import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
public ProcessEngine buildEngine() throws BPSFault {

        try {
            String carbonConfigDirPath = CarbonUtils.getCarbonConfigDirPath();
            String activitiConfigPath = carbonConfigDirPath + File.separator +
                    BPMNConstants.ACTIVITI_CONFIGURATION_FILE_NAME;
            File activitiConfigFile = new File(activitiConfigPath);
            ProcessEngineConfigurationImpl processEngineConfigurationImpl =
                    (ProcessEngineConfigurationImpl) ProcessEngineConfiguration.createProcessEngineConfigurationFromInputStream(
                            new FileInputStream(
                                    activitiConfigFile));

            //Add script engine resolvers
            setResolverFactories(processEngineConfigurationImpl);
            //Add supported variable types
            setSupportedVariableTypes(processEngineConfigurationImpl);

            // we have to build the process engine first to initialize session factories.
            processEngine = processEngineConfigurationImpl.buildProcessEngine();
            processEngineConfigurationImpl.getSessionFactories().put(UserIdentityManager.class,
                    new BPSUserManagerFactory());
            processEngineConfigurationImpl.getSessionFactories().put(GroupIdentityManager.class,
                    new BPSGroupManagerFactory());

            dataSourceJndiName = processEngineConfigurationImpl.getProcessEngineConfiguration()
                    .getDataSourceJndiName();

        } catch (FileNotFoundException e) {
            String msg = "Failed to create an Activiti engine. Activiti configuration file not found";
            throw new BPSFault(msg, e);
        }
        return processEngine;
    }
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
@Override
public Class<?> getSessionType() { // 返回引擎的实体管理器接口
    return UserIdentityManager.class;
}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
public Class<?> getSessionType() {
	// 返回原始的UserIdentityManager类型
	return UserIdentityManager.class;
}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
public Class<?> getSessionType() {
	return UserIdentityManager.class;
}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
@Override
public Class<?> getSessionType() {
    // 返回原始的UserManager类型
    return UserIdentityManager.class;

}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
@Override
public Class<?> getSessionType() {
    return UserIdentityManager.class;
}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
@Override
public Class<?> getSessionType() {
	return UserIdentityManager.class;
}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
/** {@inheritDoc} */
@Override
public Class<?> getSessionType() {
    return UserIdentityManager.class;
}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
@Override
public Class<?> getSessionType() {
    return UserIdentityManager.class;

}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
public UserIdentityManager getUserIdentityManager() {
  return getSession(UserIdentityManager.class);
}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
protected UserIdentityManager getUserIdentityManager() {
  return getSession(UserIdentityManager.class);
}
 

import org.activiti.engine.impl.persistence.entity.UserIdentityManager; //导入依赖的package包/类
public Class< ? > getSessionType() {
  return UserIdentityManager.class;
}