/**
 * 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.facebook.widget;

import com.facebook.model.GraphObject;

interface GraphObjectCursor<T extends GraphObject> {
    boolean isFromCache();

    boolean areMoreObjectsAvailable();

    int getCount();

    int getPosition();

    boolean move(int offset);

    boolean moveToPosition(int position);

    boolean moveToFirst();

    boolean moveToLast();

    boolean moveToNext();

    boolean moveToPrevious();

    boolean isFirst();

    boolean isLast();

    boolean isBeforeFirst();

    boolean isAfterLast();

    T getGraphObject();

    void close();

    boolean isClosed();
}
