java/src/main/com/google/appengine/api/datastore/QueryResultList.java

   1 // Copyright 2009 Google Inc. All Rights Reserved.
   2 package com.google.appengine.api.datastore;
   3
   4 import java.util.List;
   5
   6 /**
   7  * A list of results returned by executing a {@link Query}.
   8  *
   9  * @param <T> the type of result returned by the query
  10  *
  11  */
  12 public interface QueryResultList<T> extends List<T> {
  13   /**
  14    * Get the indexes used to perform the query.
  15    *
  16    * @return A list of index references, with no duplicates, or {@code null} if
  17    * the indexes are not known.
  18    */
  19   List<Index> getIndexList();
  20
  21   /**
  22    * Gets a {@link Cursor} that points to the result immediately after
  23    * the last one in this list.
  24    *
  25    * @return a {@link Cursor} or {@code null} if this query result cannot be resumed. (Note that
  26    *     a Cursor is returned even if the end of the result list has been reached).
  27    */
  28   Cursor getCursor();
  29 }