PredicatesBuilder.java
8.87 KB
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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
package com.bsth.entity.search;
import org.joda.time.DateTime;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.Path;
import javax.persistence.criteria.Predicate;
import java.text.NumberFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
/**
*
* @ClassName: PredicatesBuilder
* @author PanZhao
* @date 2016年3月16日 下午4:05:07
*
*/
public class PredicatesBuilder {
/**
* Number转换器
*/
private static NumberFormat nf;
static{
nf = NumberFormat.getInstance();
}
public static Predicate eq(CriteriaBuilder cb,Path<?> expression, Object object){
Class<?> leftType = expression.getJavaType();
Class<?> rightType = object.getClass();
if(Date.class.isAssignableFrom(leftType) &&
String.class.isAssignableFrom(rightType)){
DateTime dateTime = new DateTime(object);
return cb.equal(expression, dateTime.toDate());
}
else {
return cb.equal(expression, object);
}
/*if (Number.class.isAssignableFrom(leftType) &&
(Number.class.isAssignableFrom(rightType) || String.class.isAssignableFrom(rightType))) { // Number == Number/String
return cb.equal(expression, object);
} else if (String.class.isAssignableFrom(leftType) &&
(String.class.isAssignableFrom(rightType) || Number.class.isAssignableFrom(rightType))) { // String == String/Number
return cb.equal(expression, object);
} else if (Boolean.class.isAssignableFrom(leftType) &&
Boolean.class.isAssignableFrom(rightType)) {
return cb.equal(expression, object);
} else if (Date.class.isAssignableFrom(leftType) &&
Date.class.isAssignableFrom(rightType)) { // Date == Date
return cb.equal(expression, object);
} else if (Date.class.isAssignableFrom(leftType) &&
String.class.isAssignableFrom(rightType)) { // Date == String
DateTime dateTime = new DateTime(object);
return cb.equal(expression, dateTime.toDate());
} else {
throw new RuntimeException("eq 不支持类型组合：" + expression.getJavaType() + "==" + object.getClass());
}*/
}
public static Predicate ne(CriteriaBuilder cb,Path<?> expression, Object object){
return cb.notEqual(expression, object);
}
public static Predicate in(CriteriaBuilder cb,Path<?> expression, Object object){
String[] obj=object.toString().split(",");
List<String> list=new ArrayList<String>();
for(int i=0;i<obj.length;i++){
list.add(obj[i]);
}
return cb.in(expression).value(list);
}
public static Predicate ins(CriteriaBuilder cb,Path<?> expression, List<String> list){
return cb.in(expression).value(list);
}
public static Predicate gt(CriteriaBuilder cb,Path<Number> expression, Object object){
try {
return cb.gt(expression, nf.parse(object.toString()));
} catch (ParseException e) {
e.printStackTrace();
return null;
}
}
public static Predicate ge(CriteriaBuilder cb,Path<?> expression, Object object){
Class<?> leftType = expression.getJavaType();
Class<?> rightType = object.getClass();
if (Number.class.isAssignableFrom(leftType) &&
(Number.class.isAssignableFrom(rightType) || String.class.isAssignableFrom(rightType))) { // Number >= Number/String
return cb.ge((Path<Number>) expression, (Number) object);
} else if (String.class.isAssignableFrom(leftType) &&
(String.class.isAssignableFrom(rightType) || Number.class.isAssignableFrom(rightType))) { // String >= String/Number
return cb.greaterThanOrEqualTo((Path<String>) expression, (String) object);
} else if (Date.class.isAssignableFrom(leftType) &&
Date.class.isAssignableFrom(rightType)) { // Date >= Date
return cb.greaterThanOrEqualTo((Path<Date>) expression, (Date) object);
} else if (Date.class.isAssignableFrom(leftType) &&
String.class.isAssignableFrom(rightType)) { // Date >= String
DateTime dateTime = new DateTime(object);
return cb.greaterThanOrEqualTo((Path<Date>) expression, dateTime.toDate());
} else if (long.class.isAssignableFrom(leftType) &&
String.class.isAssignableFrom(rightType)) { // Long >= String
