/
JPASubQuery.java
85 lines (71 loc) · 2.47 KB
/
JPASubQuery.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
/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* 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 com.querydsl.jpa;
import com.mysema.commons.lang.CloseableIterator;
import com.querydsl.core.DefaultQueryMetadata;
import com.querydsl.core.NonUniqueResultException;
import com.querydsl.core.QueryMetadata;
import com.querydsl.core.QueryResults;
import com.querydsl.core.Tuple;
import com.querydsl.core.types.Expression;
class JPASubQuery<T> extends JPAQueryBase<T, JPASubQuery<T>> {
JPASubQuery() {
super(new DefaultQueryMetadata(), JPQLTemplates.DEFAULT);
}
JPASubQuery(QueryMetadata metadata) {
super(metadata, JPQLTemplates.DEFAULT);
}
@Override
protected JPQLSerializer createSerializer() {
return new JPQLSerializer(getTemplates(), null);
}
@Override
protected void reset() {
// do nothing
}
@Override
public JPASubQuery<T> clone() {
return new JPASubQuery<T>(getMetadata().clone());
}
@Override
public <U> JPASubQuery<U> select(Expression<U> expr) {
queryMixin.setProjection(expr);
@SuppressWarnings("unchecked") // This is the new type
JPASubQuery<U> newType = (JPASubQuery<U>) this;
return newType;
}
@Override
public JPASubQuery<Tuple> select(Expression<?>... exprs) {
queryMixin.setProjection(exprs);
@SuppressWarnings("unchecked") // This is the new type
JPASubQuery<Tuple> newType = (JPASubQuery<Tuple>) this;
return newType;
}
@Override
public T fetchOne() throws NonUniqueResultException {
throw new UnsupportedOperationException();
}
@Override
public CloseableIterator<T> iterate() {
throw new UnsupportedOperationException();
}
@Override
public QueryResults<T> fetchResults() {
throw new UnsupportedOperationException();
}
@Override
public long fetchCount() {
throw new UnsupportedOperationException();
}
}