content: /*
   *  Copyright (C) 2010-2012 Stichting Akvo (Akvo Foundation)
   *
   *  This file is part of Akvo FLOW.
   *
   *  Akvo FLOW is free software: you can redistribute it and modify it under the terms of
   *  the GNU Affero General Public License (AGPL) as published by the Free Software Foundation,
   *  either version 3 of the License or any later version.
   *
   *  Akvo FLOW is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   *  See the GNU Affero General Public License included below for more details.
   *
   *  The full license text can also be seen at <http://www.gnu.org/licenses/agpl.html>.
   */
  
  package org.waterforpeople.mapping.app.web.test;
  
  import java.util.ArrayList;
  
  import com.google.appengine.api.datastore.DatastoreService;
  import com.google.appengine.api.datastore.DatastoreServiceFactory;
  import com.google.appengine.api.datastore.Entity;
  import com.google.appengine.api.datastore.FetchOptions;
  import com.google.appengine.api.datastore.Key;
  import com.google.appengine.api.datastore.Query;
  
  public class DeleteObjectUtil {
      public void deleteAllObjects(String kind) {
          final DatastoreService dss = DatastoreServiceFactory
                  .getDatastoreService();
  
          final Query query = new Query(kind);
  
          query.setKeysOnly();
  
          final ArrayList<Key> keys = new ArrayList<Key>();
  
          for (final Entity entity : dss.prepare(query).asIterable(
                  FetchOptions.Builder.withLimit(100000))) {
              keys.add(entity.getKey());
          }
          dss.delete(keys);
      }
  }
  