content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.beam.sdk.transforms.reflect;
  
  import org.apache.beam.sdk.transforms.DoFn;
  import org.apache.beam.sdk.transforms.DoFn.OnTimer;
  import org.apache.beam.sdk.transforms.DoFn.TimerId;
  
  /**
   * Dynamically generates {@link OnTimerInvoker} instances for invoking a particular {@link TimerId}
   * on a particular {@link DoFn}.
   */
  class OnTimerInvokers {
  
    /**
     * Returns an invoker that will call the given {@link DoFn DoFn's} {@link OnTimer @OnTimer} method
     * for the given {@code timerId}, using a default choice of {@link OnTimerInvokerFactory}.
     *
     * <p>The default is permitted to change at any time. Users of this method may not depend on any
     * details {@link OnTimerInvokerFactory}-specific details of the invoker. Today it is {@link
     * ByteBuddyOnTimerInvokerFactory}.
     */
    public static <InputT, OutputT> OnTimerInvoker<InputT, OutputT> forTimer(
        DoFn<InputT, OutputT> fn, String timerId) {
      return ByteBuddyOnTimerInvokerFactory.only().forTimer(fn, timerId);
    }
  
    public static <InputT, OutputT> OnTimerInvoker<InputT, OutputT> forTimerFamily(
        DoFn<InputT, OutputT> fn, String timerFamilyId) {
      return ByteBuddyOnTimerInvokerFactory.only().forTimerFamily(fn, timerFamilyId);
    }
  }
  