntity get(Serializable id);
41:
42: Serializable create(IdEntity object) throws CreateException;
43:
44: IdEntity update(IdEntity object) throws UpdateException;
45:
46: Serializable merge(IdEntity object) throws StorageException;
47:
48: int delete(Serializable id) throws CreateException;
49:
50: int delete(IdEntity object) throws CreateException;
51:
52: Collection findAll();
53: }
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