Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ObjectModification |
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| 1.0;1 | ||||
ObjectModification$1 |
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| 1.0;1 | ||||
ObjectModification$2 |
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| 1.0;1 |
1 | package org.apache.ojb.broker.util; | |
2 | ||
3 | /* Copyright 2002-2005 The Apache Software Foundation | |
4 | * | |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * 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 | ||
18 | import java.io.Serializable; | |
19 | ||
20 | /** | |
21 | * | |
22 | * The Interface ObjectModification represents information about | |
23 | * modifications of persistence capable objects. | |
24 | * Allows clients of the PersistenceBroker (e.g. a TransactionServer) | |
25 | * to interact with the Broker in order to generate optimized SQL Statements. | |
26 | * | |
27 | * @author Thomas Mahler | |
28 | * @version $Id: ObjectModification.java,v 1.1 2007-08-24 22:17:36 ewestfal Exp $ | |
29 | */ | |
30 | public interface ObjectModification extends Serializable | |
31 | { | |
32 | static final long serialVersionUID = -3208237880606252967L; | |
33 | ||
34 | /** | |
35 | * Default implementation of this interface usable for INSERT. | |
36 | */ | |
37 | public static final ObjectModification INSERT = new ObjectModification() | |
38 | { | |
39 | public boolean needsInsert() | |
40 | { | |
41 | return true; | |
42 | } | |
43 | ||
44 | public boolean needsUpdate() | |
45 | { | |
46 | return false; | |
47 | } | |
48 | }; | |
49 | ||
50 | /** | |
51 | * Default implementation of this interface usable for UPDATE. | |
52 | */ | |
53 | public static final ObjectModification UPDATE = new ObjectModification() | |
54 | { | |
55 | public boolean needsInsert() | |
56 | { | |
57 | return false; | |
58 | } | |
59 | ||
60 | public boolean needsUpdate() | |
61 | { | |
62 | return true; | |
63 | } | |
64 | }; | |
65 | ||
66 | /** | |
67 | * Returns true if the underlying Object needs an INSERT statement. | |
68 | * else Returns false. | |
69 | */ | |
70 | public boolean needsInsert(); | |
71 | ||
72 | /** | |
73 | * Returns true if the underlying Object needs an UPDATE statement. | |
74 | * else Returns false. | |
75 | */ | |
76 | public boolean needsUpdate(); | |
77 | } |