BillFacade.java
3.33 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
/*
* Copyright Codecrew Ry
*
* All rights reserved.
*
* This license applies to any software containing a notice placed by the
* copyright holder. Such software is herein referred to as the Software.
* This license covers modification, distribution and use of the Software.
*
* Any distribution and use in source and binary forms, with or without
* modification is not permitted without explicit written permission from the
* copyright owner.
*
* A non-exclusive royalty-free right is granted to the copyright owner of the
* Software to use, modify and distribute all modifications to the Software in
* future versions of the Software.
*
*/
package fi.codecrew.moya.facade;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.EJB;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import fi.codecrew.moya.beans.EventBeanLocal;
import fi.codecrew.moya.entitysearch.BillSearchQuery;
import fi.codecrew.moya.facade.callbacks.bill.BillEventPredicate;
import fi.codecrew.moya.facade.callbacks.bill.BillFilterPredicate;
import fi.codecrew.moya.facade.callbacks.bill.BillOrderPredicate;
import fi.codecrew.moya.facade.callbacks.bill.BillUserPredicate;
import fi.codecrew.moya.model.Bill;
import fi.codecrew.moya.model.Bill_;
import fi.codecrew.moya.model.EventUser;
import fi.codecrew.moya.model.LanEvent;
import fi.codecrew.moya.utilities.SearchResult;
import fi.codecrew.moya.utilities.jpa.FacadeCallback;
@Stateless
@LocalBean
public class BillFacade extends IntegerPkGenericFacade<Bill> {
@EJB
private EventBeanLocal eventbean;
public BillFacade() {
super(Bill.class);
}
public Integer getBiggestBillNumber() {
// SELECT max(b.billNumber) from Bill b where b.event = :event
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Integer> cq = cb.createQuery(Integer.class);
Root<Bill> root = cq.from(Bill.class);
cq.select(cb.max(root.get(Bill_.billNumber)));
cq.where(cb.equal(root.get(Bill_.event), eventbean.getCurrentEvent()));
return getSingleNullableResult(getEm().createQuery(cq));
}
public List<Bill> findAll() {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Bill> cq = cb.createQuery(Bill.class);
Root<Bill> root = cq.from(Bill.class);
cq.where(cb.equal(root.get(Bill_.event), eventbean.getCurrentEvent()));
cq.orderBy(cb.desc(root.get(Bill_.id)));
return getEm().createQuery(cq).getResultList();
}
public List<Bill> find(EventUser user) {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Bill> cq = cb.createQuery(Bill.class);
Root<Bill> root = cq.from(Bill.class);
cq.where(cb.equal(root.get(Bill_.event), eventbean.getCurrentEvent()),
cb.equal(root.get(Bill_.user), user)
);
return getEm().createQuery(cq).getResultList();
}
public SearchResult<Bill> find(BillSearchQuery queryParams) {
LanEvent event = eventbean.getCurrentEvent();
List<FacadeCallback<Bill>> callbacks = new ArrayList<>();
callbacks.add(new BillEventPredicate(event));
callbacks.add(new BillFilterPredicate(event, queryParams.getFilters()));
callbacks.add(new BillOrderPredicate(queryParams));
callbacks.add(new BillUserPredicate(queryParams.getUser()));
return super.searcher(queryParams, callbacks);
}
}