/*
 * Copyright 2019 The gRPC Authors
 *
 * 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 io.grpc;

import com.google.common.util.concurrent.ForwardingExecutorService;
import java.util.concurrent.Callable;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;

/**
 * Forwards all methods to delegate.
 */
abstract class ForwardingScheduledExecutorService extends ForwardingExecutorService
    implements ScheduledExecutorService {
  @Override
  protected abstract ScheduledExecutorService delegate();

  @Override
  public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) {
    return delegate().schedule(callable, delay, unit);
  }

  @Override
  public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
    return delegate().schedule(command, delay, unit);
  }

  @Override
  public ScheduledFuture<?> scheduleAtFixedRate(
      Runnable command, long initialDelay, long period, TimeUnit unit) {
    return delegate().scheduleAtFixedRate(command, initialDelay, period, unit);
  }

  @Override
  public ScheduledFuture<?> scheduleWithFixedDelay(
      Runnable command, long initialDelay, long delay, TimeUnit unit) {
    return delegate().scheduleWithFixedDelay(command, initialDelay, delay, unit);
  }
}