Java tutorial
/** * Copyright 2010-present Facebook. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.trk.aboutme.facebook.model; import org.json.JSONArray; import java.util.List; /** * GraphObjectList is the primary representation of a collection of graph objects in the Facebook SDK for Android. * It is not implemented by any concrete classes, but rather by a proxy (see the {@link com.trk.aboutme.facebook.model.GraphObject.Factory Factory} * class). A GraphObjectList can actually contain elements of any type, not just graph objects, but its principal * use in the SDK is to contain types derived from GraphObject. * <br/> * * @param <T> the type of elements in the list */ public interface GraphObjectList<T> extends List<T> { // cast method is only supported if T extends GraphObject /** * If T is derived from GraphObject, returns a new GraphObjectList exposing the same underlying data as a new * GraphObject-derived type. * @param graphObjectClass the GraphObject-derived type to return a list of * @return a list representing the same underlying data, exposed as the new GraphObject-derived type * @throws com.trk.aboutme.facebook.FacebookGraphObjectException if T does not derive from GraphObject */ public <U extends GraphObject> GraphObjectList<U> castToListOf(Class<U> graphObjectClass); /** * Gets the underlying JSONArray representation of the data. * @return the underlying JSONArray representation of the data */ public JSONArray getInnerJSONArray(); }