1 /*
2  * Copyright (C) 2015 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.annotation;
17 
18 import java.lang.annotation.Retention;
19 import java.lang.annotation.Target;
20 
21 import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
22 import static java.lang.annotation.ElementType.FIELD;
23 import static java.lang.annotation.ElementType.LOCAL_VARIABLE;
24 import static java.lang.annotation.ElementType.METHOD;
25 import static java.lang.annotation.ElementType.PARAMETER;
26 import static java.lang.annotation.RetentionPolicy.SOURCE;
27 
28 /**
29  * Denotes that the annotated element should be an int or long in the given range
30  * <p>
31  * Example:
32  * <pre><code>
33  *  &#64;IntRange(from=0,to=255)
34  *  public int getAlpha() {
35  *      ...
36  *  }
37  * </code></pre>
38  *
39  * @hide
40  */
41 @Retention(SOURCE)
42 @Target({METHOD,PARAMETER,FIELD,LOCAL_VARIABLE,ANNOTATION_TYPE})
43 public @interface IntRange {
44     /** Smallest value, inclusive */
from()45     long from() default Long.MIN_VALUE;
46     /** Largest value, inclusive */
to()47     long to() default Long.MAX_VALUE;
48 }