Java Code Examples for com.google.appengine.api.memcache.MemcacheService#delete()

The following examples show how to use com.google.appengine.api.memcache.MemcacheService#delete() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ReceiveMessageServlet.java    From cloud-pubsub-samples-java with Apache License 2.0 5 votes vote down vote up 
@Override
@SuppressWarnings("unchecked")
public final void doPost(final HttpServletRequest req,
                         final HttpServletResponse resp)
        throws IOException {
    // Validating unique subscription token before processing the message
    String subscriptionToken = System.getProperty(
            Constants.BASE_PACKAGE + ".subscriptionUniqueToken");
    if (!subscriptionToken.equals(req.getParameter("token"))) {
        resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        resp.getWriter().close();
        return;
    }

    ServletInputStream inputStream = req.getInputStream();

    // Parse the JSON message to the POJO model class
    JsonParser parser = JacksonFactory.getDefaultInstance()
            .createJsonParser(inputStream);
    parser.skipToKey("message");
    PubsubMessage message = parser.parseAndClose(PubsubMessage.class);

    // Store the message in the datastore
    Entity messageToStore = new Entity("PubsubMessage");
    messageToStore.setProperty("message",
            new String(message.decodeData(), "UTF-8"));
    messageToStore.setProperty("receipt-time", System.currentTimeMillis());
    DatastoreService datastore =
            DatastoreServiceFactory.getDatastoreService();
    datastore.put(messageToStore);

    // Invalidate the cache
    MemcacheService memcacheService =
            MemcacheServiceFactory.getMemcacheService();
    memcacheService.delete(Constants.MESSAGE_CACHE_KEY);

    // Acknowledge the message by returning a success code
    resp.setStatus(HttpServletResponse.SC_OK);
    resp.getWriter().close();
}
Example 2
Source File: TestReport.java    From appengine-tck with Apache License 2.0 5 votes vote down vote up 
/**
 * Persists {@code this} test report to the given {@link com.google.appengine.api.datastore.DatastoreService}
 * and invalidate the cache.
 *
 * @param reports          the reports entry point
 */
public void save(Reports reports) {
    final Entity entity = new Entity(TEST_REPORT, buildTypeId + buildId);
    entity.setProperty("buildTypeId", buildTypeId);
    entity.setProperty("buildId", buildId);
    entity.setProperty("buildDate", buildDate);
    entity.setProperty("buildDuration", buildDuration);
    entity.setProperty("numberOfPassedTests", numberOfPassedTests);
    entity.setProperty("numberOfIgnoredTests", numberOfIgnoredTests);
    entity.setProperty("numberOfFailedTests", numberOfFailedTests);

    final JSONArray jsonArrayFailedTests = new JSONArray();
    for (Test oneFailingTest : failedTests) {
        jsonArrayFailedTests.put(oneFailingTest.asJson());
    }
    entity.setProperty("failedTests", new Text(jsonArrayFailedTests.toString()));

    final JSONArray jsonArrayIgnoredTests = new JSONArray();
    for (Test oneIgnoredTest : ignoredTests) {
        jsonArrayIgnoredTests.put(oneIgnoredTest.asJson());
    }
    entity.setProperty("ignoredTests", new Text(jsonArrayIgnoredTests.toString()));

    final DatastoreService datastoreService = reports.getDatastoreService();
    datastoreService.put(entity);

    final MemcacheService memcacheService = reports.getMemcacheService();
    memcacheService.delete(buildTypeId); // invalidate cache
}
Example 3
Source File: Mutex.java    From yawp with MIT License 4 votes vote down vote up 
public void release() {
    MemcacheService memcache = MemcacheServiceFactory.getMemcacheService(ns);
    memcache.delete(key);
}