| /* |
| * 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 com.android.camera.async; |
| |
| /** |
| * A {@link Pollable} which always returns a constant value. |
| * |
| * @param <T> |
| */ |
| public class ConstantPollable<T> implements Pollable<T> { |
| private final T mValue; |
| |
| public ConstantPollable(T value) { |
| mValue = value; |
| } |
| |
| @Override |
| public T get(T defaultValue) { |
| return mValue; |
| } |
| |
| @Override |
| public T get() throws NoValueSetException { |
| return mValue; |
| } |
| } |