| /* |
| * Copyright (C) 2017 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 androidx.work.impl.model; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.RestrictTo; |
| import androidx.room.ColumnInfo; |
| import androidx.room.Entity; |
| import androidx.room.ForeignKey; |
| import androidx.room.Index; |
| |
| /** |
| * Database entity that defines a dependency between two {@link WorkSpec}s. |
| * |
| * @hide |
| */ |
| |
| @Entity(foreignKeys = { |
| @ForeignKey( |
| entity = WorkSpec.class, |
| parentColumns = "id", |
| childColumns = "work_spec_id", |
| onDelete = ForeignKey.CASCADE, |
| onUpdate = ForeignKey.CASCADE), |
| @ForeignKey( |
| entity = WorkSpec.class, |
| parentColumns = "id", |
| childColumns = "prerequisite_id", |
| onDelete = ForeignKey.CASCADE, |
| onUpdate = ForeignKey.CASCADE)}, |
| primaryKeys = {"work_spec_id", "prerequisite_id"}, |
| indices = { |
| @Index(value = {"work_spec_id"}), |
| @Index(value = {"prerequisite_id"})}) |
| @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP) |
| public class Dependency { |
| @NonNull |
| @ColumnInfo(name = "work_spec_id") |
| public final String workSpecId; |
| |
| @NonNull |
| @ColumnInfo(name = "prerequisite_id") |
| public final String prerequisiteId; |
| |
| public Dependency(@NonNull String workSpecId, @NonNull String prerequisiteId) { |
| this.workSpecId = workSpecId; |
| this.prerequisiteId = prerequisiteId; |
| } |
| } |