本文整理了Java中com.googlecode.objectify.Objectify.load()方法的一些代码示例，展示了Objectify.load()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Objectify.load()方法的具体详情如下：
包路径：com.googlecode.objectify.Objectify
类名称：Objectify
方法名：load

Objectify.load介绍

[英]Start a load command chain. This is where you begin for any request that fetches data from the datastore: gets and queries.

A quick example: Map, Thing> things = ofy().load().type(Thing.class).parent(par).ids(123L, 456L);

All command objects are immutable; this method returns a new object rather than modifying the current command object.
[中]启动加载命令链。这就是从数据存储中获取数据的任何请求的起点：获取和查询。
举个简单的例子：Map，Thing>things=ofy（）。加载（）。键入（Thing.class）。家长（par）。ids（123L，456L）；
所有命令对象都是不可变的；此方法返回一个新对象，而不是修改当前命令对象。

代码示例

代码示例来源：origin: objectify/objectify

@Override
public T get() {
  return ofy().load().now(key());
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected boolean isMigrationNeeded(Key<FeedbackResponseComment> entity) {
  FeedbackResponseComment comment = ofy().load().key(entity).now();
  try {
    Field commentGiverType = comment.getClass().getDeclaredField("commentGiverType");
    commentGiverType.setAccessible(true);
    return commentGiverType.get(comment) == null;
  } catch (ReflectiveOperationException e) {
    return true;
  }
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected Query<FeedbackResponseComment> getFilterQuery() {
  return ofy().load().type(FeedbackResponseComment.class);
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected Query<CourseStudent> getFilterQuery() {
  return ofy().load().type(CourseStudent.class);
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected Query<Account> getFilterQuery() {
  return ofy().load().type(Account.class);
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected Query<Course> getFilterQuery() {
  return ofy().load().type(Course.class);
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected Query<Instructor> getFilterQuery() {
  return ofy().load().type(Instructor.class);
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected Query<Account> getFilterQuery() {
  return ofy().load().type(Account.class).filterKey(Key.create(Account.class, fromAccountGoogleId));
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected boolean isMigrationNeeded(Key<Instructor> key) throws Exception {
  Instructor instructor = ofy().load().key(key).now();
  if (SanitizationHelper.isSanitizedHtml(instructor.getRole())) {
    System.err.println(String.format("Instructor %s has unsanitized role %s, this should not happen",
        instructor.getUniqueId(), instructor.getRole()));
  }
  return SanitizationHelper.isSanitizedHtml(instructor.getDisplayedName());
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected boolean isMigrationNeeded(Key<Account> key) throws Exception {
  Account account = ofy().load().key(key).now();
  if (!isMigrationOfGoogleIdNeeded(account)) {
    return false;
  }
  String newGoogleId = generateNewGoogleId(account);
  println(String.format("Going to migrate account with googleId %s to new googleId %s",
      account.getGoogleId(), newGoogleId));
  return true;
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected boolean isMigrationNeeded(Key<Course> key) throws Exception {
  Course course = ofy().load().key(key).now();
  return SanitizationHelper.isSanitizedHtml(course.getName());
}

代码示例来源：origin: TEAMMATES/teammates

@Override
  public String load(String courseId) {
    List<Instructor> instructors =
        ofy().load().type(Instructor.class).filter("courseId =", courseId).list();
    for (Instructor instructor : instructors) {
      if (StringHelper.isEmpty(instructor.getGoogleId())) {
        continue;
      }
      Account account = ofy().load().key(Key.create(Account.class, instructor.getGoogleId())).now();
      if (account != null && !StringHelper.isEmpty(account.getInstitute())) {
        return account.getInstitute();
      }
    }
    return UNKNOWN_INSTITUTE;
  }
});

