1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tv.data.epg; 18 19 import android.support.annotation.WorkerThread; 20 21 import com.android.tv.data.Channel; 22 import com.android.tv.data.Program; 23 24 import java.util.List; 25 26 /** 27 * An interface used to retrieve the EPG data. This class should be used in worker thread. 28 */ 29 @WorkerThread 30 public interface EpgReader { 31 /** 32 * Checks if the reader is available. 33 */ isAvailable()34 boolean isAvailable(); 35 36 /** 37 * Returns the timestamp of the current EPG. 38 * The format should be YYYYMMDDHHmmSS as a long value. ex) 20160308141500 39 */ getEpgTimestamp()40 long getEpgTimestamp(); 41 42 /** 43 * Returns the channels list. 44 */ getChannels()45 List<Channel> getChannels(); 46 47 /** 48 * Returns the programs for the given channel. The result is sorted by the start time. 49 * Note that the {@code Program} doesn't have valid program ID because it's not retrieved from 50 * TvProvider. 51 */ getPrograms(long channelId)52 List<Program> getPrograms(long channelId); 53 } 54