Examples with DatastoreService com.google.appengine.api.datastore.DatastoreService used on opensource projects

Example 16 with DatastoreService

use of com.google.appengine.api.datastore.DatastoreService in project java-docs-samples by GoogleCloudPlatform.

the class RemoteApiExample method main.

/**
 * A simple API client.
 *
 * @param args .
 * @throws IOException .
 */
public static void main(String[] args) throws IOException {
    String serverString = args[0];
    RemoteApiOptions options;
    if (serverString.equals("localhost")) {
        options = new RemoteApiOptions().server(serverString, 8080).useDevelopmentServerCredential();
    } else {
        options = new RemoteApiOptions().server(serverString, 443).useApplicationDefaultCredential();
    }
    RemoteApiInstaller installer = new RemoteApiInstaller();
    installer.install(options);
    try {
        DatastoreService ds = DatastoreServiceFactory.getDatastoreService();
        System.out.println("Key of new entity is " + ds.put(new Entity("Hello Remote API!")));
    } finally {
        installer.uninstall();
    }
}

Example 17 with DatastoreService

use of com.google.appengine.api.datastore.DatastoreService in project cloudinary_java by cloudinary.

the class PhotoController method listPhotos.

@RequestMapping(value = "/", method = RequestMethod.GET)
public String listPhotos(ModelMap model) {
    DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
    Key photoKey = KeyFactory.createKey("photos", "album");
    List<Entity> photoEntities = datastore.prepare(new Query("photo", photoKey)).asList(FetchOptions.Builder.withDefaults());
    List<PhotoUpload> photos = new java.util.ArrayList<PhotoUpload>();
    for (int i = 0, n = photoEntities.size(); i < n; i++) {
        photos.add(new PhotoUpload(photoEntities.get(i)));
    }
    model.addAttribute("photos", photos);
    return "photos";
}

Example 18 with DatastoreService

use of com.google.appengine.api.datastore.DatastoreService in project google-oauth-java-client by googleapis.

the class AppEngineCredentialStore method delete.

@Override
public void delete(String userId, Credential credential) {
    DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
    Key key = KeyFactory.createKey(KIND, userId);
    datastore.delete(key);
}

Example 19 with DatastoreService

use of com.google.appengine.api.datastore.DatastoreService in project java-docs-samples by GoogleCloudPlatform.

the class TransactionsTest method creatingAnEntityInASpecificEntityGroup.

@Test
@SuppressWarnings("checkstyle:AbbreviationAsWordInName")
public void creatingAnEntityInASpecificEntityGroup() throws Exception {
    String boardName = "my-message-board";
    // [START creating_an_entity_in_a_specific_entity_group]
    DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
    String messageTitle = "Some Title";
    String messageText = "Some message.";
    Date postDate = new Date();
    Key messageBoardKey = KeyFactory.createKey("MessageBoard", boardName);
    Entity message = new Entity("Message", messageBoardKey);
    message.setProperty("message_title", messageTitle);
    message.setProperty("message_text", messageText);
    message.setProperty("post_date", postDate);
    Transaction txn = datastore.beginTransaction();
    datastore.put(txn, message);
    txn.commit();
// [END creating_an_entity_in_a_specific_entity_group]
}

Example 20 with DatastoreService

use of com.google.appengine.api.datastore.DatastoreService in project java-docs-samples by GoogleCloudPlatform.

the class TransactionsTest method transactionalTaskEnqueuing.

@Test
public void transactionalTaskEnqueuing() throws Exception {
    // [START transactional_task_enqueuing]
    DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
    Queue queue = QueueFactory.getDefaultQueue();
    Transaction txn = datastore.beginTransaction();
    // ...
    queue.add(txn, TaskOptions.Builder.withUrl("/path/to/handler"));
    // ...
    txn.commit();
// [END transactional_task_enqueuing]
}