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.storagemanager.overlay;
18 
19 import android.app.job.JobParameters;
20 import android.content.Context;
21 
22 /**
23  * Feature provider for automatic storage management jobs.
24  */
25 public interface StorageManagementJobProvider {
26     /**
27      * Starts an asynchronous deletion job to clear out storage older than
28      * @param params Standard JobService parameters.
29      * @param daysToRetain Number of days of information to retain on the device.
30      * @return If the job needs to process the work on a separate thread.
31      */
onStartJob(Context context, JobParameters params, int daysToRetain)32     boolean onStartJob(Context context, JobParameters params, int daysToRetain);
33 
34     /**
35      * Attempt to stop the execution of the job.
36      * @param params Parameters specifying info about this job.
37      * @return If the job should be rescheduled.
38      */
onStopJob(Context context, JobParameters params)39     boolean onStopJob(Context context, JobParameters params);
40 
41     /** Returns the threshold in millis for when to disable the storage manager. */
getDisableThresholdMillis(Context context)42     long getDisableThresholdMillis(Context context);
43 }
44