Java ObjectifyService.begin方法代码示例

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
/**
 * Returns a wrapped class which contains a list of most downloaded
 * gallery apps and total number of results in database
 * @param start starting index of apps you want
 * @param count number of apps you want
 * @return list of {@link GalleryApp}
 */
@Override
public GalleryAppListResult getMostDownloadedApps(int start, final int count) {
  final List<GalleryApp> apps = new ArrayList<GalleryApp>();
  // If I try to run this in runjobwithretries, it tells me can't run
  // non-ancestor query as a transaction. ObjectifyStorageio has some samples
  // of not using transactions (run with) so I grabbed.

  Objectify datastore = ObjectifyService.begin();
  for (GalleryAppData appData:datastore.query(GalleryAppData.class).order("-numDownloads").filter("active", true).offset(start).limit(count)) {
    GalleryApp gApp = new GalleryApp();
    makeGalleryApp(appData, gApp);
    apps.add(gApp);
  }
  int totalCount = datastore.query(GalleryAppData.class).order("-numDownloads").filter("active", true).count();
  return new GalleryAppListResult(apps, totalCount);
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
/**
 * Returns a wrapped class which contains a list of galleryApps
 * by a particular developer and total number of results in database
 * @param userId id of developer
 * @param start starting index of apps you want
 * @param count number of apps you want
 * @return list of {@link GalleryApp}
 */  @Override
public GalleryAppListResult getDeveloperApps(String userId, int start, final int count) {
  final List<GalleryApp> apps = new ArrayList<GalleryApp>();
  // if i try to run this in runjobwithretries it tells me can't run
  // non-ancestor query as a transaction. ObjectifyStorageio has some samples
  // of not using transactions (run with) so i grabbed

  Objectify datastore = ObjectifyService.begin();
  for (GalleryAppData appData:datastore.query(GalleryAppData.class).filter("userId",userId).filter("active", true).offset(start).limit(count)) {
    GalleryApp gApp = new GalleryApp();
    makeGalleryApp(appData, gApp);
    apps.add(gApp);
  }
  int totalCount = datastore.query(GalleryAppData.class).filter("userId",userId).filter("active", true).count();
  return new GalleryAppListResult(apps, totalCount);
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
/**
 * Returns a list of reports (flags) for all comments
 * @return list of {@link GalleryCommentReport}
 */
@Override
public List<GalleryCommentReport> getCommentReports() {
  final List<GalleryCommentReport> reports = new ArrayList<GalleryCommentReport>();
  Objectify datastore = ObjectifyService.begin();
  for (GalleryCommentReportData reportData : datastore.query(GalleryCommentReportData.class).order("-dateCreated")) {
    User commenter = storageIo.getUser(reportData.userId);
    String name="unknown";
    if (commenter!= null) {
       name = commenter.getUserName();
    }
    GalleryCommentReport galleryCommentReport = new GalleryCommentReport(reportData.galleryCommentKey.getId(),
        reportData.userId,reportData.report,reportData.dateCreated);
    galleryCommentReport.setUserName(name);
    reports.add(galleryCommentReport);
  }
  return reports;
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
/**
 * Returns the email with a particular emailId
 * @param emailId id of the email
 */  @Override
public Email getEmail(final long emailId) {
  final Result<Email> result = new Result<Email>();
  // if i try to run this in runjobwithretries it tells me can't run
  // non-ancestor query as a transaction. ObjectifyStorageio has some samples
  // of not using transactions (run with) so i grabbed
  Objectify datastore = ObjectifyService.begin();
  for (EmailData emailData : datastore.query(EmailData.class)
      .filter("id", emailId)/*.order("-datestamp")*/) {
    Email email = new Email(emailData.id, emailData.senderId, emailData.receiverId,
        emailData.title, emailData.body, emailData.datestamp);
    result.t = email;
    break;
  }
  return result.t;
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
@Before
public void setUp() throws Exception {
    helper.setUp();
    session = ObjectifyService.begin();
    sut = new MomentEndpoint(DaoModule.userDAO(),
            DaoModule.friendDAO(),
            DaoModule.momentDAO(),
            new FakeImagesService(),
            new FakeGcmHelper());
    ofy().save().entity(currentUserRecord).now();
    ofy().save().entity(otherUserRecord).now();
    ofy().save().entity(new FriendRecord()
            .setUser(Key.create(currentUserRecord))
            .addFriend(otherUserRecord.getId())).now();
    ofy().save().entity(new FriendRecord()
            .setUser(Key.create(otherUserRecord))
            .addFriend(currentUserRecord.getId())).now();
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
@Before
public void setUp() throws Exception {

