Package com.google.appengine.api.datastore

Examples of com.google.appengine.api.datastore.DatastoreService.prepare()

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    SimpleMessage msg = (SimpleMessage) message;
    String kind =  msg.getMessage();
    DatastoreService datastore = getBusiness().getSystemService()
              .getDatastore();
        Query query = new Query(kind);
        PreparedQuery results = datastore.prepare(query);
        int i = 0;
        boolean end = true;
        for (Entity entity : results.asIterable()) {
          datastore.delete(entity.getKey());
          i++;
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          DatastoreService datastore = getBusiness().getSystemService()
              .getDatastore();
          Query query = new Query("_ah_SESSION");
          query.addFilter("_expires", FilterOperator.LESS_THAN,
              System.currentTimeMillis());
          PreparedQuery results = datastore.prepare(query);
          int i = 0;
          boolean end = true;
          for (Entity session : results.asIterable()) {
            datastore.delete(session.getKey());
            i++;
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                Query q = new Query(AC_BASE);
                q.setKeysOnly();

                q.addFilter(PROPERTY_EXPIRES,
                        FilterOperator.LESS_THAN_OR_EQUAL, expire);
                PreparedQuery pq = ds.prepare(q);
                List<Entity> entities = pq.asList(Builder
                        .withLimit(CLEANUP_LIMIT));
                if (entities != null) {
                    getLogger()
                            .log(Level.INFO,
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            {
                Query q = new Query(APPENGINE_SESSION_KIND);
                q.setKeysOnly();
                q.addFilter(PROPERTY_APPENGINE_EXPIRES,
                        FilterOperator.LESS_THAN_OR_EQUAL, expire);
                PreparedQuery pq = ds.prepare(q);
                List<Entity> entities = pq.asList(Builder
                        .withLimit(CLEANUP_LIMIT));
                if (entities != null) {
                    getLogger()
                            .log(Level.INFO,
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    List<Foo> foos = Lists.newArrayList(oss.find(Foo.class).now());
    assertEquals(2, foos.size());

    DatastoreService service = DatastoreServiceFactory.getDatastoreService();
    List<Entity> entities = Lists.newArrayList(service.prepare(new Query("Foo")).asIterable());
    assertEquals(2, entities.size());
    for(Entity e : entities)
    {
      String name = e.getProperty("name").toString();
      assertTrue (name.equals("Fred Flintstone") || name.equals("Barney Rubble"));
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    ShardedJobState state = service.getJobState(jobId);
    assertEquals(new Status(DONE), state.getStatus());
    IncrementalTaskState<IncrementalTask> it = Iterators.getOnlyElement(service.lookupTasks(state));
    assertNull(((TestTask) it.getTask()).getPayload());
    DatastoreService ds = DatastoreServiceFactory.getDatastoreService();
    assertEquals(2, ds.prepare(new Query()).countEntities(FetchOptions.Builder.withDefaults()));
  }

  // TODO(ohler): Test idempotence of startJob() in more depth, especially in
  // the case of errors (incomplete initializations).
  @Test
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    TestTask s2 = new TestTask(1, 2, 2, 1);
    jobService.startJob("testCleanupJob", ImmutableList.of(s1, s2), controller, settings);
    assertFalse(jobService.cleanupJob("testCleanupJob"));
    executeTasksUntilEmpty();
    DatastoreService ds = DatastoreServiceFactory.getDatastoreService();
    assertEquals(3, ds.prepare(new Query()).countEntities(FetchOptions.Builder.withDefaults()));
    assertTrue(jobService.cleanupJob("testCleanupJob"));
    executeTasksUntilEmpty();
    assertEquals(0, ds.prepare(new Query()).countEntities(FetchOptions.Builder.withDefaults()));
  }
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    executeTasksUntilEmpty();
    DatastoreService ds = DatastoreServiceFactory.getDatastoreService();
    assertEquals(3, ds.prepare(new Query()).countEntities(FetchOptions.Builder.withDefaults()));
    assertTrue(jobService.cleanupJob("testCleanupJob"));
    executeTasksUntilEmpty();
    assertEquals(0, ds.prepare(new Query()).countEntities(FetchOptions.Builder.withDefaults()));
  }

  // Tests that an job that has just been initialized returns a reasonable job detail.
  @Test
  public void testGetJobDetail_empty() throws Exception {
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    }

    @Override
    public void completed(Iterator<TestTask> results) {
      DatastoreService ds = DatastoreServiceFactory.getDatastoreService();
      assertEquals(7, ds.prepare(new Query()).countEntities(FetchOptions.Builder.withDefaults()));
      super.completed(results);
    }
  }

  @Test
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            assertEquals(100, counters.getCounter(CounterNames.MAPPER_CALLS).getValue());
            assertTrue(counters.getCounter(CounterNames.MAPPER_WALLTIME_MILLIS).getValue() > 0);

            Query query = new Query("Test");
            for (Entity e : datastoreService.prepare(query).asIterable()) {
              Object mark = e.getProperty("mark");
              assertNotNull(mark);
            }

            List<KeyValue<String, List<Long>>> output =
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