01: /*
02: * $Id: AbstractDao.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.application.Storage;
27: import org.apache.struts2.showcase.exception.CreateException;
28: import org.apache.struts2.showcase.exception.StorageException;
29: import org.apache.struts2.showcase.exception.UpdateException;
30: import org.apache.struts2.showcase.model.IdEntity;
31:
32: /**
33: * AbstractDao.
34: *
35: */
36:
37: public abstract class AbstractDao implements Serializable, Dao {
38:
39: private Storage storage;
40:
41: public Storage getStorage() {
42: return storage;
43: }
44:
45: public void setStorage(Storage storage) {
46: this .storage = storage;
47: }
48:
49: public IdEntity get(Serializable id) {
50: return getStorage().get(getFeaturedClass(), id);
51: }
52:
53: public Serializable create(IdEntity object) throws CreateException {
54: return getStorage().create(object);
55: }
56:
57: public IdEntity update(IdEntity object) throws UpdateException {
58: return getStorage().update(object);
59: }
60:
61: public Serializable merge(IdEntity object) throws StorageException {
62: return getStorage().merge(object);
63: }
64:
65: public int delete(Serializable id) throws CreateException {
66: return getStorage().delete(getFeaturedClass(), id);
67: }
68:
69: public int delete(IdEntity object) throws CreateException {
70: return getStorage().delete(object);
71: }
72:
73: public Collection findAll() {
74: return getStorage().findAll(getFeaturedClass());
75: }
76:
77: }
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