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.dataflow.worker.streaming.config;
  
  import java.util.function.Consumer;
  import javax.annotation.Nonnull;
  import javax.annotation.concurrent.ThreadSafe;
  import org.apache.beam.sdk.annotations.Internal;
  
  @Internal
  @ThreadSafe
  /*
   *  StreamingGlobalConfigHandle returning a fixed config
   *  initialized during construction. Used for Appliance and Tests.
   */
  public class FixedGlobalConfigHandle implements StreamingGlobalConfigHandle {
  
    private final StreamingGlobalConfig config;
  
    public FixedGlobalConfigHandle(StreamingGlobalConfig config) {
      this.config = config;
    }
  
    @Override
    public StreamingGlobalConfig getConfig() {
      return config;
    }
  
    @Override
    public void registerConfigObserver(@Nonnull Consumer<StreamingGlobalConfig> callback) {
      callback.accept(config);
    }
  }
  