springboot-activiti多数据源配置

springboot-activiti多数据源配置
https://segmentfault.com/a/1190000007194484

package com.akucun.act.config;

import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
import org.activiti.spring.SpringAsyncExecutor;
import org.activiti.spring.SpringProcessEngineConfiguration;
import org.activiti.spring.boot.AbstractProcessEngineAutoConfiguration;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.transaction.PlatformTransactionManager;

import javax.sql.DataSource;
import java.io.IOException;

/**
 * @author yaoyuanliang
 * @date 2018/5/28
 */
@Configuration
public class ActivitiDatasourceConfig extends AbstractProcessEngineAutoConfiguration {

    @Bean
    @Primary
    @ConfigurationProperties("spring.datasource.druid.first")
    public DataSource firstDataSource(){
        return DruidDataSourceBuilder.create().build();
    }

    @Bean
    public SpringProcessEngineConfiguration springProcessEngineConfiguration(
            PlatformTransactionManager transactionManager,
            SpringAsyncExecutor springAsyncExecutor) throws IOException {

        return baseSpringProcessEngineConfiguration(
                firstDataSource(),
                transactionManager,
                springAsyncExecutor);
    }

}