本文整理汇总了Java中com.google.appengine.api.datastore.DatastoreServiceFactory类的典型用法代码示例。如果您正苦于以下问题：Java DatastoreServiceFactory类的具体用法？Java DatastoreServiceFactory怎么用？Java DatastoreServiceFactory使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
DatastoreServiceFactory类属于com.google.appengine.api.datastore包，在下文中一共展示了DatastoreServiceFactory类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: doGet_repeatedPropertyEntities_writesWidgets
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@SuppressWarnings("VariableDeclarationUsageDistance")
@Test
public void doGet_repeatedPropertyEntities_writesWidgets() throws Exception {
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
// [START exploding_index_example_3]
Entity widget = new Entity("Widget");
widget.setProperty("x", Arrays.asList(1, 2, 3, 4));
widget.setProperty("y", Arrays.asList("red", "green", "blue"));
widget.setProperty("date", new Date());
datastore.put(widget);
// [END exploding_index_example_3]
servletUnderTest.doGet(mockRequest, mockResponse);
assertThat(responseWriter.toString())
.named("IndexesServlet response")
.isEqualTo("Got 1 widgets.\n");
}
示例2: saveFile
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
/**
* Save Full File
*
* @param inputStream
*/
private static void saveFile(InputStream inputStream) {
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("CET"));
time.set(Calendar.HOUR_OF_DAY,0);
time.set(Calendar.MINUTE,0);
time.set(Calendar.SECOND,0);
Date measuredAt = time.getTime();
long millis = time.getTimeInMillis();
//
Entity entity = new Entity(ENTITY_TYPE_FICHEROS,millis);
entity.setIndexedProperty("Date", measuredAt);
entity.setUnindexedProperty("File", GlobalUtils.getString(inputStream));
// Store
datastore.put(entity);
}
示例3: doGet
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws IOException {
resp.setContentType("text/html");
resp.getWriter().println("<html><body>");
DatastoreService datastore = DatastoreServiceFactory
.getDatastoreService();
Query query = new Query("SharedList");
query.addSort(Entity.KEY_RESERVED_PROPERTY, SortDirection.ASCENDING);
List<Entity> results = datastore.prepare(query).asList(
FetchOptions.Builder.withDefaults());
for (Entity entity : results) {
String email = (String) entity.getProperty("email");
String productID = (String) entity.getKey().getName();
String productName = (String) entity.getProperty("productName");
Date sharedDate = (Date) entity.getProperty("sharedDate");
resp.getWriter().println(
email + " shared <a href=\"http://www.amazon.com/dp/"
+ productID + "\" target=\"_blank\">" + "<b>"
+ productName + "</b></a>!<br>");
}
resp.getWriter().println("</body></html>");
}
示例4: getEntitiesBrowser
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@GET
@Produces(MediaType.TEXT_XML)
public List<SharedProduct> getEntitiesBrowser() {
List<SharedProduct> list = new ArrayList<SharedProduct>();
DatastoreService datastore = DatastoreServiceFactory
.getDatastoreService();
Query query = new Query("SharedList");
query.addSort(Entity.KEY_RESERVED_PROPERTY, SortDirection.ASCENDING);
List<Entity> results = datastore.prepare(query).asList(
FetchOptions.Builder.withDefaults());
for (Entity entity : results) {
String email = (String) entity.getProperty("email");
String productID = (String) entity.getKey().getName();
String productName = (String) entity.getProperty("productName");
Date sharedDate = (Date) entity.getProperty("sharedDate");
list.add(new SharedProduct(email, productID, productName,
sharedDate));
}
return list;
}
示例5: getEntities
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@GET
@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public List<SharedProduct> getEntities() {
List<SharedProduct> list = new ArrayList<SharedProduct>();
DatastoreService datastore = DatastoreServiceFactory
.getDatastoreService();
Query query = new Query("SharedList");
query.addSort(Entity.KEY_RESERVED_PROPERTY, SortDirection.ASCENDING);
List<Entity> results = datastore.prepare(query).asList(
FetchOptions.Builder.withDefaults());
for (Entity entity : results) {
String email = (String) entity.getProperty("email");
String productID = (String) entity.getKey().getName();
String productName = (String) entity.getProperty("productName");
Date sharedDate = (Date) entity.getProperty("sharedDate");
list.add(new SharedProduct(email, productID, productName,
