ProductFacade.java
2.33 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
package fi.codecrew.moya.facade;
import java.math.BigDecimal;
import java.util.Arrays;
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.model.Product_;
import fi.codecrew.moya.beans.EventBeanLocal;
import fi.codecrew.moya.model.Product;
import fi.codecrew.moya.model.ProductFlag;
@Stateless
@LocalBean
public class ProductFacade extends IntegerPkGenericFacade<Product> {
@EJB
private EventBeanLocal eventbean;
public ProductFacade() {
super(Product.class);
}
public List<Product> findAll()
{
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Product> cq = cb.createQuery(Product.class);
Root<Product> root = cq.from(Product.class);
cq.where(cb.equal(root.get(Product_.event), eventbean.getCurrentEvent()));
cq.orderBy(cb.asc(root.get(Product_.sort)));
return getEm().createQuery(cq).getResultList();
}
public Product getCreditProduct() {
throw new RuntimeException();
}
public List<Product> findProductsByPrice(BigDecimal price) {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Product> cq = cb.createQuery(Product.class);
Root<Product> root = cq.from(Product.class);
cq.where(cb.equal(root.get(Product_.event), eventbean.getCurrentEvent()),
cb.equal(root.get(Product_.price), price));
return getEm().createQuery(cq).getResultList();
}
public List<Product> findProductsByFlag(ProductFlag... productFlags) {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Product> cq = cb.createQuery(Product.class);
Root<Product> root = cq.from(Product.class);
cq.where(cb.equal(root.get(Product_.event), eventbean.getCurrentEvent()),
root.get(Product_.productFlags).in(Arrays.asList(productFlags)));
cq.orderBy(cb.asc(root.get(Product_.sort)));
return getEm().createQuery(cq).getResultList();
}
public Product findProductByBarcode(String barcode) {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Product> cq = cb.createQuery(Product.class);
Root<Product> root = cq.from(Product.class);
cq.where(
cb.equal(root.get(Product_.barcode), barcode)
);
return super.getSingleNullableResult(getEm().createQuery(cq));
}
}