| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package android.hardware.camera2.dispatch; |
| |
| |
| import java.lang.reflect.Method; |
| |
| /** |
| * Do nothing when dispatching; follows the null object pattern. |
| */ |
| public class NullDispatcher<T> implements Dispatchable<T> { |
| /** |
| * Create a dispatcher that does nothing when dispatched to. |
| */ |
| public NullDispatcher() { |
| } |
| |
| /** |
| * Do nothing; all parameters are ignored. |
| */ |
| @Override |
| public Object dispatch(Method method, Object[] args) { |
| return null; |
| } |
| } |