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.runners.fnexecution.control;
  
  /**
   * A handler for the runner when a finalization request has been received.
   *
   * <p>The runner is responsible for finalizing the bundle when all output from the bundle has been
   * durably persisted.
   *
   * <p>See <a href="https://s.apache.org/beam-finalizing-bundles">finalizing bundles</a> for further
   * details.
   */
  public interface BundleFinalizationHandler {
    /**
     * This callback is invoked whenever an inflight bundle that is being processed requests
     * finalization.
     *
     * <p>The runner is responsible for invoking bundle finalization when the output of the bundle has
     * been durably persisted.
     */
    void requestsFinalization(String bundleId);
  }
  