Package: TxManagerImpl

TxManagerImpl

name	instruction	branch	complexity	line	method
TxManagerImpl()	M: 0 C: 7 100%	M: 0 C: 0 100%	M: 0 C: 1 100%	M: 0 C: 2 100%	M: 0 C: 1 100%
close()	M: 0 C: 4 100%	M: 0 C: 0 100%	M: 0 C: 1 100%	M: 0 C: 2 100%	M: 0 C: 1 100%
computeInTx(Function)	M: 10 C: 21 68%	M: 2 C: 0 0%	M: 1 C: 1 50%	M: 4 C: 7 64%	M: 0 C: 1 100%

Coverage

1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * 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
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.thesefoolishthings.examples.jpafinderexample.impl;
27:
28: import javax.annotation.Nonnull;
29: import java.util.function.Function;
30: import jakarta.persistence.EntityManager;
31: import jakarta.persistence.EntityManagerFactory;
32: import jakarta.persistence.EntityTransaction;
33: import jakarta.persistence.Persistence;
34: import it.tidalwave.thesefoolishthings.examples.jpafinderexample.TxManager;
35:
36: /***************************************************************************************************************************************************************
37: *
38: * @author Fabrizio Giudici
39: *
40: **************************************************************************************************************************************************************/
41: public class TxManagerImpl implements TxManager
42: {
43: private final EntityManagerFactory emf = Persistence.createEntityManagerFactory("example");
44:
45: @Override
46: public <T> T computeInTx (@Nonnull final Function<? super EntityManager, T> task)
47: {
48: EntityTransaction tx = null;
49:
50: try (final var em = emf.createEntityManager())
51: {
52: tx = em.getTransaction();
53: tx.begin();
54: final var result = task.apply(em);
55: tx.commit();
56: return result;
57: }
58: catch (Exception e)
59: {
60:• if (tx != null)
61: {
62: tx.rollback();
63: }
64:
65: throw new RuntimeException(e);
66: }
67: }
68:
69: @Override
70: public void close()
71: {
72: emf.close();
73: }
74: }