| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * 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.android.dialer.p13n.inference; |
| |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.support.annotation.MainThread; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| import com.android.dialer.common.Assert; |
| import com.android.dialer.p13n.inference.protocol.P13nRanker; |
| import com.android.dialer.p13n.inference.protocol.P13nRankerFactory; |
| import java.util.List; |
| |
| /** Single entry point for all personalized ranking. */ |
| public final class P13nRanking { |
| |
| private static P13nRanker ranker; |
| |
| private P13nRanking() {} |
| |
| @MainThread |
| @NonNull |
| public static P13nRanker get(@NonNull Context context) { |
| Assert.isNotNull(context); |
| Assert.isMainThread(); |
| if (ranker != null) { |
| return ranker; |
| } |
| |
| Context application = context.getApplicationContext(); |
| if (application instanceof P13nRankerFactory) { |
| ranker = ((P13nRankerFactory) application).newP13nRanker(); |
| } |
| |
| if (ranker == null) { |
| ranker = |
| new P13nRanker() { |
| @Override |
| public void refresh(@Nullable P13nRefreshCompleteListener listener) {} |
| |
| @Override |
| public List<String> rankList(List<String> phoneNumbers) { |
| return phoneNumbers; |
| } |
| |
| @NonNull |
| @Override |
| public Cursor rankCursor( |
| @NonNull Cursor phoneQueryResults, int phoneNumberColumnIndex) { |
| return phoneQueryResults; |
| } |
| }; |
| } |
| return ranker; |
| } |
| |
| public static void setForTesting(@NonNull P13nRanker ranker) { |
| P13nRanking.ranker = ranker; |
| } |
| } |