sharedDate));
}
return list;
}
示例6: newSharedProduct
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@POST
@Produces(MediaType.TEXT_HTML)
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
public void newSharedProduct(@FormParam("productID") String productID,
@FormParam("productName") String productName,
@Context HttpServletResponse servletResponse) throws Exception {
UserService userService = UserServiceFactory.getUserService();
User user = userService.getCurrentUser();
if (user == null) {
System.out.println("Login first");
return;
}
DatastoreService datastore = DatastoreServiceFactory
.getDatastoreService();
Entity entity = new Entity("SharedList", productID);
entity.setProperty("email", user.getEmail());
entity.setProperty("productName", productName);
entity.setProperty("sharedDate", new Date());
datastore.put(entity);
servletResponse.getWriter().println(productName + " has been added.");
servletResponse.flushBuffer();
}
示例7: getHTML
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@GET
@Produces(MediaType.TEXT_XML)
public WishlistProduct getHTML() {
DatastoreService datastore = DatastoreServiceFactory
.getDatastoreService();
try {
Key entKey = KeyFactory.createKey(email, productID);
Entity entity = datastore.get(entKey);
String productName = (String) entity.getProperty("productName");
double currentPrice = (double) entity.getProperty("currentPrice");
double lowestPrice = (double) entity.getProperty("lowestPrice");
Date lowestDate = (Date) entity.getProperty("lowestDate");
return new WishlistProduct(productID, productName, currentPrice,
lowestPrice, lowestDate);
} catch (EntityNotFoundException e) {
throw new RuntimeException("GET: Wishlist with " + productID
+ " not found.");
}
}
示例8: get
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@GET
@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public WishlistProduct get() {
DatastoreService datastore = DatastoreServiceFactory
.getDatastoreService();
try {
Key entKey = KeyFactory.createKey(email, productID);
Entity entity = datastore.get(entKey);
String productName = (String) entity.getProperty("productName");
double currentPrice = (double) entity.getProperty("currentPrice");
double lowestPrice = (double) entity.getProperty("lowestPrice");
Date lowestDate = (Date) entity.getProperty("lowestDate");
return new WishlistProduct(productID, productName, currentPrice,
lowestPrice, lowestDate);
} catch (EntityNotFoundException e) {
throw new RuntimeException("GET: Wishlist with " + productID
+ " not found.");
}
}
示例9: testJobIdAndNumJobs_fails
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@Test
public void testJobIdAndNumJobs_fails() throws Exception {
action = new MapreduceEntityCleanupAction(
Optional.of("jobid"),
Optional.empty(), // jobName
Optional.of(1), // numJobsToDelete
Optional.empty(), // daysOld
Optional.empty(), // force
mapreduceEntityCleanupUtil,
clock,
DatastoreServiceFactory.getDatastoreService(),
response);
action.run();
assertThat(response.getStatus()).isEqualTo(SC_BAD_REQUEST);
assertThat(response.getContentType()).isEqualTo(PLAIN_TEXT_UTF_8);
assertThat(response.getPayload())
.isEqualTo("Do not specify both a job ID and a number of jobs to delete");
assertNumMapreducesAndShardedJobs(0, 0);
}
示例10: testDeleteZeroJobs_throwsUsageError
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@Test
public void testDeleteZeroJobs_throwsUsageError() throws Exception {
new MapreduceEntityCleanupAction(
Optional.empty(), // jobId
Optional.empty(), // jobName
Optional.of(0), // numJobsToDelete
Optional.empty(), // daysOld
Optional.empty(), // force
mapreduceEntityCleanupUtil,
clock,
DatastoreServiceFactory.getDatastoreService(),
response)
.run();
assertThat(response.getStatus()).isEqualTo(SC_BAD_REQUEST);
assertThat(response.getPayload())
.isEqualTo("Do not specify a non-positive integer for the number of jobs to delete");
}
示例11: doPost
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp)
throws IOException {
UserService userService = UserServiceFactory.getUserService();
User user = userService.getCurrentUser();
String guestbookName = req.getParameter("guestbookName");
Key guestbookKey = KeyFactory.createKey("Guestbook", guestbookName);
String content = req.getParameter("content");
Date date = new Date();
Entity greeting = new Entity("Greeting", guestbookKey);
