Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ManageableCollection |
|
| 1.0;1 |
1 | package org.apache.ojb.broker; | |
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.util.Iterator; | |
19 | ||
20 | /** | |
21 | * OJB can handle java.util.Collection as well as user defined collection classes as collection attributes | |
22 | * in persistent classes. In order to collaborate with the OJB mechanisms these collection must provide a minimum | |
23 | * protocol as defined by this interface ManageableCollection. | |
24 | * The methods have a prefix "ojb" that indicates that these methods are "technical" methods, required | |
25 | * by OJB and not to be used in business code. | |
26 | * | |
27 | * @author Thomas Mahler | |
28 | * @version $Id: ManageableCollection.java,v 1.1 2007-08-24 22:17:36 ewestfal Exp $ | |
29 | */ | |
30 | public interface ManageableCollection extends java.io.Serializable | |
31 | { | |
32 | /** | |
33 | * Adds a single object to the Collection. This method is used during reading collection elements | |
34 | * from the database. Thus it is safe to cast the object to the underlying element type of the | |
35 | * collection. | |
36 | * | |
37 | * @param anObject The object to add | |
38 | */ | |
39 | void ojbAdd(Object anObject); | |
40 | ||
41 | /** | |
42 | * Adds another collection to this collection. Used in reading extents from the database. | |
43 | * Thus it is safe to cast the given collection to this class. | |
44 | * | |
45 | * @param otherCollection The added collection | |
46 | */ | |
47 | void ojbAddAll(ManageableCollection otherCollection); | |
48 | ||
49 | /** | |
50 | * Returns an iterator over all elements in the collection. Used during store and delete | |
51 | * operations. If the implementor does not return an iterator over ALL elements, OJB cannot | |
52 | * store and delete all elements properly. | |
53 | * | |
54 | * @return The iterator | |
55 | */ | |
56 | Iterator ojbIterator(); | |
57 | ||
58 | /** | |
59 | * A callback method to implement 'removal-aware' (track removed objects and delete | |
60 | * them by its own) collection implementations. | |
61 | * | |
62 | * @param broker The persistence broker | |
63 | */ | |
64 | public void afterStore(PersistenceBroker broker) throws PersistenceBrokerException; | |
65 | } |