1 /* GENERATED SOURCE. DO NOT MODIFY. */
2 /*
3  * Copyright (C) 2015 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package tests.util;
18 /**
19  * Runner which executes the provided code under test (via a callback) for each provided input
20  * value.
21  * @hide This class is not part of the Android public SDK API
22  */
23 public final class ForEachRunner {
24     /**
25      * Callback parameterized with a value.
26      * @hide This class is not part of the Android public SDK API
27      */
28     public interface Callback<T> {
29         /**
30          * Invokes the callback for the provided value.
31          */
run(T value)32         void run(T value) throws Exception;
33     }
ForEachRunner()34     private ForEachRunner() {}
35     /**
36      * Invokes the provided callback for each of the provided named values.
37      *
38      * @param namesAndValues named values represented as name-value pairs.
39      *
40      * @param <T> type of value.
41      */
runNamed(Callback<T> callback, Iterable<Pair<String, T>> namesAndValues)42     public static <T> void runNamed(Callback<T> callback, Iterable<Pair<String, T>> namesAndValues)
43             throws Exception {
44         for (Pair<String, T> nameAndValue : namesAndValues) {
45             try {
46                 callback.run(nameAndValue.getSecond());
47             } catch (Throwable e) {
48                 throw new Exception("Failed for " + nameAndValue.getFirst() + ": " + e.getMessage(), e);
49             }
50         }
51     }
52 }
53