1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
|
16 |
|
|
17 |
|
|
18 |
|
package org.apache.camel.component.jpa; |
19 |
|
|
20 |
|
import org.apache.camel.impl.ServiceSupport; |
21 |
|
import org.springframework.orm.jpa.JpaCallback; |
22 |
|
import org.springframework.orm.jpa.JpaTemplate; |
23 |
|
import org.springframework.orm.jpa.JpaTransactionManager; |
24 |
|
import org.springframework.transaction.TransactionStatus; |
25 |
|
import org.springframework.transaction.support.TransactionCallback; |
26 |
|
import org.springframework.transaction.support.TransactionTemplate; |
27 |
|
|
28 |
|
import javax.persistence.EntityManager; |
29 |
|
import javax.persistence.EntityManagerFactory; |
30 |
|
import javax.persistence.PersistenceException; |
31 |
|
|
32 |
|
|
33 |
|
|
34 |
|
|
35 |
|
|
36 |
|
|
37 |
12 |
public class JpaTemplateTransactionStrategy extends ServiceSupport implements TransactionStrategy { |
38 |
|
private final JpaTemplate jpaTemplate; |
39 |
|
private final TransactionTemplate transactionTemplate; |
40 |
|
|
41 |
|
|
42 |
|
|
43 |
|
|
44 |
|
public static JpaTemplateTransactionStrategy newInstance(EntityManagerFactory emf) { |
45 |
0 |
JpaTemplate template = new JpaTemplate(emf); |
46 |
0 |
return newInstance(emf, template); |
47 |
|
} |
48 |
|
|
49 |
|
public static JpaTemplateTransactionStrategy newInstance(EntityManagerFactory emf, JpaTemplate template) { |
50 |
9 |
JpaTransactionManager transactionManager = new JpaTransactionManager(emf); |
51 |
9 |
transactionManager.afterPropertiesSet(); |
52 |
|
|
53 |
9 |
TransactionTemplate tranasctionTemplate = new TransactionTemplate(transactionManager); |
54 |
9 |
tranasctionTemplate.afterPropertiesSet(); |
55 |
|
|
56 |
9 |
return new JpaTemplateTransactionStrategy(template, tranasctionTemplate); |
57 |
|
} |
58 |
|
|
59 |
9 |
public JpaTemplateTransactionStrategy(JpaTemplate jpaTemplate, TransactionTemplate transactionTemplate) { |
60 |
9 |
this.jpaTemplate = jpaTemplate; |
61 |
9 |
this.transactionTemplate = transactionTemplate; |
62 |
9 |
} |
63 |
|
|
64 |
|
public Object execute(final JpaCallback callback) { |
65 |
12 |
return transactionTemplate.execute(new TransactionCallback() { |
66 |
12 |
public Object doInTransaction(TransactionStatus status) { |
67 |
12 |
return jpaTemplate.execute(new JpaCallback() { |
68 |
12 |
public Object doInJpa(EntityManager entityManager) throws PersistenceException { |
69 |
12 |
return callback.doInJpa(entityManager); |
70 |
|
} |
71 |
|
}); |
72 |
|
} |
73 |
|
}); |
74 |
|
} |
75 |
|
|
76 |
|
protected void doStart() throws Exception { |
77 |
0 |
} |
78 |
|
|
79 |
|
protected void doStop() throws Exception { |
80 |
0 |
} |
81 |
|
} |