WorkTag.java
/*
* Copyright 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 mapping from a tag to a {@link WorkSpec} id.
*
* @hide
*/
@Entity(foreignKeys = {
@ForeignKey(
entity = WorkSpec.class,
parentColumns = "id",
childColumns = "work_spec_id",
onDelete = ForeignKey.CASCADE,
onUpdate = ForeignKey.CASCADE)},
primaryKeys = {"tag", "work_spec_id"},
indices = {@Index(value = {"work_spec_id"})})
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
public class WorkTag {
@NonNull
@ColumnInfo(name = "tag")
public final String tag;
@NonNull
@ColumnInfo(name = "work_spec_id")
public final String workSpecId;
public WorkTag(@NonNull String tag, @NonNull String workSpecId) {
this.tag = tag;
this.workSpecId = workSpecId;
}
}