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 */ 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 */ 41 void onAllConstraintsNotMet(@NonNull List<String> workSpecIds); 42 } 43
