1 /*
2  * Copyright (C) 2010 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 package com.android.gallery3d.util;
17 
18 import com.android.gallery3d.common.Utils;
19 
20 public class UpdateHelper {
21 
22     private boolean mUpdated = false;
23 
update(int original, int update)24     public int update(int original, int update) {
25         if (original != update) {
26             mUpdated = true;
27             original = update;
28         }
29         return original;
30     }
31 
update(long original, long update)32     public long update(long original, long update) {
33         if (original != update) {
34             mUpdated = true;
35             original = update;
36         }
37         return original;
38     }
39 
update(double original, double update)40     public double update(double original, double update) {
41         if (original != update) {
42             mUpdated = true;
43             original = update;
44         }
45         return original;
46     }
47 
update(T original, T update)48     public <T> T update(T original, T update) {
49         if (!Utils.equals(original, update)) {
50             mUpdated = true;
51             original = update;
52         }
53         return original;
54     }
55 
isUpdated()56     public boolean isUpdated() {
57         return mUpdated;
58     }
59 }
60