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.camel.component.grpc.server;
  
  import java.util.Map;
  
  import io.grpc.stub.StreamObserver;
  import org.apache.camel.component.grpc.GrpcConstants;
  import org.apache.camel.component.grpc.GrpcConsumer;
  import org.apache.camel.component.grpc.GrpcEndpoint;
  
  public class GrpcRequestDelegationStreamObserver extends GrpcRequestAbstractStreamObserver {
  
      public GrpcRequestDelegationStreamObserver(GrpcEndpoint endpoint, GrpcConsumer consumer,
                                                 StreamObserver<Object> responseObserver, Map<String, Object> headers) {
          super(endpoint, consumer, responseObserver, headers);
          if (!endpoint.getConfiguration().isRouteControlledStreamObserver()) {
              throw new IllegalStateException(
                      "DELEGATION consumer strategy must be used with enabled routeControlledStreamObserver");
          }
      }
  
      @Override
      public void onNext(Object request) {
          var exchange = endpoint.createExchange();
          exchange.getIn().setBody(request);
          exchange.getIn().setHeaders(headers);
          exchange.setProperty(GrpcConstants.GRPC_RESPONSE_OBSERVER, responseObserver);
          consumer.process(exchange, doneSync -> {
          });
      }
  
      @Override
      public void onError(Throwable throwable) {
          var exchange = endpoint.createExchange();
          exchange.getIn().setHeaders(headers);
          exchange.setProperty(GrpcConstants.GRPC_RESPONSE_OBSERVER, responseObserver);
          consumer.onError(exchange, throwable);
      }
  
      @Override
      public void onCompleted() {
          var exchange = endpoint.createExchange();
          exchange.getIn().setHeaders(headers);
          exchange.setProperty(GrpcConstants.GRPC_RESPONSE_OBSERVER, responseObserver);
          consumer.onCompleted(exchange);
      }
  }
  