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