代码示例来源：origin: TEAMMATES/teammates

@Override
protected boolean isMigrationNeeded(Key<CourseStudent> key) throws Exception {
  CourseStudent student = ofy().load().key(key).now();
  if (SanitizationHelper.isSanitizedHtml(student.getCourseId())) {
    System.err.println(String.format("Student %s has unsanitized courseId %s, this should not happen",
        student.getUniqueId(), student.getCourseId()));
  }
  if (SanitizationHelper.isSanitizedHtml(student.getEmail())) {
    System.err.println(String.format("Student %s has unsanitized email %s, this should not happen",
        student.getUniqueId(), student.getEmail()));
  }
  if (SanitizationHelper.isSanitizedHtml(student.getGoogleId())) {
    System.err.println(String.format("Student %s has unsanitized googleId %s, this should not happen",
        student.getUniqueId(), student.getGoogleId()));
  }
  if (SanitizationHelper.isSanitizedHtml(student.getSectionName())) {
    System.err.println(String.format("Student %s has unsanitized sectionName %s, this should not happen",
        student.getUniqueId(), student.getSectionName()));
  }
  if (SanitizationHelper.isSanitizedHtml(student.getTeamName())) {
    System.err.println(String.format("Student %s has unsanitized teamName %s, this should not happen",
        student.getUniqueId(), student.getTeamName()));
  }
  return SanitizationHelper.isSanitizedHtml(student.getComments())
      || SanitizationHelper.isSanitizedHtml(student.getLastName())
      || SanitizationHelper.isSanitizedHtml(student.getName());
}

代码示例来源：origin: TEAMMATES/teammates

@Override
  protected void migrateEntity(Key<FeedbackResponseComment> entity) {
    FeedbackResponseComment comment = ofy().load().key(entity).now();
    comment.setCommentGiverType(FeedbackParticipantType.INSTRUCTORS);
    comment.setIsCommentFromFeedbackParticipant(false);
    ofy().save().entity(comment).now();
  }
}

代码示例来源：origin: TEAMMATES/teammates

@Override
  protected void migrateEntity(Key<Course> key) throws Exception {
    Course course = ofy().load().key(key).now();

    course.setName(SanitizationHelper.desanitizeIfHtmlSanitized(course.getName()));

    ofy().save().entity(course).now();
  }
}

代码示例来源：origin: TEAMMATES/teammates

@Override
  protected void migrateEntity(Key<Instructor> key) throws Exception {
    Instructor instructor = ofy().load().key(key).now();

    instructor.setDisplayedName(SanitizationHelper.desanitizeIfHtmlSanitized(instructor.getDisplayedName()));

    ofy().save().entity(instructor).now();
  }
}

代码示例来源：origin: TEAMMATES/teammates

@Override
protected void migrateEntity(Key<Account> oldAccountKey) throws Exception {
  Account oldAccount = ofy().load().key(oldAccountKey).now();
  String oldGoogleId = oldAccount.getGoogleId();
  String newGoogleId = generateNewGoogleId(oldAccount);
  StudentProfile oldStudentProfile = ofy().load().key(oldStudentProfileKey).now();
  List<CourseStudent> oldStudents = ofy().load().type(CourseStudent.class)
      .filter("googleId =", oldGoogleId).list();
  List<Instructor> oldInstructors = ofy().load().type(Instructor.class)
      .filter("googleId =", oldGoogleId).list();
  if (ofy().load().type(Account.class).id(newGoogleId).now() == null) {
    ofy().save().entity(oldAccount).now();
  } else {

代码示例来源：origin: TEAMMATES/teammates

ofy().load().type(CourseStudent.class)
        .filter("createdAt >", queryEntitiesFrom)
        .filter("createdAt <=", queryEntitiesTo);
Query<Account> accountQuery =
    ofy().load().type(Account.class)
        .filter("createdAt >", queryEntitiesFrom)
        .filter("createdAt <=", queryEntitiesTo);

代码示例来源：origin: TEAMMATES/teammates

@Override
  protected void migrateEntity(Key<CourseStudent> key) throws Exception {
    CourseStudent student = ofy().load().key(key).now();

    student.setComments(SanitizationHelper.desanitizeIfHtmlSanitized(student.getComments()));
    student.setName(SanitizationHelper.desanitizeIfHtmlSanitized(student.getName()));
    student.setLastName(SanitizationHelper.desanitizeIfHtmlSanitized(student.getLastName()));

    ofy().save().entity(student).now();
  }
}

代码示例来源：origin: com.threewks.thundr/thundr-gae

protected List<E> loadInternal(Iterable<Key<E>> keys) {
  if (Expressive.isEmpty(keys)) {
    return Collections.<E> emptyList();
  }
  Map<Key<E>, E> results = ofy().load().keys(keys);
  return Expressive.Transformers.transformAllUsing(Expressive.Transformers.usingLookup(results)).from(keys);
}