1 /*
2  * Copyright (C) 2011 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 android.util;
17 
18 /**
19  * An implementation of {@link android.util.Property} to be used specifically with fields of type
20  * <code>int</code>. This type-specific subclass enables performance benefit by allowing
21  * calls to a {@link #setValue(Object, int) setValue()} function that takes the primitive
22  * <code>int</code> type and avoids autoboxing and other overhead associated with the
23  * <code>Integer</code> class.
24  *
25  * @param <T> The class on which the Property is declared.
26  */
27 public abstract class IntProperty<T> extends Property<T, Integer> {
28 
IntProperty(String name)29     public IntProperty(String name) {
30         super(Integer.class, name);
31     }
32 
33     /**
34      * A type-specific variant of {@link #set(Object, Integer)} that is faster when dealing
35      * with fields of type <code>int</code>.
36      */
setValue(T object, int value)37     public abstract void setValue(T object, int value);
38 
39     @Override
set(T object, Integer value)40     final public void set(T object, Integer value) {
41         setValue(object, value.intValue());
42     }
43 
44 }