Activiti7 + dynamic-datasource 多数据源配置
问题
原参考文章如下：SpringBoot 给 Activiti7 配置单独数据源。
根据文章配置，出现了原来配置的其他数据源失效，原先的事物注解 @Transactional 失效等问题。
原因
具体原因不清楚，目前只知道 @Bean 配置 PlatformTransactionManager 和 DataSource 会导致 dynamic-datasource 配置的默认数据源失效。
解决
从 DynamicDataSourceProvider 获取数据源并构建事物管理，具体配置信息如下。
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
| @Configuration
public class ActivitiDataSourceConfig extends AbstractProcessEngineAutoConfiguration {
@Resource
private DynamicDataSourceProvider dynamicDataSourceProvider;
@Bean
public SpringProcessEngineConfiguration springProcessEngineConfiguration(ActivitiProperties activitiProperties) {
SpringProcessEngineConfiguration conf = new SpringProcessEngineConfiguration();
DataSource dataSource = dynamicDataSourceProvider.loadDataSources().get(DBConstants.DATASOURCE_WORKFLOW);
conf.setDataSource(dataSource);
conf.setTransactionManager(new DataSourceTransactionManager(dataSource));
conf.setDeploymentName(activitiProperties.getDeploymentName());
conf.setDatabaseSchema(activitiProperties.getDatabaseSchema());
conf.setDatabaseSchemaUpdate(activitiProperties.getDatabaseSchemaUpdate());
conf.setDbHistoryUsed(activitiProperties.isDbHistoryUsed());
conf.setAsyncExecutorActivate(activitiProperties.isAsyncExecutorActivate());
if (!activitiProperties.isAsyncExecutorActivate()) {
ValidatorSet springBootStarterValidatorSet = new ValidatorSet("activiti-spring-boot-starter");
springBootStarterValidatorSet.addValidator(new AsyncPropertyValidator());
if (conf.getProcessValidator() == null) {
ProcessValidatorImpl processValidator = new ProcessValidatorImpl();
processValidator.addValidatorSet(springBootStarterValidatorSet);
conf.setProcessValidator(processValidator);
} else {
conf.getProcessValidator().getValidatorSets().add(springBootStarterValidatorSet);
}
}
conf.setMailServerHost(activitiProperties.getMailServerHost());
conf.setMailServerPort(activitiProperties.getMailServerPort());
conf.setMailServerUsername(activitiProperties.getMailServerUserName());
conf.setMailServerPassword(activitiProperties.getMailServerPassword());
conf.setMailServerDefaultFrom(activitiProperties.getMailServerDefaultFrom());
conf.setMailServerUseSSL(activitiProperties.isMailServerUseSsl());
conf.setMailServerUseTLS(activitiProperties.isMailServerUseTls());
conf.setHistoryLevel(activitiProperties.getHistoryLevel());
conf.setCopyVariablesToLocalForTasks(activitiProperties.isCopyVariablesToLocalForTasks());
conf.setSerializePOJOsInVariablesToJson(activitiProperties.isSerializePOJOsInVariablesToJson());
conf.setJavaClassFieldForJackson(activitiProperties.getJavaClassFieldForJackson());
if (activitiProperties.getCustomMybatisMappers() != null) {
conf.setCustomMybatisMappers(getCustomMybatisMapperClasses(activitiProperties.getCustomMybatisMappers()));
}
if (activitiProperties.getCustomMybatisXMLMappers() != null) {
conf.setCustomMybatisXMLMappers(new HashSet<>(activitiProperties.getCustomMybatisXMLMappers()));
}
if (activitiProperties.getCustomMybatisXMLMappers() != null) {
conf.setCustomMybatisXMLMappers(new HashSet<>(activitiProperties.getCustomMybatisXMLMappers()));
}
if (activitiProperties.isUseStrongUuids()) {
conf.setIdGenerator(new StrongUuidGenerator());
}
if (activitiProperties.getDeploymentMode() != null) {
conf.setDeploymentMode(activitiProperties.getDeploymentMode());
}
return conf;
}
}
|