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      1 /*
      2  * Copyright 2018 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 
     17 package androidx.work.impl.model;
     18 
     19 import android.arch.persistence.room.ColumnInfo;
     20 import android.arch.persistence.room.Entity;
     21 import android.arch.persistence.room.ForeignKey;
     22 import android.arch.persistence.room.PrimaryKey;
     23 import android.support.annotation.NonNull;
     24 import android.support.annotation.RestrictTo;
     25 
     26 /**
     27  * Stores system ids for a {@link WorkSpec} id.
     28  *
     29  * @hide
     30  */
     31 @Entity(foreignKeys = {
     32                 @ForeignKey(
     33                         entity = WorkSpec.class,
     34                         parentColumns = "id",
     35                         childColumns = "work_spec_id",
     36                         onDelete = ForeignKey.CASCADE,
     37                         onUpdate = ForeignKey.CASCADE)})
     38 @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
     39 public class SystemIdInfo {
     40     @NonNull
     41     @PrimaryKey
     42     @ColumnInfo(name = "work_spec_id")
     43     public final String workSpecId;
     44 
     45     @ColumnInfo(name = "system_id")
     46     public final int systemId;
     47 
     48     public SystemIdInfo(@NonNull String workSpecId, int systemId) {
     49         this.workSpecId = workSpecId;
     50         this.systemId = systemId;
     51     }
     52 
     53     @Override
     54     public boolean equals(Object o) {
     55         if (this == o) return true;
     56         if (o == null || getClass() != o.getClass()) return false;
     57 
     58         SystemIdInfo that = (SystemIdInfo) o;
     59 
     60         if (systemId != that.systemId) return false;
     61         return workSpecId.equals(that.workSpecId);
     62     }
     63 
     64     @Override
     65     public int hashCode() {
     66         int result = workSpecId.hashCode();
     67         result = 31 * result + systemId;
     68         return result;
     69     }
     70 }
     71