2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.usermgt.hibernate;
18 import org.wamblee.persistence.hibernate.HibernateSupport;
20 import org.wamblee.usermgt.Group;
21 import org.wamblee.usermgt.GroupSet;
23 import java.util.List;
25 import java.util.TreeSet;
28 * Set of groups backed by the database.
30 * @author Erik Brakkee
32 public class HibernateGroupSet extends HibernateSupport implements GroupSet {
33 private static final String QUERY_FIND_BY_NAME = "findGroupByName";
35 private static final String PARAM_NAME = "name";
37 private static final String QUERY_COUNT_GROUPS = "countGroups";
40 * Creates a new HibernateGroupSet object.
42 public HibernateGroupSet() {
50 * org.wamblee.usermgt.GroupSet#groupModified(org.wamblee.usermgt.Group)
52 public void groupModified(Group aGroup) {
53 assert aGroup.getPrimaryKey() != null;
54 //super.merge(aGroup);
60 * @see org.wamblee.usermgt.GroupSet#find(java.lang.String)
62 public Group find(String aName) {
63 List list = getHibernateTemplate().findByNamedQueryAndNamedParam(
64 QUERY_FIND_BY_NAME, PARAM_NAME, aName);
66 if (list.size() > 1) {
67 throw new RuntimeException(
68 "More than one group with the same name '" + aName + "'");
71 if (list.size() == 0) {
75 return new Group((Group) list.get(0));
81 * @see org.wamblee.usermgt.GroupSet#contains(org.wamblee.usermgt.Group)
83 public boolean contains(Group aGroup) {
84 return find(aGroup.getName()) != null;
90 * @see org.wamblee.usermgt.GroupSet#add(org.wamblee.usermgt.Group)
92 public boolean add(Group aGroup) {
93 assert aGroup.getPrimaryKey() == null;
95 if (contains(aGroup)) {
99 //super.merge(aGroup);
107 * @see org.wamblee.usermgt.GroupSet#remove(org.wamblee.usermgt.Group)
109 public boolean remove(Group aGroup) {
110 assert aGroup.getPrimaryKey() != null;
112 if (!contains(aGroup)) {
116 Group group = (Group) getHibernateTemplate().merge(aGroup);
117 getHibernateTemplate().delete(group);
118 // aGroup.setPrimaryKey(null);
119 // aGroup.setPersistedVersion(-1);
127 * @see org.wamblee.usermgt.GroupSet#list()
129 public Set<Group> list() {
130 Set<Group> groups = new TreeSet<Group>();
131 List<Group> list = getHibernateTemplate().loadAll(Group.class);
133 for (Group group : list) {
134 groups.add(new Group(group));
143 * @see org.wamblee.usermgt.GroupSet#size()
146 Long result = (Long) getHibernateTemplate().findByNamedQuery(
147 QUERY_COUNT_GROUPS).get(0);
149 return result.intValue();