1 /*
2  * Copyright (C) 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 
17 package com.android.timezone.distro;
18 
19 /**
20  * Information about a staged time zone distro operation.
21  */
22 public class StagedDistroOperation {
23 
24     private static final StagedDistroOperation UNINSTALL_STAGED =
25             new StagedDistroOperation(true /* isUninstall */, null /* stagedVersion */);
26 
27     public final boolean isUninstall;
28     public final DistroVersion distroVersion;
29 
StagedDistroOperation(boolean isUninstall, DistroVersion distroVersion)30     private StagedDistroOperation(boolean isUninstall, DistroVersion distroVersion) {
31         this.isUninstall = isUninstall;
32         this.distroVersion = distroVersion;
33     }
34 
install(DistroVersion distroVersion)35     public static StagedDistroOperation install(DistroVersion distroVersion) {
36         if (distroVersion == null) {
37             throw new NullPointerException("distroVersion==null");
38         }
39         return new StagedDistroOperation(false /* isUninstall */, distroVersion);
40     }
41 
uninstall()42     public static StagedDistroOperation uninstall() {
43         return UNINSTALL_STAGED;
44     }
45 
46     @Override
equals(Object o)47     public boolean equals(Object o) {
48         if (this == o) {
49             return true;
50         }
51         if (o == null || getClass() != o.getClass()) {
52             return false;
53         }
54 
55         StagedDistroOperation that = (StagedDistroOperation) o;
56 
57         if (isUninstall != that.isUninstall) {
58             return false;
59         }
60         return distroVersion != null ? distroVersion.equals(that.distroVersion)
61                 : that.distroVersion == null;
62     }
63 
64     @Override
hashCode()65     public int hashCode() {
66         int result = (isUninstall ? 1 : 0);
67         result = 31 * result + (distroVersion != null ? distroVersion.hashCode() : 0);
68         return result;
69     }
70 
71     @Override
toString()72     public String toString() {
73         return "StagedDistroOperation{" +
74                 "isUninstall=" + isUninstall +
75                 ", distroVersion=" + distroVersion +
76                 '}';
77     }
78 }
79