activiti engine.schema.update DB_SCHEMA_UPDATE_FALSE

engine.properties

# engine properties
engine.schema.update=true
engine.activate.jobexecutor=false
engine.asyncexecutor.enabled=true
engine.asyncexecutor.activate=true
engine.history.level=full

ProcessEngineConfiguration.createStandaloneInMemProcessEngineConfiguration() .setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE)

DB_SCHEMA_UPDATE_FALSE

http://www.cnblogs.com/mingforyou/p/5347789.html

package junit;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngineConfiguration;
import org.junit.Test;

public class TestActiviti {
    /**
     * 使用代码创建工作流需要的23张表
     */
    @Test
    public void createTable(){
        ProcessEngineConfiguration processEngineConfiguration = ProcessEngineConfiguration.createStandaloneProcessEngineConfiguration();
        //连接数据库配置
        processEngineConfiguration.setJdbcDriver("com.mysql.jdbc.Driver");
        processEngineConfiguration.setJdbcUrl("jdbc:mysql://localhost:3306/activiti?useUnicode=true&characterEncoding=utf8");
        processEngineConfiguration.setJdbcUsername("root");
        processEngineConfiguration.setJdbcPassword("******");

        /**
          public static final String DB_SCHEMA_UPDATE_FALSE = "false";//不能自动创建表，需要表存在
          public static final String DB_SCHEMA_UPDATE_CREATE_DROP = "create-drop";//先删除表再创建表
          public static final String DB_SCHEMA_UPDATE_TRUE = "true";//如果表不存在，自动创建表
          */
        processEngineConfiguration.setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE);
        //工作流的核心对象，ProcessEngine对象
        ProcessEngine processEngine = processEngineConfiguration.buildProcessEngine();
        System.out.println("processEngine:"+ processEngine);
    }
}