public class

WorkTag

extends java.lang.Object

 java.lang.Object

↳androidx.work.impl.model.WorkTag

Overview

Database entity that defines a mapping from a tag to a WorkSpec id.

Summary

Fields
public final java.lang.Stringtag

public final java.lang.StringworkSpecId

Constructors
publicWorkTag(java.lang.String tag, java.lang.String workSpecId)

Methods
from java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Fields

public final java.lang.String tag

public final java.lang.String workSpecId

Constructors

public WorkTag(java.lang.String tag, java.lang.String workSpecId)

Source

/*
 * 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;
    }
}