return cb.greaterThanOrEqualTo((Path<Long>) expression, Long.valueOf(object+""));
} else {
throw new RuntimeException("ge 不支持类型组合：" + expression.getJavaType() + ">=" + object.getClass());
}
}
public static Predicate lt(CriteriaBuilder cb,Path<Number> expression, Object object){
try {
return cb.lt(expression, nf.parse(object.toString()));
} catch (ParseException e) {
e.printStackTrace();
return null;
}
}
public static Predicate le(CriteriaBuilder cb,Path<?> expression, Object object){
Class<?> leftType = expression.getJavaType();
Class<?> rightType = object.getClass();
if (Number.class.isAssignableFrom(leftType) &&
(Number.class.isAssignableFrom(rightType) || String.class.isAssignableFrom(rightType))) { // Number <= Number/String
return cb.le((Path<Number>) expression, (Number) object);
} else if (String.class.isAssignableFrom(leftType) &&
(String.class.isAssignableFrom(rightType) || Number.class.isAssignableFrom(rightType))) { // String <= String/Number
return cb.lessThanOrEqualTo((Path<String>) expression, (String) object);
} else if (Date.class.isAssignableFrom(leftType) &&
Date.class.isAssignableFrom(rightType)) { // Date <= Date
return cb.lessThanOrEqualTo((Path<Date>) expression, (Date) object);
} else if (Date.class.isAssignableFrom(leftType) &&
String.class.isAssignableFrom(rightType)) { // Date <= String
DateTime dateTime = new DateTime(object);
return cb.lessThanOrEqualTo((Path<Date>) expression, dateTime.toDate());
}else if (long.class.isAssignableFrom(leftType) &&
String.class.isAssignableFrom(rightType)) { // Long <= String
return cb.lessThanOrEqualTo((Path<Long>) expression, Long.valueOf(object + "") );
} else {
throw new RuntimeException("le 不支持类型组合：" + expression.getJavaType() + "<=" + object.getClass());
}
}
public static Predicate prefixLike(CriteriaBuilder cb,Path<String> expression, Object object){
return cb.like(expression, object.toString() + "%");
}
public static Predicate prefixNotLike(CriteriaBuilder cb,Path<String> expression, Object object){
return cb.notLike(expression, object.toString() + "%");
}
public static Predicate suffixLike(CriteriaBuilder cb,Path<String> expression, Object object){
return cb.like(expression, "%" + object.toString());
}
public static Predicate suffixNotLike(CriteriaBuilder cb,Path<String> expression, Object object){
return cb.notLike(expression, "%" + object.toString());
}
public static Predicate like(CriteriaBuilder cb,Path<String> expression, Object object){
return cb.like(expression, "%" + object.toString() + "%");
}
public static Predicate notLike(CriteriaBuilder cb,Path<String> expression, Object object){
return cb.notLike(expression, "%" + object.toString() + "%");
}
public static Predicate isNull(CriteriaBuilder cb,Path<String> expression, Object object){
return cb.isNull(expression);
}
public static Predicate isNotNull(CriteriaBuilder cb,Path<String> expression, Object object){
return cb.isNotNull(expression);
}
public static Predicate isf(CriteriaBuilder cb,Path<Boolean> expression, Object object){
return cb.isFalse(expression);
}
public static Predicate ist(CriteriaBuilder cb,Path<Boolean> expression, Object object){
return cb.isTrue(expression);
}
public static Predicate date(CriteriaBuilder cb,Path<?> expression, Object object){
Date time = null;
try {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
time = sdf.parse(object.toString());
} catch (Exception e) {
e.printStackTrace();
}
return cb.equal(expression, time);
}
public static Predicate dateEq(CriteriaBuilder cb,Path<?> expression, Object object){
Predicate predicate = null;
try {
DateTime dateTime = new DateTime(object);
Date startTime = dateTime.toDate();//设置起始时间
Calendar c = Calendar.getInstance();
c.setTime(startTime);
c.add(Calendar.DAY_OF_MONTH, 1);
// 设置结束时间，起始时间为结束时间加1天
Date endTime = c.getTime();
predicate = cb.between((Path<Date>) expression,startTime,endTime);
} catch (Exception e) {
e.printStackTrace();
}
return predicate;
}
}