| /* |
| * Copyright (C) 2014 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.server.notification; |
| |
| import android.util.Slog; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Sorts notifications by their global sort key. |
| */ |
| public class GlobalSortKeyComparator implements Comparator<NotificationRecord> { |
| private final static String TAG = "GlobalSortComp"; |
| |
| @Override |
| public int compare(NotificationRecord left, NotificationRecord right) { |
| if (left.getGlobalSortKey() == null) { |
| Slog.wtf(TAG, "Missing left global sort key: " + left); |
| return 1; |
| } |
| if (right.getGlobalSortKey() == null) { |
| Slog.wtf(TAG, "Missing right global sort key: " + right); |
| return -1; |
| } |
| return left.getGlobalSortKey().compareTo(right.getGlobalSortKey()); |
| } |
| } |