  MockitoAnnotations.initMocks(this);
  helper.setUp();
  ds = DatastoreServiceFactory.getDatastoreService();

  //  Set up some fake HTTP requests
  when(mockRequest.getRequestURI()).thenReturn(FAKE_URL);
  when(mockRequest.getParameter("guestbookName")).thenReturn("default");
  when(mockRequest.getParameter("content")).thenReturn(testPhrase);

  stringWriter = new StringWriter();
  when(mockResponse.getWriter()).thenReturn(new PrintWriter(stringWriter));

  servletUnderTest = new SignGuestbookServlet();

  ObjectifyService.register(Guestbook.class);
  ObjectifyService.register(Greeting.class);

  closeable = ObjectifyService.begin();

  cleanDatastore(ds, "default");
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
public List<Float> getPoints(String line) throws IllegalArgumentException {
		QuotaService qs = QuotaServiceFactory.getQuotaService();
        long start = qs.getCpuTimeInMegaCycles();
        Dao.getInstance();
        Objectify ofy = ObjectifyService.begin();
		Key<Line> k = new Key<Line>(Line.class, Long.parseLong(line));
		Line l = Dao.getInstance().getLineByKey(k, ofy);
		Collection<Point> points = Dao.getInstance().getPointsToDisplayForLine(l, ofy);
		List<Float> coords = new ArrayList<Float>();
		for(Point p : points) {
			coords.add(p.getLatlon().getLatitude());
			coords.add(p.getLatlon().getLongitude());
		}
//		Logger.getLogger("AdminInterface").log(Level.INFO, "In getPoints("+line+")");
//		Logger.getLogger("AdminInterface").log(Level.INFO, "Line: " + l.toString());
//		Logger.getLogger("AdminInterface").log(Level.INFO, "Key: " + k.toString());
		long end = qs.getCpuTimeInMegaCycles();
        double cpuSeconds = qs.convertMegacyclesToCpuSeconds(end - start);
        Logger.getLogger("GetPointsServiceImpl").log(Level.INFO, "getPoints() for line " + l.getLinenum() + " " + l.getRamal() + ": " + cpuSeconds + " CPU seconds");
		return coords;
	}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
/**
 * Setup method for the test.
 */
@Before
public void setUp() {

  helper.setUp();
  ObjectifyService.register(TechGalleryUser.class);
  ObjectifyService.register(UserProfile.class);
  ObjectifyService.register(Technology.class);
  ObjectifyService.begin();

  createProfiles();

