android/support/transition/SyncRunnable.java

/*
 * Copyright (C) 2017 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.support.transition;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

class SyncRunnable implements Runnable {

    private final CountDownLatch mLatch = new CountDownLatch(1);

    @Override
    public void run() {
        mLatch.countDown();
    }

    boolean await() {
        try {
            return mLatch.await(3000, TimeUnit.MILLISECONDS);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
        return false;
    }

}