Package com.google.appengine.api.datastore

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

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      Query q = new Query("Boleto");
      //q.addFilter("statusBoleto", Query.FilterOperator.EQUAL, "A");

      Map<String, Entity> mB = new HashMap<String, Entity>();
      for (Entity e : ds.prepare(q).asIterable())
        mB.put((String)e.getProperty("codigo"), e);

      System.out.println("RES : " + mB.size());

      int tUpdate2 = 0;
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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) {
                    log.info("Vaadin cleanup deleting " + entities.size()
                            + " expired Vaadin sessions.");
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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) {
                    log.info("Vaadin cleanup deleting " + entities.size()
                            + " expired appengine sessions.");
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    // Build a query, serching on Comment entities
    Query query = new Query("Comment").setAncestor(entry.getKey());

    // Submit the query
    PreparedQuery pq = datastore.prepare(query);

    ArrayList<Comment> comments = new ArrayList<Comment>();

    // Iterate over the results from the query
    for (Entity result : pq.asIterable()) {
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    query.setKeysOnly();
   
    // Get an instance of the data store controller
    DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
    // Submit the previously prepared query
    PreparedQuery pq = datastore.prepare(query);
   
    ArrayList<Key> dataEntryKeys = new ArrayList<Key>();
    for (Entity result : pq.asIterable()) {
      Key dataEntry_key = result.getParent().getParent();
      dataEntryKeys.add(dataEntry_key);
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      for(String field: fields) {
        Query query = new Query("Patient");
        query.addFilter(field, Query.FilterOperator.EQUAL, keyword);
        query.setKeysOnly();
        // Submit the query
        PreparedQuery pq = datastore.prepare(query);
        for (Entity result : pq.asIterable()) {
          Key patients_key = result.getKey();
          Query data_query = new Query("DataEntry", patients_key);
          PreparedQuery dq = datastore.prepare(data_query);
          for (Entity de : dq.asIterable()) {
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        // Submit the query
        PreparedQuery pq = datastore.prepare(query);
        for (Entity result : pq.asIterable()) {
          Key patients_key = result.getKey();
          Query data_query = new Query("DataEntry", patients_key);
          PreparedQuery dq = datastore.prepare(data_query);
          for (Entity de : dq.asIterable()) {
            dataEntryKeys.add(de.getKey());
          }
         }
      }
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    if(gender != null) {
      query.addFilter("Gender", Query.FilterOperator.EQUAL, gender.toString());
    }
   
    ArrayList<Key> dataEntryKeys = new ArrayList<Key>();
    PreparedQuery pq = datastore.prepare(query);
    for (Entity result : pq.asIterable()) {
      Key patients_key = result.getKey();
      Query data_query = new Query("DataEntry", patients_key);
      PreparedQuery dq = datastore.prepare(data_query);
      for (Entity de : dq.asIterable()) {
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    ArrayList<Key> dataEntryKeys = new ArrayList<Key>();
    PreparedQuery pq = datastore.prepare(query);
    for (Entity result : pq.asIterable()) {
      Key patients_key = result.getKey();
      Query data_query = new Query("DataEntry", patients_key);
      PreparedQuery dq = datastore.prepare(data_query);
      for (Entity de : dq.asIterable()) {
        dataEntryKeys.add(de.getKey());
      }
    }
    return dataEntryKeys;
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    String report =  "";
   
    Query query = new Query("Patient");
    query.setKeysOnly();
    DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
    PreparedQuery pq = datastore.prepare(query);
    report+= "Patients in system: " + pq.countEntities(Builder.withDefaults());
   
    Query de_query = new Query("DataEntry");
    query.setKeysOnly();
    PreparedQuery de_q = datastore.prepare(de_query);
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