1 /*
2  * Copyright (C) 2014 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.hardware.camera2.dispatch;
17 
18 import java.lang.reflect.Method;
19 
20 /**
21  * Dynamically dispatch a method and its argument to some object.
22  *
23  * <p>This can be used to intercept method calls and do work around them, redirect work,
24  * or block calls entirely.</p>
25  */
26 public interface Dispatchable<T> {
27     /**
28      * Dispatch the method and arguments to this object.
29      * @param method a method defined in class {@code T}
30      * @param args arguments corresponding to said {@code method}
31      * @return the object returned when invoking {@code method}
32      * @throws Throwable any exception that might have been raised while invoking the method
33      */
dispatch(Method method, Object[] args)34     public Object dispatch(Method method, Object[] args) throws Throwable;
35 }
36