1 /* 2 * Copyright (C) 2017 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.server.backup.transport; 18 19 import android.annotation.Nullable; 20 21 import com.android.server.backup.transport.BackupTransportClient; 22 23 /** 24 * Listener to be called by {@link TransportConnection#connectAsync(TransportConnectionListener, 25 * String)}. 26 */ 27 public interface TransportConnectionListener { 28 /** 29 * Called when {@link TransportConnection} has a transport client available or that it decided 30 * it couldn't obtain one, in which case {@param transport} is null. 31 * 32 * @param transportClient A {@link BackupTransportClient} transport or null. 33 * @param transportConnection The {@link TransportConnection} used to retrieve this transport 34 * client. 35 */ onTransportConnectionResult( @ullable BackupTransportClient transportClient, TransportConnection transportConnection)36 void onTransportConnectionResult( 37 @Nullable BackupTransportClient transportClient, 38 TransportConnection transportConnection); 39 } 40