| 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 | } |