1 /*
2  * Copyright 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 package androidx.work.impl.constraints;
17 
18 import android.support.annotation.NonNull;
19 
20 import androidx.work.impl.model.WorkSpec;
21 
22 import java.util.List;
23 
24 /**
25  * A callback for when constraints change.
26  */
27 
28 public interface WorkConstraintsCallback {
29     /**
30      * Called when all constraints are met.
31      *
32      * @param workSpecIds A list of {@link WorkSpec} IDs that may be eligible to run
33      */
onAllConstraintsMet(@onNull List<String> workSpecIds)34     void onAllConstraintsMet(@NonNull List<String> workSpecIds);
35 
36     /**
37      * Called when all constraints are not met.
38      *
39      * @param workSpecIds A list of {@link WorkSpec} IDs that are not eligible to run
40      */
onAllConstraintsNotMet(@onNull List<String> workSpecIds)41     void onAllConstraintsNotMet(@NonNull List<String> workSpecIds);
42 }
43