/
PagedResultList.java
176 lines (141 loc) · 4.43 KB
/
PagedResultList.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
/*
* Copyright 2004-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package grails.orm;
import java.io.Serializable;
import java.sql.SQLException;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import org.codehaus.groovy.grails.orm.hibernate.GrailsHibernateTemplate;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.criterion.Projections;
import org.springframework.orm.hibernate3.HibernateCallback;
/**
* A result list for Criteria list calls, which is aware of the totalCount for
* the paged result.
*
* @author Siegfried Puchbauer
* @since 1.0
*/
@SuppressWarnings({"unchecked","rawtypes"})
public class PagedResultList implements List, Serializable {
private static final long serialVersionUID = -5820655628956173929L;
protected List list;
protected int totalCount = Integer.MIN_VALUE;
private final GrailsHibernateTemplate hibernateTemplate;
private final Criteria criteria;
public PagedResultList(GrailsHibernateTemplate template, Criteria crit) {
this.list = crit.list();
this.criteria = crit;
this.hibernateTemplate = template;
}
public int size() {
return list.size();
}
public boolean isEmpty() {
return list.isEmpty();
}
public boolean contains(Object o) {
return list.contains(o);
}
public Iterator iterator() {
return list.iterator();
}
public Object[] toArray() {
return list.toArray();
}
public Object[] toArray(Object[] objects) {
return list.toArray(objects);
}
public boolean add(Object o) {
return list.add(o);
}
public boolean remove(Object o) {
return list.remove(o);
}
public boolean containsAll(Collection collection) {
return list.containsAll(collection);
}
public boolean addAll(Collection collection) {
return list.addAll(collection);
}
public boolean addAll(int i, Collection collection) {
return list.addAll(i, collection);
}
public boolean removeAll(Collection collection) {
return list.removeAll(collection);
}
public boolean retainAll(Collection collection) {
return list.retainAll(collection);
}
public void clear() {
list.clear();
}
@Override
public boolean equals(Object o) {
return list.equals(o);
}
@Override
public int hashCode() {
return list.hashCode();
}
public Object get(int i) {
return list.get(i);
}
public Object set(int i, Object o) {
return list.set(i, o);
}
public void add(int i, Object o) {
list.add(i, o);
}
public Object remove(int i) {
return list.remove(i);
}
public int indexOf(Object o) {
return list.indexOf(o);
}
public int lastIndexOf(Object o) {
return list.lastIndexOf(o);
}
public ListIterator listIterator() {
return list.listIterator();
}
public ListIterator listIterator(int i) {
return list.listIterator(i);
}
public List subList(int i, int i1) {
return list.subList(i, i1);
}
public int getTotalCount() {
if (totalCount == Integer.MIN_VALUE) {
totalCount = (Integer)hibernateTemplate.execute(new HibernateCallback<Object>() {
public Object doInHibernate(Session session) throws HibernateException, SQLException {
hibernateTemplate.applySettings(criteria);
criteria.setFirstResult(0);
criteria.setProjection(Projections.rowCount());
return ((Number)criteria.uniqueResult()).intValue();
}
});
}
return totalCount;
}
public void setTotalCount(int totalCount) {
this.totalCount = totalCount;
}
}