if (user != null) {
greeting.setProperty("author_id", user.getUserId());
greeting.setProperty("author_email", user.getEmail());
}
greeting.setProperty("date", date);
greeting.setProperty("content", content);
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
datastore.put(greeting);
resp.sendRedirect("/guestbook.jsp?guestbookName=" + guestbookName);
}
示例12: doGet
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
Error error = Error.NONE;
String jsonEnd = HtmlVariable.AVAILABLE.getName();
String userId = req.getParameter(HtmlVariable.USER_ID.getName());
if(userId == null || userId.length() == 0) {
error = Error.REQUIRED_USER_ID;
jsonEnd = jsonEnd + "\": false }";
}
else {
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
User user = UserFactory.getByUserId(datastore, null, userId);
jsonEnd = (user != null) ? jsonEnd + "\": false }" : jsonEnd + "\": true }";
}
String jsonStart = "{ \"" + HtmlVariable.ERROR.getName() + "\": " + error.toString() + ", \"";
resp.setContentType("application/json; charset=UTF-8");
resp.getWriter().print(jsonStart + jsonEnd);
}
示例13: doPost
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp)
throws IOException {
UserService userService = UserServiceFactory.getUserService();
User user = userService.getCurrentUser();
String guestbookName = req.getParameter("guestbookName");
Key guestbookKey = KeyFactory.createKey("Guestbook", guestbookName);
String content = req.getParameter("content");
Date date = new Date();
Entity greeting = new Entity("Greeting", guestbookKey);
greeting.setProperty("user", user);
greeting.setProperty("date", date);
greeting.setProperty("content", content);
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
datastore.put(greeting);
resp.sendRedirect("/guestbook.jsp?guestbookName=" + guestbookName);
}
示例14: contextInitialized
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
@Override
public void contextInitialized(ServletContextEvent event) {
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
Key key = KeyFactory.createKey(ENTITY_KIND, ENTITY_KEY);
Entity entity;
try {
entity = datastore.get(key);
} catch(EntityNotFoundException e) {
entity = new Entity(key);
// NOTE: it's not possible to change entities in the local server, so
// it will be necessary to hardcode the API key below if you are running
// it locally.
entity.setProperty(ACCESS_KEY_FIELD,
API_KEY);
datastore.put(entity);
mLogger.severe("Created fake key. Please go to App Engine admin "
+ "console, change its value to your API Key (the entity "
+ "type is '" + ENTITY_KIND + "' and its field to be changed is '"
+ ACCESS_KEY_FIELD + "'), then restart the server!");
}
String accessKey = (String) entity.getProperty(ACCESS_KEY_FIELD);
event.getServletContext().setAttribute(ATTRIBUTE_ACCESS_KEY, accessKey);
}
示例15: getAccountKeyByAuthKey
import com.google.appengine.api.datastore.DatastoreServiceFactory; //导入依赖的package包/类
/**
* Returns the Account key associated with the specified authorization key.
* @param pm reference to the persistence manager
* @param authorizationKey authorization key to return the account key for
* @return the Account key associated with the specified authorization key; or <code>null</code> if the authorization key is invalid
*/
public static Key getAccountKeyByAuthKey( final PersistenceManager pm, final String authorizationKey ) {
final String memcacheKey = CACHE_KEY_AUTH_KEY_ACCOUNT_KEY_PREFIX + authorizationKey;
final String accountKeyString = (String) memcacheService.get( memcacheKey );
if ( accountKeyString != null )
return KeyFactory.stringToKey( accountKeyString );
final Query q = new Query( Account.class.getSimpleName() );
q.setFilter( new FilterPredicate( "authorizationKey", FilterOperator.EQUAL, authorizationKey ) );
q.setKeysOnly();
final List< Entity > entityList = DatastoreServiceFactory.getDatastoreService().prepare( q ).asList( FetchOptions.Builder.withDefaults() );
if ( entityList.isEmpty() )
return null;
final Key accountKey = entityList.get( 0 ).getKey();
try {
memcacheService.put( memcacheKey, KeyFactory.keyToString( accountKey ) );
}
catch ( final MemcacheServiceException mse ) {
LOGGER.log( Level.WARNING, "Failed to put key to memcache: " + memcacheKey, mse );
// Ignore memcache errors, do not prevent serving user request
}
return accountKey;
}