  ObjectifyService.ofy().save().entity(techGalleryUser).now();
  ObjectifyService.ofy().save().entity(techGalleryUser2).now();
  ObjectifyService.ofy().save().entity(userProfile).now();
  ObjectifyService.ofy().save().entity(userProfile2).now();
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
public static synchronized List<Key<Line>> getTrainKeys() {
	String functionName = "getTrainKeys()";
	if(trainKeys == null || trainKeys.size() == 0) {
		Objectify ofy = ObjectifyService.begin();
		Query<Line> q = ofy.query(Line.class).filter("type", 21);
		List<Key<Line>> keys;
		try {
        	Cache cache = CacheManager.getInstance().getCacheFactory().createCache(Collections.emptyMap());
        	keys = (List<Key<Line>>)cache.get(q.toString());
        	if(keys == null) {
				keys = q.listKeys();
				cache.put(q.toString(), keys);
			}
        } catch (CacheException e) {
        	keys = q.listKeys();
        	Logger.getLogger(location).log(Level.SEVERE, functionName + ": Cache error: " + e);
        	e.printStackTrace();
        }
		trainKeys = keys;
		Logger.getLogger(location).log(Level.INFO, functionName + ": served new trainKeys. #" + trainKeys.size());
	}
	return trainKeys;
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
public SearchResultProxy getTrainConnections(float lat1, float lon1, float lat2, float lon2, boolean ignoreTrains, boolean ignoreSubte) throws IllegalArgumentException {
	QuotaService qs = QuotaServiceFactory.getQuotaService();
       long start = qs.getCpuTimeInMegaCycles();
       Dao.getInstance();
       Objectify ofy = ObjectifyService.begin();
       String functionName = "getTrainConnections";
       HashSet<Key<Line>> tabuTrainsSet = new HashSet<Key<Line>>();
	if(ignoreTrains) {
		tabuTrainsSet.addAll(Dao.getTrainKeys());
	}
	if(ignoreSubte) {
		tabuTrainsSet.addAll(Dao.getSubteKeys());
	}
	ConnectionProxy connTren = Dao.getInstance().indirectSearch(new GeoPt(lat1, lon1), new GeoPt(lat2, lon2), tabuTrainsSet, new HashSet<Key<Line>>(), ofy);
	List<ConnectionProxy> conns = new LinkedList<ConnectionProxy>();
	conns.add(connTren);
       long end = qs.getCpuTimeInMegaCycles();
	double cpuSeconds = qs.convertMegacyclesToCpuSeconds(end - start);
	Logger.getLogger("LineListServiceImpl").log(Level.INFO, functionName + ": " + cpuSeconds + " CPU seconds.");
	if(connTren != null) {
		return new SearchResultProxy(conns, null, null);
	} else {
		return null;
	}
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
@VisibleForTesting
void createRawUserFile(String userId, String fileName, byte[] content) {
  Objectify datastore = ObjectifyService.begin();
  UserFileData ufd = createUserFile(datastore, userKey(userId), fileName);
  if (ufd != null) {
    ufd.content = content;
    datastore.put(ufd);
  }
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
public static void main(String[] args) {
    ObjectifyService.register(Customer.class);
    Closeable closeable = ObjectifyService.begin();

    TestApp app = SpringApplication.run(TestApp.class, args).getBean(TestApp.class);

    app.repository.save(new Customer("Tom", 31));
    app.repository.save(new Customer("Chris", 33));
    app.repository.save(new Customer("Dave", 47));

    System.out.println(app.repository.findAll());
    
    closeable.close();
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
/**
 * Returns total number of GalleryApps
 * @return number of GalleryApps
 */
@Override
public Integer getNumGalleryApps() {
  Objectify datastore = ObjectifyService.begin();
  int num = datastore.query(GalleryAppData.class).count();
  return num;
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
public void checkUpgrade(String userId) {
  if (!conversionEnabled)     // Unless conversion is enabled...
    return;
  Objectify datastore = ObjectifyService.begin();
  UserData userData = datastore.find(userKey(userId));
  if ((userData.upgradedGCS && useGcs) ||
    (!userData.upgradedGCS && !useGcs))
    return;                   // All done.
  Queue queue = QueueFactory.getQueue("blobupgrade");
  queue.add(TaskOptions.Builder.withUrl("/convert").param("user", userId)
    .etaMillis(System.currentTimeMillis() + 60000));
  return;
}
 

import com.googlecode.objectify.ObjectifyService; //导入方法依赖的package包/类
@VisibleForTesting
boolean isGcsFile(long projectId, String fileName) {
  Objectify datastore = ObjectifyService.begin();
  Key<FileData> fileKey = projectFileKey(projectKey(projectId), fileName);
  FileData fd;
  fd = (FileData) memcache.get(fileKey.getString());
  if (fd == null) {
    fd = datastore.find(fileKey);
  }
  if (fd != null) {
    return isTrue(fd.isGCS);
  } else {
    return false;
  }
}