import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
@Override
public void onBeforeUpdate(User entity, EntityManager entityManager) {
    events.add("onBeforeUpdate: " + entity.getId());

    Transaction.Runnable code = (em) -> {
        TypedQuery<User> query = entityManager.createQuery("select u from sec$User u where u.login = 'admin'", User.class);
        if (withView) {
            query.setViewName(View.MINIMAL);
        }
        User admin = query.getSingleResult();
        System.out.println(admin.getLogin());
    };

    if (withNewTx) {
        AppBeans.get(Persistence.class).runInTransaction(code);
    } else {
        code.run(entityManager);
    }
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
@Override
protected void after() {
    log.info("Stopping test container " + this);
    try {
        ((PersistenceImpl) AppBeans.get(Persistence.class)).dispose();
        ((ConfigurableApplicationContext) AppContext.getApplicationContext()).close();
        TestContext.getInstance().unbind(AppContext.getProperty("cuba.dataSourceJndiName"));
        AppContext.Internals.setApplicationContext(null);
        for (String name : AppContext.getPropertyNames()) {
            AppContext.setProperty(name, null);
        }
    } catch (Exception e) {
        log.warn("Error closing test container", e);
    }
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
@Inject
public TrustedClientAuthenticationProvider(Persistence persistence, Messages messages) {
    super(persistence, messages);
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
@Inject
public AnonymousAuthenticationProvider(Persistence persistence, Messages messages) {
    super(persistence, messages);
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
public AbstractAuthenticationProvider(Persistence persistence, Messages messages) {
    this.persistence = persistence;
    this.messages = messages;
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
@Inject
public LoginPasswordAuthenticationProvider(Persistence persistence, Messages messages) {
    super(persistence, messages);
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
@Inject
public SystemAuthenticationProvider(Persistence persistence, Messages messages) {
    super(persistence, messages);
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
@Inject
public RememberMeAuthenticationProvider(Persistence persistence, Messages messages) {
    super(persistence, messages);
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
public void setPersistence(Persistence persistence) {
    this.persistence = persistence;
}
 

import com.haulmont.cuba.core.Persistence; //导入依赖的package包/类
public Persistence persistence() {
    return AppBeans.get(Persistence.class);
}